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Subject: 
Re: moving in a straight line with two motors?
Newsgroups: 
lugnet.robotics
Date: 
Sat, 14 Nov 1998 02:10:12 GMT
Viewed: 
4791 times
  
Alex Wetmore wrote in message <008601be0f2a$01b82140$01fa3b9d@awetmore.dns.microsoft.com>...
> From: John Scott Kjellman <jkjellman@ameritech.net>
> > Instead of using the differential for angle sensors, why not use it to
> > allow a single motor to drive both wheels?  Then a single angle sensor
> > coupled with a motor could drive the steering mechanism.  This setup
> > would be very similar to a radio controlled car.
> 
> 
> The main downside with this approach is that you can't turn on axis (so your
> vehicle will no longer have a turning radius of 0).
> 
> When I first got the mindstorms I thought that it would be interesting to
> have a vehicle which put down a foot, lifted itself up, turned, and put
> itself back down.  It would be possible to do this with two motors (either
> using one for both lifting and driving or lifting and turning), but it
> seemed like making the lifting foot work properly would be difficult
> (although it might not be too bad if you used pnuematics).

    This would give you a good turning radius.  However, it would take
    the bot a long time to turn.

> 
> alex
> 



Message is in Reply To:
  Re: moving in a straight line with two motors?
 
From: John Scott Kjellman <jkjellman@ameritech.net> (...) The main downside with this approach is that you can't turn on axis (so your vehicle will no longer have a turning radius of 0). When I first got the mindstorms I thought that it would be (...) (28 years ago, 13-Nov-98, to lugnet.robotics)

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