Combined indirect & direct adaptive fuzzy decentralised control of large-scale systems with strong interconnection and its application

Yi-Shao Huang, Lei Han and Zhengwu Wang

International Journal of Systems Science, 2021, vol. 52, issue 3, 455-467

Abstract: To achieve better adaptation properties, the proposed controller is a weighted combination of indirect and direct adaptive fuzzy controls such that both fuzzy descriptions and control rules can be incorporated under a united controller design at the same time. By using fuzzy systems and robust control technique, the interconnections between subsystems are extended to general unknown nonlinear functions. No a priori knowledge of lower and upper bounds on lumped uncertainties is required to construct each local controller. The resulting closed-loop large-scale system is proved to be asymptotically stable. The controller design is applicable to an automated highway system, and simulation results confirm its practical usefulness.

Date: 2021
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DOI: 10.1080/00207721.2020.1829741

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