PMSM FOC AMCLIB

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PMSM FOC AMCLIB

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nxpcommunity
Contributor I

Hello:

I am learnning FOC with AMCLIB library, but I cannot understand the ξ and ω in the PI parameter calculation formula. The figure below shows the mechanical parameters of the motor. I want to know how to get the specific values of ξ and ω

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FelipeGarcia
NXP Employee
NXP Employee

Hi,

Please check the following application note that describes the parameters calculation of the PI controller  in section 6.4.2. ξ is the speed loop attenuation and ω is the natural frequency of the closed loop system.

https://www.nxp.com/docs/en/application-note/AN4642.pdf

Best regards,

Felipe

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