-- Adaptive Asymptotic Control of Multivariable Systems Based on a One-Parameter Estimation Approach
报告题目：Adaptive Asymptotic Control of Multivariable Systems Based on a One-Parameter Estimation Approach
报 告 人：温长云 教授（IEEE Fellow）
In adaptive control of uncertain multivariable systems, the involved adaptive law is usually designed to estimate a number of unknown parameters. Hence, this process may excessively require large amount of computational cost, which may degrade system performances, particularly for the case of online updating of parameter estimates. Thus it is an important task to reduce the number of parameters to be estimated. Subject to meeting the requirement of ensuring asymptotic stability for closed loop systems, an adaptive law that only estimates one parameter is designed. This is achieved by incorporating a newly proposed dynamic loop gain function based approach with the backstepping control design procedure. A bound for the tracking error is also explicitly established in term of L_2 norm, which helps improve the transient performance by selecting the control parameters.
Changyun Wen received B.Eng. degree from Xi’an Jiaotong University, China in 1983 and Ph.D. degree from the University of Newcastle, Australia in 1990. From August 1989 to August 1991, he was a Postdoctoral Fellow at University of Adelaide. Since August 1991, he has been with School of EEE, Nanyang Technological University, where he is currently a Full Professor. His main research activities are in the areas of control systems and applications, intelligent power management system, smart grids, cyber-physical systems, model based online learning and system identification.
He is an Associate Editor of a number of journals including Automatica, IEEE Transactions on Industrial Electronics and IEEE Control Systems Magazine. He is the Executive Editor-in-Chief, Journal of Control and Decision. He served the IEEE Transactions on Automatic Control as an Associate Editor from January 2000 to December 2002. He has been actively involved in organizing international conferences playing the roles of General Chair, General Co-Chair, Technical Program Committee Chair, Program Committee Member, General Advisor, Publicity Chair and so on. He received the IES Prestigious Engineering Achievement Award 2005 from the Institution of Engineers, Singapore (IES) in 2005.
He is a Fellow of IEEE, a member of IEEE Fellow Committee from January 2011 to December 2013 and a Distinguished Lecturer of IEEE Control Systems Society from February 2010 to February 2013.