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 Robotics / 19522
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Subject: 
Re: Motor speed
Newsgroups: 
lugnet.robotics
Date: 
Fri, 22 Nov 2002 14:15:51 GMT
Original-From: 
Bruce Boyes <bboyes@systronixSTOPSPAMMERS.com>
Viewed: 
2304 times
  
Quoting Brass Tilde <brasstilde@insightbb.com>:

> I've just gotten my RIS 2.0, and I've noticed that the two motors appear
> to
> operate at slightly different speeds.  Is this something that is usual?

Yes.

If you are using multiple motors to drive a small robot one way to compensate is with rotation sensors, or use a single motor and a differential to get the robot to drive straight. Or maybe use multiple motors and a differentially-driven single rotation sensor to detect the difference in the two motor speeds.

Bruce



Message has 2 Replies:
  Re: Motor speed
 
(...) I figgered that was the case. <sigh> (...) At the moment, it doesn't interfere with anything, as I am just starting to build things and am just now building the roverbot and going through the various "challenges". I'll keep those in mind (...) (24 years ago, 22-Nov-02, to lugnet.robotics)
  Re: Motor speed
 
(...) I think in RCX you get 100 levels. We use JCX which gives us 255 levels. Either one should be plenty. Bruce ------- WWW.SYSTRONIX.COM ---...--- Real embedded Java and much more High speed 8051 systems +1-801-534-1017 Salt Lake City, USA (24 years ago, 22-Nov-02, to lugnet.robotics)

Message is in Reply To:
  Motor speed
 
I've just gotten my RIS 2.0, and I've noticed that the two motors appear to operate at slightly different speeds. Is this something that is usual, or am I looking at something that deserves replacement. I can live with the "suck it up" option, it (...) (24 years ago, 22-Nov-02, to lugnet.robotics)

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