Subject:
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Re: Bumper Ideas Needed
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Newsgroups:
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lugnet.robotics
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Date:
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Sat, 5 Dec 1998 11:15:01 GMT
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Original-From:
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Peter Hesketh <pbh@phesk.demon+IHateSpam+.co.uk>
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Viewed:
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1081 times
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In article <4.1.19981204174702.00a0a030@195.61.90.220>, Laurentino
Martins <lmartins@marktest.pt> writes
> I've been the working in making a flexible bumper using only one switch for my
> CyberMaster and after constructing about 4 or 5 prototypes I've found out that
> after all I don't know how to make a decent flexible-and-with-lots-of-travel
> bumper.
> I need such a bumper for detecting impacts ahead of the real impact so I can
> make a soft stop before impacting the object. Also, the bumper should be able to
> read impacts with a wide angle (45 degrees).
>
> Since it seems bumpers are one of those things everybody needs and LEGO has
> forgotten to create, I think we could create a mini-contest on how to create the
> best bumper with standard LEGO parts.
I don't know which Lego components you could use for this, but I once
saw an all-round bump sensor which looked like the wire frame of a
lampshade, the sort which is like a truncated cone. There was a sort of
cross-wire at the top which carried a plate which rested on a switch on
the top of the robot, and the lower rim was about 10mm from the floor,
encircling the robot.
When the lower circle hit something, the whole frame tilted, releasing
the switch.
--
Regards - Peter Hesketh, Mynyddbach, Mon.
Forty reasons why a dog is better than a woman: number 10
"Dogs are excited by rough play."
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Message is in Reply To:
 | | Bumper Ideas Needed
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| Hi I've been the working in making a flexible bumper using only one switch for my CyberMaster and after constructing about 4 or 5 prototypes I've found out that after all I don't know how to make a decent flexible-and-with-lo...-of-travel bumper. I (...) (26 years ago, 4-Dec-98, to lugnet.robotics)
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