Newsgroups: comp.robotics
Path: brunix!uunet!decwrl!netcomsv!mork!nagle
From: nagle@netcom.com (John Nagle)
Subject: Re: Heavy current motor control ?
Message-ID: <l2khsrmnagle@netcom.com>
Date: Tue, 25 Feb 92 07:57:17 GMT
Organization: Netcom - Online Communication Services  (408 241-9760 guest) 
References: <1992Feb24.180026.1@ualr.edu>

djlewis@ualr.edu writes:

>Hi folks,
>	I've gotten into a voluntier (sic)  situation recently that involves
>controlling some rather heavy duty none (sic) feedback motors. There are two
>independent 25 ampere DC motors which I wish to control forward/back/right/
>left. both motors are running when any direction is chosen. (?)

       There's a wide variety of commercial motor controls.  Could you
be clearer on exactly what kind of control you want?  Just speed control?
Servoing to a specified position?  Locking two motors together
electrically?  Or what?  Also, what kind of operating voltage are you
talking about?  Is this 25 amps at 10V in a model RC car or 25 amps
at 600V for a stage elevator?  If it's the former, electronic model
R/C speed controls are quite effective motor controls for up to
30 amps or so at up to 12-14V.  If it's the latter, try an industrial
controls supplier.

					John Nagle
