ConferencePapers

111. J. Hammerton, W. Su, G. Zhu, and S. S-M Swei, "Optimum Distributed Wing Shaping and Control Loads for Highly Flexible Mission-Adaptive Aircraft,"2017 International Forum on Aeroelasticity and Structural Dynamics (IFASD), Como, Italy, June 25-28, 2017.

110. H. Li, G. Zhu, Y. Huang, and X. Chen, "Reduced-Order Nonlinear Model of an Electro-Hydraulic Variable Valve Actuator for Internal Combustion Engines,"The 13th IEEE International Conference on Control and Automation, Ohrid, Macedonia, July 3-6, 2017.

109. Z. Tao, H. Sun, D. Upadhyay, G. Zhu, and E. Curtis, "Regenerative Hydraulic Assisted Turbocharger,"2017 ASME Turbo Expo, Charlotte, NC, June, 2017.

108. R. Song and G. Zhu, "Control-Oriented Crank-Resolved and State-Space Models for a Gasoline Turbulent Jet Ignition Engine,"2017 American Control Conference, Seattle, WA, May, 2017.

107. Y. Men, I. Haskara, Y. Wang, C. Zhang, and G. Zhu, "Model-Based Calibration of the Reaction-Based Diesel Combustion Dynamics,"2017 American Control Conference, Seattle, WA, May, 2017.

106. T. He, A. Al-Jiboory, G. Zhu, S. Swei, "Switching State-Feedback LPV Control with Uncertain Scheduling Parameters,"2017 American Control Conference, Seattle, WA, May, 2017.

105. A. Al-Jiboory and G. Zhu, "Robust Gain-Scheduling Observers with Guaranteed Performance,"2017 American Control Conference, Seattle, WA, May, 2017.

104. A. Al-jiboory, G. Zhu, S. S-M. Swei, W. Su, and N. Nguyen, "LPV Modeling of a Flexible Wing Aircraft Using Adaptive Model Gridding and Alignment Methods,"2017 AIAA SciTech Conference, Grapevine, Texas, January, 2017.

103. K. Song, D. Upadhyay, H. Sun, H. Xie, and G. Zhu, "A Physics-Based Control-Oriented Model for Compressor Mass Flow Rate,"2016 Conference on Decision and Control, Las Vegas, NV, December, 2016.

102. T. Zeng, D. Upadhyay, H. Sun, and G. Zhu, "A Generalized Compressor Power Model for Turbocharged Internal Combustion Engines with Reduced Complexity,"2016 ASME Dynamic Systems and Control Conference, Minneapolis, MN, Oct., 2016.

101. A. K. Al-Jiboory and G. Zhu, "Robust Gain-Scheduling Control Guaranteed Cost," NOLCOS 2016, 10th IFAC Symposium on Nonlinear Control Systems, Monterey, CA., August 23-25, 2016.

100. T. Zeng, D. Upadhyay, H. Sun, and G. Zhu, "A Physics-Based Turbine Power Model for a Variable Geometry Turbocharger," 2016 American Control Conference, Boston, MA, July, 2016.

99. J. Yang and G. Zhu, "Model Predictive Control of a Hybrid Powertrain," 2016 American Control Conference, Boston, MA, July, 2016.

98. W. Su, S. S-M. Swei, and G. Zhu, "Mission Adaptive Wing Shape Determination for Highly Flexible Aeroelastic Aircraft," 2016 AIAA SciTech Conference, San Diego, CA, January, 2016.

97. R. Song, G. Gentz, G. Zhu, E. Toulson, and H. Schock, "A Control-Oriented Jet Ignition Combustion Model for an SI Engine," 2015 ASME Dynamic Systems and Control Conference, Columbus, Ohio, Oct., 2015.

96. A. K. Al-jiboory and G. Zhu, "Robust Gain-Scheduling H2 Control with Noisy Scheduling Parameters," 2015 ASME Dynamic Systems and Control Conference, Columbus, Ohio, Oct., 2015.

95. J. J. Yang, S. Zhang, R. Song, and G. Zhu, "LPV Model Identification of an EVVT System," 2015 American Control Conference, Chicago, IL, July, 2015.

94.G. Zhu, J. Wang, Z. Sun, and X. Xiang, "Tutorial of Model-Based Powertrain and Aftertreatment System Control Design and Implementation," 2015 American Control Conference, Chicago, IL, July, 2015.

93. Z. Lou, S. Wen, J. Qian, H. Xu, and M. Sun, and G. Zhu, "Camless Variable Valve Actuator with Two Discrete Lifts," SAE Technical Paper, SAE 2015-01-0324, 2015.

92. S. Swei, G. Zhu, and N. Nguyen, "LMI-Based Multiobjective Optimization and Control of Flexible Aircraft using VCCTEF," 2015 AIAA SciTech Conference, Kissimmee, FL, January, 2015.

91. S. Zhang and G. Zhu, "Model-Based Mode Transition Control between SI and HCCI Combustion," 2014 ASME Dynamic System and Control Conference, San Antonio, TX, October, 2014.

90. J. Yang and G. Zhu, "Predictive Boundary Management Control of a Hybrid Powertrain," 2014 ASME Dynamic System and Control Conference, San Antonio, TX, October, 2014.

89. A. K. Al-Jiboory, G. Zhu, and C. Sultan, "LMI control Design with Input Covariance Constraint for a Tensegrity Simplex," 2014 ASME Dynamic System and Control Conference, San Antonio, TX, October, 2014.

88. S. Zhang, J. Yang, and G. Zhu, "LPV Gain-Scheduling Control of an Electronic Throttle with Experimental Validation," 2014 American Control Conference, Portland, OR, June, 2014.

87. S. Zhang, A. White, J. Yang, and G. Zhu, "LPV Control of an Electronic Throttle," 2013 ASME Dynamic System and Control Conference, Polo Alto, CA, October, 2013.

86. A. White, G. Zhu, and J. Choi, "A Linear Matrix Inequality Solution to the Input Covariance Constraint Control Problem," 2013 ASME Dynamic System and Control Conference, Polo Alto, CA, October, 2013.

85. S. Swei, G. Zhu, and N. Nguyen, "An Integrated Modeling and Control Approach for Aircraft with Flexible Wings," 2013 AIAA Guidance, Navigation, Control and Co-located Conference, Boston, MA, August, 2013.

84. A. White, J. Choi, and G. Zhu, "Dynamic, Output Feedback, Gain-Scheduling Control of an Electric Variable Valve Timing System," 2013 American Control Conference, Washington DC, June, 2013.

83. T. Jin, P. Li, and G. Zhu, "Optimal Decoupled Control for Dry Clutch Engagement," 2013 American Control Conference, Washington DC, June, 2013.

82. Y. Yoon, Z. Sun, S. Zhang, and G. Zhu, "Development of Control-oriented Charge Mixing Model and Experimental Validation using Graphical Analysis," 2013 American Control Conference, Washington DC, June, 2013.

81. A. White, G. Zhu, and J. Choi, "Guaranteed $\mathcal{L}_{2}$ to $\mathcal{L}_{\infty}$ Control for Discrete-time Polytopic LPV Systems," 2013 American Control Conference, Washington DC, June, 2013.

80. Z. Lou, Q. Deng, S. Wen, Y. Zhang, M. Yu, M. Sun, and G. Zhu, "Progress in Camless Variable Valve Actuation with Two-Spring Pendulum and Electrohydraulic Latching," SAE Technical paper, SAE 2013-01-0590, 2013.

79. H. Lei, W. Li, G. Zhu, and X. Tan, "Evaluation of Encapsulated IPMC Sensor Based on Thick Parylene Coating," ASME 2012 Conference on Smart Materials, Adaptive Structures and Intelligent Systems, Stone Mountain, GA, September, 2012.

78. S. Zhang, G. Zhu, Y. Yoon, and Z. Sun, "A Control Oriented Charge Mixing and HCCI Combustion Model for Internal Combustion Engines," 2012 ASME Dynamic System Control Conference, Ft. Lauderdale, FL, October, 2012.

77. A. White, G. Zhu, and J. Choi, "A Linear Matrix Inequality Solution to the Output Covariance Constraint Control Problem," 2012 ASME Dynamic System Control Conference, Ft. Lauderdale, FL, October, 2012.

76. M. Mittal, G. Zhu, and H. Schock, "In-Cylinder Combustion Visualization of a Direct-Injection Spark Ignition Engine with Different Operating Conditions and Fuels," SAE 2012-01-1644, October, 2012.

75. J. Zhong, D. L.S. Hung, G. Zhu, and X. Tan, "Cycle-to-Cycle Response of Ionic Polymer-Metal Composite Materials Subject to Pulsing Flow-Induced Stimulus," 2012 IEEE/ASME International Conference on Advanced Intelligent Mechatronics (AIM 2012), Taiwan, ROC, July, 2012.

74. W. P. Attard, E. Toulson, A. Huisjen, X. Chen, G. Zhu, and H. Schock, "Spark Ignition and Prechamber Turbulent Jet Ignition Combustion Visualization," SAE 2012-01-0823, 2012 SAE World Congress, Detroit, MI, April, 2012.

73. X. Yang and G. Zhu, "Air-to-fuel ratio regulation during SI to HCCI Combustion Mode Transition using the LQ Tracking Control," Proceedings of 2012 American Control Conference, Montreal, Canada, June, 2012.

72. X. Chen, Y. Wang, I. Haskara, and G. Zhu, "Air-to-Fuel Ratio Control with Adaptive Estimation of Biofuel Content for Diesel Engine LNT Regeneration," Proceedings of 2012 American Control Conference, Montreal, Canada, June, 2012.

71. X. Yang and G. Zhu, "SI and HCCI Combustion Mode Transition Control of a Multi-Cylinder HCCI Capable SI Engine via Iterative Learning," 2011 ASME Dynamic Systems and Control Conference, Arlington, VA, November, 2011.

70. A. White and G. Zhu, "Mixed H2/H∞ observer-based LPV control of a hydraulic engine cam phasing actuator," 2011 ASME Dynamic Systems and Control Conference, Arlington, VA, November, 2011.

69. M. McCuen, Z. Sun, and G. Zhu, "A novel method for CFD analysis of a two-zone mixing model for HCCI engines," 2011 ASME Dynamic Systems and Control Conference, Arlington, VA, November, 2011.

68. S. Pace and G. Zhu, "Optimal LQ transient air-to-fuel ratio control of an internal combustion engine," 2011 ASME Dynamic Systems and Control Conference, Arlington, VA, November, 2011.

67. X. Chen, X. Yang, G. Zhu, and X. Tan, "Model-based flow property estimation using an ionic polymer-metal composite beam," 2011 ASME Dynamic Systems and Control Conference, Arlington, VA, November, 2011.

66. M. Mittal, G. Zhu, D. Hung, and H. Schock, "High-speed flow and combustion visualization to study the effect of charge motion control on fuel spray development and combustion inside a directinjection spark-ignited engine,"SAE 2011-01-1213, 2011 SAE World Congress, Detroit, MI, April, 2011.

65. X. Yang and G. Zhu, "A Two-Zone Control Oriented SI-HCCI Hybrid Combustion Model for the HIL Simulation," 2011 American Control Conference, San Francisco, CA, June, 2011.

64. A. White, J. Choi, and G. Zhu, "Dynamic gain-scheduling controller design for a port-fuel-injection process," 2011 American Control Conference, San Francisco, CA, June, 2011.

63. Z. Ren and G. Zhu, "Modeling and control of an electrical variable valve timing system for SI and HCCI combustion mode transition," 2011 American Control Conference, San Francisco, CA, June, 2011.

62. M. Mittal, D. Hung, G. Zhu, and H. Schock, "A study of fuel spray visualization in a direct-injection spark-ignition engine with gasoline and ethanol-gasoline blended fuels," SAE Powertrain and Fluids Conference (SAE 2010-01-2153), San Diego, CA, Oct. 2010.

61. D. Hung, X. Yang, G. Zhu, T. Ganley, and X. Tan, "Experimental studies on using ionic polymer-metal composite materials for automotive flow sensing applications," The 5th IFAC Symposium on Mechatronic Systems, Cambridge, MA, September, 2010.

60. M. McCuen, Z. Sun, and G. Zhu, "Chemical composition modeling of a two-zone control-oriented mixing model for homogeneous charge compression ignition engines," 2010 ASME Dynamic Systems and Control Conference, Cambridge, MA, September, 2010.

59. A. White, G. Zhu, and J. Choi, "Hardware-in-the-loop simulation of robust gain-scheduling control of port-fuel-injection processes," 2010 ASME Dynamic Systems and Control Conference, Cambridge, MA, September, 2010.

58. X. Yang and G. Zhu, "A control oriented SI and HCCI hybrid combustion model for internal combustion engines," 2010 ASME Dynamic Systems and Control Conference, Cambridge, MA, September, 2010.

57. Z. Ren and G. Zhu, "Integrated system identification and control design for an IC engine variable valve timing system," 2010 ASME Dynamic Systems and Control Conference, Cambridge, MA, September, 2010.

56. T. Ganley, D. L.S Hung, G. Zhu, and X. Tan, "Temperature-dependent ionic polymer-metal composite (IPMC) sensing dynamics: modeling and inverse compensation," the 2010 IEEE/ASME International Conference on Advanced Intelligent Mechatronics (AIM 2010), Montreal, Canada, July, 2010.

55. D. L.S. Hung , X. Yang, G. Zhu, T. Ganley, and X. Tan, "Modeling of ionic polymer-metal composite beam dynamics and its validation using high-speed motion visualization," the 2010 IEEE/ASME International Conference on Advanced Intelligent Mechatronics (AIM 2010), Montreal, Canada, July, 2010.

54. X. Yang and G. Zhu, "A mixed mean-value and event-based model of a dual-stage turbocharged SI engine for hardware-in-the-loop simulation," 2010 American Control Conference, Baltimore, MD, June 2010.

53. A. White, J. Choi, R. Nagamune, and G. Zhu "Gain-scheduling control of port-fuel-injection processes," 2010 American Control Conference, Baltimore, MD, June 2010.

52. Z. Ren and G. Zhu, "Multi-rate closed-loop system identification of a variable valve timing actuator for an internal combustion engine," 2010 American Control Conference, Baltimore, MD, June 2010.

51. M. McCuen, Z. Sun, and G. Zhu, "Control-oriented mixing model for homogeneous charge compression ignition engine," 2010 American Control Conference, Baltimore, MD, June 2010.

50. T. Ganley, D. L.S Hung, G. Zhu, and X. Tan, "Characterization and modeling of temperature-dependent behavior of ionic polymer-metal composite sensor," The 16th US National Congress of Theoretical and Applied Mechanics, State College, PA, June, 2010.

49. D. L.S. Hung, G. Zhu and H. Schock, "Time-resolved measurements of in-cylinder fuel spray and combustion characteristics using high-speed visualization and ionization sensing," ILASS Americas, 22nd Annual Conference on Liquid Atomization and Spray Systems, Cincinnati, OH, May, 2010.

48. S. Pace and G. Zhu, "Air-to-fuel and dual-fuel ratio control of an internal combustion engine," 2009 SAE Powertrains Fuels and Lubricants Meeting (SAE-2009-01-2749), San Antonio, Texas, November, 2009.

47. M. Mittal, G. Zhu, T. Stuecken, and H. Schock, "Effects of pre-injection on combustion characteristics of a single-cylinder diesel engine," ASME 2009 International Mechanical Engineering Congress & Exposition, Lake Buena Vista, Florida, November, 2009.

46. S. Pace and G. Zhu, "Sliding mode control of a dual-fuel system internal combustion engine," 2009 ASME Dynamic Systems and Control Conference, Hollywood, California, October, 2009.

45. G. Zhu, J. Ma, and H. Schock, "An iterative algorithm for model-based predictive control of an electro-pneumatic valve actuator," 2009 American Control Conference, St. Louis, Missouri, June, 2009.

44. J. Gao, F. Sun, H. He, G. Zhu, E. Strangas, "A comparative study of supervisory control strategies for a series hybrid electric vehicle," 2009 Asia-Pacific Power and Energy Engineering Conference (APPEEC), 2009, pp. 3017-3023.

43. M. Mittal, G. Zhu, H. Schock, T. Stuecken, and D. L.S. Hung, "Burn rate analysis of an ethanol-gasoline, dual-fueled, spark ignition engine," ASME 2008 International Mechanical Engineering Congress and Exposition, IMECE2008-66139, Boston, MA, November, 2008.

42. N. M. Danne, D. L.S. Hung, G. Zhu, and J. Mckoskey, "Knock detection for a large displacement air-cooled V-twin motorcycle engine using in-cylinder ionization signals,"SAE 2008 Small Engine Technology Conference, SAE 2008-32-0028, Milwaukee, WI, September, 2008.

41. G. Zhu, T. Stuecken, H. Schock, X. Yang, D. Hung, and A. Fedewa, "Combustion characteristics of a single-cylinder engine equipped with gasoline and ethanol dual-fuel systems,"2008 SAE International Powertrains, Fuels and Lubricants Congress, SAE 2008-01-1767, Shanghai, China, June, 2008.

40. J. Ma, G. Zhu, A. Hartsig, and H. Schock, "Model based predictive control of an electro-pneumatic exhaust valve for internal combustion engines," Proceedings of 2008 American Control Conference, Seattle, Washington, June, 2008.

39. J. Ma, G. Zhu, T. Stuecken, A. Hartsig, and H. Schock, "Electro-pneumatic exhaust valve modeling and control for an internal combustion engine," 2008 ASME ICE Spring Conference, ICES2008-1653, Chicago, IL, April, 2008.

38. J. Ma, G. Zhu, H. Schock, and J. Winkelman, "Adaptive control of a pneumatic valve actuator for an internal combustion engine," 2007 American Control Conference, New York, NY, July, 2007.

37. D. L.S. Hung, G. Zhu, J. Winkelman, T. Stuecken, H. Schock, and A. Fedewa, "A high speed flow visualization study of fuel spray pattern effect on mixture formation in a low pressure direct injection gasoline engine," 2007 SAE World Congress (SAE 2007-01-1141), Detroit, MI, April, 2007.

36. J. Ma, T. Stuecken, H. Schock, G. Zhu, and J. Winkelman, "Model reference adaptive control of a pneumatic valve actuator for infinitely variable valve timing and lift," 2007 SAE World Congress (SAE 2007-01-1297), Detroit, MI, April, 2007.

35. G. Zhu, D. Hung, and J. Winkelman, "Combustion characteristics detection for low pressure direct injection engines using ionization signal," SAE 2006-01-3317., 2006.

34. I. Haskara, G. Zhu, and J. Winkelman, "Multivariable EGR/spark timing control for IC engines via extremum seeking," Proceedings of the 2006 American Control Conference, Minneapolis, MN, June 2006.

33. G. Zhu, I. Haskara, and J. Winkelman, "Closed loop ignition control for spark ignited engines using in-cylinder ionization signal," 2005 Global Powertrain Conference, Ann Arbor, MI, September, 2005

32. G. Zhu, I. Haskara, and J. Winkelman, "Stochastic limit control and its application to spark limit control using ionization feedback," Proceedings of the 2005 American Control Conference, Portland, OR, June 2005.

31. I. Haskara, G. Zhu, C. F. Daniels, and J. Winkelman, "Closed-loop maximum dilution control using ionization feedback signal," SAE 2005-01-3751, Oct., 2005.

30. I. Haskara, G. Zhu, C. F. Daniels, and J. Winkelman, "On combustion variants for MBT timing estimation and control," Proceedings of the 2004 ASME Internal Combustion Engine Division Fall Technical Conference, Long Beach, CA, Oct. 2004.

29. C. F. Daniels, G. Zhu, and J. Winkelman, "Inaudible knock and partial-burn detection using in-cylinder ionization signal," SAE 2003-01-3149, 2003.

28. G. Zhu, C. F. Daniels, and J. Winkelman, "MBT timing detection and its closed-loop control using in-cylinder pressure signal," SAE 2003-01-3266, 2003.

27. Q. Song and G. Zhu, "Model-based, closed-loop control of Urea SCR exhaust aftertreatment system for diesel engines," SAE 2002-01-0287, 2002.

26. M. Stepper, S. Butler, and G. Zhu, "On-board diagnostics, a heavy-duty perspective," SAE 951947, 1995.

25. R. E. Skelton, 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.

24. G. Zhu, and R. E. Skelton, "Peak stress control in the presence of uncertain dynamic loads," VPI and SU, Blacksburg VA, May 8-10, 1995.

23. G. Zhu and R. E. Skelton, "Output covariance constraint problem with disturbance feedback," First World Conference on Structural Control, Pasadena CA, Aug, 1994.

22. R. E. Skelton, 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.

21. G. Zhu, K. M. Grigoriadis, and R. E. Skelton, "Optimal finite wordlength with skewed sampling," Proceedings of the 1994 American Control Conference, Baltimore, MD, June 1994.

20. G. Zhu, R. E. Skelton, and P. Li, "Q-Markov cover identification using pseudo random binary signals," Proceedings of the 1994 American Control Conference, Baltimore, MD, June 1994.

19. G. Zhu and R. E. Skelton, "L2 to L∞ gains for sampled-data systems," Proceedings of the 14th Allerton Conference on Communication, Control and Computing, Urbana, IL, Sept. 1993.

18. G. Zhu, 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, CA, June 1993.

17. K. M. Grigoriadis, M. J. Carpenter, G. Zhu, and R. E. Skelton, "Optimal redesign of linear systems," Proceedings of the 1993 American Control Conference, San Francisco, CA, June 1993 (Received the best paper award).

16. G. Zhu, K. M. 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.

15. R. E. Skelton, Y. Lee, G. Zhu, "Covariance active/passive control," Smart Structure and Materials, Tucson, AZ, Jan. 1993.

14. E. Yaz, G. Zhu, and R. E. Skelton, "Observer design for discrete-time system using covariance assignment," Proceedings of the 31st IEEE Conference on decision and Control, Tucson, AZ, Dec. 1992.

13. G. Zhu and R. E. Skelton, "Covariance control for discrete periodic systems," Proceedings of the 31st IEEE Conference on decision and Control, Tucson, AZ, Dec. 1992.

12. G. Zhu and R. E. Skelton, "Block diagonal output covariance constraint problem for periodic and multirate systems," Proceedings of the 13th Allerton Conference on Communication, Control and Computing, Monticello, IL, Oct. 1992.

11. G. Zhu and R. E. Skelton, "A two-Riccati, feasible algorithm for guaranteeing output L_inf constraints," Proceedings of the 30th IEEE Conference on Decision and Control, Brighton, U.K., Dec. 1991.

10. G. Zhu and R. E. Skelton, "Controller design to achieve covariance constraints," First IFAC Symposium on Design Methods of Control System, Zurich, Switzerland, Sept. 1991.

9. G. Zhu and R. E. Skelton, "Robust properties of periodic discrete and multirate systems," Proceedings of 1991 American Control Conference, Boston, MA, June 1991.

8. G. Zhu and R. E. Skelton, "Extended output L∞ constraint problem by weight selection in LQ control," Proceedings of 1991 American Control Conference, Boston, MA, June 1991.

7. C. Hsieh, J. Kim, G. Zhu, K. Liu, and R. Skelton, "An iterative algorithm combining model reduction and control design,"Proceedings of 1990 American Control Conference, San Diego, CA, May, 1990.

6. M. Corless, G. Zhu, and R. E. Skelton, "Improved robustness bounds using covariance matrices," Proceedings of 1989 IEEE Conference on Decision and Control, Tampa, FL, Dec. 1989.

5. M. Corless, G. Zhu, and R. E. Skelton, "New robustness properties of linear systems," Proceedings of the 28th IEEE Conference on Decision and Control, Tampa, FL, Dec. 1989.

4. M. Corless, G. Zhu, and R. E. Skelton, "Robustness of covariance controllers," Proceedings of the 10th Allerton Conference on Communication, Control and Computing, Monticello, IL, Sept. 1989.

3. D. R. Williamson, R. E. Skelton, and G. Zhu, "Moment matching model reduction for multirate linear systems," Proceedings of the 10th Allerton Conference on Communication, Control and computing, Monticello, IL, Sept. 1989.

2. G. Zhu and R. E. Skelton, "Robustness of covariance controllers for discrete systems," IEEE International Conference on System Engineering, Dayton, OH, Aug. 1989.

1. G. Zhu and R. E. Skelton, "Extension of output variance constraints to hard constraints," 3rd Annual Workshop on Aerospace Computational Control, Oxnard, CA, Aug. 1989.