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        Higher Order Sliding Mode Based Observers for the Systems with Unknown Inputs

        發布時間:2019-06-18 16:15:25 發布人:宋芳  審核人:李天鎮

        講座題目:Higher Order Sliding Mode Based Observers for the Systems with Unknown Inputs

        主 講 人:Leonid Fridman教授

        講座時間: 2018年6月25日上午9:00——11:00



        A high-order sliding-mode observer (HOSM) is designed for linear systems with unknown inputs. The concepts of strong observability and strong detectability are studied and their relation with the relative degree of a plant is established. High-order sliding-mode-based observers for linear time-invariant systems with unknown inputs satisfying the condition of strong observability for strong detectability are developed. Then a cascade scheme ensuring robust exact observation containing a stabilizers in cascade with HOSM differentiators is discussed. The possibilities of usage of this scheme for different cases of LTI, LTV and nonlinear systems, parameters identifications and uncertainties compensation. are discussed.

        Leonid Fridman教授簡歷:

        Leonid Fridman received an M.S. degree in mathematics from Kuibyshev (Samara) State University, Samara, Russia, in 1976, a Ph.D. degree in applied mathematics from the Institute of Control Science, Moscow, Russia, in 1988, and a Dr. Sc. degree in control science from Moscow State University of Mathematics and Electronics, Moscow, Russia, in 1998. From 1976 to 1999, he was with the Department of Mathematics, Samara State Architecture and Civil Engineering University. From 2000 to 2002, he was with the Department of Postgraduate Study and Investigations at the Chihuahua Institute of Technology, Chihuahua, Mexico. In 2002, he joined the Department of Control Engineering and Robotics, Division of Electrical Engineering of Engineering Faculty at National Autonomous University of Mexico (UNAM), Mexico.

        His research interests are Variable Structure Systems. He is an author and editor of ten books and seventeen special issues devoted to the sliding mode control. He is a winner of Scopus prize for the best cited Mexican Scientists in Mathematics and Engineering 2010. He was working as an invited professor in 20 universities and research laboratories of Argentina, Australia, Austria, France, China, Germany, Italy, Israel, and Spain.