CAD CAM EDM DRO - Yahoo Group Archive

Re: [CAD_CAM_EDM_DRO] servo control

Posted by Binoy Shenoy
on 2003-09-08 07:48:10 UTC
I am talking about keeping the motor fixed in a certain position so that it does not move. This is when it is not in motion.

Jon Elson <elson@...> wrote:

binoyshenoy wrote:

>How does a servo motor lock in place? What kind of excitation should
>be given by the drive?
>
>
An encoder senses position, and the drive or computer sends a correction
signal if the motor drifts off position. Some servo drives also use a
tachometer
that allows the velocity to be kept constant even between encoder updates.

For a brush DC motor drive, there would be a voltage applied to the motor
to get motion in the proper direction.

Jon


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Discussion Thread

binoyshenoy 2003-09-07 12:08:20 UTC servo control Jon Elson 2003-09-07 21:28:50 UTC Re: [CAD_CAM_EDM_DRO] servo control Binoy Shenoy 2003-09-08 07:48:10 UTC Re: [CAD_CAM_EDM_DRO] servo control Jon Elson 2003-09-08 09:37:21 UTC Re: [CAD_CAM_EDM_DRO] servo control alenz2002 2003-09-09 00:01:31 UTC Re: servo control tomp_tag 2003-09-09 07:44:41 UTC Re: [CAD_CAM_EDM_DRO] servo control