A Design of Position Closed-Loop Control System for Hybrid Stepping Motors Based on Mechanical-Sensorless Rotor Position Detection

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Abstract:

In a stepping motor, the flux linkage with a phase winding is a function of rotor position and phase current. Employing inductance saliency to detect rotor position is suitable for hybrid stepping motor (HSM) for its saturation feature. This paper will introduce a position closed-loop control system for HSM with rotor position detection by monitoring chopping characteristics, and present simulation results based on Matlab/Simulink.

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632-635

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September 2014

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© 2014 Trans Tech Publications Ltd. All Rights Reserved

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