期刊
INTERNATIONAL JOURNAL OF CONTROL AUTOMATION AND SYSTEMS
卷 20, 期 12, 页码 4050-4058出版社
INST CONTROL ROBOTICS & SYSTEMS, KOREAN INST ELECTRICAL ENGINEERS
DOI: 10.1007/s12555-021-0900-8
关键词
Fuzzy controller; linear matrix inequality; T-S fuzzy systems; unknown membership functions
This paper focuses on the controller design problem for discrete-time T-S fuzzy systems with partially unknown membership functions. By proposing a new type of fuzzy controller and providing some stabilization conditions, it addresses the control problem when the membership functions are partially unknown.
This paper is concerned with the controller design problem for discrete-time T-S fuzzy systems with partially unknown membership functions. If the membership functions are partially unknown, then the existing stabilization conditions which are based on the parallel distributed compensator (PDC) strategy cannot be applied. To tackle this problem, a new type of fuzzy controller is proposed to close the feedback loop. Based on this new type fuzzy controller, some sufficient stabilization conditions, including membership-function-dependent and independent conditions, are given in the form of LMIs. Finally, two examples are given to illustrate the the effectiveness of the proposed fuzzy controller design approaches.
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