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AC servo is nonstable at very low speed?
7 years 10 months ago #122199
by andypugh
Replied by andypugh on topic AC servo is nonstable at very low speed?
You could try a tiny amount of D, that can (sometimes) have a damping effect.
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7 years 10 months ago #122207
by PCW
Replied by PCW on topic AC servo is nonstable at very low speed?
If changing KP does not change the oscillation, this suggests that the issue is velocity loop tuning in the drive, not LinuxCNC
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