A New Vector Control for Energy-Efficient/Wide-Speed-Range Drives of Sensorless Permanent-Magnet Synchronous Motor

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  • 永久磁石同期モータの高効率・広範囲センサレス駆動のための楕円軌跡指向形ベクトル制御
  • エイキュウ ジシャク ドウキ モータ ノ コウコウリツ ・ コウハンイ センサレス クドウ ノ タメ ノ ダエン キセキ シコウケイ ベクトル セイギョ

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This paper proposes a new sensorless vector control method for energy-efficient and wide-speed-range drives of sensorless permanent-magnet synchronous motors. The proposed method has the following features: 1) current limitation. 2) high efficiency, 3) wide-speed-range drive under voltage limit. These features are realized in a very simple manner and can perform adaptively in all sensorless driving modes including motoring/regenerating and steady/transient states. The usefulness of the proposed method is verified by extensive experiments.

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