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MOTORWARE: Estimator state gets back to Idle during run

Nantawat Thitichaiworakorn
Intellectual 360 points

Part Number: MOTORWARE
Other Parts Discussed in Thread: DRV8305

I'm experimenting with proj_lab10d (dual motor InstaSPIN-FOC with CTRL module) using two BLDC motors, F28069M LaunchPad, and a custom inverter based on DRV8305. During run with no load, the two motors run perfectly and not stop. But during run with some load, sometimes the Estimator state gets back to EST_State_Idle and makes the two motors stop for unknown reason. So, what is the possible cause ?

Nantawat.