• fuzzy sliding mode control of structures

    جزئیات بیشتر مقاله
    • تاریخ ارائه: 1393/11/01
    • تاریخ انتشار در تی پی بین: 1393/11/01
    • تعداد بازدید: 615
    • تعداد پرسش و پاسخ ها: 0
    • شماره تماس دبیرخانه رویداد: -
     this paper examines the feasibility of applying fuzzy sliding mode control (fsmc) strategies to reduce the dynamic responses of a seismically excited structure. fsmc is a combination of sliding mode control (smc) and fuzzy control which gather advantages of sliding mode, fuzzy inference mechanism to enhance robustness and sliding performance of the system. first, the control rules are constructed according to the concept of smc, and then fuzzy sets, whose membership functions are symmetrically covered in the state space, are defined. switching-type control law of the conventional smc and uncertainty part of the equivalent control is approximated by fuzzy controller to attenuate the chattering phenomenon and harmful effects caused by uncertainties. numerical results indicate that applying this fsmc to control a seismically excited structure can reduce the response quantities to a satisfactory level.

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