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URN etd-0826108-185927 Statistics This thesis had been viewed 3260 times. Download 1089 times. Author Liang-chih Huang Author's Email Address No Public. Department Electrical Engineering Year 2007 Semester 2 Degree Master Type of Document Master's Thesis Language English Page Count 52 Title Adaptive fuzzy sliding mode controller for nonlinear coupled system Keyword Adaptive law fuzzy control sliding mode control sliding mode control fuzzy control Adaptive law Abstract This thesis investigates a hierarchical adaptive fuzzy sliding-mode control, and it is proposed for a class of fourth-order nonlinear coupled system can be decoupled into two subsystems, and a sliding surface is defined for each subsystem. The fuzzy models are used to estimate the unknown function of the nonlinear dynamic system. A hierarchical fuzzy sliding model controller is developed for guaranteeing the tracking performance. Then, we propose the adaptive laws to adjust the free parameters of the fuzzy models. The stability of the fourth-order nonlinear system can be verified by Lyapunov stability theorem. Moreover, the proposed overall control schemes guarantee that all the signals are bounded and achieve the desired tracking performance. Finally, the examples are given to illustrate the feasibility and the effectiveness of the proposed control strategy. Advisor Committee Chung-Chun Kung - advisor
Chiang-Cheng Chiang - co-chair
Ti-Hung Chen - co-chair
Files Date of Defense 2008-07-24 Date of Submission 2008-08-26