2012/1/27 Peter C. Wallace <p...@mesanet.com>: > On Fri, 27 Jan 2012, Viesturs L?cis wrote: > >> Date: Fri, 27 Jan 2012 22:49:38 +0200 >> >> From: "[UTF-8] Viesturs L?cis" <viesturs.la...@gmail.com> >> Reply-To: "Enhanced Machine Controller (EMC)" >> <emc-users@lists.sourceforge.net> >> To: "Enhanced Machine Controller (EMC)" <emc-users@lists.sourceforge.net> >> Subject: Re: [Emc-users] Servo tuning - wtf? >> >> 2012/1/27 andy pugh <bodge...@gmail.com>: >> >> On 27 January 2012 20:37, Viesturs Lяяcis <viesturs.la...@gmail.com> >> wrote: >> >>>> What's the PID output maxing out at? >>> >>> >>> OUTPUT_SCALE = 166.667 >>> OUTPUT_OFFSET = 0.0 >>> MAX_OUTPUT = 166.667 > > > So if you set the PID comps MAX_OUTPUT to 158 (and PWM scale is 166.67) that > will limit maximum PWM to the desired 95%
Ok, I will try that. BTW, can anyone explain, how to derive proper values for those 2 parameters? What I have there is max desired velocity in machine units per second. I do not remember, where did I get the information to do it that way, so I would like to find out, if that is correct? Viesturs ------------------------------------------------------------------------------ Try before you buy = See our experts in action! The most comprehensive online learning library for Microsoft developers is just $99.99! Visual Studio, SharePoint, SQL - plus HTML5, CSS3, MVC3, Metro Style Apps, more. Free future releases when you subscribe now! http://p.sf.net/sfu/learndevnow-dev2 _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
