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General Mach Discussion / Re: Circles Not Round
« on: December 26, 2018, 10:27:00 AM »
If you use servo's you should cut a circle clockwise and another one counterclockwise. If the elliptical error changes the direction from one circle to the second then you should check the proportionally factor's of your PID controller for x and y axis and equalize them.
If the elliptical direction doesn't change you maybe have a squarenesserror between x and y axis.
If the elliptical direction doesn't change you maybe have a squarenesserror between x and y axis.