Numerical Study on Identification of Transfer Functions in a Feedback System and Model Reduction.
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- KISHIDA Kuniharu
- Department of Information Science, Faculty of Engineering, Gifu University
書誌事項
- タイトル別名
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- Numerical Study on Identification of Tr
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Identification of transfer function matrices in a feedback system is discussed by using the singular value decomposition of Hankel matrix from the viewpoint of inverse problems. A method of model reduction is considered, and selection criteria are proposed for identification of them. Transformation formula between open loop and closed loop transfer function matrices are determined from the feedback loop structure, and they are needed for identification of open loop transfer function matrices under such a condition where the feedback system is in a minimum phase. Though the identifiability of open loop transfer function matrices can be examined in the framework of innovation model equivalent to the feedback system, there are pole-zero cancellations in the identification of them. The method to reduce a model order of an open loop transfer function is discussed by using the singular value decomposition of a gramian given by the open loop transfer function with higher degree. To check reliability of the present algorithm, a simulation study is performed for an example.
収録刊行物
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- Journal of Nuclear Science and Technology(日本原子力学会英文論文誌)
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Journal of Nuclear Science and Technology(日本原子力学会英文論文誌) 34 (12), 1115-1120, 1997
一般社団法人 日本原子力学会
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詳細情報 詳細情報について
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- CRID
- 1390001204094376960
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- NII論文ID
- 10002078488
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- NII書誌ID
- AA00703720
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- COI
- 1:CAS:528:DyaK1cXhs1Kmt7o%3D
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- ISSN
- 18811248
- 00223131
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- NDL書誌ID
- 4371574
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- 本文言語コード
- en
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- データソース種別
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- JaLC
- NDL
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