In my Speed Control model using FOC to run a IPMSM motor, my output torque fluctuates by 1N-m. How do I solve this error?
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Dear Mathworks community,
I am working on a speed control model, using FOC, I plan to run the IPMSM motor at to meet a certain RPM and torque target. While my speed meets it's target, Torque target is also met but it keeps fluctuating up and down.
Target speed - 500 rpm and target torque - 60 Nm.
I am using the default 3-phase converter with 'Switching Device' set to MOSFET, PWM generator is set to 'Space Vector Modulation'. Output from 'ModWave Scope' does not show 'SVM' waveform. Where am I going wrong? Any help on this is very much appreciated!!
Thanks in advance!
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Darshan Pandit
2023-5-31
Hi aditya,
It appears that either Iq current loop controller, and perhaps Id current loop controller too, aren't tuned properly.
These are inside the torque controller subsystem.
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