Duty cycle and PI controller

[abderrahimjamao]

Hello,

I want to undrestand the  relation between the PI speed controller output and   the duty cycle in the BLDC control.

Regards,

Abderrahim

[PetrS]

Hi,

you should get principle from 

AN12435 3-Phase Sensorless BLDC Motor Control Kit with S32K144.

https://www.nxp.com/docs/en/application-note/AN12435.pdf 

Hope it helps.

BR, Petr