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From: minsky@media-lab.MEDIA.MIT.EDU (Marvin Minsky)
Newsgroups: comp.robotics
Subject: Re: Torque control of motors
Message-ID: <5532@media-lab.MEDIA.MIT.EDU>
Date: 20 Mar 91 08:10:06 GMT
References: <5470@umbc3.UMBC.EDU>
Reply-To: minsky@media-lab.media.mit.edu (Marvin Minsky)
Organization: MIT Media Lab, Cambridge MA
Lines: 6

In article <5470@umbc3.UMBC.EDU> mittal@homer.engr.umbc.edu (Samir Mittal) writes:
>Are there special type of motors in which we can specify 
>the torque that we want?

For most permanent magnet DC motors, the torque is proportional to the
current.  But the field must be uniform, so the more commutator
segments the better.