System and method for controlling motor parameters

Abstract

The present disclosure provides a system and a method for controlling motor parameters. The system includes a feedforward processing module performing a linear processing on a control signal according to parameters; a control object module including a DAC digital to analog converter, an amplifying circuit and an ADC analog to digital converter, a control signal processed by the feedforward processing module passing through the DAC digital to analog converter, and amplified by the amplifier circuit, and passing through the ADC analog to digital converter to obtain a voltage vcm[n] and a current icm[n] across the motor; a system identification module including an LMS adaptive filter, a Least mean square filtering performed on an error signal err[n] between a measurement current icm[n] and a prediction current icp[n], results of iteration feed back to the feedforward processing module, and the feedback results applied to the next data acquisitions and parameters calculations.

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