DOI QR코드

DOI QR Code

A Simple Strategy for Sensorless Speed Control for an IPMSM During Startup and Over Wide Speed Range

  • 투고 : 2013.12.11
  • 심사 : 2014.04.13
  • 발행 : 2014.09.01

초록

This paper presents a hybrid sensorless control for an interior permanent magnet synchronous motor (IPMSM) for zero-, low-, and high-speed regions. Many sensorless control methods such as an observer-based estimator have been introduced. However, most of the observer-based estimators have a disadvantage at start-up and in the low-speed region. To solve this problem, a simple strategy of using a hybrid system is proposed by integrating a high-frequency (HF) signal injection method and a full-order flux observer. In addition, an HF signal injection method with only a low pass filter (LPF) is proposed to simplify the hybrid system. The hybrid system achieves high-performance drive throughout the entire speed range. The effectiveness of the proposed hybrid technique is verified by experiments using an 11-kW IPMSM drive system.

키워드

Permanent magnet synchronous motor;Sensorless control;Signal injection;Full-order observer

참고문헌

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피인용 문헌

  1. A Sensorless Control of IPMSM using the Adaptive Back-EMF Estimator and Improved Instantaneous Reactive Power Compensator vol.65, pp.5, 2016, https://doi.org/10.5370/KIEE.2016.65.5.794
  2. Singularity-Free Adaptive Speed Tracking Control for Uncertain Permanent Magnet Synchronous Motor vol.31, pp.2, 2016, https://doi.org/10.1109/TPEL.2015.2422790
  3. Off-Line Parameter Identification of Permanent Magnet Synchronous Motor Using a Goertzel Algorithm vol.10, pp.6, 2015, https://doi.org/10.5370/JEET.2015.10.6.2262
  4. Wide-Range Sensorless Control for SPMSM Using an Improved Full-Order Flux Observer vol.15, pp.3, 2015, https://doi.org/10.6113/JPE.2015.15.3.721

과제정보

연구 과제 주관 기관 : Hyosung Power & Industrial Systems Performance Group