2012/12/20 Claude Froidevaux <[email protected]>: > Hi, > > run away is the typical behaviour when the PID loop is on wrong polarity > (try changing INPUT_SCALE or output scale with negative number)
Yupp, tried that, all 4 possible combinations of plus/minus signs for input _scale and output_scale, but no improvement. > also, D term is really important, having P only may easily behave in > vibration. I personally prefer starting with quite a lot of D (upon it > start to vibrate, then decrease by a factor of 2..), then only increase P. Thanks, I am now trying to find out what would be most convenient way for me to tune servos. I will try Your suggestion. -- Viesturs If you can't fix it, you don't own it. http://www.ifixit.com/Manifesto ------------------------------------------------------------------------------ LogMeIn Rescue: Anywhere, Anytime Remote support for IT. Free Trial Remotely access PCs and mobile devices and provide instant support Improve your efficiency, and focus on delivering more value-add services Discover what IT Professionals Know. Rescue delivers http://p.sf.net/sfu/logmein_12329d2d _______________________________________________ Emc-users mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/emc-users
