Journal of Electrical Engineering and Technology

The Korean Institute of Electrical Engineers (대한전기학회)
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Sensorless Control Method in IPMSM Position Sensor Fault for HEV

  • Kim, Sung-Joo (Dept. of Electrical and Electronic Engineering, Konkuk University) ;
  • Lee, Yong-Kyun (Technical Research Institute, VCTech Co., Ltd.) ;
  • Lee, Ju-Suk (Dept. of Mechanical Air-Conditioning, Gyeonggi College of Science and Technology) ;
  • Lee, Kwang-Woon (Dept. of Electronic Eng., Mokpo National Maritime University) ;
  • Kwon, Taesuk (R&D Institute, Hyundai Mobis) ;
  • Mok, Hyungsoo (Dept. of Electrical and Electronic Engineering, Konkuk University)
  • Received : 2012.07.28
  • Accepted : 2013.03.11
  • Published : 2013.09.01
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Abstract

The widely used motors in HEV(Hybrid Electric Vehicles) are IPMSM(Interior Permanent Magnet Synchronous Motor) which has no rotor heat, higher efficiency and advantageous in volume and weight comparing with other motors. For vector control of IPMSM, position information of rotor is required but Resolver is mainly used as the detecting sensor. However, the use of position sensors will reduce the system reliability of hybrid electric vehicles. In this paper, a way to control the motor by sensorless was proposed at the event of sensor failure. We also implemented IPMSM sensorless operation by the expanded EMF(Electro Motive Force) voltage way and harmonic voltage which is applying in the low speed area. And we proposed how to change with sensorless control by detecting the position sensors failure and verified it through experiments.

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References

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