Speed sensorless nonlinear control of induction motor in the field weakening region

Miroslaw Wlas, Haitham Abu-Rub, Joachim Holtz

Research output: Chapter in Book/Report/Conference proceedingConference contribution

9 Citations (Scopus)

Abstract

In the paper it is presented speed sensorless nonlinear control system using multiscalar model based MMB operating in the lower field weakening speed region. Nonlinear control methods can improve the performance of induction motor drives in transients. The maximum available output torque, which guarantees satisfactory motor dynamics in field weakening region, is calculated using the steady state dependencies of induction motor model. Full dynamic reaction to commanded changes or to disturbances that occur during operation at the voltage limit is enabled by reducing the excitation level in a fastest possible way. Experimental results are presented to demonstrate reliability of proposed controller. In the experimental implementation a 22kW induction motor is used. The whole control scheme (including multiscalar control, speed computation and space vector PWM) are implemented on a DSP and FPGA.

Original languageEnglish
Title of host publication2008 13th International Power Electronics and Motion Control Conference, EPE-PEMC 2008
Pages1084-1089
Number of pages6
DOIs
Publication statusPublished - 2008
Event2008 13th International Power Electronics and Motion Control Conference, EPE-PEMC 2008 - Poznan, Poland
Duration: 1 Sep 20083 Sep 2008

Other

Other2008 13th International Power Electronics and Motion Control Conference, EPE-PEMC 2008
CountryPoland
CityPoznan
Period1/9/083/9/08

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Keywords

  • Flux model
  • Induction motor
  • Non-linear control
  • Sensorless control
  • Voltage source inverters (VSI)

ASJC Scopus subject areas

  • Energy Engineering and Power Technology
  • Control and Systems Engineering
  • Electrical and Electronic Engineering

Cite this

Wlas, M., Abu-Rub, H., & Holtz, J. (2008). Speed sensorless nonlinear control of induction motor in the field weakening region. In 2008 13th International Power Electronics and Motion Control Conference, EPE-PEMC 2008 (pp. 1084-1089). [4635412] https://doi.org/10.1109/EPEPEMC.2008.4635412