教師資料查詢 | 類別: 期刊論文 | 教師: 許陳鑑 HSU,CHEN-CHIEN (瀏覽個人網頁)

標題:Design of optimal controller for interval plant from signal energy point of view via evolutionary approaches
學年92
學期2
出版(發表)日期2004/06/01
作品名稱Design of optimal controller for interval plant from signal energy point of view via evolutionary approaches
作品名稱(其他語言)
著者許陳鑑; Hsu,Chen-chien
單位淡江大學電機工程學系
出版者
著錄名稱、卷期、頁數IEEE Transactions on Systems, Man, and Cybernetics-Part B 34(3), pp.1609-1617
摘要Design of an optimal controller minimizing the integral of squared error (ISE) of the closed-loop system for an interval plant via evolutionary approaches is proposed in this paper. Based on a worst-case design philosophy, the design problem is formulated as a minimax optimization problem from the signal energy point of view, and subsequently solved by two interactive genetic algorithms. To ensure robust stability of the closed-loop system, root locations of the Kharitonov polynomials associated with the characteristic polynomial are used to establish a constraint handling mechanism for incorporation into the fitness function to effectively evaluate chromosomes in the current population. To accelerate the derivation process to obtain the optimal controller, alternative approaches based on the two-phase evolutionary scheme are also proposed, in which the worst-case ISE is suitably estimated via information provided by the Kharitonov plants. Thus, the derived controller not only stabilizes the interval plant, but also minimizes the ISE criterion of the closed-loop system. Constraints on higher order plants and controller order commonly encountered by conventional design methods are therefore removed by using the proposed approach.
關鍵字
語言英文
ISSN
期刊性質國內
收錄於
產學合作
通訊作者
審稿制度
國別中華民國
公開徵稿
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