On Thu, 8 Jan 2009, Peter C. Wallace wrote: > Date: Thu, 8 Jan 2009 10:27:06 -0800 (PST) > From: Peter C. Wallace <p...@mesanet.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] [utf-8] Re? 5i20+sevos and ??stepper?? > >> >> Can you repost the plots of your servo motion, maybe I can guess at whats >> wrong with the tuning? > > Never mind, I see you did and I missed it > > My first guess is that amplifiers velocity loop needs tuning
Also since this is starting from 0 velocity maybe this indicates stiction Can you do the same plot starting at some low velocity instead of 0 velocity? > > Peter Wallace > Mesa Electronics > > (\__/) > (='.'=) This is Bunny. Copy and paste bunny into your > (")_(") signature to help him gain world domination. > > > ------------------------------------------------------------------------------ > Check out the new SourceForge.net Marketplace. > It is the best place to buy or sell services for > just about anything Open Source. > http://p.sf.net/sfu/Xq1LFB > _______________________________________________ > Emc-users mailing list > Emc-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/emc-users > Peter Wallace Mesa Electronics (\__/) (='.'=) This is Bunny. Copy and paste bunny into your (")_(") signature to help him gain world domination. ------------------------------------------------------------------------------ Check out the new SourceForge.net Marketplace. It is the best place to buy or sell services for just about anything Open Source. http://p.sf.net/sfu/Xq1LFB _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users