BLDC Sensorless Commutation

Discussions regarding the Field Oriented Control (FOC) implementation on the VESC.
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vandammn
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Joined: 29 Sep 2017, 22:54
Location: Arizona
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BLDC Sensorless Commutation

Postby vandammn » 03 Oct 2017, 23:17

Hi,

Can anyone tell me how commutation is done using back-emf integration technique at high speeds? I have 2 VESCs running. They both perform very well at upto 200,000 eRPM. If anyone can help me understand how it is done since we only have 1-2 integration points.

Thanks.

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