Subject:
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Re: Jumping 'bots?
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Newsgroups:
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lugnet.robotics
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Date:
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Wed, 1 Dec 1999 17:02:53 GMT
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Original-From:
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The WordMeister <dwilcox@SPAMLESSwordsmithdigital.com>
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Viewed:
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538 times
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Thanks! I had wondered how a jumping robot might be achieved. This document
has started the ideas flowing. :)
--Doug Wilcox
-----Original Message-----
From: Brown, Walt <Walt.Brown@Dialogic.com>
To: 'lego-robotics@crynwr.com' <lego-robotics@crynwr.com>
Date: Wednesday, December 01, 1999 11:31 AM
Subject: RE: Jumping 'bots?
If you're really into it, this site has some interesting info.
http://www.ri.cmu.edu/pubs/pub_2618.html
Walt Brown
-----Original Message-----
From: Christopher Lannan [mailto:shakguy@hotmail.com]
Sent: Friday, November 19, 1999 10:05 AM
To: lego-robotics@crynwr.com
Subject: Re: Jumping 'bots?
In lugnet.robotics, David Paule writes:
> > Power to weight ratio is going to be your enemy here.
>
>
> It might be possible to gradually wind up a bungee cord and then abruptly
> release it.
>
> That would permit a gradual conversion of electrical to mechanical energy • at a
> rate the the RCX permits, while still allowing high power for the short • time
> necessary to jump.
>
> Don't forget the suspension system. All that stored mechanical energy (most • of
> it, anyway) goes into potential energy at the top of the hop, and back into
> kinetic energy at good old Planet Earth.
>
> What are the first two rules for flying small planes? 1: Don't hit anything
> (like a planet). 2. Arrive alive. They apply here.
>
> Dave Paule
Yeah! The bungee idea would work! Combine that with the pogo idea- I'm
thinking for balance just put the bot inside a tripod or pyramid- basically
the pogo stick hangs from the top of the pyramid. Motors could angle it,
then
when the bungee shot the pogo, the bot would jump in that direction. The
pyramid could be your shock absorber.
Chris
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Message has 1 Reply:
 | | Re: Jumping 'bots?
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| Funny that this thread should come up again today- I saw on the Early Show this morning these cool remote controlled two-legged bots that stood up by themselves and balanced using a gyro-scope. A one legged hopper could probably balance this way, (...) (25 years ago, 1-Dec-99, to lugnet.robotics)
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