On Thursday 06 December 2012 22:52:27 Jon Elson did opine: > Michael Haberler wrote: > > sorry for what maybe sounds like a dumb question, but having read the > > Proctor/Shackleford paper on the influence of jitter on steppers > > which basically say: "all it causes is a loss of torque on the order > > of 10%" (given the figures at the time the paper was written), > > That's a bit dismissive of Fred and/or Will, a major RT stutter will > cause more > than a 10% loss of torque. I did an experiment a LONG time ago when I > developed the first hardware step generator for EMC(1) in 2001. I was > able to improve the top speed of a Sherline mill by a factor of about 5 > by creating much smoother step pulse trains than the software step > generator. I don't know the latency that machine had, but it was not > terrible. > > Jon > Chuckle. There's an echo in here, but you said it in a much sweeter tone of voice than I did. :D
Cheers, Gene -- "There are four boxes to be used in defense of liberty: soap, ballot, jury, and ammo. Please use in that order." -Ed Howdershelt (Author) My web page: <http://coyoteden.dyndns-free.com:85/gene> is up! How dare the government intervene to stifle innovation in the computer industry! That's Microsoft's job, dammit! I was taught to respect my elders, but its getting harder and harder to find any... ------------------------------------------------------------------------------ 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-developers mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/emc-developers
