Peter, Could you describe a bit more the test fixture you mention and the step motion. I'm not clear on this and would like to understand a bit better how to tune a servo as well.
Thanks John On 3 Oct 2009 at 10:02, Peter C. Wallace wrote: > My opinion is that you should _NEVER_ use _ANY_ I until you are > within a gnats > eyelash of perfect tuning. It really just gets in the way. > > I would make a test fixture so you can take a step motion, increase > P until it > overshoots in response to the step, add D until theres no or very > little > overshoot and repeat (increasing P and D) until you get good > response to the > step input. > > Then I would make another test with a long cruise, and adjust FF1 > for minimum > error. > > Only at this point would I start adding some I ------------------------------------------------------------------------------ Come build with us! The BlackBerry® Developer Conference in SF, CA is the only developer event you need to attend this year. Jumpstart your developing skills, take BlackBerry mobile applications to market and stay ahead of the curve. Join us from November 9-12, 2009. Register now! http://p.sf.net/sfu/devconf _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
