Subject:
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Re: Dumb AI
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Newsgroups:
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lugnet.robotics
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Date:
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Mon, 7 Feb 2000 22:33:37 GMT
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Original-From:
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Brian B. Alano <alano@%SayNoToSpam%kiva.net>
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Viewed:
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1375 times
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I would have built it, but while waiting my opportunity, I was doubly inspired: I
combined the micro-rover concept with Ben's Rock Stupid Rover and came up with:
The Autonomous Mini-Rover! (Also known as the Rock Stupid Ant).
No scanner, no digital camera. No time to LDraw it. But I did come up with two
major innovations (for me, anyway):
1) No turntable needed! More precisely, the differential *is* the turntable. I
meshed the 24 tooth differential gear to an 8 tooth gear, which was fixed to the
cross-axle hole in a triangular plate.
2) I used a micro-motor axle-pulley for the Rock Stupid program 3. I attached it
to the inside end of one rear axle and inserted the inside end of the other rear
axle about 1/4 stud length into it. The result: limited-slip!
Hey, the micro-rover idea was Ben's, too! Wow! Keep up the mind storms, Ben!
Ben Jackson wrote:
> In lugnet.robotics, David Leeper writes:
> >
> > As I understand Ben's bot, it's built with a diferential. When the robot
> > drives normally, the differential turns only the front wheel, moving the bot
> > forward. When the bot hits something the front wheel will jam, causing the
> > differential to drive the back wheels, which turns the bot based on how you
> > design the back wheel drive.
>
> Actually the front fork turns to steer the robot when it stalls. The
> importance of the back wheels is to cause front wheel stalls WITHOUT hitting
> something. A semi-rigid rear axle means that large turns cause stalls, which
> influences the robot to do more straight driving than spinning in circles.
>
> I really recommend that people with a motor and a turntable build it. It's
> amazing to watch it move around.
>
> --Ben
--
______________________
You hear, O LORD, the desire of the afflicted; you encourage them, and you listen
to their cry --Psalms 10:17
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Message has 1 Reply:
 | | Re: Dumb AI
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| I made time to provide you with some pictures (took it out of my sleep (...) inspired: I (...) with: (...) the (...) it (...) rear (...) (25 years ago, 8-Feb-00, to lugnet.robotics)
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Message is in Reply To:
| | Re: Dumb AI
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| (...) Actually the front fork turns to steer the robot when it stalls. The importance of the back wheels is to cause front wheel stalls WITHOUT hitting something. A semi-rigid rear axle means that large turns cause stalls, which influences the robot (...) (25 years ago, 7-Feb-00, to lugnet.robotics)
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