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Modeling and optimal control of variable reluctance stepper motor

Slawomir Stepien (Chair of Computer Engineering, Poznan University of Technology, Poznan, Poland)
Jakub Bernat (Chair of Computer Engineering, Poznan University of Technology, Poznan, Poland)

COMPEL - The international journal for computation and mathematics in electrical and electronic engineering

ISSN: 0332-1649

Publication date: 8 March 2011

Abstract

Purpose

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The purpose of this paper is to present a method of modeling the variable reluctance stepper motor using the time‐stepping finite element technique. The proposed model is used to obtain the optimal control law for the input circuit solving the linear‐quadratic problem.

Design/methodology/approach

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A strongly coupled field‐circuit model of the stepper motor is presented. Also, the method of the optimal control that minimizes the power loss in the motor windings is proposed.

Findings

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The proposed optimal control method can be applied to the electrical machines connected to the electronic converters. Calculated control signals may be used to obtain the optimal waveforms of the input voltages at each phase of the analyzed machine.

Originality/value

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The paper examines the application of the presented control method to minimize the power loss in the stator windings of the four‐phased variable reluctance stepper motor.

Keywords

Citation

Stepien, S. and Bernat, J. (2011), "Modeling and optimal control of variable reluctance stepper motor", COMPEL - The international journal for computation and mathematics in electrical and electronic engineering, Vol. 30 No. 2, pp. 726-740. https://doi.org/10.1108/03321641111101177

Download as .RIS

Publisher

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Emerald Group Publishing Limited

Copyright © 2011, Emerald Group Publishing Limited

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