Journal of international Conference on Electrical Machines and Systems

Journal of International Conference on Electrical Machines and Systems (대한전기학회 분과)
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Sensorless Control for Surface Mounted Permanent Magnet Synchronous Machines at Low Speed

  • An, Lu (Institute of Electrical Machines, RWTH Aachen University) ;
  • Franck, David (Institute of Electrical Machines, RWTH Aachen University) ;
  • Hameyer, Kay (Institute of Electrical Machines, RWTH Aachen University)
  • Received : 2013.11.03
  • Accepted : 2013.11.29
  • Published : 2013.12.01
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Abstract

This paper proposes a sensorless speed control based on a novel extension of the torque producing flux (active flux) observer for the surface mounted permanent magnet synchronous machines (SPMSM) without additional high frequency signal injection. From the estimated torque producing flux, the rotor position and speed can be calculated at low speed due to their independency. Therefore, no rotor position sensor is required. Two approaches of the torque producing flux observer are presented and compared. The results show the stability and robustness of the expansion of the torque producing flux observer at low speed for the SPMSM.

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References

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