Welcome to AIM laboratory
Dr. Cao's Publications
Books :
N. Hovakimyan and C. Cao, L1 Adaptive Control Theory: Guaranteed Robustness with Fast Adaptation (Advances in Design and Control): Society for Industrial & Applied Mathematics, 2010.
Journal papers:
[1] J. Che, and C. Cao, “Adaptive Controller for Unknown Disturbance Rejection in Linear Time-Varying Systems,” International Journal of Control, submitted, 2013.
[2] J. Che, M. Santone and C. Cao, “Adaptive Control for Systems with Output Constraints Using an On-line Optimization Method,” Journal of Optimization Theory and Applications, submitted, 2013.
[3] ?J. Luo and C. Cao, “L1 Adaptive Control with Sliding –Mode Based Adaptive Law,” Journal of Dynamical and Control Systems, submitted, 2013.
[4] J. Cooper and C. Cao, “L1 Adaptive Control with Additional Memorizing Mechanism,” International Journal of Adaptive Control and Signal Processing, submitted, 2013.
[5] J. Luo and C. Cao, “Adaptive cooperative control for flocking of mobile agents under a fixed undirected graph,” IET Control Theory & Applications, in revision, 2013.
[6] J. Luo, X. Zou, and C. Cao, “Adaptive Control for Uncertain Hysteretic Systems,” ASME Dynamic Systems, Measurement and Control, revised version submitted, 2013.
[7] X. Zou, N. Wu, Y. Tian, J. Luo, C. Cao, and X. Wang, “Broadband Miniature Fiber Optic Ultrasound Generator,” Optics Express, accepted, 2013.
[8] Y. Tian, N. Wu, X. Zou, H. Felemban, C. Cao, and X. Wang, “A fiber optic ultrasound generator using periodic gold nanopores fabricated by focused ion beam,” ?Optical Engineering, accepted, 2013.
[9] Q. Yang, B. Sease, Y. Xu, J. Che, and C. Cao, “L1 Adaptive Control for Magnetic-based CubeSat Attitude Control System,” IEEE Transactions on Aerospace and Electronic Systems, revised version submitted, 2013.
[10] J. Che and C. Cao, “Adaptive controller for unknown disturbance rejection without dynamic inversion,” Systems and Control Letters, in revision, 2013.
[11] J. Luo and C. Cao, “L1 Adaptive Controller for a Class of nonlinear Systems,” ASME Dynamic Systems, Measurement and Control, revised version submitted, 2012.
[12] J. Cooper, J. Che, and C. Cao, “On the Learning in Fast Adaptation Algorithms,” International Journal of Adaptive Control and Signal Processing, in print, 2013.
[13] V. Dobrokhodov, E. Xargay, N. Hovakimyan, I. Kaminer, C. Cao, and I. M. Gregory, “Multicriteria analysis of an L1 adaptive flight control system,” Proceedings of the Institution of Mechanical Engineers, Part I: Journal of Systems and Control Engineering, vol. 227, no. 4, pp. 413-427, 2013.
[14] J. Luo, J. Cooper, C. Cao, and K. Pham, “Cooperative Adaptive Control of a Two-Agent System,” International Journal of Control, vol. 86, no. 1, pp 127-138, 2013.
[15] J. Luo, C. Cao, and Q. Yang, “L1 Adaptive Controller for a Class of Non-affine Multi-Input Multi-Output Nonlinear Systems,” International Journal of Control, vol. 86, no. 2, pp 348-359, 2013.
[16] Q. Yang, J. Luo, C. Cao, J. Lu, and Y. Sun, “Automated Manipulation of Micro-Nano Objects with SPM by Using L1 Adaptive Controller,” International Journal of Advanced Robotic Systems, 2012, DOI: 10.5772/53511.
[17] Z. Liu, Y. Chen, B. Liu, C. Cao, and X. Fu, “HAWK: An Unmanned Mini Helicopter-based Aerial Wireless Kit for Localization,” IEEE Transactions on Mobile Computing, 2012. http://doi.ieeecomputersociety.org/10.1109/TMC.2012.238
[18] E. Xargay, V. Dobrokhodov, I. Kaminer, A. Pascoal, N. Hoavakimyan, and C. Cao, “Time-Critical Cooperative Control of Multiple Autonomous Vehicles Robust distributed strategies for path-following control and time-coordination over dynamic communications networks,” IEEE Control Systems Magazine, vol. 32, no. 5, pp. 49-73, 2012.
[19] J. Luo, X. Zou, and C. Cao, “Eigenvalue Assignment for Linear Time-Varying Systems with Disturbances,” IET Control Theory and Applications, vol. 6, no. 3, pp. 365-374, 2012.
[20]C. Wang, M. Santone, and C. Cao, “Pilot-Induced Oscillation Suppression by Using L1 Adaptive Control,” Journal of Control Science and Engineering, 2012, Article ID 394791, doi:10.1155/2012/394791.
[21] N. Hovakimyan, C. Cao, E. Kharisov, E. Xargay, and I. Gregory, “Adaptive Controller for Safety Critical Systems: Guaranteed Robustness with Fast Adaptation,” IEEE Control Systems Magazine, vol. 31, no. 5, pp. 54-104, 2011.
[22] V. Dobrokhodov, I. Kaminer, I. Kitsios, E. Xargay, N. Hovakimyan, C. Cao, I. Gregory, and L. Valavani, “Experimental Validation of Adaptive Control: Rohr’s Counterexample in Flight,” AIAA Journal of Guidance, Control and Dynamics, vol. 34, no. 5, pp.1311-1328, 2011.
[23] L. Ma, C. Cao, N. Hovakimyan, V. Dobrokhodov, and I. Kaminer, “Adaptive Vision-Based Guidance Law with Guaranteed Performance Bounds for Tracking a Ground Target with Time-Varying Velocity,”? AIAA Journal of Guidance, Control and Dynamics, vol. 33, No. 3, pp. 834-852,? 2010.
[24] J. Wang, N. Hovakimyan, and C. Cao, “Verifiable Adaptive Flight Control: UCAV and Aerial Refueling,” ?AIAA Journal of Guidance, Control and Dynamics, vol. 33, no. 1, pp. 75-87, 2010.
[25] S. J. Yoo, N. Hovakimyan, and C. Cao, “Decentralized Adaptive Control for Large-scale Nonlinear Systems with Interconnected Unmodelled Dynamics,” IET Control Theory and Applications, vol. 4, no.10, pp. 1972-1988, 2010.
[26] L. Ma, C. Cao, N. Hovakimyan, C. Woolsey, and W. Dixon, “Fast Estimation for Range Identification in the Presence of Unknown Motion Parameters,” IMA Journal of Applied Mathematics, vol. 75, no. 2, pp. 165-189, 2010.
[27] I. Kaminer, A. Pascoal, E. Xargay, C. Cao, N. Hovakimyan, and V. Dobrokhodov, “3D Path Following for Small UAVs using Commercial Autopilots Augmented by L1 Adaptive Control,” AIAA Journal of Guidance, Control and Dynamics, vol. 33, no. 2, pp. 550-564, 2010.
[28] C. Cao and N. Hovakimyan, “Stability Margins of L1 Adaptive Control Architecture,” IEEE Transactions on Automatic Control, vol. 55, mo. 2, pp. 480-487, 2010.
[29] Y. Li, Y. Yang, L. Zhou, A. Wei, and C. Cao, “QoS-aware fair packet scheduling in IEEE 802.16 wireless mesh networks,” International Journal of Communication Systems, vol. 23, no. 6-7, pp. 901-917, 2010.
[30] Y. Li, Y. Yang, and C. Cao, “A Novel Routing Algorithm in Distributed IEEE 802.16 Mesh Networks,” IEEE Communications letters, vol. 13, no. 10, pp. 761-763, 2009.
[31] C. Cao and N. Hovakimyan, “L1 Adaptive Output-Feedback Controllers for Non-Strictly-P27itive-Real Reference Systems: Missile Longitudinal Autopilot Design,” AIAA Journal of Guidance, Control, and Dynamics, vol. 32, no. 3, pp.717-726, 2009.
[32] V. V. Patel, C. Cao, N. Hovakimyan, K. A. Wise, and E. Lavretsky, “L1 adaptive controller for tailless unstable aircraft in the presence of unknown actuator failures,” International Journal of Control, vol. 82, no. 4, pp. 705–720, 2009.
[33] N. Hovakimyan, E. Lavretsky, and C. Cao, “Dynamic inversion for multivariable non-affine-in-control systems via time-scale separation,” International Journal of Control, vol. 81, no. 12, pp. 1960–1967, 2008.
[34] C. Cao and N. Hovakimyan, “Vision-based tracking using intelligent excitation,” International Journal of Control, vol. 81, no. 11, pp. 1763–1778, 2008.
[35] N. Hovakimyan, E. Lavretsky, and C. Cao, “Adaptive Dynamic Inversion via Time-Scale Separation,” ?IEEE Transactions on Neural Networks, vol.19, no.10, pp.1702-1711, ?2008.
[36] C. Cao and N. Hovakimyan, “L1 adaptive controller for systems with unknown time-varying parameters and disturbances in the presence of non-zero trajectory initialization error,” International Journal of Control, vol. 81, no. 7, pp. 1147–1161, 2008.
[37] C. Cao, N. Hovakimyan, and J. Evers, “Active control of visual sensor for navigation and guidance,” Computational Management Science, vol. 7, no. 1, pp. 85-110, 2008.
[38] C. Cao and N. Hovakimya, “L1 Adaptive Output Feedback Controller for Systems of Unknown Dimension,” IEEE Transactions on Automatic Control, vol.53, no.3, pp.815-821, 2008.
[39] C. Cao and N. Hovakimyan, “Design and Analysis of a Novel L1 Adaptive Controller with Guaranteed Transient Performance,” IEEE Transactions on Automatic Control, vol. 53, no.2, pp. 586-591, 2008.
[40] J. Wang, V. V. Patel, C. Cao, N. Hovakimyan, and E. Lavretsky, “L1 Adaptive Neural Network Controller for Autonomous Aerial Refueling with Guaranteed Transient Performance,” AIAA Journal of Guidance, Control and Dynamics, vol. 31, no. 1, pp. 182-193, 2008.
[41] A. Young, C. Cao, N. Hovakimyan, and E. Lavretsky, “An Adaptive Approach to Nonaffine Control Design for Aircraft Applications,” AIAA Journal of Guidance, Control, and Dynamics, vol. 30, no. 6, pp. 1770-1782, 2007.
[42] C. Cao, N. Hovakimyan, and J. Wang, “Intelligent Excitation for Adaptive Control with Unknown Parameters in Reference Input,” IEEE Transactions on Automatic Control, vol. 52, no. 8, pp. 1525-1532, 2007.
[43] C. Cao and N. Hovakimyan, “Novel L1 Neural Network Adaptive Control Architecture with Guaranteed Transient Performance,” IEEE Transactions on Neural Networks, vol. 18, no. 4, pp. 1160-1171, 2007.
[44] C. Cao, and A. Annaswamy, “A Hierarchical Discretized-parameter Polynomial Adaptive Estimator for Nonlinearly Parameterized Systems,” International Journal of Control, vol. 79, no. 8, , pp.831-844, 2006.
[45] C. Cao, A. Annaswamy, and A. Kojic, “Parameter Convergence in Nonlinearly Parameterized Systems,” IEEE Transactions on Automatic Control, vol. 48, no. 3, pp. 397-412, 2003.
[46] C. Cao, R. Li, and J. Fan, “A New Algorithm on Job-Shop Scheduling,” Control Theory and Applications, vol. 17, no.1, pp. 31-34, 2000.
Peer-reviewed conference proceedings:
2013
[1] J. Cooper, C. Cao and J. Tang, “Control of a Nonlinear Pressure-regulating Engine Bleed Valve in Aircraft Air Management Systems”, ?ASME Dynamical Systems and Control Conference, 2013.
[2] J. Cooper and C. Cao, “L1 Adaptive Controller with Additional Uncertainty Bias Estimation,” Chinese Conference on Decision and Control, 2013.
2012
[1] A. Elahidoost and C. Cao, “Control of a Single-Link Flexible Manipulator Using LQG Control and Radial Basis Function,” ASME Dynamical Systems and Control Conference, 2012.
[2] I. Gregory, J. Che, and C. Cao, “Integrated Flight/Structural Mode Control for Very Flexible Aircraft Using L1 Output Adaptive Control,” AIAA Guidance, Navigation, and Control Conference, 2012.
[3] C. Wang, I. Gregory, and C. Cao, “L1 Adaptive Control with Output Constraints Applied to Flight Envelope Limiting,” AIAA Guidance, Navigation, and Control Conference, 2012.
[4] A. Elahidoost, J. Cooper, C. Cao, and K. Pham, “Satellite Orbit Stabilization Using L1 Adaptive Control,” AIAA Guidance, Navigation, and Control Conference, 2012.
[5] S. Mallikarjunan, B. Nesbitt, E. Kharisov; E. Xargay, N. Hovakimyan, and C. Cao, “L1 Adaptive Controller for Attitude Control of Quadrotors,” AIAA Guidance, Navigation, and Control Conference, 2012.
[6] Z. Liu, Y. Chen, B. Liu, C. Cao, and X. Fu, “HAWK: An unmanned mini helicopter-based aerial wireless kit for localization,” Proceedings of Infocom, 2012.
[7] J. Luo, J. Cooper, C. Cao, and K. Pham, “Cooperative Adaptive Control of a Two-Agent Systems,” American Control Conference, pp. 2413-2418, Montreal, Canada, 2012. ?
[8]? J. Che, J. Cernio, J. Prainito, M. Zuba, C. Cao, J. Cui, and K. Kazerouian, “An advanced autonomous underwater vehicle design and control strategy ,” Oceans, 2012 .??
[9] J. Che and C. Cao, “L1 adaptive control of system with unmatched disturbance by using eigenvalue assignment method,” IEEE Conference on Decision and Control, pp.4823-4828, Dec. 2012
2011
[1] J. Luo and C. Cao, “L1 Adaptive Output Feedback Controller for a Class of Nonlinear Systems,” IEEE Conference on Decision and Control, pp. 5425-5430, Orlando, FL, Dec. 2011.
[2] R. Sharifi, J. Hacker, and C. Cao, “Adaptive Engine Control with Multiple Constraints,” Proceedings of the AIAA Infotech@Aerospace, St. Louis, Missouri, Paper No. AIAA-2011-1592, Mar. ?2011.
[3] C. Wang, R. Sharifi, and C. Cao, “L1 Adaptive Control of Uncertain Nonlinear Systems in the Presence of Output Limits,” Proceedings of the AIAA Infotech@Aerospace, St. Louis, Missouri, Paper No. -2011-1400, Mar. ?2011.
[4] C. Wang, S. Yang, X. Lou, C. Neuschaefer, and C. Cao, “L1 adaptive controller and its application to main steam temperature process control,” 54th Annual ISA POWID Symposium, Charlotte, NC, 2011.
2010
[1] I. Gregory, E. Xargay, C. Cao, and N. Hovakimyan, “Flight Test of an L1 Adaptive Controller on the NASA AirSTAR Flight Test Vehicle,” Proceeding of AIAA Guidance, Navigation, and Control Conference, Toronto, Ontario, AIAA-2009-6064, Aug. 2010.
[2] R. Choe, E. Xargay, N. Hovakimyan, C. Cao, and I. Gregory, “L1 Adaptive Control under Anomaly: Flying Qualities and Adverse Pilot Interaction,” Proceeding of AIAA Guidance, Navigation, and Control Conference, Toronto, Ontario, AIAA-2010-7775, Aug. 2010.
[3] E. Xargay, N. Hovakimyan, V. Dobrokhodov, R. Statnikov, I. Kaminer, C. Cao, and I. Gregory, “L1 Adaptive Flight Control System: Systematic Design and Verification and Validation of Control Metrics,” Proceeding of AIAA Guidance, Navigation, and Control Conference, Toronto, Ontario, AIAA-2010-7773, Aug. 2010.
[4] D. Li, N. Hovakimyan, and C. Cao, “Positive Invariance Set of L1 Adaptive Controller in the Presence of Input Saturation,” Proceeding of AIAA Guidance, Navigation, and Control Conference, Toronto, Ontario, AIAA-2010-7535, Aug. 2010.
[5] J. Luo, L. Pan, and C. Cao, “L1 Adaptive Controller for a Nonlinear Boiler-Turbine System,” 53th Annual ISA POWID Symposium, Summerlin, NV, May 2010.
[6] E. Kharisov, N. Hovakimyan, J. Wang, and C. Cao, “L1 Adaptive Controller for Time-Varying Reference Systems in the Presence of Unmodeled Nonlinear Dynamics,” American Control Conference, ?pp. 886-891, Baltimore, MD, ?June 30 - July 2, 2010.
[7] E. Xargay, N. Hovakimyan, and C. Cao, “L1 Adaptive Controller for Multi-Input Multi-Output Systems in the Presence of Nonlinear Unmatched Uncertainties,” American Control Conference, pp. 874-879, Baltimore, MD, June 30 - July 2, 2010.
[8] J. Luo, C. Cao, and N. Hovakimyan, “L1 Adaptive Controller for a Class of Systems with Unknown Nonlinearities,” American Control Conference, pp. 1659-1664, Baltimore, MD, June 30 - July 2, 2010.
[9] S. Yoo, C. Cao, and N. Hovakimyan, “Decentralized L1 Adaptive Control for Large-Scale Systems with Unknown Time-Varying Interaction Parameters,” American Control Conference, pp. 5590-5595, Baltimore, MD, June 30 - July 2, 2010.
[10] X. Zou, C. Cao, and N. Hovakimyan “L1 Adaptive Controller for Systems with Hysteresis Uncertainties,” American Control Conference, pp. 6662-6667, Baltimore, MD, June 30 - July 2, 2010.
[11] A. Thompson, J. Hacker, and C. Cao, “Adaptive Engine Control in the Presence of Output Limits,” Proceedings of the AIAA Infotech@Aerospace, Atlanta, Georgia, Paper No. AIAA-2010-3492, Apr. 20-22, 2010.
[12] E. Xargay, N. Hovakimyan, C. Cao, V. Dobrokhodov, I. Kaminer, and I. Gregory, “L1 Adaptive Flight Control System: Flight Evaluation and Technology Transition,” Proceedings of the AIAA Infotech@Aerospace, Atlanta, Georgia, Paper No. AIAA-2010-3365, Apr. 20-22, 2010.
[13] X. Wang, C. Liu, N. Wu, W. Wang, C. Guthy, Y. Tian, and C. Cao, “Simulation of a Novel Ultrasound Generator-Receiver on a Single Optical Fiber,”? Proceeding of SPIE, Defense, Security, and Sensing, Orlando, FL, USA, April 5-9, 2010.
2009
[1] Y. Li, Y. Yang, and C. Cao, “QoS Issues in IEEE 802.16 Mesh Networks,” Internal Conference on Information Science and Engineering, Nanjing, China, Dec. 2009.
[2] Q. Wang and C. Cao, “Quantum Numerical Optimal Control of Nucleon and Meson Dissipative Dynamics Model,” European Control Conference, Budapest, Hungary, Paper MoA5.1, August 23-26, 2009.
[3] Q. Wang, C. Cao, and J. Luo, “Quantum Optimal Control on Meson Exchange Effect,” ICCA 09, Newzeland, Paper FrMPo5.5, December 9-11, 2009.
[4] E. Xargay, V. Dobrokhodov, I. Kitsios, I. Kaminer, K. Jones, N. Hovakimyan, C. Cao, M. Lizarraga, and I. Gregory “Flight Validation of a Metrics Driven L1 Adaptive Control in the Presence of General Unmodeled Dynamics,” ?ICCA 09, Newzeland, Paper FrMPo5.13, December 9-11, 2009.
[5] D. Li, N. Hovakimyan, and C. Cao, “L1 Adaptive Controller in the Presence of Input Saturation,” Proceeding of AIAA Guidance, Navigation, and Control Conference, Chicago, Illinois, AIAA-2009-6064, Aug. 2009.
[6] J. Wang, N. Hovakimyan, and C. Cao, “L1 Adaptive Augmentation of Gain-Scheduled Controller for Racetrack Maneuver in Aerial Refueling,” Proceeding of? AIAA Guidance, Navigation, and Control Conference, Chicago, Illinois, AIAA-2009-5739, Aug. 10-13, 2009.
[7] I. Gregory, C. Cao, E. Xargay, N. Hovakimyan, and X. Zou, “L1 Adaptive Control Design for NASA AirSTAR Flight Test Vehicle,” Proceeding of? AIAA Guidance, Navigation, and Control Conference, Chicago, Illinois, AIAA-2009-5738, Aug. 10-13, 2009.
[8] V. Dobrokhodov, I. Kitsios, I. Kaminer, K. Jones, E. Xargay, N. Hovakimyan, C. Cao, M. Lizarraga, and I. Gregory “Preliminary Results of Development, System Integration and Flight Validation of a Metrics Driven L1 Adaptive Control,” Proceedings of the AIAA Infotech@Aerospace Conference, Seattle, Washington, AIAA-2009-2053, Apr. 6-9, 2009.
[9] J. Wang, C. Cao, N. Hovakimyan, “Racetrack Maneuver of Aerial Refueling by L1 Adaptive Controller,” Proceedings of the AIAA Infotech@Aerospace, Seattle, Washington, AIAA-2009-1888, Apr. 6-9, 2009.
[10] I. Kitsios, V. Dobrokhodov, I. Kaminer, K. Jones, E. Xargay, N. Hovakimyan, C. Cao, M. Lizarraga, I. Gregory, N. Nguyen, and K. Krishnakumar, “Experimental Validation of a Metrics Driven L1 Adaptive Control in the Presence of Generalized Unmodeled Dynamics,” AIAA Guidance, Navigation, and Control Conference, Chicago, Illinois, AIAA-2009-6188, Aug. 10-13, 2009.
[11] C. Cao and N. Hovakimyan, “L1 Adaptive Output Feedback Controller for Non Strictly Positive Real Multi-Input Multi-Output Systems in the Presence of Unknown Nonlinearities,” American Control Conference, ?pp. 5138-5143, St. Louis, Missouri, June 10-12, 2009.
[12] Y., Lei, C. Cao, E.M. Cliff, N. Hovakimyan, A. J. Kurdila, and K. A. Wise, “L1 Adaptive Control of a Hypersonic Vehicle with Flexible Body Dynamics,” American Control Conference, pp. 3166-3171, ?St. Louis, Missouri, June 10-12, 2009.
[13] X. Enric, N. Hovakimyan, and C. Cao, “L1 Adaptive Output Feedback Controller for Nonlinear Systems in the Presence of Unmodelled Dynamics,” American Control Conference, pp. 5091 – 5096, St. Louis, Missouri, June 10-12, 2009.
[14] Z. Li, N. Hovakimyan, C. Cao, and G. O. Kaasa, “Integrated Estimator and L1 Adaptive Controller for Well Drilling Systems,” American Control Conference, pp. 1958-1963,? St. Louis, Missouri, June 10-12, 2009.
[15] B. J. Guerreiro, C. Silvestre, R. Cunha, C. Cao, and N. Hovakimyan, “L1 Adaptive Control for Autonomous Rotorcraft,” American Control Conference, pp. 3250 – 3255, St. Louis, Missouri, June 10-12, 2009.
[16] L. Ma, C. Cao, N. Hovakimyan, C. Woolsey, and G. Hu, “Estimation of an Affine Motion,” American Control Conference, pp. 5085-5090, St. Louis, Missouri ,June 10-12, 2009.2008
[1] K. Wise, E. Lavretsky, N. Hovakimyan, C. Cao, and J. Wang, “Verifiable Adaptive Flight Control: UCAV and Aerial Refueling,” AIAA-2008-6658, AIAA Guidance, Navigation and Control Conference, , ?Honolulu, HI, 2008.
[2] M. C. Cotting, C. Cao, N. Hovakimyan, R. Kraus, and W. Durham, “Simulator Testing of Longitudinal Flying Qualities with Adaptive Controller,” AIAA-2008-6551, AIAA Guidance, Navigation and Control Conference, Honolulu, HI, 2008.
[3] V. Dobrokhodov, I. Kitsiois, I. Kaminer, K. Jones, E. Xargay, N. Hovakimyan, C. Cao, M. Lizarraga, and I. Gregory, “Flight Validation of Metrics Driven Adaptive Control,” AIAA-2008-6987, AIAA Guidance, Navigation and Control Conference, Honolulu, HI, 2008.
[4] D. Li, N. Hovakimyan, C. Cao, and K. Wise, “Filter Design for Feedback-loop Trade-off of Adaptive Controller: A Linear Matrix Inequality Approach,” AIAA-2008-6280, AIAA Guidance, Navigation and Control Conference, Honolulu, HI, 2008.
[5] E. Kharisov, I. Gregory, C. Cao, and N. Hovakimyan, “Adaptive Control Laws for Flexible Space Launch Vehicle and Proposed Plan for Flight Test Validation,” AIAA-2008-7128, AIAA Guidance, Navigation and Control Conference, Honolulu, HI, 2008.
[6] P. Aguiar, A. Pascoal, I. Kaminer, V. Dobrokhodov, E. Xargay, N. Hovakimyan, C. Cao, and R. Ghabcheloo, “Time-Coordinated Path Following of Multiple UAVs over Time-Varying Networks using Adaptation,” AIAA-2008-7131, AIAA Guidance, Navigation and Control Conference, Honolulu, HI, 2008.
[7] C. Cao and N. Hovakimyan, “L1 Adaptive Output Feedback Controller for Non Strictly Positive Real Reference Systems with Applications to Aerospace Examples,” AIAA-2008-7288, AIAA Guidance, Navigation, and Control Conference, Honolulu, HI, 2008.
[8] J. Wang, C. Cao, and N. Hovakimyan, “L1 Adaptive Controller for a Missile Longitudinal Autopilot Design”, AIAA-2008-6282, AIAA Guidance, Navigation, and Control Conference, Honolulu, HI, 2008.
[9] L. Ma, C. Cao, A.Young, and N. Hovakimyan, “Motion Estimation via a Zoom Camera,” AIAA-2008-7446, AIAA Guidance, Navigation, and Control Conference, Honolulu, HI, 2008.
[10] L. Ma, C. Cao, and N. Hovakimyan, “Adaptive Vision-Based Guidance Law with Guaranteed Performance Bounds for Tracking a Ground Target with Time-Varying Velocity,” AIAA-2008-7445, AIAA Guidance, Navigation, and Control Conference, Honolulu, HI, 2008.
[11] C. Cao and N. Hovakimyan, “L1 Adaptive Controller for Multi-Input Multi-Output Systems in the Presence of Unmatched Disturbances,” American Control Conference, pp. 4105-4110, Seattle, WA, 2008.
[12] C. Cao and N. Hovakimyan, “L1 Adaptive Controller for a Class of Systems with Unknown Nonlinearities: Part I,” American Control Conference, pp. 4093-4098, Seattle, WA, 2008.
[13] C. Cao and N. Hovakimyan, “L1 Adaptive Controller for Nonlinear Systems in the Presence of Unmodelled Dynamics: Part II,” American Control Conference, pp. 4099-4104, Seattle, WA, 2008.
[14] A. P. Aguiar, I. Kaminer, R. Ghabcheloo, A. M. Pascoal, N. Hovakimyan, C. Cao, and V. Dobrokhodov, “Coordinated Path Following of Multiple UAVs for Time-Critical Missions in the Presence of Time-Varying Communication Topologies,” ?IFAC Congress, Seoul, South Korea, 2008.
2007
[1] C. Cao and N. Hovakimyan, “L1 Adaptive Controller for Systems in the Presence of Unmodelled Actuator Dynamics,” IEEE Conference on Decision and Control, 2007.
[2] Q. Wang and C. Cao, “Control Probems for Nonlinear Systems Given by Klein-Gordon-Maxwell Equations with Electromagnetic Field,” IEEE Conference on Decision and Control, 2007.??
[3] C. Cao and N. Hovakimyan, “Effect of Non-zero Initialization Error on the Performance Bounds in L1 Adaptive Control Architecture,” AIAA-2007-6645, AIAA Guidance, Navigation, and Control Conference, 2007.
[4] L. Ma, C. Cao, N. Hovakimyan, C. Woolsey, V. Dobrokhodov, and I. Kaminer, “Development of a Vision-Based Guidance Law for Tracking a Moving Target,” AIAA-2007-6744, AIAA Guidance, Navigation, and Control Conference, 2007.
[5] V. V. Patel, C. Cao, N. Hovakimyan, K. Wise, and E. Lavretsky, “L1 Adaptive Controller for Tailless Unstable Aircraft in the Presence of Unknown Actuator Failures,” AIAA-2007-6314, AIAA Guidance, Navigation, and Control Conference, 2007.
[6] R. Hindman, C. Cao, N. Hovakimyan, K. Wise, and E. Lavretsky, “Designing of High Performance, Stable L1 Output Feedback Adaptive Controller,” AIAA-2007-6644, AIAA Guidance, Navigation, and Control Conference, 2007.
[7] I. M. Gregory, C. Cao, V. V. Patel, and N. Hovakimyan, “Adaptive Control Laws for Flexible Semi-Span Wind Tunnel Model of High-Aspect Ratio Flying Wing,” AIAA-2007-6525, AIAA Guidance, Navigation, and Control Conference, 2007.
[8] J. Wang, V. V. Patel, C. Cao, N. Hovakimyan, and E. Lavretsky, “Verifiable L1 Adaptive Controller for Aerial Refueling,” AIAA-2007-6313, AIAA Guidance, Navigation, and Control Conference, 2007.
[9] E. Lavretsky, N. Hovakimyan, and C. Cao, “Adaptive Design for Uncertain Systems with Nonlinear-in-Control Dynamics,” AIAA-2007-6503, AIAA Guidance, Navigation, and Control Conference, 2007.
[10] Y. Lei, C. Cao, N. Hovakimyan, A. Kurdila, and E. Cliff, “Design of an L1 Adaptive Controller for Air-breathing Hypersonic Vehicle Model in the Presence of Unmodeled Dynamics,” AIAA-2007-6527, AIAA Guidance, Navigation, and Control Conference, 2007.
[11] V. Dobrokhodov, I. Kaminer, K. Jones, I. Kitsios, C. Cao, L. Ma, and N. Hovakimyan, “Rapid Motion Estimation of a Target Moving with Time-Varying Velocity,” AIAA-2007-6746, AIAA Guidance, Navigation, and Control Conference, 2007.
[12] I. Kaminer, O. Yakimenko, V. Dobrokhodov, N. Hovakimyan, V. V. Patel, C. Cao, and A. Young, “Coordinated Path Following for Time-Critical Missions of Multiple UAVs via L1 Adaptive Output Feedback Controllers,” AIAA-2007-6409, AIAA Guidance, Navigation, and Control Conference, 2007.
[13] D. Li, V. V. Patel, C. Cao, and N. Hovakimyan, “Optimization of the Time-Delay Margin of L1 Adaptive Controller via the Design of the Underlying Filter,” AIAA-2007-6646, AIAA Guidance, Navigation, and Control Conference, 2007.
[14] L. Ma, C. Cao, N. Hovakimyan, and C. Woolsey, “Fast Estimation for Range Identification in the Presence of Unknown Motion Parameters,” ICINCO, 2007.
[15] C. Cao and N. Hovakimyan, “Novel L1 Neural Network Adaptive Control Architecture with Guaranteed Transient Performance,” European Control Conference, 2007.
[16] I. Kaminer, N. Hovakimyan, V. V. Patel, C. Cao, A. Young, and A. M. Pascoal, “Time-Critical Coordinated Path Following for Multiple UAVs via L1 Adaptive Output Feedback Controllers,” European Control Conference, 2007.
[17] C. Cao and N. Hovakimyan, “L1 Adaptive Output Feedback Controller to Systems of Unknown Dimension,” American Control Conference, pp. 1191-1196, 2007.
[18] C. Cao and N. Hovakimyan, “L1 Adaptive Output Feedback Controller for Systems with Time-varying Unknown Parameters and Bounded Disturbances,” American Control Conference, pp. 486-491, 2007.
[19] C. Cao, and N. Hovakimyan, “Guaranteed Transient Performance with L1 Adaptive Controller for Parametric Strict Feedback Systems,” American Control Conference, pp.4786 – 4791, 2007.
[20] E. Lavretsky, C. Cao, and N. Hovakimyan, “Exponential Stability of Gradient Systems with Applications to Nonlinear-in-Control Design Methods,” American Control Conference, pp.6003-6008, 2007.
[21] C. Cao and N. Hovakimyan, “Guaranteed Transient Performance with L1 Adaptive Controller for Systems with Unknown Time-varying Parameters: Part I,” American Control Conference, pp.3925-3930, 2007.
[22] C. Cao and N. Hovakimyan, “Stability Margins of L1 Adaptive Controller: Part II,” American Control Conference, pp.3931-3936, 2007.
[23] C. Cao, N. Hovakimyan, V. V. Patel, I. Kaminer, and V. Dobrokhodov “Stabilization of Cascaded Systems via L1 Adaptive Controller with Application to a UAV Path Following Problem,” American Control Conference, pp.1787-1792, 2007.
[24] L. Ma, C. Cao, N. Hovakimyan, C. Woolsey, and W. E. Dixon, “Range Identification in the Presence of Unknown Motion Parameters for Perspective Vision Systems,” American Control Conference, pp.972-977, 2007.
[25] L. Techy, K. R. Chevva, C. Woolsey, C. Cao, and N. Hovakimyan, “Nonlinear Control of a Novel Two-Link Pendulum,” ?American Control Conference, pp.19-24,2007.
[26] V. V. Patel, C. Cao, N. Hovakimyan, K. A. Wise, and E. Lavretsky, “L1 Adaptive Controller for Tailless Unstable Aircraft,” American Control Conference, pp.5272-5277, 2007.
2006
[1] C. Cao and A. Annaswamy, “A Polynomial Adaptive Controller for Nonlinearly Parameterized Systems,” ?IEEE Conference on Decision and Control, pp. 1081-1086, 2006.
[2] N. Hovakimyan, E. Lavretsky, and C. Cao, “Adaptive Dynamic Inversion via Time-Scale Separation,” ?IEEE Conference on Decision and Control, pp. 1075-1080, 2006.
[3] A. Young, C. Cao, N. Hovakimyan, and E. Lavretsky, “An Adaptive Approach to Non-affine Control Designs for Aircraft Applications,” AIAA-2006-6343, AIAA Guidance, Navigation, and Control Conference, 2006.
[4] R. Beard, C. Cao, and N. Hovakimyan, “An L1 Adaptive Pitch Controller for Miniature Air Vehicles,” AIAA-2006-6777, AIAA Guidance, Navigation, and Control Conference, 2006.
[5] C. Cao, V. V. Patel, K. Reddy, N. Hovakimyan, E. Lavretsky, and K. Wise, “Are the Phase and Time-delay Margins Always Adversely Affected by High-gain,” AIAA-2006-6347, AIAA Guidance, Navigation, and Control Conference, 2006.
[6] J. Wang, C. Cao, N. Hovakimyan, and E. Lavretsky, “Neural Network Based Adaptive Approach to Autonomous Aerial Refuelling with Guaranteed Transient Performance,” AIAA-2006-6206, AIAA Guidance, Navigation, and Control Conference, 2006.
[7] C. Cao, N. Hovakimyan, and J. Evers, “Active Control of Visual Sensor for Aerial Tracking,” AIAA-2006-6610, AIAA Guidance, Navigation, and Control Conference, 2006.
[8] L. Ma, V. Stepanyan, C. Cao, I. Faruque, C. Woolsey, and N. Hovakimyan, “Flight Test Bed for Visual Tracking of Small UAVs,” AIAA-2006-6609, AIAA Guidance, Navigation, and Control Conference, 2006.
[9] C. Cao, N. Hovakimyan, and E. Lavretsky, “Application of L1 Adaptive Controller to Wing Rock,” AIAA-2006-6426, AIAA Guidance, Navigation, and Control Conference, 2006.
[10] C. Cao, and N. Hovakimyan, “Design and Analysis of a Novel L1 Adaptive Controller with Guaranteed Transient Performance – Part I: Control Signal and Asymptotic Stability,” American Control Conference, pp. 3594-3599, 2006.
[11] C. Cao, and N. Hovakimyan, “Design and Analysis of a Novel L1 Adaptive Controller with Guaranteed Transient Performance – Part II: Guaranteed Transient Performance,” American Control Conference, pp. 3397-3402, 2006.
[12] N. Hovakimyan, E. Lavretsky, and C. Cao, “Dynamic Inversion for Multivariable Nonaffine-in-Control Systems via Time-Scale Separation,” American Control Conference, pp. 3594-3599, 2006.
[13] J. Wang, C. Cao, N. Hovakimyan, and E. Lavretsky, “Novel L1 Adaptive Control Approach to Autonomous Aerial Refueling with Guaranteed Transient Performance,” American Control Conference, pp.3569-3574, 2006.
[14] A. Young, C. Cao, N. Hovakimyan, and E. Lavretsky, “Control of a Double-Pendulum System via Dynamic Inversion and Time-Scale Separation,” American Control Conference, pp.1820-1825, 2006.2005 and previous
?[1] C. Cao, J. Wang, and N. Hovakimyan, “Adaptive Extremum Seeking Using Intelligent Excitation,” 2005 ISIC-MED, pp. 225-230, 2005.
[2] C. Cao and N. Hovakimyan, “Vision-based Tracking using Intelligent Excitation,” American Control Conference, pp. 5091-5096, 2005.
[3] C. Cao, A. Annaswamy, and N. Hovakimyan “A Polynomial Adaptive Controller for Discretely Parameterized Systems,” American Control Conference, pp 2070-2075, 2005.?
[4] C. Cao and A. Annaswamy, “A Polynomial Adaptive Estimator for Nonlinearly Parameterized Systems,” American Control Conference, pp 584-589, 2004.
[5] C. Cao and A. Annaswamy, “A Dead-zone Based Adaptive Filter for Systems with Unknown Parameters,” American Control Conference, pp 5400-5405, 2004.
[6] C. Cao and A. Annaswamy, “Conditions for Existence of Global and Local Minima in Neural Networks,” 12th Yale Workshop on Adaptive and Learning Systems, July, 2003.
[7] C. Cao and A. Annaswamy, “Parameter Convergence in System with a General Nonlinear Parameterization Using a Hierarchical Algorithm,” American Control Conference, pp.382-387, 2002.
[8] A. Kojic, C. Cao, and A. Annaswamy, “Parameter Convergence in Systems with Convex/concave Parameterization”, American Control Conference, pp. 2240-2244, 2000.
[9] A. Annaswamy, H. Nhut, C. Cao, and A. Kojic, “A Convergent Frequency Estimator,” American Control Conference, pp. 2235-2239, 2000.
