On Sun, 2007-10-14 at 19:42 -0500, Chris Radek wrote:
> On Sun, Oct 14, 2007 at 05:39:02PM -0700, Kirk Wallace wrote:
> > In case anyone is interested, I have my latest tuning results at these
> > links:
> > 
> > http://www.wallacecompany.com/cnc_lathe/HNC/emc2/pid_x-1b.png
> > 
> > http://www.wallacecompany.com/cnc_lathe/HNC/emc2/pid_z-1b.png
> 
> Much better!  You should be able to add some "I" now to get rid of the
> steady state errors.
> 
> Chris

I seem to recall putting in 1.0 for I and got an oscillation. Maybe I
should try some fractional settings.
-- 
Kirk Wallace (California, USA
http://www.wallacecompany.com/machine_shop/ 
Hardinge HNC lathe
Bridgeport mill conversion pending
Zubal lathe conversion pending)


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