Refereed Journal Papers

Tensegrity

1. L. Feo, F. Fraternali, R.E. Skelton, Special issue on composite lattices and multiscale innovative materials and structures, Composites Part B: Engineering

2. G. Carpentieri, R.E. Skelton, On the minimal mass design of composite membranes, Composites Part B: Engineering

3. M.C. Cimmino, R. Miranda, E. Sicignano, A.J.M. Fereira, R.E. Skelton, F. Fraternali, Composite solar facades and wind generators with tensegrity architecture, Composites Part B: Engineering

4. R.E. Skelton, R. Montuori, V. Pecoraro, Globally stable minimal mass compressive tensegrity structures, Composite Structures, Volume 141, 1 May 2016, pp. 346-354

5. G. Carpentieri, F. Fraternali, R.E. Skelton, A Tensegrity Paradigm for Minimal Mass Design of Roofs and Bridges, Innovative Numerical Approaches for Multi-Field and Multi-Scale Problems, Volume 81 of the series Lecture Notes in Applied and Computational Mechanics, pp. 91-114

6. G. Carpentieri, R.E. Skelton, F. Fraternali, A minimal mass deployable structure for solar energy harvesting on water canals. Structural and Multidisciplinary Optimization, pp. 1-10, 2016.

7. F. Fraternali, G. Carpentieri, M. Modano, F. Fabbrocino, R.E. Skelton, A tensegrity approach to the optimal reinforcement of masonry domes and vaults through fiber-reinforced composite materials, Composite Structures Volume 134, 15 December 2015, pp. 247-254

8. Carpentieri, G., Skelton, R., Fraternali, F. “Minimum Mass and Optimal Complexity of Planar Tensegrity Bridges”, International Journal of Space Structures, 30 (3-4), pp. 221-243, 2015.

9. A Amendola, E Hernandez-Nava, R Goodall, I Todd, RE Skelton, F Fraternali “On the additive manufacturing, post-tensioning and testing of bi-material tensegrity structures” Composite Structures, vol 131, pp. 66-71, 2015.

10. Fraternali, F., E De Chiara, RE Skelton “On the use of tensegrity structures for kinetic solar facades of smart buildings”, Smart Materials and Structures, Vol. 24(10), 2015.

11. Cheong, J., and Skelton, R. “Nonminimal Dynamics of General Class k Tensegrity Systems” Int. Journal of Structural Stability and Dynamics, vol 15, No.2 (2015) 1450042, World Scientific Publishing Co.

12. Amendola, G. Carpentieri, M. de Oliveira, R.E. Skelton, F. Fraternali, Experimental investigation of the softening-stiffening response of tensegrity prisms under compressive loading, Composite Structures, Volume 117, pp. 234-243, 2014.

13. Skelton, R. Fraternali, F, Carpentieri, G., Micheletti, A. “Minimum mass design of tensegrity bridges with parametric architecture and multiscale complexity” Mechanics Research Communications, 59C (2014) 14-25.

14. Fraternali, F., Carpentieri, G., Amendola, A., Skelton, R., Nesterrnko, V. "Multiscale Tunability of Solitary Wave Dynamics in Tensegrity Metamaterials Applied Physics Letters 105, 201903 (2014) AIP Publishing.

15. Nagase, K. and Skelton R. “Network and Vector Forms of Tensegrity System Dynamics”, Mechanics Research Communications, 59C (2014) 14-25.

16. Nagase, K. and Skelton, R. “Double Helix Tensegrity Structures”, AIAA Journal 2014.

17. Cheong, J., Skelton, R., and Cho, Y. “A Numerical Algorithm for Tensegrity Dynamics with Non-minimal Coordinates”, Mechanics Research Communications 58 (2014) 46-52.

18. Nagase, K. and Skelton, R. “Minimal Mass Tensegrity Structures”, Journal of the International Association for Shell and Spatial Structures, vol 55 No. 1, March n. 179, 2014.

19. R.E. Skelton, F. Fraternali, G. Carpentieri, A. Micheletti, “Minimum mass design of tensegrity bridges with parametric architecture and multiscale complexity”, Mechanics Research Communications, Volume 58, June 2014, Pages 124-132, ISSN 0093-6413, http:dx.doi.org10.1016j.mechrescom.2013.10.017.

20. Skelton, R., de Oliveira, M., “Optimal Tensegrity Structures in Bending: The Discrete Michell Truss”, Journal of the Franklin Institute, Vol 347, No 1, pp 257-283, Feb 2010.

21. Skelton, R., de Oliveira, M., “Optimal Complexity of Deployable Compressive Structures”, Journal of the Franklin Institute, Vol 347, No 1, pp 228-256, Feb 2010.

22. Wroldsen, A., de Oliveira, M., Skelton, R., “Modeling and Control of Non-minimal Nonlinear Realizations of Tensegrity systems”, International Journal of Control, vol 82, No 3, pp 389-407, 2009.

23. Vera, C., Skelton, R., Bossens, F., Sung, A., “3D Nanomechanics of an Erythrocyte Juntional Complex in Equibiaxial and Anisotropic Deformations”, Annals of Biomedical Eng, Vol 33, No. 10, pp 1387-1404, 2005.

24. de Oliveira, M., Vera, C., Valdez,P., Sharma, Y., Skelton, R., Sung, A., “Network Nano mechanics of the Erythrocyte Membrane Skeleton in Equibiaxial Deformation”, Biophysical Journal, 2009.

25. de Jager, B., Skelton, R., “Stiffness of Planar Tensegrity Truss Topologies”, International Journal of Solids and Structures, Vol 43 pp 1308-1330, 2006.

26. Masic, M. and Skelton, R. E., “Selection of prestress for optimal dynamic/control performance of tensegrity structures”, International Journal Of Solids And Structures, 43:2110-2125, 2006.

27. Masic, M., Skelton, R., Gill, P., Optimization of Tensegrity structures", Vol 43, pp 4687-4703, 2006.

28. Masic, M., Skelton, R., Gill, P., “Algebraic Tensegrity Form-finding”, International Journal of Solids and Structures, vol 43, No 16, pp 4687-4703, Aug 2006.

29. de Jager, B. and Skelton, R. E., “Input-output selection for planar tensegrity models”, IEEE Transactions On Control Systems Technology, 13:778-785, 2005.

30. Masic, M. and Skelton, R. E., “Path planning and open-loop shape control of modular tensegrity structures”, Journal Of Guidance Control And Dynamics, 28:421-430, 2005.

31. de Jager, B., Skelton, R., “Symbolic Stiffness Optimization of Planar Tensegrity Structures”, J. Intelligent Material systems and Structures, Vol 15, pp 181-193, March 2004.

32. Williamson, D., Skelton, R., Han, J., “Equilibrium Conditions of a Tensegrity Structure”, International Journal of Solids and Structures, vol 40 pp 6347-6367, 2003.

33. Williamson, D. and Skelton, R. E. “General class of tensegrity structures: Topology and prestress equilibrium analysis”, Journal of Guidance Control and Dynamics, 26(5):685-694, 2003.

34. Corless, M., Skelton, R., Sultan, C., “Symmetrical Reconfiguration of Tensegrity Structures”, International Journal of Solids and Structures, 39 (2002) 2215-2234.

35. Corless, M., Skelton, R., Sultan, C., “Linear Dynamics of Tensegrity Structures”, Engineering Structures, 24 (2002) 671-685.

36. Skelton, R., Helton, W., Ahdikari, R., Pinaud, J.P., Chan, W. “An Introduction to the Mechanics of Tensegrity Structures”, CRC Publishers, 2001.

37. Skelton, R., Pinaud, J.P., Mingori, D.L., “Dynamics of the shell class of tensegrity structures”, Journal of the Franklin Institute, 338(2-3):255-320, 2001

38. Corless, M., Skelton, R., Sultan, C., “The Prestressability Problem of Tensegrity Structures: Some Analytical Solutions”, Internal Journal of Solids and Structures, 38 (2001) 5223-5252.

LMI

1. Skelton, R. “LMI Techniques in Optimal Control”, Encyclopedia of Systems and Control, edited by John Baillieu and Tariq Samad, Springer, 2015.

2. Faming, L., de Oliveira, M., Skelton, R., “Integrating Information Architecture and Control or Estimation Design”, SICE Journal of Control, Measurement, and System Integration, Vol 1, No.2, pp 120-128, March, 2008.

3. Camino, J., Helton, W., Skelton, R., “Solving Matrix Inequalities Whose Unknowns are Matrices”, SIAM J. Optimization, Vol 17 No 1, pp1-36, 2006.

4. Camino, J., Helton, W., Skelton, R., Ye, J., “Matrix Inequalities: A Symbolic Procedure to Determine Convexity automatically”, Integral Equations and Operator Theory, Vol 46, pp 399-454, 2003.

5. Geromel, J., de Souza, C., Skelton, R., “Static Output Feedback Controllers: Stability & Convexity”, IEEE Transactions of Automatic Control, Vol. 43,

6. Grigoriadis, K.M., R.E. Skelton, “Alternating convex projection methods for discrete-time covariance control design”, Journal of Optimization Theory and Applications, vol.88, no.2, pp.399-432, Feb. 1996.

7. Iwasaki, T., R. E. Skelton, “All Fixed-Order H? Controllers: Observer-Based Structure and Covariance Bounds”, IEEE Transactions on Automatic Control, Vol. 40, No. 3, IETAA9, pp. 512-516, Mar. 1995.

8. Iwasaki, T., R. E. Skelton, “A Unified Approach to Fixed-Order Controller Design via Linear Matrix Inequalities”, Mathematical Problems in Engineering, Vol. 1, No. 1, pp. 59-75, 1995.

9. Iwasaki, T., R. E. Skelton, “The XY-centring Algorithm for the Dual LMI Problem: A New Approach to Fixed-order Control Design”, Int'l. Journal of Control, Vol. 62, No. 6, pp. 1257-1272, 1995.

10. Iwasaki, T., R. E. Skelton, “Parametrization of All Stabilizing Controllers via Quadratic Lyapunov Functions”, Journal on Optimization Theory and Applications, Vol. 85, No. 2, May 1995.

11. Grigoriadis, K. M., R. E. Skelton, “Alternating Convex Projection Methods for Covariance Control Design”, International Journal of Control, Vol. 60, No. 6, pp. 1083-1106, 1994.

12. Iwasaki, T., R. E. Skelton, J. C. Geromel, “Linear Quadratic Suboptimal Control with Static Output Feedback”, Systems and Control Letters, Vol. 23, pp. 421-430, 1994.

13. Skelton, R. E., J. H. Xu, K. Yasuda, “Minimal Energy Covariance Control”, International Journal of Control, Vol. 59, No. 6, pp. 1567-1578, July 1994.

14. Stoustrup, J., R. Skelton, T. Iwasaki, “The H? Control Problem Using Static Output Feedback”, Int'l. Journal of Robust and Nonlinear Control, Special Issue on H? Vol. 4, No. 4, pp. 449-456, July 1994.

15. Iwasaki, T., R.E. Skelton, “All Controllers for the General H? Control Problem: LMI Existence Conditions and State Space Formulas”, Automatica, Vol. 30, No. 8, Aug. 1994.

16. Yaz, E., R.E. Skelton, “Parametrization of All Linear Compensators for Discrete-Time Stochastic Parameter Systems”, Automatica, Vol. 30, No. 6, pp. 945-955, June 1994.

17. Yasuda, K., R.E. Skelton, K.M. Grigoriadis, “Covariance Controllers: A New Parametrization of the Class of All Stabilizing Controllers”, Automatica, Vol. 29, No. 3, pp. 785-788, 1993.

18. Iwasaki, T., R.E. Skelton, “n the Observer-based Structure of Covariance Controllers”, Systems and Control Letters, Vol. 22, pp. 17-25, 1994.

19. Skelton, R.E., T. Iwasaki, “Liapunov and Covariance Controllers”, International Journal Control, Vol. 57, No. 3, pp. 519-536, 1993.

20. Skelton, R.E., “The Routh Test and Covariance Control”, C-TAT, Vol. 9, No. 3, pp. 691-720, 1993.

21. Xu, J., R. Skelton, “An Improved Covariance Assignment Theory for Discrete Systems”, IEEE Transactions on Automatic Control, Vol. 37, No. 10, pp. 1588-1591, 1992.

22. Skelton, R., J. Xu, K. Yasuda, “On the Freedom in Covariance Control”, Int'l. Journal Control, 1991.

23. Yasuda, K., R. Skelton, “Assigning Controllability and Observability Gramians in Feedback Control”, Journal Guidance Control Dynamics, Vol. 14, No. 5, pp. 878-885, Sept.-Oct. 1991.

24. Xu, J., R. Skelton, “Output Feedback Controllers of Suboptimality Degree ?”, IEEE Transactions on Automatic Control, Vol. 35, No. 12, Dec. 1990.

25. Xu, J., R.E, Skelton, G. Zhu, “Upper and Lower Covariance Bounds for Perturbed Linear Systems”, IEEE Transactions on Automatic Control, Vol. 35, No. 8, Aug. 1990, pp. 944-948.

26. Damra, F.M., R.E. Skelton, J. Xu, “Optimal Covariance Control”, Optimal Control Application and Methods, 1990.

27. Hsieh, C., R.E. Skelton, “All Covariance Controllers for Linear Discrete Time Systems”, IEEE Transactions on Automatic Control, Vol. 35, No. 8, Aug. 1990.

28. Hsieh, C., R. Skelton, F. Damra, “Minimum Energy Controllers with Inequality Constraints on Output Variances”, Optimal Control Application and Methods, Vol. 10, No. 4, pp. 347-366, 1989.

29. Skelton, R.E., M. Ikeda, “Covariance Controllers for Linear Continuous-Time Systems”, International Journal Control, Vol. 49, No. 5, pp. 1773-1785, 1989.

30. Hotz, A., R.E. Skelton, “Covariance Control Theory”, Int'l. J. Control, Vol. 46, No. 1, pp. 13-32, 1987.

31. Collins, E.G., R.E. Skelton, “A Theory of State Covariance Assignment for Discrete Systems”, IEEE Transactions on Automatic Control, Vol. AC-32, No. 1, Jan. 1987.

Optimal Control

1. Han, J., de Oliveira, M., Skelton, R., “Linearization Algorithm for a Reduced Order H-infinity Control Design of an Active Suspension System”, European Journal of Control Vol 12 pp. 205-219, 2006.

2. Skelton, R., “Structural Systems: A Marriage of Structural Engineering and System Science”, Journal of Structural Control, Vol 9 pp 113-133, 2002.

3. Lu, J., Skelton, R., “Mean-square Small Gain Theorem for Stochastic Control”, IEEE Transactions on Automatic Control, Vol. 47, No 3, March 2002.

4. Zhu, C., Corless, M., Skelton, R., “Some Robustness Properties of linear Systems”, to appear????? Mathematical Problems in Engineering Systems, 2001.

5. Lu, J., Skelton, R., “Integrating Closed-Loop Identification and Control Using Control Energy Sensitivity”, International Journal of Control, 2001, Vol. 74, No. 14, 1412-1424.

6. Shi, G., Skelton, R., “Markov Data-Based LQG Control”, Journal of Dynamic Systems, Measurement & Control, September 2000, vol 122, pp551-559.

7. Lu, J., Skelton, R.E., “Integrating Structure and Control Design to Achieve Mixed H?/H Performance”, International Journal of Control, 2000 Vol. 73, pp. 1449-1462.

8. Lu, J, Skelton, R., “Robust Variance Control for Systems with Finite-to-Noise Uncertainty”, Automatica, No. 36, pp. 511-525, 2000.

9. Skelton, E., Lu, J., “Integrating Instrumentation and Control Design”, International Journal of Control, 1999, vol. 72, No. 9, pp. 799-814.

10. Shi, G., Skelton, R., Zhu, G., “Closed-Loop Identification and MPC_Control Design for a Virtual Diesel Engine”, ASME Journal of Dynamic Systems, Measurement & Control, March 1999.

11. Lu, J., Skelton, R.E., “Covariance Control Using Closed-Loop Modelling for Structures”, Earthquake Engineering and Structural Dynamics, Vol. 27, pp. 1367-1383, (1998).

12. Skelton, R.E., Hiramoto, H.D, “Active Control of Cantilevered Pipes Conveying Fluid with Constraints on Input Energy”, Journal of Fluids and Structures, (1998) Vol. 12, pp. 615-628.

13. Shi, G., Skelton, R., “Infinite Horizon Constrained Model Predictive Control for Stable ARX Models”, to appear, Automatica.

14. Housner, G.W., Bergman, L.A., Caughey, T.K., Chassiakos, A.G, Claus,R.O., Masri, S.F., Skelton, R.E., Soong, T.T., Spencer, B.F., & Yao, J.T.P., “Structural Control: Past Present and Future”, Journal of Engineering Mechanics, Vol. 123, No.9.

15. Lu, J., Skelton, R., “Covariance Control Using Closed-Loop Modeling for Structures”, Earthquake Engineering and Struc. Dynamics, November 1997, Vol. 26.

16. Lu, J., R.E. Skelton, “Optimal Hybrid Control for Structures”, Computer-Aided Civil and Infrastructure Engineering 13, 1998, pp405-414.

17. Lu, J., Skelton, R., “Iterative Identification and Control Design Using Finite-Signal-to-Noise Models”, Mathematical Modelling of Systems 1997, Vol 3. No 1, pp. 102-135.

18. Lu, J., Skelton, R., “Mean-Square Small Gain Theorem for Stochastic Control: Discrete-Time Case”, IEEE, June 1997.

19. Grigoriadis, K.M., R.E. Skelton, “Minimum-energy covariance Controllers”, Automatica, vol. 33, no.4, pp.569-78, April 1997.

20. Skelton, R.E., J. Lu, “Iterative identification and control design using finite-signal-to-noise models”, Mathematical Modelling of Systems, vol.3, no.1, pp.102-35, Jan. 1997

21. Zhu, G., M.A. Rotea, R. Skelton “A convergent algorithm for the output covariance constraint control problem”, SIAM Journal on Control and Optimization, vol. 35, no.1, pp.341-61, Jan. 1997.

22. Grigoriadis, K.M., G. Zhu, R.E. Skelton, “Optimal redesign of linear Systems”, Journal of Dynamic Systems, Measurement and Control, vol.118, no.3, pp.598-605, Sept. 1996.

23. Grigoriadis, K.M., R.E. Skelton, “Low-order control design for LMI problems using alternating projection methods”, Automatica, vol.32, no.8, pp.1117-25, Aug. 1996.

24. Skelton, R.E., G. Shi, “Iterative identification and control using a weighted q-Markov COVER with measurement noise”, Signal Processing, vol.52, no.2, pp.217-34, July 1996.

25. Iwasaki, T. Skelton, R., Corless, M., “A Recursive Construction Algorithm for Covariance Control”, IEEE Transaction on Automatic Control, March 1996.

26. Zhu, G. G., R. E. Skelton, “L2 to L? Gains for Sampled-data Systems”, Int'l. Journal of Control, Vol. 61, No. 1, pp. 19-32, 1995.

27. Zhu, G., K.M. Grigoriadis, R. E. Skelton, “Covariance Control Design for the Hubble Space Telescope”, AIAA Journal of Guidance, Control, & Dynamics, Vol. 18, No. 2, pp. 230-236, May 1995.

28. Zhu, G., R. E. Skelton, “Integrated Modeling and Control for the Large Spacecraft Control Laboratory Experiment Facility”, J. of Guidance Control and Dynamics, Vol. 17, No. 3, pp. 442-450, May-June 1994.

29. Zhu, G., R.E. Skelton, “MIMO L2/L? Constraints in Large Flexible Structure Control – An Experiment on the JPL LSCL Facility”, Journal of Society of Instrument and Control Engineers, Vol. 32, No. 4, pp. 284-289, 1993.

30. Liu, Ketao, Robert E. Skelton, “Integrated Modeling and Controller Design with Application to Flexible Structure Control”, Automatica, Vol. 29, No. 5, pp. 1291-1314, 1993.

31. Zhu, G., R. Skelton, “A Two-Riccati, Feasible Algorithm for Guaranteeing Output L? Constraints”, Journal of Dynamic Systems, Measurement and Control, Vol. 114, No. 3, pp. 329-338, 1992.

32. Zhu, G., R. Skelton, “Robust Properties of Periodic Discrete and Multirate Systems”, IEEE Transactions on Automatic Control, Vol. 37, No. 3, pp. 610-615, 1992.

33. Liu, K., R. Skelton, K. Grigoriadis, “Optimal Controllers for Finite Wordlength Implementation”, IEEE Transactions on Automatic Control, Vol. 37, No. 9, pp. 1294-1304, 1992.

34. Zhu, G., R. Skelton, “Robust Discrete Controllers Guaranteeing l2 and l? Performances”, IEEE Transactions on Automatic Control, Vol. 37, No. 10, pp. 1620-1625, 1992.

35. Skelton, R. E., G. Zhu, “Optimal L? Bounds for Disturbance Robustness”, IEEE Transactions on Automatic Control, Vol. 37, No. 10, pp. 1568-1572, 1992.

36. Skelton, R., B. Hanks, M. Smith, “Structure Redesign for Improved Dynamic Response”, Journal Guidance Control Dynamics, Vol. 15, No. 5, pp. 1272-1278, 1992.

37. Smith, M., K. Grigoriadis, R. Skelton, “Optimal Mix of Passive and Active Control in Structures”, Journal of Guidance, Control and Dynamics, Vol. 15, No. 4, pp. 912-919, July-Aug. 1992.

38. Hsieh, C., J. Kim, K. Liu, G. Zhu, R. Skelton, “Control of Large Flexible Structures – An Experiment on the NASA Mini-Mast Facility”, IEEE Control Magazine, Vol. 8, pp. 13-21, Oct. 1991.

39. Zhu, G., R. E. Skelton, “Mixed L2 and L2 Problems by Weight Selection in Quadratic Optimal Control”, International Journal Control, Vol. 63, No. 5, pp. 1161-1176, 1991.

40. Okada, K., R.E. Skelton, “Sensitivity Controller for Uncertain Systems”, AIAA J. Guidance, Control and Dynamics, Vol. 13, No. 2, Mar. 1990.

41. Norris, G., R.E. Skelton, “Selection of Dynamic Sensors and Actuators in the Control of Linear Systems”, ASME Journal Dynamic Systems, Meas. & Control, Vol. 111, pp. 389-397, Sept. 1989.

42. Skelton, R.E., Norris, G., “Selection of Sensors and Actuators in the Presence of Correlated Noise”, Control Theory and Advanced Technology, Vol. 4, No. 1, pp. 53-71, 1988.

43. Skelton, R.E., M.L. DeLorenzo, “Space Structure Control Design by Variance Assignment”, Journal Guidance Control Dynamics, July 1985.

44. Skelton, R.E., D.A. Wagie, “Minimal Root Sensitivity in Linear Systems”, Journal of Guidance, Control and Dynamics, Vol. 7, No. 5, Sept. 1984.

45. Skelton, R.E., Di Chiu, “Optimal Selection of Inputs and Outputs in Linear Stochastic Systems”, Journal Astronautical Sciences, Vol. 31, No. 3, pp. 399-414, July 1983.

46. Skelton, R.E., M.L. DeLorenzo, “Selection of Noisy Actuators and Sensors in Linear Stochastic Systems”, Large Scale Systems, Vol. 4, pp. 109-136, 1983.

47. Yedavalli, R.K., R.E. Skelton, “Controller Design for Parameter Sensitivity Reduction in Linear Regulators”, Optimal Control Applications and Methods, Vol. 3, pp. 22l-240, 1982.

48. Skelton, R.E., “Adaptive Orthogonal Filters for Compensation of Model Errors in Matrix-Second-Order Systems”, Journal of Guidance and Control, Vol. 4, No. 2, pp. 214-221, Mar. 1981.

49. Skelton, R.E., “Application of Disturbance Accommodating Control in the Model Error Problem”, Journal of Interdisciplinary Modeling and Simulation, Vol. 3, No. 1, pp. 47-62, 1980.

50. Skelton, R.E., P.W. Likins, “Orthogonal Filters for Model Error Compensation in the Control of Nonrigid Spacecraft”, AIAA Journal of Guidance & Control, Vol. 1, No. 1, Jan.-Feb. 1978, pp. 41-49. (Selected by USSR for translation in the USSR Journal PAKETHA TEXH KA KOCHMOHABT KA, Mar. 1978.)

51. Skelton, R.E., “An Algorithm for an Approximation of the Minimal Controller Problem”, Journal of Guidance and Control, Vol. 1, No. 1, pp. 90-93, Jan.-Feb. 1978.

52. Johnson, C.D., R.E. Skelton, “Optimal Desaturation of Momentum Exchange Control Systems”, AIAA Journal, Vol. 9, No. 1, pp. 12-22, January 1971.

Model Reduction/Identification

1. Skelton, R. E., T. Iwasaki, “Increased Roles of Linear Algebra in Control Education”, IEEE Control Systems Magazine, Vol. 15, No. 4, pp. 76-90, Aug. 1995.

2. Zhu, G., R. E. Skelton, Pingkang Li, “Q-Markov Cover Identification Using Pseudo-Random Binary Signals”, International Journal of Control, Vol. 62, No. 6, pp. 1273-1290, 1995.

3. Grigoriadis, K. M., A. E. Frazho, R. E. Skelton, “Application for Computation of Positive Toeplitz Matrices”, IEEE Transactions on Signal Processing, Vol. 42, July 1994.

4. Liu, K., R.E. Skelton, J.P. Sharkey, “Modeling Hubble Space Telescope Flight Data by Q-Markov Cover Ident.”, J. of Guidance, Control & Dynamics, Vol. 17, No. 2, pp. 250-256, Mar.-Apr. 1994.

5. Liu, K., R. E. Skelton, “Q-Markov Covariance Equivalent Realization and its Application to Flexible Structure Ident.”, Journal of Guidance, Control, & Dynamics, Vol. 16, No. 2, Mar.-Apr. 1993.

6. Liu, K., R. Skelton, “The Q-Markov Cover and its Application to Flexible Structure Identification”, Journal Guidance Control Dynamics, Vol. 57, No. 2, 1992.

7. Williamson, D., R.E. Skelton, G. Zhu, Moment Matching Model Reduction for Multirate Linear Systems", International Journal Control, Vol. 52, No. 6, pp. 1279-1294, 1990.

8. Skelton, R.E., B.D.O. Anderson, “Weighted Q-Markov Covariance Equivalent Realization”, International Journal Control, 1989.

9. Skelton, R.E., Dong Da, “Component Model Reduction in Canonical Correlation Coordinates”, Computational Mechanics, 1989.

10. Williamson, D., R.E. Skelton, “Optimal Q-Markov Cover for Finite Wordlength Implementation”, Math. Systems Theory, Vol. 22, No. 4, pp. 255-273, 1989.

11. Skelton, R.E., B.D.O. Anderson, “Weighted Q-Markov Covers”, Int'l. Journal Control, 1989.

12. Skelton, R.E., “Model Error Concepts in Control Design”, International Journal Control, Vol. 49, No. 5, pp. 1725-1753, 1989.

13. Hu, A., R.E. Skelton, “Convergence Properties of Modal Costs for Certain Distributed Parameter Systems”, Journal Vibration, Acoustics, Stress & Reliability in Design (ASME), Vol. 111, pp. 272-277, July 1989.

14. de Villemagne, C., R.E. Skelton, “Controller Reduction Using Canonical Interactions”, IEEE Transactions on Automatic Control, Vol. 33, No. 8, 1988.

15. King, A.M., U.B. Desai, R.E. Skelton, “A Generalized Approach to Covariance Equivalent Realizations for Discrete Systems”, Automatica, Vol. 24, No. 4, pp. 507-515, July 1988.

16. Anderson, B.D.O., R.E. Skelton, “The Generation of All Q-Markov COVERS”, IEEE Circuits and Systems, Vol. 35, No. 4, pp. 375-384, Apr. 1988.

17. Desai, U.B., R.E. Skelton, “Partially Nested Q-Markov Covariance Equivalent Realizations”, Control Theory and Advanced Technology, Vol. 3, No. 4, pp. 323-342, Dec. 1987.

18. de Villemagne, C., R.E. Skelton, “Model Reductions Using a Projection Formulation”, International Journal Control, Vol. 46, No. 6, 2141-2169, 1987.

19. Collins, E.G., R.E. Skelton, “A set of Q-Markov Covariance Equivalent Models of Discrete Systems”, International Journal Control, Vol. 46, No. 1, pp. 1-12, 1987.

20. Hu, Anren, R.E. Skelton, T.Y. Yang, “Modeling and Control of Beam-like Structures”, Journal Sound and Vibration, Vol. 117, No. 3, pp. 475-496, 1987.

21. Wagie, D.A., R.E. Skelton, “A Projection Approach to Covariance Equivalent Realizations of Discrete Systems”, IEEE Trans. on Automatic Control, Vol. AC-31, No. 12, pp. 1114-1120, Dec. 1986.

22. Skelton, R.E., B.D.O. Anderson, “Q-Markov Covariance Equivalent Realizations”, International Journal of Control, Vol. 44, No. 5, pp. 1477-1490, 1986.

23. Skelton, R.E., P. Kabamba, “Balanced Gain and their Significance in L2Model Reduction”, IEEE Transactions on Automatic Control, Vol. AC-31, No. 8, pp. 796-797, Aug. 1986.

24. Yousuff, A., R.E. Skelton, “An Optimal Controller Reduction by Covariance Equivalent Realizations”, IEEE Transactions on Automatic Control, Vol. AC-31, No. 1, pp. 56-60, Jan. 1986.

25. Wagie, D.A., R.E. Skelton, “Model Reduction and Controller Synthesis in the Presence of Parameter Uncertainty”, Automatica, Vol. 2, No. 3, pp. 295-308, 1986.

26. Berry, D.T., T.Y. Yang, R.E. Skelton, “Dynamics and Control of Lattice Beams Using Complex and Simplified Finite Element Models”, Journal Guidance Control Dynamics, Vol. 8, No. 5, pp. 612-619, Sept. 1985.

27. Yousuff, A., D.A. Wagie, R.E. Skelton, “Linear System Approximation via Covariance Equivalent Realizations”, Journal Mathematical Analysis & Applications, Vol. 106, No. 1, pp. 91-115, Feb. 1985.

28. Skelton, R.E., A. Hu, “Modeling Structures for Control Design”, Computers and Structures, Vol. 20, No. 1-3, pp. 303-309, 1985.

29. Frazho, A.E., R.E. Skelton, D.A. Wagie, “Compliments to Cost-Equivalent Realizations”, International Journal of Control, Vol. 40, No. 5, pp. 1045-1048, 1984.

30. Yousuff, A., R.E. Skelton, “A Note on Balanced Controller Reduction”, IEEE Transactions on Automatic Control, Vol. AC-29, No. 3, Mar. 1984.

31. Davis, J., R.E. Skelton, “Another Balanced Controller Reduction Algorithm”, System and Control Letters, Vol. 4, pp. 79-83, 1984.

32. Yousuff, A., R.E. Skelton, “Controller Reduction by Component Cost Analysis”, IEEE Transactions on Automatic Control, Vol. AC-29, No. 3, 1984.

33. Yedavalli, R.K., R.E. Skelton, “Determination of Critical Parameters in Large Flexible Space Structures with Uncertain Modal Data”, Journal Dynamics Systems, Measurement, and Control, Vol. 105, pp. 238-244, Dec. 1983.

34. Skelton, R.E., J. Davis, “Comments on Realization and reduction of Markovian Models from Nonstationary Data”, IEEE Transactions on Automatic Control, Vol. AC-28, No. 4, Apr. 1983.

35. Skelton, R.E., “Comments on Order Reduction of Linear State Space Models via Optimal Approximation of the Non-Dominant Modes”, Large Scale Systems, Vol. 5, pp. 263-264, 1983.

36. Skelton, R.E., A. Yousuff, “Component Cost Analysis of Large Scale Systems”, Int'l. Journal of Control, Vol. 37, No. 2, pp. 285-304, 1983.

37. Skelton, R.E., P.C. Hughes, H.B. Hablani, “Order Reduction for Models of Space Structures Using Modal Cost Analysis”, Journal of Guidance and Control, Vol. 5, No. 4, pp. 351-357, July-Aug. 1982.

38. Hughes, P.C., R.E. Skelton, “Modal Truncation for Flexible Spacecraft”, Journal of Guidance and Control, Vol. 4, No. 3, pp. 291-297, May-June 1981.

39. Skelton, R.E., P.C. Hughes, “Modal Cost Analysis for Linear-Matrix-Second-Order Systems”, Journal of Dynamic Systems, Vol. 102, pp. 151-158, Sept. 1980.

40. Hughes, P.C., R.E. Skelton, “Controllability and Observability for Flexible Spacecraft”, Journal of Guidance and Control, Vol. 3, No. 5, pp. 452-460, Sept. 1980.

41. Hughes, P.C., R.E. Skelton, “Controllability and Observability for Linear-Matrix-Second-Order Systems”, Journal of Applied Mechanics, Vol. 47, No. 2, pp. 415-421, June 1980.

42. Skelton, R.E., “Cost Decomposition of Linear Systems, with Application to Model Reduction”, International Journal of Control, Vol. 32, No. 6, pp. 1031-1055, 1980.

43. Skelton, R.E., “Observability Measures and Performance Sensitivity in the Model Reduction Problem”, International Journal of Control, Vol. 29, No. 4, pp. 541-556, 1979.

44. Skelton, R.E., “On Cost-Sensitivity Controller Design Methods for Uncertain Dynamic Systems” (Invited paper), Journal Astronautic Sciences, Vol. XXVII, No. 2, pp. 181-205, Apr-June 1979.

International Conferences

1. Shape Control of Tensegrity Airfoils, J.V. Skelton, R.E. Skelton, J. Valasek, AIAA Guidance, Navigation, and Control Conference San Diego, CA

2. Rohmer, J., Peraza Hernandez, E.A., Skelton, R., Hartl, D., Lagoudas, D., “An experimental and numerical study of the shape memory alloy-based tensegrity/origami structures”, ASME 2015 IMECE, Nov., 2015.

3. Henrickson, James V., John Valasek, and Robert E. Skelton. “Shape Control of Tensegrity Structures.” AIAA SPACE 2015 Conference and Exposition. 2015.

4. F. Fraternali, G. Carpentieri, A. Amendola, R.E. Skelton, V.F. Nesterenko, Prestress tuning of the nonlinear dynamics of tensegrity metamaterials, COMPDYN 2015, 5th ECCOMAS Thematic Conference on Computational Methods in Structural Dynamics and Earthquake Engineering, Crete Island, Greece, 25-27 May 2015.

5. G. Carpentieri, R.E. Skelton, F. Fraternali, Optimal design and dynamics of tensegrity bridges, COMPDYN 2015, 5th ECCOMAS Thematic Conference on Computational Methods in Structural Dynamics and Earthquake Engineering, Crete Island, Greece, 25-27 May 2015.

6. A Luo, RE Skelton, H Liu, R Liu, H Guo, L Wang, “Structure of the ball tensegrity robot”, IEEE International Conference on Robotics and Biomimetics (ROBIO), 2014.

7. F. Fraternali, G. Carpentieri, A. Amendola, V.F. Nesterenko, R.E. Skelton, Propagation of Solitary Waves on Acoustic Metamaterials, 13th International Symposium on Multiscale, Multifunctional and Functionally Graded Materials (MM&FGM), Sao Paulo, Brazil, October 19-22, 2014 (CD-ROM Proceedings).

8. G. Carpentieri, F. Fraternali, C. Daraio, R.E. Skelton, On the non linear dynamics of tensegrity structures, Workshop “Multiscale Modeling and Characterization of Innovative Materials and Structures”, Cetara (SA), Italy, May 1-5, 2013 (CD-ROM Proceedings).

9. Skelton, R.E., Carpentieri, G., Fraternali, F. Energy harvesting tensegrity bridges (Ponti tensegrity per la cattura di energia solare), Atti del XXV CONGRESSO C.T.A. - XXV Italian Steel Days (Salerno, 1-3 Ottobre 2015), Vol. 1: Tensegrity and Stability (Tensegrity e Stabilita), 125-135, ISBN: 978-88-940089-4-4.

10. G. Carpentieri, M. Modano, F. Fabbrocino, R.E. Skelton, F. Fraternali, Optimal design and dynamics of tensegrity bridges, COMPDYN 2015, 5th ECCOMAS Thematic Conference on Computational Methods in Structural Dynamics and Earthquake Engineering, Crete Island, Greece, 25-27 May 2015.

11. F. Fraternali, G. Carpentieri, R.E. Skelton, A. Micheletti, Architetture tensegrity parametriche per ponti di massa minima, (In italian), XXIV C.T.A. Congress “The Italians steel days”, September 30th, 2013, October 2nd, 2013, Turin (Italy). Volume: 2, Pages: 890-897. ISBN: 978-88-905870-0-9.

12. Han, J., and Skelton, R.E., “An LMI Optimization Approach to the Design of Structured Linear Controllers Using a Linearization Algorithm”, IMECE ’03 2003 ASME International Mechanical Engineering Congress and R & D Expo, Washington, D.C., November 15-21, 2003.

13. Conditions for Tensegrity Structures", AIAAASMEASCEAHSASC 40th Structures, Structural Dynamics and Materials Conference 12-15 April 1999, St. Louis, USA.

14. Williamson, A. and Skelton, R., “A General Class of Tensegrity Systems: Equilibrium Analysis”, Engineering Mechanics for the 21st Century, ASCE Conference, La Jolla, California, May 17-20, 1998.

15. Williamson, A. and Skelton, R., “A General Class of Tensegrity Systems: Geometric Definition”, Engineering Mechanics for the 21st Century, ASCE Conference, La Jolla, California, May 17-20, 1998.

16. Adhikari, R., and Skelton, R., “An Introduction to Smart Tensegrity Structures”, Engineering Mechanics for the 21st Century, ASCE Conference, La Jolla, California, May 17-20, 1998.

17. Skelton, R., Adhikari, R., Helton, W., Pinaud, J/P., and Chan, W.A.,“An Introduction to the Mechanics of Tensegrity systems”, UCSD Structural Systems and Control La, Report 98-1, June 1998.

18. Skelton, R., “An Introduction to Controllable Tensegrity Structures”, 12th ASCE Engineering Mechanics Conf., La Jolla, CA, May 17-20, 1998.

19. Sultan, C., Corless, M. and Skelton, R. E., “Nonlinear Robust Tracking Control of a Tensegrity Motion Simulator”, Proc. of SPIE 12th Intl. Conference on Sensing, Simulation and Control, AeroSense 98, 13-17 April 1998, Orlando, USA.

20. Sultan, C. and Skelton, R. E., “Tendon Control Deployment of Tensegrity Structures”, Proc. of SPIE 5th Intl. Symposium on Smart Structures and Materials 1-5 March 1998, San Diego, USA.

21. Sultan, C. and Skelton, R. E., “Force and Torque Smart Tensegrity Sensor”, Proc. of SPIE 5th Intl. Symposium on Smart Structures and Materials 1-5 March 1998, San Diego, USA.

22. Sultan, C., Skelton, R. E., “Peak to Peak Control of an Adaptive Tensegrity Space Telescope”, presented at SPIE 6th Intl. Symp. on Smart Structures & Materials 1-5 March 1998, Newport Beach.

23. Murakami, H., Y. Nishimura, T.J. Impelluso, and R.E. Skelton, “A Virtual reality-based CAD system for tensegrity structures,’” Proc. of the 12th ASCE Engineering Mechanics Conference, in press, 1998.

24. Sultan, C. and Skelton, R., “Linear Parametric Models for 2-Stage Tensegrity Modules.”

25. Sultan, C. and Skelton, R., “Nonlinear Dynamics for 2-Stage Tensegrity Modules.”

26. Sultan, C., Skelton, R., “Static Analysis and Dynamics for 2-Stage Tensegrity Modules.”

27. Sultan, C. and Skelton, R., “Tendon Control Deployment of Tensegrity Structures Using Equilibrium Surfaces”, Mathematics and Control of Smart Structures, Editors: V.V. Varadan and J. Chandra, Proc. SPIE 5th Symposium on Smart Structures and Materials, 1998.

28. Sultan, C. and Skelton, R., “Force and Torque Smart Tensegrity Sensor”, Mathematics and Control of Smart Structures, Editors: V.V. Varadan and J. Chandra, Proc. SPIE 5th Symposium on Smart Structures and Materials, 1998.

29. Cornel Sultan and Robert E. Skelton, “Integrated Design of Controllable Tensegrity Structures”, Proc. of ASME Intl. Congress and Exposition 20-26 Nov. 1997, Dallas, USA.

30. Sultan, C. and Skelton, R., “Controllable Tensegrity: A New Class of Smart Structures”, Mathematics and Control of Smart Structures, Editors: V.V. Varadan and J. Chandra, Proc. SPIE 4th Symposium on Smart Structures and Materials, 3039, pp. 166-177, 1997.

31. Sultan, C. and Skelton, R., “Integrated Design of Controllable Tensegrity Structures”, Proc. ASME, International Congress and Exposition, Chicago, 54, pp. 27-37, 1997.

32. Skelton, R.E. and C. Sultan, “Controllable tensegrity: a new class of smart structures”, Smart Structures & Materials 1997: Mathematics & Control in Smart Structures, San Diego, CA, USA, 3-6 March 1997.

33. Skelton, R.E. and Jianbo Lu, “Performance-oriented optimization of structures with mixed passive and active control”, Mathematics and Control in Smart Structures, San Diego, CA, USA, 3-6 March 1997.

34. Robert E. Skelton and Cornel Sultan, “Controllable Tensegrity, a New Class of Smart Structures” Proc. of SPIE 4th Symposium on Smart Structures and Materials 2-6 March 1997, San Diego, USA

35. Skelton, R.E. and M. He, “Smart tensegrity structure for NESTOR”, SPIE 4th Annual Symposium on Smart Structures and Materials, San Diego, CA, March 97.

36. Grigorindis, K.M., J. Lu, and R.E. Skelton, “ L2 and L2-L? model reduction via linear matrix inequalities”, 35th IEEE Conference on Decision and Control, Kobe, Japan, 11-13 Dec. 1996.

37. Lu, Jianbo and Skelton, R.E., and U.H. Thygesen, “Robust control with variance finite-signal-to-noise models”, 35th IEEE Conference on Decision and Control, Kobe, Japan, 11-13 Dec. 1996.

38. Shi, G. and R.E. Skelton, “An algorithm for integrated structure and control design with variance bounds”, 35th IEEE Conference on Decision and Control, Kobe, Japan, 11-13 Dec. 1996.

39. Shi, Guojun, R.E. Skelton, and K.M. Grigoriadis, “An algorithm to integrate passive and active control”, IEEE Joint Conference on Control Applications Intelligent Control and Computer Aided Control System Design, Dearborn, MI, USA, 15-18 Sept. 1996

40. Skelton, R. E. and J. Lu. “Mixed PassiveActive Control with H2H? Performance in Structural Systems”, 3rd Int'l. Conf. on Motion & Vibration Control, Chiba JAPAN, Sept. 1-6, 1996.

41. Harmand, J., R. E. Skelton and J. P. Steyer, “Disturbance Accommodation Control of a Nitrification Process with Structural Uncertainties”, CESA’96 IMACS Multiconf., Lille FRANCE, July 9-12, 1996.

42. Skelton, R.E., J. Lu, “Weighted closed-loop identification and control of civil structures”, Industrial & Commercial Applications of Smart Structures Technologies, San Diego, CA, USA, 27-29 Feb. 1996.

43. Thygesen, U. and R. E. Skelton, “Linear Systems with Finite Signal-to-Noise Ratios: A Robustness Approach”, Proc. of the 34th Conf. on Decision and Control, New Orleans LA, Dec. 13-15, 20, 1995.

44. Shi, G. and R. Skelton, “State Feedback Covariance Control for Linear Finite Signal-To-Noise Ratio Models”, Proceedings of the 34th Conf. on Decision and Control, New Orleans LA, Dec. 13-15, 1995.

45. Skelton, R. E., G. Shi and G. Zhu, “On the Identifiability of Structural Systems”, Proceedings of The American Society of Engineers Conference, Boston MA, Sept. 17-21, 1995.

46. Skelton, R. E. and G. Shi, “Finite Signal-to-Noise Models: Covariance Control by State Feedback”, Proceedings of the Third European Control Conference, Rome, Italy, Sept. 5-8, 1995.

47. Skelton, R. E., “Some Open Problems in Structural Control”, Proceedings of the 1995 Automatic Controls Conference, Seattle WA, June 20-23, 1995.

48. Skelton, R. E., “Integrated Structure and Controller Design”, Proceedings of the 1995 Automatic Controls Conference, Seattle WA, June 20-23, 1995.

49. Zhu, G. and R. E. Skelton, “Peak Stress Control in the Presence of Uncertain Dynamic Loads”, 10th VPI&SU, Blacksburg VA, May 8-10, 1995.

50. Grigoriadis, K. M. and R. E. Skelton, “Fixed-Order Control Design for LMI Control Design Problem Using Alternating Projection Methods”, Proceedings of the 1994 Conference on Decision and Control, Lake Buena Vista, FL, Dec. 14-16, 1994.

51. Shi, G. and R. E. Skelton, “The Data-Based LQG Control Problem”, Proceedings of the 1994 Conference on Decision and Control, Lake Buena Vista, FL, Dec. 14-16, 1994.

52. Skelton, R. E., “Robust Control of Aerospace Systems”, International Federation on Automatic Control (IFAC), Rio de Janeiro, Brazil, Sept. 1994.

53. Zhu, G. G. and R. E. Skelton, “Output Covariance Constraint Problem with Disturbance Feedback”, First World Conference on Structural Control, Pasadena, CA, Aug. 1994.

54. Skelton, R. E., K. M. Grigoriadis and G. Zhu, “An Algorithm for Iterative Identification and Control Design Using an Improved Q-Markov Cover”, 10th IFAC Symposium on System Identification, Copenhagen, Denmark, July 1994.

55. Geromel, J., C.C. de Souza and R.E. Skelton, “LMI Numerical Solution for Output Feedback Stabilization”, Proceedings of the 1994 American Control Conference, Baltimore, MD, June 1994.

56. Grigoriadis, K. M. and R. E. Skelton, “Improved Q-Markov Cover Identification Using Alternating Projections” Proceedings of the 1994 American Control Conference, Baltimore MD, June 1994.

57. Skelton, R.E., “Increased Roles of Linear Algebra in Control Education”, Proceedings of the 1994 American Control Conference, Baltimore, MD, June 1994.

58. Zhu, G., K.M. Grigoriadis and R.E. Skelton, “Optimal Finite Wordlength Digital Control with Skewed Sampling”, Proceedings of the 1994 American Control Conference, Baltimore, MD, June 1994.

59. Iwasaki, T. and R.E. Skelton, “A Unified Approach to Fixed-Order Controller Design via Linear Matrix Inequalities”, Proceedings of the 1994 American Control Conference, Baltimore, MD, June 1994.

60. Zhu, G., R.E. Skelton and Pingkang Li, “Q-Markov Cover Identification Using Pseudo Random Binary Signals”, Proceedings of the 1994 American Control Conference, Baltimore, MD, June 1994.

61. Grigoriadis, K.M. and R.E. Skelton, “Integrated Design for Intelligent Structures”, Proceedings of the Second International Conference on Intelligent Materials Blacksburg, VA, June 1994.

62. Carpenter, M., R.E. Skelton, “Smart Dynamic System Design: An Integrated Approach”, Proceedings of the 1994 North American Conf. on Smart Structures & Materials, Orlando, FL, Feb. 1994.

63. Yaz, E., R.E. Skelton and K. Grigoriadis, “Robust Regional Pole Assignment with Output Feedback”, Proceedings of the 32nd IEEE CDC, San Antonio, TX, Dec. 1993.

64. Iwasaki, T. and R.E. Skelton, “On the Observer Based Structure of Covariance Controllers”, Proceedings of the 32nd IEEE CDC, San Antonio, TX, Dec. 1993.

65. Grigoriadis, K. and R.E. Skelton, “Minimum Energy Covariance Controllers”, Proceedings of the 32nd IEEE CDC, San Antonio, TX, Dec. 1993.

66. Grigoriadis, K., R.E. Skelton and A.E. Frazho, “Alternating Convex Projection Methods for Discrete-Time Covariance Control Design”, Proceedings of the 32nd IEEE CDC, San Antonio, TX, Dec. 1993.

67. Zhu, G. and R.E. Skelton, “L2to L? Gain for Sampled-Data Systems”, Proceedings of the 1993 Allerton Conference on Communication, Control and Computing, Urbana, IL, Sept. 1993.

68. Grigoriadis, K.M. and R.E. Skelton, “Low-Order Control Design for LMI Problems Using Alternating Projection Methods”, Proceedings of the 1993 Allerton Conference on Communication, Control and Computing, Urbana, IL, Sept.-Oct. 1993.

69. Williamson, D., R. Skelton, K. Grigoriadis, “Finite Wordlength Control of Sampled Data Systems by Covariance Assignment”, Proc. of the 1993 IFAC World Congress, Sydney, Australia, July 1993.

70. Stoustrup, J., R. Skelton and T. Iwasaki, “Mixed H2 / H? State Feedback Control with an Improved Covariance Bound”, Proceedings of the 1993 IFAC World Congress, Sydney, Australia, July 1993.

71. Yaz, E. and R.E. Skelton, “Parametrization of All Linear Compensators for Discrete-Time Stochastic Bilinear Systems”, Proceedings of the 1993 IFAC World Congress, Sydney, Australia, July 1993.

72. Yaz, E., K. Grigoriadis and R. Skelton, “Multiobjective Control Design Via Linear Matrix Equations”, Proceedings of the 1993 IFAC World Congress, Sydney, Australia, July 1993.

73. Zhu, G., M.A. Rotea and R.E. Skelton, “A Convergent Feasible Algorithm for the Output Covariance Constraint Problem”, Proceedings of the 1993 American Control Conference, San Francisco, California, June 1993.

74. Grigoriadis, K.M., M.J. Carpenter, G. Zhu and R.E. Skelton, “Optimal Redesign of Linear Systems”, Proceedings of the 1993 American Control Conference, San Francisco, California, June 1993. (Received the Best Paper Award.)

75. Iwasaki, T. and R.E. Skelton, “A Complete Solution to General H? Control Problem: LMI Existence Conditions and State Space Formulas”, Proceedings of the 1993 American Control Conference, San Francisco, California, June 1993.

76. Iwasaki, T. and R.E. Skelton, “All Low Order H? Controllers with Covariance Upper Bound”, Proceedings of the 1993 American Control Conference, San Francisco, California, June 1993. (Received Best Paper Award.)

77. Iwasaki, T., R.E. Skelton and M.J. Corless, “A Computational Algorithm for Covariance Control: Discrete-Time Case”, Proceedings of the 1993 American Control Conference, San Francisco, California, June 1993.

78. Zhu, Guoming, K. Grigoriadis and R.E. Skelton, “Covariance Control Design for the HST”, Proceedings of the 16th Annual AAS Guidance and Control Conference, Keystone, AZ, Feb. 1993.

79. Skelton, R., Yi-Bing Lee and G. Zhu, “Covariance Active/Passive Control”, Smart Structures and Materials, Tucson, AZ, Jan. 1993.

80. Yaz, E., G. Zhu and R. Skelton, “Observer Design for Discrete-Time Systems using Covariance Assignment”, 31st IEEE CDC, Tucson, AZ, Dec. 1992.

81. Yaz, E., K. Grigoriadis and R. Skelton, “Discrete-Time H2 - H0 Norm-Bounding Designs Pole Placement Control and Estimation”, Proceedings of the 31st IEEE CDC, Tucson, AZ, Dec. 1992.

82. Yaz, E., A. Azemi and R. Skelton, “Design of Covariance Controllers and Estimators with Prescribed Pole Locations”, Proceedings of the 31st IEEE CDC, Tucson, AZ, Dec. 1992.

83. Skelton, R., “The Routh Test & Covariance Control”, Proc. of the 31st IEEE CDC, Tucson, AZ, Dec. 1992.

84. Iwasaki, T. and R. Skelton, “A Computational Algorithm for Discrete System Covariance Control”, Proceedings of the 31st IEEE CDC, Tucson, AZ, Dec. 1992.

85. Zhu, G. and R. Skelton, “Covariance Control for Discrete Periodic Systems”, Proceedings of the 31st IEEE CDC, Tucson, AZ, Dec. 1992.

86. Zhu, G. and R. Skelton, “Block Diagonal Output Covariance Constraint Problem for Periodic and Multirate Systems”, Proceedings, 13th Allerton Conference on Communication, Control and Computing, Monticello, IL, Oct. 1992.

87. Iwasaki, T., R. Skelton, M. Corless, “A Computational Algorithm for Covariance Control: Continuous-time Case”, Proc., 13th Allerton Conf. on Communication, Control and Computing, Oct. 1992.

88. Grigoriadis, K. and R. Skelton, “Alternating Convex Projection Methods for Covariance Control Design”, Proceedings, 13th Allerton Conf. on Communication, Control and Computing, Oct. 1992.

89. Grigoriadis, K., E. Yaz and R. Skelton, “Robust Stabilization of Interval Plants by State Space Methods”, Proceedings, 13th Allerton Conf. on Communication, Control & Computing, Oct. 1992.

90. Xu, J.-H. and R. Skelton, “Covariance Control of the ASTREX Facility”, 1st IEEE Conference on Control Applications, Sept. 1992.

91. Skelton, R. and T. Iwasaki, “The Jury Test and Covariance Control”, Symposium on Fundamentals of Discrete Time Systems, Chicago, IL, June 1992.

92. Iwasaki, T., and R. Skelton, “Quadratic Optimization for Fixed Order Linear Controllers Via Covariance Control”, ACC, Chicago, IL, June 1992.

93. Skelton, R. and T. Iwasaki, “Lyapunov and Covariance Controllers”, ACC, Chicago, IL, June 1992.

94. Skelton, R., “Modeling Hubble Space Telescope Flight Data by Q-Markov Cover Identification”, ACC, Chicago, IL, June 1992.

95. Liu, K. and R. Skelton, “Deterministic Q-Markov Cover Identification and Its Error Analysis”, 10th International Modal Analysis Conference and Expo, San Diego, CA, Feb. 1992.

96. Liu, K. and R. Skelton, “Model Identification of Large Flexible Structures with Arbitrary Excitation Signals”, 10th International Modal Analysis Conference and Expo, San Diego, CA, Feb. 1992.

97. Zhu, G. and R. Skelton, “A Two-Riccati, Feasible Algorithm for Guaranteeing Output L? Constraints”, 30th IEEE Conference on Decision and Control, Brighton, U.K., Dec. 1991.

98. Xu, J. and R. Skelton, “Plant Covariance Equivalent Controller Reduction for Discrete Systems”, 30th IEEE Conference on Decision and Control, Brighton, U.K., Dec. 1991.

99. Yaz, E. and R. Skelton, “Continuous and Discrete State Estimation with Error Covariance Assignment”, 30th IEEE Conference on Decision and Control, Brighton, U.K., Dec. 1991.

100. Skelton, R. and J. Kim, “An Extension of The Optimal Mix of Passive and Active Control”, Symposium & Tutorial, Conf. on Active Materials & Adaptive Structures, Alexandria, VA, Nov. 1991.

101. Kim, J. and Skelton, R., “The Optimal Mix of Passive and Active Control and Actuator Selection”, Symposium & Tutorial, Conf. on Active Materials & Adaptive Structures, Alexandria, VA, Nov. 1991.

102. Yaz, E. and Skelton R., “On Covariance Assignment for Linear Discrete Time Systems”, 29th Annual Allerton Conf. on Communication, Control & Computing, Univ. of Illinois, Urbana, IL, Oct. 1991.

103. Skelton, R. and T. Iwasaki, “Lyapunov and Covariance Controllers”, Plenary Lecture, IFAC International Workshop on Robustness of Control Systems, Kappel, Switzerland, Sept. 1991.

104. Skelton, R., “Robustness from the Covariance Control”, Plenary Lecture, IFAC International Workshop on Robustness of Control Systems, Kappel, Switzerland, Sept. 1991.

105. Zhu, G. and R. Skelton, “Controller Design to Achieve Covariance Constraints”, First IFAC Symposium on Design Methods of Control Systems, Zurich, Switzerland, Sept. 1991.

106. Xu, J. and R. Skelton, “Plant Covariance Equivalent Controller Reduction”, AIAA Guidance, Navigation, and Control Conference, New Orleans, LA, Aug. 1991.

107. Skelton, R., J. Xu, “The Parameterization of All Output Estimators of Linear Systems Using Covariance Assignment”, AIAA Guidance, Navigation, & Control Conf., New Orleans, LA, Aug. 1991.

108. Byun, K., R. Skelton, and D. Cossey, “Covariance Control of ASTREX”, AIAA Guidance, Navigation, and Control Conference, New Orleans, LA, Aug. 1991.

109. Liu, K. and R. Skelton, “Identification and Control of NASA's ACES Structure”, ACC, Boston, MA, June 1991.

110. Zhu, G. and R. Skelton, “Robust Properties of Periodic Discrete and Multirate Systems”, ACC, Boston, MA, June 1991.

111. Zhu, G. and R. Skelton, “Extended Output L? Constraint Problem by Weight Selection in LQ Control”, ACC, Boston, MA, June 1991.

112. Skelton, R., S. Kherat and E. Yaz, “Covariance Control of Discrete Stochastic Bilinear Systems”, ACC, Boston, MA, June 1991.

113. Smith, M., K. Grigoriadis and R. Skelton, “”he Optimal Mix of Passive and Active Control", ACC, Boston, MA, June 1991.

114. Xu, J., R. Skelton, “Robust Covariance Control”, Workshop on Robust Control, Tokyo, June 1991.

115. Skelton, R., “Optimal Finite Precision and Quantization Effects in Control Design”, International Symposium on the Mathematical Theory of Networks & Systems (MTNS 91), Kobe, Japan, June 1991.

116. Liu, K. and R. Skelton, “Optimal Controllers for Finite Wordlength Implementation”, Int'l. Symposium on the Mathematical Theory of Networks & Systems (MTNS 91), Kobe, Japan, June 1991.

117. Grigoriadis, K., K. Liu and R. Skelton, “Optimizing Linear Controllers for Finite Precision Synthesis Using Additive Quantization Models”, Int'l. Symposium on the Mathematical Theory of Networks & Systems (MTNS 91), Kobe, Japan, June 1991.

118. Liu, K. and R. Skelton, “Identification and Control of NASA's ACES Structures”, NASA's Control Structures Interaction, Guest Investigator Program, June 1991.

119. Liu, K., J. Sharkey and R. Skelton, “Q-Markov Cover Identification with Frequency Partition for Modal Analysis of Hubble Telescope Flight Data”, IFAC Workshop in Dynamics & Control of Flexible Structures, Huntsville, AL, Apr. 1991.

120. Liu, K., R. Skelton, M. Dendy, V. Jones, A. Patterson, “Experimental Verification of an Integrated Modeling & Control Strategy for Flexible Structures”, NASA's CSI/GIP, Apr. 1991.

121. R.E. Skelton, “Closed-Form Solutions for the Design of Optimal Dynamic Structures Using Linear Quadratic Regulator Theory”, AIAAASMEASCEAHSASC, 32nd Structural Dynamics & Materials Conf., Baltimore, MD, Apr. 1991.

122. Skelton, R.E., “Synthesis Viewpoint of Robustness Problems”, IEEE CDC, Honolulu, HI, Dec. 1990.

123. Liu, Ketao and Robert Skelton, “Q-Markov Covers for Closed-Loop Identification of a Plant”, IEEE CDC, Honolulu, HI, Dec. 1990.

124. Yasuda, K., S. Kherat, R.E. Skelton and E. Yaz, “Covariance Control and Robustness of Bilinear Systems”, IEEE CDC, Honolulu, HI, Dec. 1990.

125. Yasuda, K. and R.E. Skelton, “Closed Form Solutions to Lyapunov Equations and Application to Covariance Control”, SIAM, Nov. 1990.

126. Skelton, R.E., J. Ramakrishnan, K.W. Byun and Lt. D.F. Cossey, “ASTREX Controller Design: OVC & OCC Approach”, AFOSR/CSI, Nov. 1990.

127. Hu, A., R.E. Skelton, Capt. G.A. Norris and Lt. D.F. Cossey, “Selection of Sensors and Actuators with Applications to the ASTREX Facility”, AFOSR/CSI, Nov. 1990.

128. Skelton, R.E., “A Deterministic Theory of Optimal Estimation and Control”, IFAC Congress, Tallinn, USSR, July 1990.

129. Skelton, R.E. and Brantley R. Hanks, “Structure Redesign for Improved Dynamic Response”, ACC, San Diego, CA, May 1990.

130. Corless, M., G. Zhu and R. Skelton, “Improved Robustness Bounds Using Covariance Matrices”, IEEE CDC, Tampa, FL, Dec. 1989.

131. Skelton, R. and D. Williamson, “Controllers for Minimizing Sample Time Uncertainty in Digital LQG Regulation”, IEEE CDC, Tampa, FL, Dec. 1989.

132. Corless, M., G. Zhu and R. Skelton, “New Robustness Properties of Linear Systems”, IEEE CDC, Tampa, FL, Dec. 1989.

133. Skelton, R., “The Explicit Relation Between Component Cost Analysis and Balanced Coordinates”, IEEE CDC, Tampa, FL, Dec. 1989.

134. Skelton, R.E., “The Explicit Relation Between Component Cost Analysis and Balanced Coordinates”, IEEE CDC, Tampa, FL, Dec. 1989.

135. Skelton, R.E., “Covariance Control of Flexible Structures”, IEEE CDC, Tampa, FL, Dec. 1989.

136. Corless, M., G. Zhu and R. Skelton, “Robustness of Covariance Controllers”, 27th Annual Allerton Conference on Communication, Control, and Computing, Monticello, IL, Sept. 1989.

137. Williamson, D., R. Skelton, G. Zhu, “Moment Matching Model Reduction for Multirate Linear Systems”, 27th Annual Allerton Conf. on Comm., Control, & Computing, Monticello, IL, Sept. 1989.

138. Skelton, R., D. Dong, “The Use of Canonical Correlation Analysis in Component Model Reduction”, ASME, 12th Biennial Conference on Mechanical Vibration and Noise, Montreal, Canada, Sept. 1989.

139. Skelton, R.E. and Dong Da, “Component Model Reduction in Canonical Correlation Coordinates”, 21st Biennial ASME Conference on Mechanical Vibration & Noise, Montreal, Canada, Sept. 1989.

140. Skelton, R.E. and G. Zhu, “Examples of Robust Covariance Control”, IEEE International Conference on Systems Engineering, Dayton, OH, Aug. 1989.

141. Zhu, G. and R.E. Skelton, “Extension of Output Variance Constraints to Hard Constraints”, 3rd Annual Workshop on Aerospace Computational Control, Oxnard, CA, Aug. 1989.

142. Hsieh, C. and R.E. Skelton, “Covariance Controllers for Linear Discrete Time Systems”, ACC, Pittsburgh, PA, June 1989.

143. Skelton, R.E. and Dong Da, “Model Reduction in the N-Body Problem”, 2nd Workshop on Control Mechanics, Los Angeles, CA, Feb. 1989.

144. Skelton, R.E., “Selection of Sensors, Actuators for Flexible Structures”, Aktive Schwingungsdampfung, Mathematisches Forschungsinstitut, Oberwolfach, Germany, 1988.

145. Skelton, R.E., “Experiments in Dynamics and Controls”, NASA in Space Experiments Workshop, Atlanta, GA, Dec. 1988.

146. Skelton, R.E., “Covariance Controllers for Dynamic Systems”, IEEE CDC, Austin, TX, Dec.1988.

147. Skelton, R.E., “Component Model Reduction for N-Body Problems”, 109th ASME Winter Annual Meeting, Chicago, IL, Nov. 1988.

148. Yedavalli, R.K. and R.E. Skelton, “Robust Covariance Control for Linear Uncertain Systems”, 109th ASME Winter Annual Meeting, Chicago, IL, Nov. 1988.

149. Skelton, R.E. and C. Hsieh, “Covariance Controllers for Dynamic Systems”, AIAA Guidance and Control Conference, Minneapolis, MN, Aug. 1988.

150. Skelton, R.E., R. Singh, and J. Ramakrishnan, “Component Model Reduction by Component Cost Analysis”, AIAA Guidance and Control Conference, Minneapolis, MN, Aug. 1988.

151. Norris, G.A. and R.E. Skelton, “Placing Dynamic Sensors and Actuators on Flexible Space Structures”, International Union of Theoretical and Applied Mechanics Symposium on Dynamics of Controlled Mechanical Systems, Zurich, Switzerland, June 1988.

152. Williamson, D. and R.E. Skelton, “Optimal Q-Markov COVER for Finite Precision Implementation”, ACC, Atlanta, GA, 1988.

153. King, A.M., R.E. Skelton and U.B. Desai, “Approximation of State-Affine=20Discrete-Time Systems Using Q-Volterra Covariance Equivalent Realizations”, ACC, Atlanta, GA, 1988.

154. de Villemagne, C. and R.E. Skelton, “Controller Reduction Using Canonical Interactions”, IEEE CDC, Los Angeles, CA, pp. 107-111, 1987.

155. de Villemagne, C. and R.E. Skelton, “Model Reduction Using a Projection Formulation”, IEEE CDC, Los Angeles, CA, pp. 461-466, 1987.

156. Collins, E.G., R.E. Skelton and T.L. Morin, “Efficiency and Optimality in Constrained Variance Control”, IEEE CDC, Los Angeles, CA, pp. 792-794, 1987.

157. King, A.M., U.B. Desai, R.E. Skelton, “A Generalized Approach to Q-Markov Covariance Equivalent Realizations for Discrete Systems”, ACC, Minneapolis, MN, pp. 1521-1526, 1987.

158. Norris, G.A., R.E. Skelton, “Sensor and Actuator Selection for Optimal Closed Loop Performance in the Presence of Correlated Noise”, ACC, Minneapolis, MN, pp. 1337-1341, 1987.

159. Anderson, B.D.O., R.E. Skelton, “The Generation of All Q-Markov COVERS”, IFAC World Congress, Munich, Germany, Vol. 11, pp. 99-104, 1987.

160. Skelton, R.E., “Influence of Structural Modeling on Control Design”, 2nd NASADOD ControlStructure Interaction Technology Conference, Colorado Springs, CO, Nov. 17-19, 1987.

161. Skelton, R.E., “Influence of Structural Modeling on Control Design”, 2nd NASA/DOD CSI Technology Conference, Colorado Springs, CO, Nov. 17-19, 1987.

162. Skelton, R.E., “Model Reduction in Linear Systems”, SDIO/NASA Workshop on Multibody Simulation, Arcadia, CA, Sept. 1987.

163. Hu, A., R.E. Skelton, T.Y. Yang, “Modeling and Control of Beam-Like Structures”, 20th Midwestern Mechanics Conference, Purdue University, West Lafayette, IN, Sept. 1987.

164. Hu, A., R.E. Skelton, “Convergence Properties of Modal Costs for Certain Distributed Parameter Systems”, ASME 11th Biennial Conf. on Mechanical Vibration & Noise, Boston, MA, Sept. 1987.

165. Desai, U.B., R.E. Skelton, “Partially Nested Q-Markov Covariance Equivalent Realizations”, MTNS, Phoenix, AZ, June 1987.

166. Skelton, R.E., “Multiobjective Control and the Selection of Sensors/Actuators in Robotics”, IEEE International Symposium on Intelligent Control, Philadelphia, PA, Jan. 1987.

167. King, Andrew M., R.E. Skelton, “Model Reduction for Discrete Bilinear Systems”, NASA/JPL Telerobotics Workshop, Jan. 1987.

168. Skelton, R.E., E. Collins, G. Norris, “Sensor Actuator Locations for the Spacecraft Control Laboratory Experiment”, 3rd Annual Spacecraft Control Lab. Experiment Workshop, Hampton, VA, Nov. 1986.

169. Skelton, R.E., “A Set of Q-Markov Covariance Equivalent Models of Discrete Systems”, IMACS Symposium on Modeling and Simulation for Control of Lumped and Distributed Parameter Systems, Villeneuve D'Ascq Cedex, France, June 1986.

170. Hotz, A.F., R.E. Skelton, “Controller Design for Robust Stability and Performance”, ACC, Seattle, WA, pp. 1813-1817, 1986.

171. Collins, E.G., Jr., R.E. Skelton, “Constrained Variance Design Using State Covariance Assignment”, ACC, Seattle, WA, pp. 51-56, 1986.

172. Skelton, R.E., “Model Error Estimation and the Orthogonal Filter”, ACC, Seattle, WA, 1986.

173. Hotz, A., R.E. Skelton, “A Covariance Control Theory”, IEEE CDC, Fort Lauderdale, FL, Dec. 1985.

174. Collins, E.G., R.E. Skelton, “Covariance Control of Discrete Systems”, IEEE CDC, Fort Lauderdale, FL, Dec. 1985.

175. Skelton, R.E., “Covariance Control of Flexible Structures”, IEEE CDC, Fort Lauderdale, FL, Dec. 1985.

176. Skelton, R.E., “Covariance Approximation and Control”, Mathematical Theory of Networks and Systems, Stockholm, Sweden, June 10-15, 1985.

177. Hu, A., R.E. Skelton, T.Y. Yang, “On the Selection of Finite Element Models for Control Design”, ACC, Boston, MA, June 1985.

178. Skelton, R.E., “On the Structure of Modeling Errors and the Inseparability of the Modeling and Control Problems”, IFAC Workshop on Model Error Concepts and Compensation, Boston, MA, June 1985.

179. Wagie, D.A., R.E. Skelton, “Covariance Equivalent Realizations of Discrete Systems”, IEEE CDC, Las Vegas, NV, 1984.

180. Skelton, R.E., A. Hu, “Modeling Structures for Control Design”, Symposium on Advances and Trends in Structures and Dynamics, Arlington, VA, Oct. 22-25, 1984.

181. Skelton, R.E., A. Hu, “On the Selection of Finite Element Models for Control Design”, Guidance and Control Conference, Seattle, WA, Aug. 21, 1984.

182. Skelton, R.E., A. Hu, “Modeling and Control of Large Flexible Structures”, 1st European Workshop on Real Time Control of Large Scale Systems, Patras University, Greece, July 1984.

183. Yousuff, A., R.E. Skelton, “Controller Reduction by Covariance Equivalent Realizations”, ACC, San Diego, CA, June 1984.

184. Wagie, D.A., R.E. Skelton, “Model Reduction and Controller Synthesis in the Presence of Parameter Uncertainty”, ACC, San Diego, CA, June 1984.

185. DeLorenzo, M.L., R.E. Skelton, “SensorActuator Selection for the Constrained Variance Control Problem”, NASAJPL Workshop on Identification and Control of Flexible Space Structures, San Diego, CA, June 1984.

186. Skelton, R.E., “Model Error Structure and the Inseparability of the Modeling and Control Problem”, Plenary Address and Paper, NASA/JPL Workshop on Identification and Control of Large Space Structures, San Diego, June 1984, JPL Publication 85-29, Vol. III, Apr. 1985, pp. 414-421.

187. Skelton, R.E., “The Need for Super Computers Dedicated to Simulation and Control Design of Large Space Structures”, NSF Workshop, Study of Supercomputers in Mechanical Systems Research, Lawrence Livermore Lab, Livermore, CA, June 22, 1984.

188. Yang, R.E. Skelton, “Dynamics and Control of Lattice Beams Using Complex and Simplified Finite Element Models”, AIAA Dynamics Specialist Conference, Palm Springs, CA, May 1984.

189. Yousuff, A., D.A. Wagie, R.E. Skelton, “A Projection Approach for Model Reduction by Matching Output Covariances and Markov Parameters”, IEEE CDC, San Antonio, TX, Dec. 1983. Berry, D.T., T.Y.

190. Yousuff, A., R.E. Skelton, “A Projection Approach to Controller Reduction”, IEEE Control and Decisions Conference, San Antonio, TX, Dec. 1983.

191. Skelton, R.E., M.L. DeLorenzo, “Weight Selection for Variance Constrained LQG Regulators, with Application to the Hoop-Column Antenna”, AIAA/VPI 4th Symposium on Dynamics and Control of Large Structures, Blacksburg, VA, June 1983.

192. Hanks, B.R., R.E. Skelton, “Designing Structures for Reduced Response Using Modern Control Theory”, AIAAASMEASCE/AHS, 24th Structural Dynamics and Materials Conf., Stateline, NV, May 1983.

193. Skelton, R.E., Frazho, A.E., Wagie, D.A., “Generalization of Cost-Equivalent Realizations”, IEEE ISCAS, Newport Beach, CA, May 2-4, 1983.

194. Skelton, R.E., Wagie, D.A., “Minimal Root Sensitivity in Linear Systems”, IFAC Workshop on Applications of Nonlinear Programming and Optimal Control, San Francisco, CA, June 20-22, 1983.

195. Skelton, R.E., M.L. DeLorenzo, “On the Selection of Q and R in the LQG Problem”, Allerton Conference on Control and Computing, Monticello, IL, Oct. 1982.

196. Yousuff, A., R.E. Skelton, “Balanced Controller Reduction”, Allerton Conference on Control and Computing, Monticello, IL, Oct. 1982.

197. Skelton, R. E., A. Yousuff, “Computer-Aided Design of Sub optimal LQG Controllers”, Int'l. Fed. of Automatic Control Conf. on CAD, Purdue University, West Lafayette, IN, Sept. 1982.

198. Skelton, R.E., K.T. Alfriend, R.E. Lindberg and S. Fisher, “Component Cost Analysis for Maneuvering Satellites”, AIAA Paper 82-1464, AIAA/AAS Astrodynamics Conference, San Diego, CA, Aug. 1982.

199. Skelton, R.E., “Analysis of Structural Perturbations in Systems via Cost Decomposition Methods”, IFAC Workshop on Singular Perturbations and Robustness of Control Systems, Ohrid, Yugoslavia, July 13-16, 1982.

200. Skelton, R.E., “The Effects of Model Error in the Control of Flexible Structures”, NASA Workshop on Applications of Distributed Systems Theory to the Control of Large Space Structures, July 14-16, 1982.

201. Yousuff, A., Skelton, R.E., “A Solar Optical Telescope Controller Design by Component Cost Analysis”, 3rd IFAC Symposium on Control of Distributed Parameter Systems, Toulouse, France, June 29-July 2, 1982.

202. Skelton, R.E., “On the Selection of Optimal Bandwidths for LSS Controllers”, ACC, Arlington, VA, June 14-16, 1982.

203. Yousuff, A., Skelton, R.E., “Cost-Equivalent Realizations of Stochastic Processes”, ACC, Arlington, VA, June 14-16, 1982.

204. Skelton, R.E., “On the Selection of Controller Order for the Control of Linear Dynamic Systems”, 6th IFAC Symposium on Ident. & System Parameter Estimation, Washington, D.C., June 7-11, 1982.

205. Skelton, R.E., “Algorithm Development for the Control Design of Flexible Structures”, Air Force/NASA Workshop on Modeling, Analysis and Optimization Issues for Large Space Structures, Williamsburg, VA, May 13-14, 1982.

206. Skelton, R.E., “On the Selection of Controller Order for the Control of Linear Dynamic Systems”, IFAC Symposium, McMaster University, Hamilton, Canada, 1982.

207. Skelton, R.E., Di Chiu, “Measurement and Control Selection in Large Scale LQG Problems”, Symposium on Engineering Science and Mechanics, National Cheng Kung University/American Astronautical Society, Dec. 28-31, 1981.

208. Skelton, R.E., Di Chiu, “Selecting Measurements and Controls in LQG Problems”, IEEE CDC, San Diego, CA, Dec. 1981.

209. Skelton, R.E., “Linear Quadratic Gaussian Methods for the Control of Large Space Structures”, IEEE Electronics and Aerospace Systems Conference, Washington, D.C., Nov. 16-19, 1981.

210. Skelton, R.E., “Optimal Selection of Inputs and Outputs in Linear Stochastic Systems”, 15th Asilomar Conference on Circuits, Systems and Computers, Pacific Grove, CA, Nov. 9-11, 1981.

211. Skelton, R.E., “Cost-Equivalent Realizations of Linear Systems”, 10th Int'l. Fed. for Information Processing, Conf. on System Modeling and Optimization, New York, NY, Aug. 31-Sept. 4, 1981.

212. Alfriend, K.T., R.E. Skelton, A. Ziffer, “Model Order Reduction for Maneuvering Satellites”, 3rd VPI/AIAA Symp. on Dynamics & Control of Large Flexible Spacecraft, Blacksburg, VA, June 1981.

213. Skelton, R.E., “Component Cost Analysis of Linear Systems”, Proceedings, 1981 IEEE International Symposium on Circuits and Systems Chicago, IL, Apr. 27, 1981.

214. Skelton, R.E., “Stability vs. Performance of Large Scale Systems”, Control & Identification of Distributed Parameter Systems, Institute for Computer Application in Science and Engr., Hampton, VA, Apr. 6-9, 1981.

215. Hablani, H.B., R.E. Skelton, “Generic Model of a Large Space Structure for Control Concept Evaluation”, Proc., 19th AIAA Aerospace Sciences Meeting, St. Louis, MO, Jan. 12-15, 1981.

216. Skelton, R.E., “A Control Design Algorithm for Flexible Structures”, IEEE CDC, Albuquerque, NM, Dec. 1980.

217. Skelton, R.E., “Component Cost Analysis of Linear Systems with Application to Model Reduction”, IEEE CDC, Albuquerque, NM, Dec. 1980.

218. Skelton, R.E., R.K. Yedavalli, “Modal Cost Analysis of Flexible Space Structures with Uncertain Modal Data”, IEEE CDC, Albuquerque, NM, Dec. 1980.

219. Skelton, R.E., R.K. Yedavalli, “A Unified Approach to Parameter Sensitivity Reduction in Linear Regulators”, 14th Asilomar Conference, Pacific Grove, CA, Nov. 17-19, 1980.

220. Yedavalli, R.K., R.E. Skelton, “Controller Design for Parameter Sensitivity Reduction in Linear Regulators”, Allerton Conference on Computing & Control, Monticello, IL, Oct. 1980.

221. Skelton, R.E., “Partial Realizations of Linear Time-Varying Systems”, Allerton Conference on Computing and Control, Monticello, IL, Oct. 1980.

222. Skelton, R.E., “Dynamic Controller Design Using Modal Cost Analysis”, IEEE Control and Decision Conference, Fort Lauderdale, FL, Dec. 1979.

223. Skelton, R.E., “Large Space System Control Technology”, NASA LSST Symposium, NASA Langley Research Center, Nov. 1979.

224. Skelton, R.E., “Modal Cost Analysis in Model and Controller Reductions”, Proceedings, 17th Annual Allerton Conf. on Communication, Control & Computing, Monticello, IL, pp. 421-434, Oct. 1979.

225. Hughes, P.C., R.E. Skelton, “Modal Truncation for Flexible Spacecraft”, Proceedings, AIAA Guidance & Control Conference, Boulder, CO, pp. 1-8, July 1979.

226. Skelton, R.E., P.C. Hughes, “Control of Large Space Structures: Some problems and approaches”, Paper No. 0952, pp. 540-541, AIAA/NASA Conf. on Advanced Technology for Future Space Systems, Hampton, VA, May 1979.

227. Skelton, R.E., P.C. Hughes, “Control of Large Space Structures: Some Problems and Approaches”, AIAA/NASA Conf. on Advanced Tech. for Future Space Systems, Hampton, VA, May 8-11, 1979.

228. Skelton, R.E., “Adaptive Orthogonal Filters for Compensation of Truncated Modes and Other Modal Data Uncertainty in Spacecraft”, Paper No. 79-0197, AIAA 17th Aerospace Science Meeting, New Orleans, LA, Jan. 1979.

229. Hughes, P.C., R.E. Skelton, “Stability, Controllability, and Observability of Linear Matrix-Second-Order Systems”, Joint Automatic Control Conference, Denver, CO, 1979, pp. 56-62, 1979.

230. Skelton, R.E., C.Z. Gregory, “Measurement Feedback and Mode Reduction by Modal Cost Analysis”, 1979 Joint Automatic Control Conference, Denver, CO, pp. 211-218, 1979.

231. Skelton, R.E., P.C. Hughes, “Flexible Space Structure Model Reduction by Modal Cost Analysis”, Proc., Dynamics & Control of Large Flexible Spacecraft, 2nd VPI & AIAA Symp., pp. 641-661, 1979.

232. Hughes, P.C., R.E. Skelton, “Controllability and Observability for Flexible Spacecraft”, Proc., Dynamics & Control of Large Flexible Spacecraft 2nd VPI & AIAA Symposiums, pp. 385-409, 1979.

233. Skelton, R.E., “An Adaptive Version of the Continuous-Time Orthogonal Filter for Model Error Compensation”, Proc., 15th Meeting Society of Engr. Science, Gainesville, FL, Dec. 1978.

234. Skelton, R.E., “Cost-Sensitive Model Reduction for Control Design”, Paper No. 78-1282, pp. 288-296, AIAA Guidance & Control Conference, Palo Alto, CA, Aug. 1978.

235. Skelton, R.E., “Some Limitations of Model Reduction and Controller Design Methods for Large Uncertain Dynamical Systems”, Paper No. 78-103, American Astronautical Society Annual Rocky Mountain Guidance & Control Conf., Keystone, CO, Mar. 1978.

236. Skelton, R.E., “Model Truncation Using Controllability Observability Measures”, Proc. of the Int'l. Union of Theoretical & Applied Mechanics (IUTAM) Symposium on Dynamics of Multibody Systems, Munich, Aug. 1977, Springer-Verlag, pp. 331-345, 1978.

237. Skelton, R.E., P.W. Likins, “An Approach to Model Error Compensation in the Control of Nonrigid Spacecraft”, Proc. Int'l. Fed. of Automatic Control, Multivariable Technological Systems Symposium, Fredericton, N.B., Canada, July 1977.

238. Skelton, R.E., “On the Minimal Controller Problem”, Proc., AIAA, AAS Symposium on Dynamics & Control of Large Flexible Spacecraft, Blacksburg, VA, pp. 119-128, June 1977.

239. Skelton, R.E., P.W. Likins, “On the Use of Model Error Systems in the Control of Large Scale Linearized Systems”, Proc., In'l. Fed. of Automatic Control Symposium on Large Scale Systems, Theory & Applications, Udine, Italy, June 1976.

240. Skelton, R.E., “Disturbance Absorbing Controllers”, AAS Symposium on the Dynamics & Control of Nonrigid Spacecraft, UCLA, Aug. 1974.

241. Skelton, R.E., “A Control Policy for Systems with Momentum Exchange Controllers”, 22nd Int'l. Astronautical Federation Congress, Brussels, Belgium, 1971.

242. Johnson, C.D., R.E. Skelton, “Optimal Desaturation of Momentum Exchange Control Systems”, Proc. 11th Joint Automatic Control Conf., Atlanta, Georgia, Paper 26-D, pp. 683-694, June 1970.

Book Chapters

1. Skelton, R. E., Zhu, G.G., Grigoriadis, K.M., “Optimal Finite Wordlength Digital Control with Skewed Sampling”, Control and Dynamic Systems, Vol. 78, Academic Press, Inc., 1996.

2. Zhu, G.G., Skelton, R.E., “A Two-Riccati, Feasible Algorithm for Guaranteeing Output L? Constraints”, Control and Dynamic Systems, Vol. 74, Academic Press, Inc., 1996.

3. Skelton, R.E., Singh, R., Ramakrishan, J., “Component Model Reduction by Component Cost Analysis”, Mechanics & Control of Large Space Structures, AIAA Progress in Astronautics Series, New York, 1990.

4. Skelton, R.E., Kim, J., Dong Da, “Component Model Reduction in Canonical Correlation Coordinates”, Advances in Control & Dynamic Systems, Vol. 35, C.T. Leondes (editor), Academic Press, 1990.

5. Skelton, R.E., “Structural Modeling for Control”, chapter in Flight Vehicle Materials, Structures and Dynamics Technologies, A.K. Noor and S.L. Venneri (editors), 1990.

6. Skelton, R.E., “Model Reduction and Design of Low Order Controllers”, chapter in AIAA Progress in Aeronautics and Astronautics Series: Mechanics and Control of Large Space Structures, 1990.

7. Hu, A., Skelton, R.E., Yang, T.Y., “Modal Cost Analysis for Simple Continua”, Large Space Structures, Dynamics and Control, S.N. Atluri (editor), Springer-Verlag, 1988.

8. Skelton, R.E., Collins, E.G., “A Set of Q-Markov COVERs of Discrete Systems”, Applied Modelling and Simulation of Technological Systems, P. Borne, North Holland Publishing Co., 1987.

9. Hotz, A., Skelton, R.E., “A Covariance Control Theory”, Control and Dynamic Systems, Vol. 26, C.T. Leondes (editor), Academic Press, New York, 1987.

10. Skelton, R.E., “Covariance Approximation and Control”, Modelling, Identification and Robust Control, C.I. Byrnes and A. Lindquist (editors), North Holland, pp. 363-380, 1986.

11. Skelton, R.E., “On the Structure of Modeling Errors and the Inseparability of the Modeling and Control Problems”, Chapter 4 of Model Error Concepts and Compensation, Pergamon Press, pp. 13-21, 1986.

12. Skelton, R.E., Anderson, B.D.O., “Q-Markov Covariance Equivalent Realizations, Modelling and Application of Stochastic Processes”, U.B. Desai (editor), Kluwer Academic Publishers, 1986. Chapter 1 of Model Error Concepts and Compensation, R.E. Skelton, D.H. Owens, Pergamon Press, New York, 3 pages, 1986.

13. Yousuff, A., Skelton, R.E., “Covariance Equivalent Realizations with Application to Model Reduction of Large Scale Systems”, Control & Dynamic Systems, Vol. 22, C.T. Leondes (editor), Academic Press, New York, 1985, pp. 273-348, 1985.

14. Skelton, R.E., Yousuff, A., “Component Cost Analysis of Large Scale Dynamic Systems”, Advances in Control & Dynamic Systems, Chapter 1, Vol. XVIII, C.T. Leondes (editor), 1 Academic Press, New York, pp. 1-53, 1982.

15. Skelton, R.E., “Control Design for Flexible Spacecraft”, Chapter 2, Theory & Application of Optimal Control in Aerospace Systems, AGARDograph No. 251, AGARD, NATO, 7 rue Ancelle 92200, Neuilly Sur Seine, France, P. Kant (editor), pp. (8-1)-(8-28), 1981.

16. Skelton, R.E., Likins, P.W., “Techniques of Modeling and Model Error Compensation in Linear Regulator Problems”, Advances in Control & Dynamic Systems, Chapter 1, Vol XIV, C.T. Leondes (editor), Academic Press, pp. 1-101, 1978.

Monographs

1. Collins, E.G., Jr., Hotz, A.F., Skelton, R.E., “Nonlinear Dynamical Model for the NASA/SCOLE Configuration”, NASA Contract Report under Grant NAG-1-468, 1984.

2. Hotz, A.F., Collins, E., Skelton, R.E., “Linearized Dynamical Model for the NASA/IEEE SCOLE Configuration”, NASA Contractor Report 172394, Grant NAG1-468, Sept. 1984.

3. Skelton, R.E., Yousuff, A., M. Dornseif, M., “Case Studies of Model Reduction of Flexible Structures by Modal Cost Analysis”, Contract Report for Control Dynamics Co., Feb. 1983.

4. Likins, P.W., Skelton, R.E., “Dynamics and Control of Flexible Spacecraft”, text for short course, AIAA Professional Study Series, Vol. 1 (153 pages) June 1977, Vol. 2 (170 pages) June 1978.

5. Skelton, R.E., “Control by Model Error Estimation”, Contract Report UCLA-eng-6730, Mar. 1976. Marshall Space Flight Center under contract NASA 28358 (Ph.D. Dissertation, 221 pages).

6. Skelton, R.E., “Accommodating Model Error in Linear Systems Control”, Chapter 3 of A Study of Attitude Control Concepts for Precision-Point Nonrigid Spacecraft, NASA CR-2619, Oct. 1975 (edited by P.W. Likins), pp. 114-144.

7. Skelton, R.E., “Optimal Momentum Management in Momentum Exchange Control Systems for Orbiting Vehicles”, University of Alabama Huntsville, 1969, 80 pages (MS thesis).

Technical Reports in Un-refereed Publications

1. Adhikari, R., Skelton, R.E., and Helton, W., “Mechanics of Tensegrity Structures”, Report 1998-01, UCSD Structural Systems and Control Lab, Feb., 1998.

2. Skelton, R.E., “Evaluation of Sorel (Solar Orbiting Relativity Satellite) Control System”, Sperry Rand Corporation, Huntsville, AL, SP-250-800, Sept. 4, 1973.

3. Skelton, R.E., “Precise Pointing Control of Space Vehicles with Momentum Exchange Controllers”, Sperry Rand Corporation, Huntsville, AL, SP-250-754, Feb. 21, 1973.

4. Singh, R., and Skelton, R.E., “Large Scale Telescope Attitude Control Study Part I: Momentum Exchange Controller”, Sperry Rand Corporation, Huntsville, AL, SP-250-0746, Feb. 1, 1973.

5. Skelton, R.E., “Controllability of Momentum Exchange Controllers”, Sperry Rand Corporation, Huntsville, AL, SP-250-0720, Aug. 31, 1972.

6. Skelton, R.E., Templeton, J., and Bapna, B., “A Simulation Program for the Near-Optimal Control of Partially Controllable Linear Systems”, Vol. I, Vol. II, Vol. III, Sperry Rand Corporation, Huntsville, AL, SP-252-0718, Aug. 31, 1972.

7. Muench, D., and Skelton, R.E., “Spinning Attitude Control Simulation with Application to High Energy Astronomy Observatory”, Sperry Rand Corporation, Huntsville, AL, SP-252-0712, Aug. 25, 1972.

8. Willyard, C., and Skelton, R.E., “Space Shuttle Main Engine Mathematical Model and a Throttlable Rocket Engine Optimal Controller Design Philosophy”, Sperry Rand Corporation, Huntsville, AL, SP-250-0557, Oct. 28, 1971.

9. Hendley, A.C., and Skelton, R.E., “A Four CMG Optimal Controller for Space Station”, Sperry Rand Corporation, Huntsville, AL, SP-250-0547, Sept. 30, 1971.

10. Skelton, R.E., and Hendley, A.C., “A Three CMG Optimal Control Study for Space Station”, Sperry Rand Corporation, Huntsville, AL, SP-250-6200-0015, Aug. 31, 1971.

11. Skelton, R.E., “Linearized Mathematical Models of the Aerodynamic and Gravity Gradient Torques Acting on Orbiting Vehicles”, Sperry Rand Corporation, Huntsville, AL, SP-250-0534, Aug. 25, 1971.

12. Skelton, R.E., “A Line of Sight Roll Mode for the SKYLAB Experiment Pointing Control System”, Sperry Rand Corporation, Huntsville, AL, SP-225-0503, June 24, 1971.

13. Skelton, R.E., “On the Control of Spinning Vehicles with CMG's and the Estimation of Principal Axis Locations”, Sperry Rand Corporation, Huntsville, AL, SP-250-0603, Jan. 31, 1972.

14. Skelton, R.E., “Controllability of HEAO Scan Mode”, Sperry Rand Corporation, Huntsville, AL, SP-230-0512, Nov. 10, 1970.

15. Skelton, R.E., “A Method of Determining SKYLAB Vehicle Attitudes to Minimize Momentum Accumulation in the Presence of Uncertain Venting Disturbances”, Sperry Rand Corporation, Huntsville, AL, SP-230-0415, Oct. 5, 1970.

16. Skelton, R.E., “On the Optimal Control of Control Moment Gyro Systems”, Sperry Rand Corporation, Huntsville, AL, SP-230-0269, Sept. 8, 1970.

17. Skelton, R.E., “Optimal Momentum Management in Momentum Exchange Controls Systems for Orbiting Vehicles”, Sperry Rand Corporation, Huntsville, AL, SP-231-0176, Feb. 4, 1969.

18. Skelton, R.E., and Kimery, R., “An ATM Experiment Pointing Control System Design Without Rate Gyros”, Sperry Rand Corporation, Huntsville, AL, SP-213-0121, Sept. 9, 1968.

19. Skelton, R.E., “Rigid Two-Body Math Models for ATM,” Sperry Rand Corporation, Huntsville, AL, SP-522-0048, Apr. 26, 1968.

20. Skelton, R.E., “Experiment Pointing Control Studies for ATM”, Sperry Rand Corporation, Huntsville, AL, SP-522-0003, Oct. 20, 1967.

21. Skelton, R.E., “Control Concepts for Project THERMO”, Sperry Rand Corporation, Huntsville, AL, 517-66-13, Dec. 21, 1966.

22. Skelton, R.E., “Coordinate Transformations for an Attitude Motion Simulator,” Lockheed Missiles and Space Company, Huntsville, AL, LMSC A711010, TM-54/60-1, Aug. 20, 1965.

23. Skelton, R.E., “Gaseous Blowdown as an S-IVB Retro System”, Lockheed Missiles and Space Company, Huntsville, AL, LMSC A033117, TM-54/01-28, Oct. 28, 1963.

Invited Seminars, Colloquia

1. “Robust Control for Electro-Mechanical Systems”, April 24, 1996, University of Illinois, Champaign-Urbana, IL.

2. “Robust Control for Electro-Mechanical Systems”, April 4, 1996, Invited Lecture, University of California, San Diego, CA.

3. “Equivalent Models and Equivalent Control Problems”, Oct. 19, 1995, Invited Lecture, University of Notre Dame, Notre Dame IN.

4. “An Integrated Approach to Combine Plant and Controller Design”, Feb. 11, 1994, University of Michigan.

5. “Low-Order Control Design for LMI Problems Using Alternating Projection Methods”, Nov. 26, 1993, Universidade Estadual de Campinas, Brazil.

6. “Linear Controllers with Output Feedback (LMI Approaches)”, Nov. 23, 1993, Universidade Estadual de Campinas, Brazil.

7. “A Finite Step Algorithm for Covariance Control”, Eindhoven University, Netherlands.

8. “Covariance Control”, University Copenhagen, Denmark, 1992.

9. “Integrated Modeling and Control for Flexible Structures”, ME Department, Zurich, Switzerland, 1992.

10. “Covariance Control and the Routh Test”, EE Department, Zurich, Switzerland, 1992.

11. “Integrated Modeling and Control for Flexible Structures”, DLR, 1992, Oberpfaffenhofen, Germany.

12. “Covariance Control”, DLR, 1992, Oberpfaffenhofen, Germany.

13. “Lyapunov and Covariance Controllers”, Oct. 7-Nov. 1, 1991, Springer Professor Lectures, UC Berkeley.

14. “Multiobjective and Covariance Control”, Johns Hopkins University, Oct. 19, 1989.

15. “Covariance Controllers for Flexible Structures”, Ohio State University, May 5, 1989.

16. “Dynamics and Control of Flexible Structures”, University of California at Irvine, Jan. 30, 1989.

17. “Covariance Control of Flexible Structures”, UC Irvine, Irvine, CA, Jan. 30, 1989.

18. “Model Reductions Using a Projection Formulation”, Univ. of Michigan, Ann Arbor, Apr. 12, 1988.

19. “Dynamics and Control of Flexible Structures”, Arizona State University, Tempe, AZ, Nov. 3, 1987.

20. “A Generalized Approach to Q-Markov COVERS for Discrete Systems”, Australian National University, Canberra, Aug. 20, 1987.

21. “Linear Discrete-Time Systems: Realizations from Input-Output Data”, Australian National University, Canberra, Aug. 13, 1987.

22. “Controller Reduction Combining Canonical Correlation Analysis and Q-Markov COVERS”, Australian National University, Canberra, Aug. 11, 1987.

23. “Model Reductions by Projections: Preserving 4 Properties of a Higher Order System”, Australian National University, Canberra, Aug. 6, 1987.

24. “Control of Flexible Structures”, Georgia Institute of Technology, Atlanta, GA, Feb. 16, 1987.

25. “On the Control of Flexible Structures”, University of Illinois, Urbana, IL, Apr. 28, 1986.

26. “Model Reduction and the Q-Markov Cover Method”, Osaka University, Osaka, Japan, Mar. 28, 1986.

27. “Modeling and Control of Flexible Spacecraft”, Univ. of Osaka Prefecture, Japan, Mar. 24, 1986.

28. “Dynamics and Control of Flexible Structures”, National Aerospace Laboratory, Mar. 19, 1986.

29. “Covariance Control of Large Space Structures”, Nagoya University, Nagoya, Japan, Mar. 18, 1986.

30. “Sensor/Actuator Selection in Large Space Structures”, Kyoto University, Kyoto, Japan, Mar. 15, 1986.

31. “Multi-objective Control of Large Space Structures”, Kobe University, Koe, Japan, Mar. 13, 1986.

32. “An Introduction to Covariance Control Theory”, Univ. of Michigan, Ann Arbor, MI, Oct. 15, 1985.

33. “Model Reduction of Linear Systems”, University of Toledo, Toledo, Ohio, Oct. 14, 1985.

34. “Covariance Approximation and Control”, University of Illinois, EE Department, Oct. 7, 1985.

35. “Dynamics and Control of Flexible Structures”, University of Washington, Seattle, July 2, 1985.

36. “Recent Developments in Model Reduction”, Univ. of Strathclyde, Glasgow, Scotland, June 5, 1985.

37. “Introduction to Covariance Control”, The Australian National University, Canberra, May 7, 1985.

38. “On the Structure of Modeling Errors”, The Australian National University, Canberra, Mar. 26, 1985.

39. “Model Reduction to Preserve Covariances”, The Australian National Univ., Canberra, Mar. 18, 1985.

40. “Covariance Equivalent Realizations for Discrete-Time Systems”, The Australian National University, Canberra, Mar. 4, 1985.

41. “Covariance Equivalent Model Reduction”, Univ. of Newcastle, Newcastle, Australia, Feb. 14, 1985.

42. “A Perspective on Controller Reduction”, The Australian Nat'l. Univ., Canberra, Jan. 31, Feb. 7, 1985.

43. “Q-Cover Concepts in Control System Design”, Aerospace Corporation, Los Angeles, Jan. 9, 1985.

44. “Modeling and Control of Flexible Spacecraft”, NASA Langley Research Center, Nov. 30, 1984.

45. “Modeling and Control Strategies for Flexible Space Structures”, Massachusetts Institute of Technology, Department of Aerospace Engineering, Nov. 6, 1984.

46. “Dynamics and Control of Flexible Structures”, Stevens Institute of Tech., Hoboken, NJ, Nov. 5, 1984.

47. “Towards a Unification of the Modeling and Control Problems”, Lawrence Livermore Lab, University California, Sept. 28, 1984.

48. “Control of Flexible Vehicles”, Univ. of Stuttgart, MECHANIC SEMINAR, Stuttgart, Germany, June 1, 1982.

49. “Structural Perturbations of Dynamic Systems Via Cost-Decomposition Methods,” Illinois Institute of Technology, Chicago, IL, Feb. 4, 1982.

50. “Control Design of Flexible Spacecraft”, University of Michigan, Nov. 12, 1981.

51. “Component Cost Analysis of Linear Systems”, Michigan State University, Feb. 26, 1981.

52. “Model Reduction”, Stanford University, Department of Aeronautics and Astronautics, Nov. 12, 1980.

53. “Model and Controller Reduction in Large Scale Systems Using Component Cost Analysis”, Renssalaer Polytechnic Institute, Electrical Engineering Department Jan. 24, 1980.

54. “Model Reduction for Flexible Spacecraft by Modal Cost Analysis”, University of Toronto, Institute of Aerospace Studies, Dec. 17, 1979.

55. “Model Reduction & Controller Design”, NASA Langley Large Space Systems Tech. Workshop June, 1979.

56. “Accommodating Modal Uncertainty in the Control of Spacecraft”, UCLA Mechanics and Structures Department, June 1976.

Invited Short Courses

1. Skelton, R.E., Iwasaki, T., and Grigoriadis, K., “System Design”, Plant and Control, 1999, ACC.

2. Skelton, R.E., and Grigoriadis, K., “Integrated Structure and Control Design”, short course for ACC, Philadelphia, 1998.

3. Skelton, R.E., “Flexible Structure Control,” European Space Agency, April 1992, short course.

4. Skelton, R.E., “Optimal Estimation and Control”, JPL.

5. Skelton, R.E., “Dynamics and Control of Flexible Structures”, Edwards Air Force Base, June 22-26, 1987.

6. Skelton, R.E., “Control Structure Interaction”, Sandia National Labs, Jan. 26-30, 1987.

7. Skelton, R.E., “Dynamics and Control of Flexible Structures”, Lawrence Livermore National Laboratory, Livermore, CA, July 13-18, 1986.

8. Skelton, R.E., “Control of Flexible Structures”, Carl-Cranz Gesellschaft e.V., Flugplatz, Wessling-Oberpfaffenhofen, Germany, June 9-11, 1986.

9. Goodwin, G., Skelton, R.E., and Mingori, D.L., “Control Theory for Modern Mechanical and Aerospace Applications”, UCLA, Jan. 7-11, 1985.

10. Skelton, R.E., “Dynamics and Control of Flexible Space Structures”, short course, Honeywell, Inc., Clearwater, FL, Dec. 3-7, 1984.

11. Skelton, R.E., and Hughes, P.C., “Dynamics and Control of Flexible Structures”, UCLA short course, Aug. 22-26, 1983.

12. Skelton, R.E., “Beneficial Interactions of the Dynamics Guidance and Control Disciplines”, Lecture series for the American Astronautical Society Annual Rocky Mountain Guidance & Control Conf., Jan. 30, 1982.

13. Skelton, R.E., Hughes, P.C., and Yang, H.T.Y., “Dynamics and Control of Flexible Structures”, UCLA short course, July 20-24, 1981.

14. Skelton, R.E., and Hughes, P.C., “Dynamics and Control of Flexible Structures”, short course for Eastman Kodak Co., Rochester, NY, June 8-11, 1981.

15. Skelton, R.E., and Hughes, P.C., “Dynamics and Control of Flexible Structures,” short course for McDonnell Douglas Aerospace Co., St. Louis, MO, July 9-11, 1981.

16. Skelton, R.E., “Dynamics and Control of Flexible Spacecraft”, short course sponsored by US Air Force, Wright Patterson Air Force Base, July 10-11, 1980.

17. Skelton, R.E., and Likins, P.W., “Dynamics and Control of Flexible Spacecraft”, UCLA short course, July 28-Aug. 1, 1980.

18. Skelton, R.E., and Likins, P.W., “Dynamics and Control of Flexible Spacecraft”, short course sponsored by AIAA, Provincetown, Massachusetts, June 28-29, 1979.

19. Skelton, R.E., and Likins, P.W., “Dynamics and Control of Flexible Spacecraft”, short course sponsored by AIAA, Los Angeles, Sept. 30-Oct. 1, 1978.

20. Skelton, R.E., “Linear System Theory”, short course for Sperry Rand Corp., Huntsville, AL, June 1973.

21. Skelton, R.E., “Dynamic Programming”, short course for Sperry Rand Corp., Huntsville, AL, May 1973.

22. Skelton, R.E., “Modern Control Theory and Applications”, short course for Sperry Rand Corp., Huntsville, AL, Apr. 1972.

23. Skelton, R.E., “Rotational Dynamics II”, short course for Sperry Rand Corp., Huntsville, AL, May 1970.

24. Skelton, R.E., “Rotational Dynamics I”, short course for Sperry Rand Corp., Huntsville, AL, Apr. 1970.