書誌事項
- タイトル別名
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- A Fuzzy Controller with a Robust Learning Function
- ガイラン ニ タイシテ アンテイ ナ ガクシュウ キノウ オ モツ ファジィ
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A self-organizing fuzzy controller is able to use linguistic decision rules of control strategy and has a strong adaptive property by virture of its rule learning function. While a simple linguistic description of the learning algorithm first introduced by Procyk, et al. has much flexibility for applications to a wide range of different processes, its detailed formulation, in particular with control stability and learning process convergence, is not clear.<br>In this paper, we describe the formulation of an analytical basis for a self-organizing fuzzy controller by using a method of model reference adaptive control systems (MRACS) for which stability in the adaptive loop is theoretically proven. A detailed formulation is described regarding performance evaluation and rule modification in the rule learning process of the controller. Furthermore, an improved learning algorithm using adaptive rule is proposed. An adaptive rule gives a modification coefficient for a rule change estimating the effect of disturbance occurrence in performance evaluation. The effect of introducing an adaptive rule to improve the learning convergency is described by using a simple iterative formulation.<br>Simulation tests are presented for an application of the proposed self-organizing fuzzy controller to the pressure control system in a Boiling Water Reactor (BWR) plant. Results with the tests confirm the improved learning algorithm has strong convergent properties, even in a very disturbed environment.
収録刊行物
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- 計測自動制御学会論文集
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計測自動制御学会論文集 23 (12), 1296-1303, 1987
公益社団法人 計測自動制御学会
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詳細情報 詳細情報について
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- CRID
- 1390001204502711552
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- NII論文ID
- 130003790210
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- NII書誌ID
- AN00072392
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- ISSN
- 18838189
- 04534654
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- NDL書誌ID
- 3149821
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- データソース種別
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- JaLC
- NDL
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