Subject:
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Re: moving in a straight line with two motors?
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Newsgroups:
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lugnet.robotics
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Date:
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Fri, 13 Nov 1998 17:21:08 GMT
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Original-From:
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Alex Wetmore <alex@phred.org*SayNoToSpam*>
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Viewed:
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2249 times
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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).
alex
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Message has 3 Replies:
 | | Re: moving in a straight line with two motors?
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| Op een zekere dag, te weten Fri, 13 Nov 1998 17:21:08 GMT, klom lego-robotics@crynwr.com (Alex Wetmore) in het toetsenbord en schreef ons: (...) But you don't have to drive two weels. When you make one wheel for steering (thus making a (...) (26 years ago, 13-Nov-98, to lugnet.robotics)
| | | Re: moving in a straight line with two motors?
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| Alex Wetmore wrote in message (...) If you are thinking pneumatics and mindstorms, you might check out an electric pneumatic switch (made in Lego) at (URL) it is interesting to note that the piston of a fully charged and extended cylinder will (...) (26 years ago, 14-Nov-98, to lugnet.robotics)
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