Sliding mode identifier for parameter uncertain nonlinear dynamic systems with nonlinear input |
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| Authors: | Zhang Ke-qin Zhuang Kai-yu Su Hong-ye Chu Jian Gao Hong |
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| Institution: | (1) National Laboratory of Industrial Control Technology, Institute of Advanced Process Control, Zhejiang University, 310027 Hangzhou, China;(2) State Key Laboratory of Fluid Power Transmission and Control, Zhejiang University, 310027 Hangzhou, China |
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| Abstract: | This paper presents a sliding mode (SM) based identifier to deal with the parameter identification problem for a class of
parameter uncertain nonlinear dynamic systems with input nonlinearity. A sliding mode controller (SMC) is used to ensure the
global reaching condition of the sliding mode for the nonlinear system; an identifier is designed to identify the uncertain
parameter of the nonlinear system. A numerical example is studied to show the feasibility of the SM controller and the asymptotical
convergence of the identifier.
Project supported by the National Natural Science Foundation of China(No. 69974035) and Zhejiang Provincial Natural Science
Key Foundation of China (ZD9905) |
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| Keywords: | Nonlinear system Sliding mode Identifier Input nonlinearity |
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