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Fast Finite-Element Analysis of Motors Using Block Model Order Reduction

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タイトル: Fast Finite-Element Analysis of Motors Using Block Model Order Reduction
著者: Shimotani, Toshihito 著作を一覧する
Sato, Yuki 著作を一覧する
Sato, Takahiro 著作を一覧する
Igarashi, Hajime 著作を一覧する
キーワード: Finite-element (FE) analysis
interior permanent magnet (IPM) motor
model order reduction (MOR)
proper orthogonal decomposition (POD)
発行日: 2016年 3月
出版者: IEEE (Institute of Electrical and Electronics Engineers)
誌名: IEEE transactions on magnetics
巻: 52
号: 3
開始ページ: 7207004
出版社 DOI: 10.1109/TMAG.2015.2482542
抄録: This paper proposes a model order reduction (MOR) based on the proper orthogonal decomposition (POD) to perform a fast analysis of motors. When a POD-based MOR is applied to the motor analysis, the number of basis vectors has to be increased to express the changes in the magnetic fields due to a rotational movement. Its computational efficiency is, thus, greatly deteriorated. To overcome this difficulty, the block-MOR is first applied to a motor analysis. In this method, a parameter space is subdivided into several blocks, which correspond to angular ranges in the motor analysis, in each of which the basis vectors are constructed from snapshotted fields. The computational time of the block-MOR is shown to be shorter than that of the conventional MOR, while the accuracy of both the methods is almost identical.
Rights: © 2015 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works.
資料タイプ: article (author version)
URI: http://hdl.handle.net/2115/61519
出現コレクション:雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

提供者: 五十嵐 一

 

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