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    Please use this identifier to cite or link to this item: http://tkuir.lib.tku.edu.tw:8080/dspace/handle/987654321/46085


    Title: Construction of a fuzzy controller through width adaptation
    Authors: 翁慶昌;Wong, Ching-chang;Chen, Jen-yang
    Contributors: 淡江大學電機工程學系
    Keywords: Fuzzy control;Fuzzy sets;Membership functions;Universe of discourse;Adaptive fuzzy control
    Date: 2001-11-01
    Issue Date: 2010-03-26 20:54:31 (UTC+8)
    Publisher: Elsevier
    Abstract: In this paper, a design scheme for the fuzzy controller through width adaptation of the universe of discourse is presented. The proposed adaptation law, which results from the direct adaptive approach, is used to appropriately determine the width of the output variable, and the result of the membership functions in the THEN part will vary with the width adaptation. The main advantage of the proposed method is that the structure of the fuzzy controller does not need to be changed while using a common design procedure. We know that it is not easy to characterize the linguistic control rules and its membership function distribution without expert knowledge, especially in those cases when the input variables of the fuzzy controller are increased. In this study, we first organize a fuzzy controller without any specific experience of the controlled system. An adaptive law is then used to tune the width of the universe of discourse in the THEN part to appropriately determine each membership function's distribution. Finally, a nonlinear system simulation example is applied to verify the effectiveness of the proposed fuzzy controller.
    Relation: Knowledge-based Systems 14(7), pp.353-358
    DOI: 10.1016/S0950-7051(00)00094-0
    Appears in Collections:[電機工程學系暨研究所] 期刊論文

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