Jon Elson <el...@...> writes: snip...
> Maybe the whole problem is the system is trying to have too much > bandwidth for an already sluggish mechanical system. With a 1 KHz > servo-thread, it is trying for a 500 Hz bandwidth, and everything should > just move to a lower bandpass. Especially on desktop machines with > little motors, they definitely can have some real mechanical response at > 500 Hz. > > On the other hand, I have had some improvement by increasing the > servo-thread rate, moving the 1/2 f noise up to a higher frequency. > > I'll be glad to demonstrate all of this behavior at the Fest, we can > instrument to your heart's content, and see what you think. I agree > that a gradual lowpass filter would introduce too much lag, but there > are a wide range of digital filter algorithms to choose from. > > Jon Thanks Jon I get the feeling you were responding to John K's comments more than my own... still I will take that as an invitation to attend the Fest in May ;-) Tom ------------------------------------------------------------------------------ This SF.net email is sponsored by: High Quality Requirements in a Collaborative Environment. Download a free trial of Rational Requirements Composer Now! http://p.sf.net/sfu/www-ibm-com _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
