Hybrid adaptive fuzzy control for uncertain MIMO nonlinear systems with unknown dead-zones
作者： Yongming Li , Shaocheng Tong
DOI: 10.1016/J.INS.2015.08.035
关键词:
摘要: In this paper, a hybrid adaptive fuzzy control approach is proposed for class of uncertain multiple-input and multiple-output (MIMO) strict-feedback nonlinear systems with unknown dead-zones. Fuzzy logic are utilized to approximate the functions, serial-parallel estimation model established. Based on backstepping dynamic surface (DSC) technique, utilizing bounds dead-zone slopes prediction errors between system model, new robust controller composed parameters laws developed. The method can not only overcome problem "explosion complexity" inherently existing in traditional design methods, but also improve performance. It proved that all signals closed-loop bounded output follow given reference signal. A numerical example simulation comparisons methods provided show effectiveness approach.
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