The Apply of AMCLIB_BemfObsrvDQ and AMCLIB_TrackObsrv in MPC5744P

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The Apply of AMCLIB_BemfObsrvDQ and AMCLIB_TrackObsrv in MPC5744P

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Edison_LI
Contributor II

Hi,

I used the AMCLIB_BemfObsrvDQ and AMCLIB_TrackObsrv in my project for the sensorless control,when it doesn't enter into the sensorless mode,the speed and angle that observed is very good and stable.

However, once it enter into the sensorless mode ,the speed would be a large negative value, and the motor would spin rapidly in the opposite direction for a few turns and then stop.

The version of MPC574xP_AMMCLIB I used is 1.1.15

I‘m not sure what the problem is. Can you give me some advice

 

Best regard

Edison.Li

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