A method of controlling a motor that generates an output current from an input voltage command. The method receives, from the motor, the output current that includes a direct-axis portion and a quadrature-axis portion, the output current being received as feedback current. The method determines a compensated voltage command by applying, to the feedback current, first gain factors and an inverse of second gain factors. The first gain factors decouple the d-axis portion and the q-axis portion of the compensated voltage command. The inverse of the second gain factors allow the compensated voltage command to be filtered in a manner that preserves decoupling between the d-axis and q-axis. The method determines the input voltage command for the motor by applying the second gain factors to the compensated voltage command to cause the motor to generate the output current with reduced influence of variations of operating parameters of the motor.
Dynamic decoupling control with active noise cancellation
2021-10-05
Patent
Electronic Resource
English
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