Sliding mode variable structure control for parameter uncertain stochastic systems with time-varying delay |
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Authors: | Hailong Xing C.C. Gao |
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Affiliation: | a Department of Mathematics, Ocean University of China, Qingdao 266071, China b Department of Thermal Engineering, Tsinghua University, Beijing 100084, China |
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Abstract: | In this paper, the variable structure control problem for a class uncertain of stochastic system with time-varying delay is investigated. Firstly, a new concept of the subordinated reachability of the sliding motion is introduced to approach approximately the specified sliding surface. The variable structure control law is then proposed to ensure that the sliding motion is subordinated reachable. Furthermore, a sufficient condition for mean-square asymptotical stability of the sliding motion is given. Finally, a numerical example is presented to demonstrate the effectiveness of the obtained results. |
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Keywords: | Mean-square stability Variable structure control Uncertain Time-varying delay |
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