Improving INFORM calculation method on permanent magnet synchronous machines

  title={Improving INFORM calculation method on permanent magnet synchronous machines},
  author={Andr{\'a}s Zentai and Tam{\'a}s Dab{\'o}czi},
  journal={2007 IEEE Instrumentation & Measurement Technology Conference IMTC 2007},
This paper reports advances in sensorless rotor position estimation in motor control of electronic power assisted steering systems (EPAS). A systematic calculation error was discovered in the INFORM - a saliency based sensorless rotor position estimation method, - when it was applied to permanent magnet synchronous machines (PMSMs). A solution was found to correct the angle error of the measurement which was introduced by the PMSM. 


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