Publications Conference papers

Conference papers

	G. Gu and L. Qiu, "Networked stabilization of multi-input systems with channel resource allocation", Preprints of the 17th IFAC World Congress, Seoul, Korea, July 2008.
	W.-C. Gan and L. Qiu, "An adaptive sinusoidal disturbance rejection controller for single-input-single-output systems", Preprints of the 17th IFAC World Congress, Seoul, Korea, July 2008.
	W. Su, I. R. Petersen, L. Qiu, "Tracking performance limitations in a linear feedback system with remote sensors" Preprints of the 17th IFAC World Congress, Seoul, Korea, July 2008.
	G. Gu and L. Qiu, "An H1 approach to robust adaptive control", Proc. 46th IEEE Conf. on Decision and Control, pp. 903-908, Dec 2007.
	J. Wang, W. C. Gan and L. Qiu, "A gain scheduled controller for sinusoidal ripple elimination of AC PM motor systems", Proc. 15th Mediterranean Conference on Control & Automation, June 2007.
	N. Yu and L. Qiu, "A mixed H_2/H_infinity control problem with controller degree constraint", Proc. 45th IEEE Conf. on Decision and Control, pp. 5365-5370, 2006.
	N. Yu and L. Qiu, "A LQG Control problem with degree and robustness constraints", Proc. 25th Chinese Control Conference, 2006.
	Y. Zhang and L. Qiu, On the angular metrics between linear subspaces", Proc. Symposium of Mathematical Theory of Networks and Systems, 2006.
	W. Su, L. Qiu and J. Chen, On performance limitation in tracking a sinusoid", Proc. 44th IEEE Conf. on Decision and Control, pp. 6204-6209, 2005.
	D. E. Miller and L. Qiu, Near optimal H-inf tracking for a compact set of plants", Proc. 44th IEEE Conf. on Decision and Control, pp. 7888-7893, 2005.
	W. Su, L. Qiu and I. R. Peterson, Tracking performance limitations under disturbance or uncertainty", Reprints of the 16th IFAC World Congress, 2005.
	W. C. Gan and L. Qiu, A gain scheduled robust regulator for torque ripple elimination of AC permanent magnet motor systems", Proc. of IEEE International Conference on Control Applications, pp. 284-289, 2004.
	X. Zhao and L. Qiu, Robust stabilization using Jury table", Proc. Annual Conference of Japan Society of Instrument and Control Engineers (SICE), pp. 1638-1643, 2004.
	X. Zhao and L. Qiu, Solutions to Nehari and Hankel approximation problems using orthonormal rational functions", Proc. American Control Conference, 2004.
	P. Fu, X. Zhao, L. Qiu, Solution to the Nehari problem using the Routh table", Proc. 12th Mediterranean Conference on Control and Automation (MED'04), 2004.
	W. Su, W. X. Zheng, L. Qiu, Performance limitation in random sinusoidal signal estimation", Proc. 5th World Congress of Intelligent Control and Automation, 2004.
	L. Qiu and K. Zhou, “Pre-classical tools for post-modern control”, Proc. 42nd IEEE Conf. on Decision and Control, 2003.
	X. Zhao and L. Qiu, “Orthonormal rational functions via the Jury table and their applications”, Proc. 42nd IEEE Conf. On Decision and Control, 2003.
	L. Qiu, “What can Routh table offer in addition to stability?”, 4th IFAC Symposium on Robust Control design, 2003.
	W. Su, L. Qiu and J. Chen, “Performance limitations of discrete-time systems in tracking sinusoidal signals”, Proc. 2003 American Control Conference, pp. 423-428, 2003.
	W. Su, L. Qiu, and J. Chen, “Fundamental Performance limitations in tracking sinusoidal signals”, Proc. 2003 American Control Conference, 5335-5340, 2003.
	G. Gu and L. Qiu, “Uncertainty equivalence principle and H∞-based robust adaptive control”, Proc. 41st IEEE Conf. on Decision and Control, pp. 3055-3060, 2002.
	L. Chai and L. Qiu, “Multirate periodic systems, ν-gap metric and robust stabilization”, Proc. 41st IEEE Conf. on Decision and Control, pp. 3718-3723, 2002.
	J. Chen, S. Hara, L. Qiu, and R. Middleton, “Best achievable tracking performance in sampled-data control systems”, Proc. 41st IEEE Conf. on Decision and Control, pp. 3889-3894, 2002.
	W. C. Gan and L. Qiu, “A plug-in robust compensator for indirect field-oriented control induction machine drives”, Reprints of the 15th IFAC World Congress, 2002.
	L. Qiu, “Postmodern control, classical language”, The 3rd IEEE International Conference on Control Theory & Applications, pp. 187--191, 2001.
	G.-H. Yang and L. Qiu, “Optimal symmetric H2 controller for systems with collocated sensors and actuators'', Proc. 40th IEEE Conf. on Decision and Control, pp. 3093--3098, 2001.
	G. Chen, J. Chen, and L. Qiu, “Extended argument principle and integral design constraints, part II: new integral relations”, Proc. 40th IEEE Conf. on Decision and Control, pp. 3081--3086, 2001.
	W. C. Gan, N. C. Cheung, and L. Qiu, “Short distance position control for linear switched reluctance motors: a plug-in robust compensator approach”, Proc. 36th Annual Meeting of IEEE Industrial Applications Society, pp. 2329--2336, 2001.
	K. Tan, L. Chai, and L. Qiu, “Robust stabilization of periodic and multirate systems with gap and ν-gap uncertainty”, Preprints of the IFAC Workshop on Periodic Control Systems, pp. 109--114, 2001.
	L. Chai and L. Qiu, “Model validation of multirate systems from time-domain experimental data”, Proc. American Control Conference, pp. 5047--5051, 2001.
	J. Chen, Z. Ren, S. Hara, and L. Qiu, “Optimal tracking performance: preview control and exponential Signals”, Proc. 39th IEEE Conf. on Decision and Control, pp. 1924--1929, 2000.
	G. Chen, J. Chen, Z. Ren, L. Qiu, “Extended argument principle and integral design constraints: Part I: A unified formula for classical results”, Proc. 39th IEEE Conf. on Decision and Control, pp. 4984--4989, 2000.
	Z. Ding and L. Qiu, “Properties of matrix polynomials and MIMO channel identifiability from second order statistics”, Proc. 39th IEEE Conf. on Decision and Control, pp. 4302--4307, 2000.
	L. Chai and L. Qiu, “Topics on multirate systems: frequency response, interpolation, model validation”, Proc. 39th IEEE Conf. on Decision and Control, pp. 4290--4295, 2000.
	L. Qiu and D. E. Miller, “Stabilization of linear systems with input constraints”, Proc. 39th IEEE Conf. on Decision and Control, pp. 3272--3277, 2000.
	W. C. Gan and L. Qiu, “A plug-in robust compensator for speed control enhancement of an indirect field-oriented induction machine drive”, Proc. 6th International Conference on Control, Automation, Robotics and Vision, 2000.
	L. Chai and L. Qiu, “Model validation of multirate systems from time-domain experimental data”, Proc. 3rd World Congress of Intelligent Control and Automation, pp. 2835--2840, 2000.
	W. C. Gan and L. Qiu, “Robust two degree of freedom regulators for velocity ripple elimination of AC permanent magnet motors”, Proc. of IEEE Conference on Control Applications, pp. 156--161, 2000.
	W. C. Gan and L. Qiu, “Velocity ripple elimination of AC permanent magnet motor by using the internal model principle control”, Proc. 3rd International Power Electronics and Motion Control Conference, pp. 346--352, 2000.
	L. Chai and L. Qiu, “On a constrained Hermite-Fejér interpolation problem”, Proc. Symposium of Mathematical Theory of Networks and Systems, pp. 197--200, 2000.
	Z. Ren, L. Qiu and J. Chen, Performance limitations in estimation, Proc. 38th IEEE Conf. on Decision and Control, pp. 3204--3209, 1999.
	L. Qiu, “On the generalized eigenspace approach for solving Riccati equations”, Reprints of the 14th IFAC World Congress, vol. D, pp. 281--286, 1999.
	K. Tan and L. Qiu, “A state space solution to the robust stabilization problem of discrete-time multirate systems”, Reprints of the 14th IFAC World Congress, vol, G, pp. 365--370, 1999.
	L. Chai, Y. Y. Cao, Y. X. Sun, and L. Qiu, “Model predictive control for sampled-data systems”, Reprints of the 14th IFAC World Congress, vol, D, pp. 177--182, 1999.
	T. Hu, L. Qiu, and Z. Lin, “Stabilization of exponentially unstable linear systems with input saturation”, Proc. Symposium of Mathematical Theory of Networks and Systems, pp. 197--200, 1998.
	L. Qiu and T. Chen, “Unitary dilation approach to contractive matrix completion”, Proc. Symposium of Mathematical Theory of Networks and Systems, pp. 523--526, 1998.
	L. Qiu and J. Chen, “Time domain performance limitations of feedback control”, Proc. Symposium of Mathematical Theory of Networks and Systems, pp. 369--372, 1998.
	T. Hu, D. E. Miller, and L. Qiu, “Controllability regions of LTI discrete-time systems with input saturation”, Proc. 37th IEEE Conf. on Decision and Control, pp. 389--394, 1998.
	T. Hu, L. Qiu, and Z. Lin, “Stabilization of LTI systems with planar anti-stable dynamics using saturated linear feedback”, Proc. 37th IEEE Conf. on Decision and Control, pp. 371--376, 1998.
	T. Hu and L. Qiu, “The controllability and stabilization of unstable LTI systems with input saturation”, Proc. 36th IEEE Conf. on Decision and Control, pp. 4498-4503, 1997.
	L. Qiu and K. Tan, “Direct state space solution of multirate sampled-data H2 optimal control”, Proc. 2nd Asian Control Conference, 1997.
	T. Chen, L. Qiu, and E. Bai, “General dual-rate systems as multirate building blocks”, Proc. of International Workshop on Sampling Theory and Applications (Sampta'97), pp. 61--66, 1997.
	T. Chen, L. Qiu, and E. Bai, “General multirate building blocks and their application in nonuniform filter banks”, Proc. IEEE International Symposium on Circuits and Systems, pp. 2349--2352, 1997.
	E. W. Bai, L. Qiu, and R. Tempo, “Unfalsified weighted least squares estimates in set-membership identification”, Proc. 1997 American Control Conf., 1997.
	J. Chen, L. Qiu, and O. Toker, “Limitation on maximal tracking accuracy, part 2: tracking sinusoidal and ramp signals”, Proc. 1997 American Control Conf., pp. 1757--1761, 1997.
	O. Toker, J. Chen, and L. Qiu, “Tracking performance limitations for multivariable discrete time systems”, Proc. 1997 American Control Conf., pp. 3887--3891, 1997.
	T. Chen and L. Qiu, “Linear periodically time-varying discrete-time systems: aliasing and LTI approximations”, Proc. 35th IEEE Conf. on Decision and Control, pp. 2677-2682, 1996.
	J. Chen, L. Qiu, and O. Toker, “Limitations on maximal tracking accuracy”, Proc. 35th IEEE Conf. on Decision and Control, pp. 726--731, 1996.
	T. Hu and L. Qiu, “Complex and real performance radii and their computation”, Proc. 35th IEEE Conf. on Decision and Control, pp. 1851--1856, 1996.
	L. Qiu, T. Chen, A. Potvin, J. Gu, K. Tan, Y. Sun, H. Shu, “Development of MATLAB tools and case study for multirate control design”, Proc. 35th IEEE Conf.\ on Decision and Control, pp. 1278--1283, 1996.
	G. Gu and L. Qiu, “Connection of multiplicative or relative perturbation in coprime factors and gap metric uncertainty”, Reprints of the 13th IFAC World Congress, vol. H, pp. 279--284, 1996.
	L. Qiu and T. Chen, “On entropy of continuous-time periodic systems”, Reprints of the 13th IFAC World Congress, vol. G, pp. 167--172, 1996.
	X. Cao, X. Yuan, and L. Qiu, “A single sample path-based performance sensitivities formula for Markov chains”, Reprints of the 13th IFAC World Congress, vol. J, pp. 371--376, 1996.
	L. Qiu, “On the robustness of symmetric systems”, Proc. 34th IEEE Conf. on Decision and Control, pp. 2659-2660, 1995.
	L. Qiu, “Robust control for lp gap perturbations”, Proc. 1995 European Control Conf., pp. 1020-1025, 1995.
	L. Qiu and T. Chen, “Multirate Sampled-data systems: all H∞ suboptimal controllers and the minimum entropy Controller”, Proc. 33rd IEEE Conf. on Decision and Control, pp. 3707--3712, 1994.
	L. Qiu, A. L. Tits, and Y. Yang, “On the computation of the real Hurwitz-stability radius”, Proc. 33rd IEEE Conf. on Decision and Control, pp. 1905--1906, 1994.
	L. Qiu, “A necessary and sufficient condition for the robust stability of feedback systems with lp gap uncertainty”, Proc. 1994 Hong Kong International Workshop on New Directions of Control and Manufacturing, pp. 178-184, 1994.
	L. Qiu and T. Chen, “On characterizing all multirate controllers that satisfy an H∞ norm bound”, Proc. First Asian Control Conf., vol. 3, pp. 69-72, 1994.
	T. Chen and L. Qiu, H∞ design of general multirate sampled-data control systems”, Proc. 32nd IEEE Conf. on Decision and Control, pp. 315-320, 1993.
	L. Qiu, B. Bernhardsson, A. Rantzer, E. J. Davison, P. M. Young, and J. C. Doyle, “On the real structured stability radius”, Reprints of the 12th IFAC World Congress, vol. 8, pp. 71--78, 1993.
	L. Qiu and T. Chen, “H2 and H∞ designs of multirate sampled-data systems”, Proc. 1993 American Control Conf., pp. 435--440, 1993.
	L. Qiu, “Robust stability of feedback systems on Banach spaces”, Proc. 31st IEEE Conf. on Decision and Control, pp. 382--383, 1992.
	L. Qiu and E. J. Davison, “An improved bound on the real stability radius”, Proc. 1992 American Control Conf., pp. 588--589, 1992.
	L. Qiu and E. J. Davison, “Pointwise gap metrics on transfer matrices”, Proc. 29th IEEE Conf. on Decision and Control, pp. 2431--2436, 1990.
	L. Qiu and E. J. Davison, “Performance limitations of non-minimum phase systems”, Reprints of the 11th IFAC World Congress, vol. 2, pp. 322--327, 1990.
	L. Qiu and E. J. Davison, “Tensor product method in stability robustness analysis”, Proc. 1990 American Control Conf., pp. 2527--2532, 1990.
	L. Qiu and E. J. Davison, “A unified approach for the stability robustness of polynomials in a convex set”, Proc. 28th IEEE Conf. on Decision and Control, pp. 30--36, 1989.
	L. Qiu and E. J. Davison, “The stability robustness of generalized eigenvalues”, Proc. 28th IEEE Conf. on Decision and Control, pp. 1902--1907, 1989.
	L. Qiu and E. J. Davison, “A simple procedure for the exact stability robustness computation of polynomials with affine coefficient perturbations”, Proc. IEEE International Conf. on Systems Engineering, pp. 503--507, 1989.
	L. Qiu and E. J. Davison, “A new method for the stability robustness determination of state space models with real perturbations”, Proc. 27th IEEE Conf. on Decision and Control, pp. 538--543, 1988.
	L. Qiu and E. J. Davison, “Computation of the stability robustness of large state space models with real perturbations”, Proc. 27th IEEE Conf. on Decision and Control, pp. 1380--1385, 1988.
	L. Qiu and E. J. Davison, “New perturbation bounds for the robust stability of linear state space models”, Proc. 25th IEEE Conf. on Decision and Control, pp. 751--755, 1986.

Copyright © 2006 Dr. Li Qiu. All rights reserved.