| Robust sliding mode control for uncertain discrete time systems |
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| 作者姓名： | 瞿少成 |
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| 作者单位： | QU Shaocheng 1，2，WANG Yongji 1 1Huazhong University of Science and Technology，Wuhan，Hubei 430074，P.R. China 2Insitute of Physics and Information of Jianhan University，Wuhan，Hubei 430012，P.R. China Received 15 July 2003; revised 25 November 2003 |
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| 基金项目： | Funded by the Natural Science Foundation of China (No.60274020，and 69974017)，Hebei Natural Science Foundation (No. 602621) and Guangxi Natural Science Foundation (No. 0135065). |
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| 摘 要： | 1. Introduction Sliding mode variable structure control (SMVSC) as a general design approach for a robust control system is well established. In recent years, a considerable amount of effort has been put into studying discrete sliding variable structure control (DSMVSC) with the development and application of computer 1-4]. However, theoretically speaking, DSMVSC can not be obtained from the continuous counterpart by means of simple equivalence 4]. Most of the research on DSMVSC f…
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Robust sliding mode control for uncertain discrete time systems |
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| QU Shaocheng,WANG Yongji Huazhong University of Science and Technology,Wuhan,Hubei,P.R. China Insitute of Physics and Information of Jianhan University,Wuhan,Hubei,P.R. China Received July,revised November.Robust sliding mode control for uncertain discrete time systems[J].Journal of Chongqing University,2003,2(2). |
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| Authors: | QU Shaocheng WANG Yongji Huazhong University of Science and Technology Wuhan Hubei PR China Insitute of Physics and Information of Jianhan University Wuhan Hubei PR China Received July revised November |
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| Institution: | 1. Huazhong University of Science and Technology, Wuhan, Hubei 430074, P.R.China;Insitute of Physics and Information of Jianhan University, Wuhan, Hubei 430012, P.R.China
2. Huazhong University of Science and Technology, Wuhan, Hubei 430074, P.R.China |
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| Abstract: | A novel variable structure control (VSC) strategy with a dynamic disturbance compensator based on the reaching law for a class of uncertain discrete systems is presented. The robust stability to disturbance and the system dynamics in the vicinity of the switching plane are studied. A measure of the uncertain parameters and external disturbance is obtained through delaying every sampling time. Theoretical analysis and experimental simulation results demonstrate that the dynamic performance and robustness of the closed-loop system are improved effectively. |
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| Keywords: | discrete time systems sliding mode control reaching law robustness |
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