書誌事項
- タイトル別名
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- Identification of Continuous-time Nonlinear Systems Using a Model Expanded by a Basis of Automatic Choosing Functions and Genetic Algorithm
- ジドウ チュウシュツ カンスウ テンカイ モデル ト イデンテキ アルゴリズム オ モチイタ レンゾク ジカン ヒセンケイ システム ノ ドウテイ
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抄録
In this paper a new identification algorithm based on a model expanded by a basis of automatic choosing functions (ACF) for continuous-time nonlinear systems is proposed. The Butterworth filter is introduced as a delayed state variable filter, in order to evaluate higher order derivatives of input and output signals. A data region or a whole domain of signals is divided into some subdomains and the unknown nonlinear function to be estimated is approximately represented by a linear local equation on each subdomain. Then these linear local equations are united into a single one by the ACF of sigmoid type smoothly. The resulting model is linear in unknown parameters, which are easily estimated by the least-squares method. The model structure and the state variable filter are properly determined by genetic algorithm. Simulation results are shown to demonstrate the effectiveness of the proposed method.
収録刊行物
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- 電気学会論文誌C(電子・情報・システム部門誌)
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電気学会論文誌C(電子・情報・システム部門誌) 119 (7), 848-857, 1999
一般社団法人 電気学会
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詳細情報 詳細情報について
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- CRID
- 1390001204611838336
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- NII論文ID
- 130006846081
- 10004438363
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- NII書誌ID
- AN10065950
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- ISSN
- 13488155
- 03854221
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- NDL書誌ID
- 4780290
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- データソース種別
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- JaLC
- NDL
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- CiNii Articles
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- 抄録ライセンスフラグ
- 使用不可