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 Robotics / 11144
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Subject: 
Re: Speed control of motors
Newsgroups: 
lugnet.robotics
Date: 
Thu, 30 Mar 2000 16:13:17 GMT
Viewed: 
4934 times
  
You should turn on and off the motor output and vary the ratio between
on and off. I'm not sure if it will works though.

Philippe

Skye Sweeney a écrit :
> 
> Someplace (a book or web page) I saw a way to control the speed of a
> mindstorm motor. Not just changing the power, but the speed.
> 
> If I remember right, they created an NQC task that did its own PWM on
> the motor output. I spent a frustrating evening trying to do this and got
> nowhere fast.
> 
> What I would like to be able to do is to make graceful turns of various
> radii by adjusting the speeds of the drive motors. Since the bot is only
> gently loaded, the power settings have little or no effect on the bot.
> 
> Any pointers or ideas would be welcome.
> 
> -Skye Sweeney
> (603) 885 7744
> 
> "God has nothing to do with Air Traffic Control. He is still mad we learned to fly."
> -Glenn Eaton

--
          Philippe Jadin
     Avenue Désiré Yernaux, 31
            1300 Wavre
           010 22 45 94
Votre site internet en un clin d'oeil :
      http://clairetnet.cjb.net
          Robot stuff goto :
http://users.swing.be/philippe.jadin



Message has 1 Reply:
  Re: Speed control of motors
 
Philippe Jadin wrote in message <38E37D1D.41AE5F3A@s...net.be>... (...) It works wonders! I've used that on just about all of my cartesian robots. Really smooths things out. An example for a simple linear axis set up like this: |O| |O| |O|] b |O| (...) (26 years ago, 30-Mar-00, to lugnet.robotics)

Message is in Reply To:
  Speed control of motors
 
Someplace (a book or web page) I saw a way to control the speed of a mindstorm motor. Not just changing the power, but the speed. If I remember right, they created an NQC task that did its own PWM on the motor output. I spent a frustrating evening (...) (26 years ago, 30-Mar-00, to lugnet.robotics)

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