Correction of inverter voltage errors for model-based induction machine control

  title={Correction of inverter voltage errors for model-based induction machine control},
  author={M. Spichartz and Carsten Heising and Volker Staudt and Andreas Steimel},
  journal={SPEEDAM 2010},
Highly dynamic stator-flux-oriented controls need an exact model-based observer of the induction machine to predict the non-measurable fluxes and to calculate the speed in sensorless operation. Inverter voltage errors cause inaccuracy and instability in the observer. Therefore an offline-measurement procedure without any additional measurement devices is presented, to identify the error voltages. An online correction is introduced and verified by measurement results. 
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