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Thread: BEMF Parameters in Sensorless FOC application

  1. #1
    New Member New Member zcab911 is on a distinguished road
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    Mar 2021

    BEMF Parameters in Sensorless FOC application

    I am running a lower power BLDC 4-pole motor using the TLE9879 Arduino Bridge in standalon mode now. I have had the motor working will when running the Arduino using the bridge, but am now having problems migrating parameters that worked on the Arduino Shield over to the Eval board. I have hooked up J-Scope, and as the controller enters state 3 (closed loop mode), it stalls out. When I observe ActSpeedDisplay, I see the speed converge on the RefSpeed. However, the motor is completely stalled. I am figuring that the broken parameters lie in the sensing of the RPM using BEMF. I am trying to determine where to change these. Are there guidance on the parameters implemented in the Config Wizard?
    Last edited by zcab911; Apr 6th, 2021 at 03:40 PM.

  2. #2
    Beginner Beginner LiangXiao is on a distinguished road
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    Sep 2019
    Try to change the BEMF and Speed filter time in ConfigWizard.

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