Iron Core Hysteresis-Based Position Sensorless Control of PM Brushless DC Motors

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Abstract:

A sensorless position detection technique based on iron core B-H hysteresis for PM brushless DC motors at standstill and low-speed is presented. A signal acquisition setup and a control method are provided. Experiments show that this technique has a good starting and low-speed control performance for both non-salient and salient motors. With this technique, a closed-loop starting can be achieved and the start-up time can be shortened. This technique has a wide adaptability and has good application prospects.

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583-588

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September 2013

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© 2013 Trans Tech Publications Ltd. All Rights Reserved

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