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While Running Motor Starts Jerking.

Yash Jasnani
Associate III

Dear Experts,

I need your help to figure out a problem in my MC configuration. I am using Nucleo-F401RE and a custom motor Driver board similar to STEVAL-IPM20B with 0.01R shunt resistor and opamp used it LM324. The current sense circuit in my custom board is similar to the circuit in schematics of the STEVAL-IPM20B board (the change is instead of 2.1K I have used 2.2K). The motor I have used is JK57BLF02.

  1. Sometime motor starts and sometime it doesn't starts.
  2. After reaches a certain RPM it starts Jerking.

I have attached the screenshots of the configurations I have made.

I have tested the setup with 6-step algorithm, its working perfect. Facing Jerk issue while implementing FOC algorithm.

Thanks and Regards

Yash

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