Speed-sensorless nonlinear predictive control of a squirrel cage motor

  • Authors:
  • I. I. Siller-Alcalá;M. Abderrahim;J. Jaimes-Ponce;R. Alcántara-Ramíirez

  • Affiliations:
  • Departamento de Electrónica, Grupo Control de Procesos, Universidad Autónoma Metropolitana, México D.F., México;Departamento de Ingeniería de Sistemas y Automáica, Universidad Carlos III de Madrid, Madrid, España;Departamento de Electrónica, Grupo Control de Procesos, Universidad Autónoma Metropolitana, México D.F., México;Departamento de Electrónica, Grupo Control de Procesos, Universidad Autónoma Metropolitana, México D.F., México

  • Venue:
  • WSEAS Transactions on Systems and Control
  • Year:
  • 2008

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Abstract

This paper presents a nonlinear generalised predictive control scheme for a squirrel cage motor without speed sensor. Some of the difficulties faced are due to uncertainties in the parameters measurements, high cost to obtain state measurements in addition to the inherently non-linear behaviour. The control scheme presented is composed of a positioning predictive control and an open loop observer used to obtain state measurements. The proposed control scheme allows a simple and straightforward implementation. The effectiveness of this control algorithm has been successfully verified through simulations.