Journal of Advanced Marine Engineering and Technology

  • 제28권6호
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  • Pages.946-961
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  • 2004
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  • 2234-7925(pISSN)
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  • 2234-8352(eISSN)
한국마린엔지니어링학회 (The Korean Society of Marine Engineering)
권호 표지

불안정 비선형 시불변 시스템을 위한 퍼지제어기가 결합된 적응제어기

An Adaptive Controller Cooperating with Fuzzy Controller for Unstable Nonlinear Time-invariant Systems

  • 발행 : 2004.09.01
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초록

A new adaptive controller which combines a model reference adaptive controller (MRAC) and a fuzzy controller is developed for unstable nonlinear time-invariant systems. The fuzzy controller is used to analyze and to compensate the nonlinear time-invariant characteristics of the plant. The MRAC is applied to control the linear time-invariant subsystem of the unknown plant, where the nonlinear time-invariant plant is supposed to comprise a nonlinear time-invariant subsystem and a linear time-invariant subsystem. The stability analysis for the overall system is discussed in view of global asymptotic stability. In conclusion. the unknown nonlinear time-invariant plant can be controlled by the new adaptive control theory such that the output error of the given plant converges to zero asymptotically.

키워드

참고문헌

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