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Calculation of torqu

Dear Sir or Madam,

I'm using the DRV8301-69M kit with f2806x ISO controlCARD and am measuring torque and speed while the bldc motor spins up from 0 to maximum speed.

To get torque I found two functions:

1.) USER_computeTorque_Nm(ctrlHandle, gTorque_Flux_Iq_pu_to_Nm_sf, gTorque_Ls_Id_Iq_pu_to_Nm_sf)'  in user.c .

2.) EST_getTorque_Nm(controller_obj->estHandle) in est.h .


The results are similar but not equal.

Can you please explain the difference of the functions.

Best regards

Heinz