CLOSED-LOOP CONTROL OF STEPPING MOTOR SYSTEMS

Conference paper (1986)

Authors

P.J. Clarkson University of Cambridge
P. P. Acarnley Newcastle University
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Published Date

1986

Language

English

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Abstract

Stepping motors are normally operated with open-loop control, but there are advantages to operation with closed-loop control. The performance of a multimotor system with a single common closed loop has been investigated, with particular reference to a two-motor system. The system was found to be unstable, with the velocities of the motors oscillating with increasing amplitude. The origin of the oscillations is discussed, and methods for their elimination are presented. In conclusion it is evident that the simple control strategy used is inadequate for stable operation of a multimotor system.