The Transactions of the Korean Institute of Power Electronics (전력전자학회논문지)

The Korean Institute of Power Electronics (전력전자학회)
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Performance Improvement of Position Estimation by Double-PLL Algorithm in Hall Sensor based PMSM Control

Double-PLL을 이용한 홀 센서 기반 PMSM 제어의 위치 추정 성능 개선

  • Received : 2017.02.27
  • Accepted : 2017.04.06
  • Published : 2017.06.20
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Abstract

This paper proposes a double-phase-locked-loop (PLL) to improve the performance of position estimation in hall sensor-based permanent magnet synchronous motor control. In hall sensor-based control, a PLL is normally used to estimate the rotor position. The proposed Double-PLL consists of two PLLs, including a reset type integrator. The motor control is more accurate and has better performance than conventional PLL, such as a small estimated position ripple. The validity of the proposed algorithm is verified by simulations and experiments.

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References

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