Subject:
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RE: Two New Contests at BrickBots.Com
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Newsgroups:
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lugnet.robotics
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Date:
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Mon, 26 Feb 2001 21:01:19 GMT
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Original-From:
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B. Shahian <shahian@SAYNOTOSPAMcsulb.edu>
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Viewed:
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638 times
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go to this link to see a picture and details of a company that sells univ.
lab equipment. The challenge is whether this can be done using RCX.
http://www.quanser.com/cgibin/ats/public/frameRedir.pl?_fsdoc=/ats/ixExpr.ht
m&frBody=/cgibin/ats/public/frameRedir.pl%3F_fsdoc=/ats/fbExprRot.htm%26frDi
splay=pgexr6.htm
if there are problems with the link, go to the main site www.quanser.com and
click on quick list and click on rotary IP.
-----Original Message-----
From: news-gateway@lugnet.com [mailto:news-gateway@lugnet.com]On Behalf
Of Ralph Hempel
Sent: Monday, February 26, 2001 12:27 PM
To: lego-robotics@crynwr.com
Subject: RE: Two New Contests at BrickBots.Com
> Inverted Pendulum
> Start Date: 2/26/01
> End Date: 3/12/01
> Score Type: Points
> Description:
> A classic control problem: design a robot that balanaces a pendulum upside
> down in a 2-D plane (imagine balancing a broom on your open palm). This is
> an inherently unstable system whick makes it interesting.
>
> Official Rules:
> http://brickbots.com/rules.asp?cid=24
Rich,
Am I completely thick or is the problem simpler than I'm imagining? Way
back when at the University of Waterloo, we designed a 2D inverted pendulum
balancer on a plotter bed. The pendulum rotated a sensor, and we had to
move the bed to keep it stable. You'd get bonus points for moving the bed
in 2 dimensions....
I just don't understand the statement "Build a robot that stabilizes the
inverted pendulum by rotating it" or the picture (which should be enclosed
in a <pre> tag to display properly.
Please clarify as I'm anxious to make this robot :-)
Cheers, Ralph Hempel
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Message has 2 Replies:
 | | RE: Two New Contests at BrickBots.Com
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| (...) www.quanser.com and click on quick list and click on rotary IP. KaChing!!!! Great website! Now I get the problem..... By the way Rich, there are LOTS of ideas on this site for "experiments" I was thinking of solving the pendulum problem with a (...) (24 years ago, 26-Feb-01, to lugnet.robotics)
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Message is in Reply To:
| | RE: Two New Contests at BrickBots.Com
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| (...) back when at the University of Waterloo, we designed a 2D inverted pendulum balancer on a plotter bed. The pendulum rotated a sensor, and we had to move the bed to keep it stable. You'd get bonus points for moving the bed in 2 dimensions.... I (...) (24 years ago, 26-Feb-01, to lugnet.robotics)
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