Commutation torque ripple minimization for permanent magnet synchronous machines with Hall effect position feedback

Todd D. Batzel, Kwang Y. Lee

Research output: Contribution to journalArticlepeer-review

42 Scopus citations

Abstract

A permanent magnet synchronous motor (PMSM) with sinusoidal flux distribution is commonly commutated using discrete rotor position feedback from Hall sensors. A commonly used stator current excitation strategy used in such a system is a six-step current waveform. Application of sinusoidal current waveforms is shown to produce smooth torque in the PMSM. This paper shows how a pseudo-sensorless rotor position estimator may be used with Hall sensors to provide sinusoidal current excitation in place of six-step currents to reduce the torque ripple associated with the six-step strategy. Performance evaluation of the rotor position estimator in a PMSM drive is provided through simulation.

Original languageEnglish (US)
Pages (from-to)257-262
Number of pages6
JournalIEEE Transactions on Energy Conversion
Volume13
Issue number3
DOIs
StatePublished - 1998

All Science Journal Classification (ASJC) codes

  • Energy Engineering and Power Technology
  • Electrical and Electronic Engineering

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