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Rapid and Stable Speed Response Based on Current Differential Signal and Priority Amplitude Method of SVM in Flux-Weakening Region of SPMSM

Rapid and Stable Speed Response Based on Current Differential Signal and Priority Amplitude Method of SVM in Flux-Weakening Region of SPMSM

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カテゴリ: 論文誌(論文単位)

グループ名: 【D】産業応用部門(英文)

発行日: 2015/05/01

タイトル(英語): Rapid and Stable Speed Response Based on Current Differential Signal and Priority Amplitude Method of SVM in Flux-Weakening Region of SPMSM

著者名: Jun Kitajima (Nagaoka University of Technology), Kiyoshi Ohishi (Nagaoka University of Technology), Yoshiaki Seki (Nagaoka University of Technology)

著者名(英語): Jun Kitajima (Nagaoka University of Technology), Kiyoshi Ohishi (Nagaoka University of Technology), Yoshiaki Seki (Nagaoka University of Technology)

キーワード: flux-weakening control,voltage saturation,space vector modulation,spmsm

要約(英語): In the AC servo system, the output voltage is restricted by inverter output limitations. Voltage saturation occurs as a result of these limitations. The settling time of the current and speed increases because of voltage saturation. This paper proposes a new control system for improving the transient response of the surface permanent magnet synchronous motor (SPMSM) by using the proposed flux-weakening control based on the current differential signal. Because the current differential signal is taken into consideration, the suppression of voltage saturation is achieved with a smaller d-axis current in a transient state. Finally, this paper proposes a new combination method of flux-weakening control and an inverter modulation scheme, which makes it possible to improve the voltage utilization on condition of flux-weakening region. The proposed speed control system achieves a quick and stable speed and current response. The effectiveness of the proposed control methods is confirmed by both the numerical simulation results and the experimental results.

本誌: IEEJ Journal of Industry Applications Vol.4 No.3 (2015) Special Issue on “IPEC-Hiroshima”

本誌掲載ページ: 107-115 p

原稿種別: 論文/英語

電子版へのリンク: https://www.jstage.jst.go.jp/article/ieejjia/4/3/4_107/_article/-char/ja/

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