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Genetic Algorithm for Identification of Time Delay Systems from Step Responses 게시글의 제목, 학술지명, 저자, 발행일, 작성내용을 보여줌
Genetic Algorithm for Identification of Time Delay Systems from Step Responses
학술지명 The Institute of Control, Automation, and System Engineers 저자 신강욱,송영주,이태봉,최홍규
발표일 2007-02-01

In this paper, a real-coded genetic algorithm is proposed for identification of timedelay systems from step responses. FOPDT (First-Order Plus Dead-Time) and SOPDT (Second-Order Plus Dead-Time) systems, which are the most useful processes in this field, but are difficult for system identification because of a long dead-time problem and a model mismatch problem. Genetic algorithms have been successfully applied to a variety of complex optimization problems where other techniques have often failed. Thus, the modified crossover operator of a real-code genetic algorithm is proposed to effectively search the system parameters. The proposed method, using a real-coding genetic algorithm, shows better performance characteristics when compared to the usual area-based identification method and the directed identification method that uses step responses.

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