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已有 260 次阅读 2021-5-19 15:04 |系统分类:博客资讯


Control Systems with Actuator Saturation: Dealing with Saturation Nonlinearities and Constructing Lyapunov Functions





For an exponentially unstable linear system subject to actuator saturation, only local stabilization can be achieved. A natural and fundamental problem associated local stabilization is the determination and enlargement of the domain of attraction. This problem involves there presentation of the saturation nonlinearity and the construction of Lyapunov functions. 

This talk will illustrate how various representations of the saturation nonlinearity and constructions of Lyapunov functions will result in different degrees of conservatism in estimating the domain of attraction under a given linear state feedback law and in enlarging the domain of attraction by the design of the feedback gain.



Zongli Lin is the Ferman W.Perry Professor in the School of Engineering and Applied Science and a Professor of Electrical and Computer Engineering at the University of Virginia. He received his B.S. degree in Mathematics and Computer Science from Xiamen University, Xiamen, China, in 1983, his Master of Engineering degree in automatic control from Chinese Academy of Space Technology, Beijing, China, in 1989, and his Ph.D. degree in electrical and computer engineering from Washington State University, Pullman, Washington, in 1994. His current research interests include nonlinear control, robust control, and control applications.

Professor Lin has served on the editorial boards of several journals, including those of IEEE Transactions on Automatic Control, IEEE/ASME Transactions on Mechatronics, IEEE Control Systems Magazine, and IEEE/CAA Journal of Automatica Sinica. He was elected a member of the Board of Governors of the IEEE Control Systems Society (2008-2010 and 2019-2021) and chaired the IEEE Control Systems Society Technical Committee on Nonlinear Systems and Control (2013-2015). He has also served on the operating committees of several conferences and was the program chair of the 2018 American Control Conference and a general chair of the 13th and 16th International Symposia on Magnetic Bearings, held in 2012 and 2018, respectively. He currently serves on the editorial boards of several journals and book series, including Automatica, Systems & Control Letters, Science China Information Sciences, and Springer/Birkhauser book series Control Engineering. He is a Fellow of IEEE, IFAC, AAAS and CAA.



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