期刊
INFORMATION SCIENCES
卷 567, 期 -, 页码 298-311出版社
ELSEVIER SCIENCE INC
DOI: 10.1016/j.ins.2021.02.050
关键词
Adaptive fuzzy control; Command filtered control; Barrier Lyapunov functions; Full state constraints; Permanent magnet synchronous motors
资金
- National Key Research and Development Plan [2017YFB1303503]
- National Natural Science Foundation of China [61973179]
- Taishan Scholar Special Project Fund [TSQN20161026]
- Qingdao key research and development special project [21126nsh]
An adaptive fuzzy control scheme based on command filtering is proposed for the position tracking control of PMSM stochastic system with full state constraints. Fuzzy logic systems are employed to approximate unknown stochastic nonlinear functions, while barrier Lyapunov functions are constructed to ensure that all states of the system do not violate its constrained boundary. The scheme solves the problem of complexity in traditional design and introduces error compensation mechanism to reduce filtering errors.
In this article, an adaptive fuzzy control scheme based on command filtering is proposed for the position tracking control of permanent magnet synchronous motor (PMSM) stochastic system with full state constraints. Firstly, fuzzy logic systems are employed to approximate unknown stochastic nonlinear functions in PMSM stochastic system. Then, the barrier Lyapunov functions are constructed to ensure that all states of the system do not violate its constrained boundary. In addition, the problem of explosion of complexity in traditional backstepping design is solved by using the command filtering technique and the error compensation mechanism is introduced to reduce filtering errors. At last, the effectiveness of the scheme is illustrated by simulation results. (c) 2021 Elsevier Inc. All rights reserved.
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