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New adaptive quasi-sliding mode control for nonlinear discrete-time systems |
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| Authors: | Wang Weihong Hou Zhongsheng |
| Institution: | 1. School of Traffic and Transportation,Beijing Jiaotong Univ.,Beijing 100044,P.R.China;Dept.of Automation,Taiyuan Univ.of Science & Technology,Taiyuan 030024,P.R.China 2. Advanced Control Systems Lab,School of Electronics and Information Engineering,Beijing Jiaotong Univ,Beijing 100044,P.R.China |
| Abstract: | A new adaptive quasi-sliding mode control algorithm is developed for a class of nonlinear diecrete-time systems,which is especially useful for nonlinear systems with vaguely known dynamics.This design is model-free,and is based directly on pseudo-partial-derivatives derived on-line from the input and output information of the system using an improved recursive projection type of identification algorithm.The theoretical analysis and simulation results show that the adaptive quasi-sliding mode control system is stable and convergent. |
| Keywords: | quasi-sliding mode control adaptive control model-free control pseudo-partial-derivative |
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