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Does the estimator can work without voltage feedback circuit?

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Hello,

I am using InstaSPIN-Motion with F28069M from Lab12b. Due to some reasons, my board doesn't have voltage feedback circuit. Are the following features still supported or need be modified?

1.I find that there are some function calls in CTRL_runOnLine_User regarding estimator(start with EST_). Since voltage feedback circuit is not supported, are the estimator functions still supported or I need remove the estimator related functions?

2.I know the Rs calibration is not supported without voltage feedback, can I enable the Rs calibration only in order to align the EQP angle with rotor angle? I do the test on DRV8312-69M-KIT by comment the voltage feedback code, the angle alignment is successful. But on my own board, the motor doesn't rotate successfully and the motor become very hot.

Thanks in advance.

Best Regards.


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