Which block to use for BLDC motor for BLDC speed controller design?

Question

Kartikey 2023-1-20

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https://ww2.mathworks.cn/matlabcentral/answers/1897590-which-block-to-use-for-bldc-motor-for-bldc-speed-controller-design

回答： Mohamad Nazir 2023-1-20

采纳的回答： Mohamad Nazir

Can I use permanent magnet synchronous machine block for simulating Sinusoidal back emf BLDC?

https://in.mathworks.com/help/sps/powersys/ref/permanentmagnetsynchronousmachine.html

One example is using the same block (link given above) but I am confused wheather it simulate sine-BLDC or not?

example link : https://in.mathworks.com/matlabcentral/fileexchange/91625-speed-control-of-bldc-motor

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Answer 1

Mohamad Nazir 2023-1-20

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https://ww2.mathworks.cn/matlabcentral/answers/1897590-which-block-to-use-for-bldc-motor-for-bldc-speed-controller-design#answer_1152725

BLDC normally denotes a permanent magnet synchronous machine with trapezoidal back-emf waveform. When the machine is called simply permanent magnet synchronous machine it generally means sinusoidal back-emf, so yes you can use this block and once you double click on it you will see that the back-emf waveform is sinusoidal.