[GitHub] [nuttx] shizacat commented on issue #8098: FOC get Back EMF

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shizacat commented on issue #8098:
URL: https://github.com/apache/nuttx/issues/8098#issuecomment-1382677571

   Ohh, how many ))
   Thank you, for your time!
   
   @acassis, Yes/no. I rewrite this example for me. I found it complicated and not very clear. But all the changes only control (FMS), main idea of the code unchanged.
   
   @zouboan Yep, I want change it ... try.
   @zouboan Thank you for tips.
   
   @raiden00pl Why not, Back EMF it simply voltage on ADC, which the FOC driver picks up by analogy with the current. Thank you for tips.
   
   @raiden00pl Yes, It will be great. This is what I want.
   
   raiden00pl ... FOC driver pick up physical state of motor as current or else, and BEMF not very strong different the current. I think, it right place to take the current and BEMF in one place.
   
   But the calculation of the phase angle itself is already located somewhere from the outside...
   
   Why not create separate driver for BEMF sensing with its own ADC and triggering ? - Timing, Current and voltage (BEMF) must be taken at the same time - this is the state of the motor.
   Is there any coupling between the FOC driver and BEMF sensing that can cause problems here? - Yep, timing.
   
   


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