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BLDC_sensored example, speed and acceleration

Armand M.G.
Prodigy 205 points

Other Parts Discussed in Thread: CONTROLSUITE

Hello everyone,

I am working with the DRV3812 eval. board and working on a sensored control with Hall effect sensors. I have been able to make the BLDC_sensored example work (all levels) and now I would like to introduce some variations.

  • How can the speed be changed? it runs at 3000 rpm when the speed reference is set to 1, how can this relationship be modified?

  • Is there any way to modify the acceleration of the motor when it changes from one speed to another? I've tried to change parameters of the rmp3 module but nothing happened. Which are the functions of rmp2 and rmp3 modules?

Thank you very much, I hope someone can answer my questions.

  • 0
    TI__Mastermind 27240 points
    We will be able to provide limited support for this project, as the owners of this project are not around to take specific questions.
    - Use linear scaling to set the speed command
    - You can refer to rmp2 and rmp3 docs at C:\ti\controlSUITE\libs\app_libs\motor_control\math_blocks\v4.3\~Docs.
    If the ramp modules don't satisfy your needs, you can customize it.