半波整流ブラシなし同期電動機の位置センサレス始動位置検出法

書誌事項

タイトル別名
  • Initial Rotor Position Estimation of Half-Wave Rectified Brushless Synchronous Motor
  • ハンパ セイリュウ ブラシ ナシ ドウキ デンドウキ ノ イチ センサレス シドウ イチ ケンシュツホウ

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抄録

This paper presents an initial rotor position estimation of Half-Wave Rectified Brushless Synchronous Motor. In the previous paper, we proposed this motor as AC servo motor, which is based on the half-wave rectified brushless excitation principle. The basic principle of this estimation technique utilizes the dependence of inductance on the rotor position. The bias frequency component of half-Wave rectified brushless excitation is used to estimate the rotor position error. The magnetic pole is discriminated by the switching condition of the diode inserted into the rotor field winding. This estimation technique is confirmed by simulation include inverter circuit, control program and motor model. Finally, the effectiveness of the proposed estimation technique has been verified by experiments.

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