Control of BLDC Motor Drive with Single Hall Sensor Considering Angle Compensation

The traditional brushless DC motor uses three position sensors to realise six-step reversing control of the motor. The application of three position sensors increases the cost, whereas the sensorless control method represented by the back electromotive force method has the problem of low control accuracy. Therefore, the present research proposes the method of six-step motor reversing control by using single sensor, corrects the motor running state by using the peak–peak difference of phase current in the control process, and resultantly achieves a good control effect. The experimental results prove the control and correction method.

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An Adaptive Control Strategy for a Low-Ripple Boost Converter in BLDC Motor Speed Control

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