[EMAIL PROTECTED] wrote: > Hi > I am tuning ac servomotor. For Xpos-cmd and X-pos fb I have 2 trapezes. > Upper part of trapeze should be horizontal, but I have some kind zigzag > that eventually become horizontal. > What should I do to make upper part flat – horizontal? ( P I D) > Possibly reduce P gain, or D. If you get D too high (it only takes a little to have a good effect) that will also cause oscillation.
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