Fuzzy Adaptive Control of Uncertain MIMO Chaotic Systems with Unknown Control Direction

Hua Zhang and Shenggang Li

Complexity, 2021, vol. 2021, 1-9

Abstract: This paper presents an adaptive controller for MIMO chaotic systems with system uncertainties and unknown control direction. In the controller design, the matrix decomposition theory is used, and we decompose the control gain matrix into a positive matrix, a diagonal matrix whose diagonal entries are +1 or −1, and a unity upper triangular matrix. To handle the unknown control direction (i.e., the unknown sign of the control gain matrix), we use the Nussbaum-type function. In addition, we propose an adaptation law named proportional integral (PI) law to update the parameters of the fuzzy system. The stability of the controlled system is proven strictly. Finally, simulation results are presented.

Date: 2021
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Persistent link: https://EconPapers.repec.org/RePEc:hin:complx:9914288

DOI: 10.1155/2021/9914288

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