PID control

what does it mean by "servo controller that offers full PID control at 20 kHz servo rate" what this phrase convey ...any illustration.
kristo
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On 9 Jan 2004 02:00:30 -0800, snipped-for-privacy@hotmail.com (Krish) wrote:

This describes a closed-loop controller where the feedback has terms that are:
1) Proportional to the loop error 2) Proportional to the integral of the loop error 3) Proportioanl to the rate of change of the loop error
and these terms are re-calculated 20,000 times per second.
-Robert Scott Ypsilanti, Michigan (Reply through this forum, not by direct e-mail to me, as automatic reply address is fake.)
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http://www.expertune.com/articles.html
www.expertune.com/artCE87.html
www.jashaw.com & www.jashaw.com/pid/tutorial/
www.engin.umich.edu/group/ctm/PID/PID.html
www.control.com/

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