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CCS/TMS320F2812: PI TUNING OF PMSM

Mayank Jain70
Prodigy 210 points
Part Number: TMS320F2812

Tool/software: Code Composer Studio

Hi

This is with reference to the TUNING Of PI for Field oriented control of PMSM. The tuning is perfectly been implemented for the closed loop of PMSM in the MATLAB Simulink. Thanks to the blog " TEACHING YOUR PI CONTROLLER TO BEHAVE" by DAVE WILSON.  

However, the confusion that comes is that the PI controller provided by the texas instruments in the 28x DMC library in MATLAB seems to be tuned in a different way than the value of PI is the regular form.  

Kindly guide how to tune the 28x PI controller.

 The series gain Ka =  5.08938

The integral gain Kb= 116.666667

Thanks and regards

Mayank Jain

  • 0
    TI__Guru** 114520 points
    There are multi types PI/PID in dmc library, you can refer to any one of both guides to tune the PI/PIDs depend on the type of PI/PIDs. And you can refer to Chapter 11 of SPRUHJ1G which has more detail description on tuning PI regulators.
  • 0 in reply to Yanming Luo
    Prodigy 210 points
    Hi Yanming
    Thanks. The PI regulators have already been tuned using the same theory. The problem that still remains is that those tuning settings are in real scale while the PI tuners of the DMC library would be needing a normalized value.
    Can you please throw some light on the PI Sclaing and normalising the values.

    Thanks and regards