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:
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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Jon Elson <elson@...> wrote:
binoyshenoy wrote:
>How does a servo motor lock in place? What kind of excitation shouldAn encoder senses position, and the drive or computer sends a correction
>be given by the drive?
>
>
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
Addresses:
FAQ: http://www.ktmarketing.com/faq.html
FILES: http://groups.yahoo.com/group/CAD_CAM_EDM_DRO/files/
Post Messages: CAD_CAM_EDM_DRO@yahoogroups.com
Subscribe: CAD_CAM_EDM_DRO-subscribe@yahoogroups.com
Unsubscribe: CAD_CAM_EDM_DRO-unsubscribe@yahoogroups.com
List owner: CAD_CAM_EDM_DRO-owner@yahoogroups.com, wanliker@..., timg@...
Moderator: pentam@... indigo_red@... [Moderators]
URL to this group: http://groups.yahoo.com/group/CAD_CAM_EDM_DRO
OFF Topic POSTS: General Machining
If you wish to post on unlimited OT subjects goto: aol://5863:126/rec.crafts.metalworking or go thru Google.com to reach it if you have trouble.
http://www.metalworking.com/news_servers.html
http://groups.yahoo.com/group/jobshophomeshop I consider this to be a sister site to the CCED group, as many of the same members are there, for OT subjects, that are not allowed on the CCED list.
NOTICE: ALL POSTINGS TO THIS GROUP BECOME PUBLIC DOMAIN BY POSTING THEM. DON'T POST IF YOU CAN NOT ACCEPT THIS.....NO EXCEPTIONS........
bill
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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