Tracking the rotor time constant of an induction motor traction drive for HEVs

Kaiyu Wang, John Chiasson, Marc Bodson, Leon M. Tolbert

Research output: Contribution to conferencePaperpeer-review

3 Scopus citations

Abstract

Field-oriented control methodology requires knowledge of the machine parameters, and in particular the rotor time constant. The interest here is in tracking the value of T R as it changes due to Ohmic heating so that an accurate value is available to estimate the rotor flux for a field oriented controller. The approach presented here is a nonlinear least-squares method that uses only measurements of the stator currents and voltages along with the rotor speed. The nature of this technique lends itself directly to an online implementation and therefore can be used to track the rotor time constant. Experimental results are presented to demonstrate the validity of the approach.

Original languageEnglish
Pages83-88
Number of pages6
StatePublished - 2004
Event8th IEEE Workshop on Power Electronics in Transportation, WPET - Novi, MI, United States
Duration: 21 Oct 200422 Oct 2004

Conference

Conference8th IEEE Workshop on Power Electronics in Transportation, WPET
Country/TerritoryUnited States
CityNovi, MI
Period21/10/0422/10/04

Keywords

  • Induction Motor
  • Parameter Identification
  • Rotor Time Constant

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