A Practical Torque Estimation Method for Interior Permanent Magnet Synchronous Machine in Electric Vehicles

Zhihong Wu, Ke Lu and Yuan Zhu

PLOS ONE, 2015, vol. 10, issue 6, 1-16

Abstract: The torque output accuracy of the IPMSM in electric vehicles using a state of the art MTPA strategy highly depends on the accuracy of machine parameters, thus, a torque estimation method is necessary for the safety of the vehicle. In this paper, a torque estimation method based on flux estimator with a modified low pass filter is presented. Moreover, by taking into account the non-ideal characteristic of the inverter, the torque estimation accuracy is improved significantly. The effectiveness of the proposed method is demonstrated through MATLAB/Simulink simulation and experiment.

Date: 2015
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Persistent link: https://EconPapers.repec.org/RePEc:plo:pone00:0130923

DOI: 10.1371/journal.pone.0130923

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