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Position and speed generation from Hall signals using piccolo microcontroller

MALA D M
Prodigy 210 points

Other Parts Discussed in Thread: CONTROLSUITE

Hi:

can any one please provide me algorithm to generate position and speed from Hall signals either by using GPIO's or eCAP's. i have configured GPIO24(eCAP1), GPIO25(eCAP2), GPIO26(eCAP3) as HallA, B and C signal. Motor being used has a top speed of 6000RPM, base speed of 2500RPM and 8 poles. i do not find any code in controlsuite for hall based position sensing, most of the files are encoder based or sensorless. 

Regards,

MALA GOWDA

  • 0
    TI__Guru 57255 points

    Mala,

    The following example (and documentation) in controlSUITE should be hall sensor based (using GPIOs) with the F28035 MCU:
    \controlSUITE\development_kits\HVMotorCtrl+PfcKit_v2.0\HVBLDC_Sensored\

    As you mention the eCAP peripheral could be used to determine state changes as well.

    Good luck in your project.


    Thank you,
    Brett