期刊
IEEE TRANSACTIONS ON SYSTEMS MAN CYBERNETICS-SYSTEMS
卷 51, 期 2, 页码 954-964出版社
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/TSMC.2018.2884565
关键词
Exponential stability; Levy noises; Markovian jumping systems (MJSs); sliding mode control (SMC); sliding mode surface (SMS)
资金
- National Natural Science Foundation of China [61673257, 11501367, 61573095]
This paper discusses exponential stability in mean square for Markovian jumping systems (MJSs) and proposes a new dynamic model involving parameters uncertainties, nonlinearities, and Levy noises. An adaptive sliding mode controller is built to study the stability of this complex model. By establishing an integral-type sliding mode surface and providing an adaptive sliding mode control law, sufficient conditions for exponential stability in mean square are obtained and validated through numerical and practical simulations.
In this paper, the exponential stability in mean square for Markovian jumping systems (MJSs) is discussed. A new dynamic model, which involves parameters uncertainties, nonlinearities, and Levy noises, is proposed. Moreover, an adaptive sliding mode controller is built to study the stability of such a complex model. First, an integral-type sliding mode surface (SMS) is established to obtain the sliding mode motion dynamics of MJSs. By the generalized Ito formula and the Lyapunov stability theory, some sufficient conditions are obtained to make sure the exponential stability in mean square for the sliding mode motion dynamics. Second, an adaptive sliding mode control law is provided to assure the reachability of the specified SMS. Furthermore, corresponding parameters of the sliding mode controller and the SMS can be got by solving the convex optimization problem. Finally, the validity of the stability results obtained is illustrated by a numerical simulation and a practical simulation.
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