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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Fri, 4 Dec 1998 18:27:15 GMT
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Original-From:
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Haines, Corey <corey_haines@cmvc.#Spamless#com>
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Viewed:
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2547 times
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One idea I was having was something like a ring that could shrink and
grow, sort of like have four sections, two of which can slide into the
other two, then, no matter what part you press on now, the whole ring
compresses into a smaller diameter. You could then attach a single
sensor somewhere along the ring, whenever and wherever there is a bump,
the ring would compress, the touch sensor would trigger. Of course, this
wouldn't give any direction information, but it would nonetheless need
only one sensor.
-Corey
> -----Original Message-----
> From: Laurentino Martins [mailto:lmartins@marktest.pt]
> Sent: Friday, December 04, 1998 1:10 PM
> To: Lego-Robotics
> Subject: Bumper Ideas Needed
>
>
> 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-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.
>
> By the way, anyone have any mechanical idea how to make a
> small round bumper that reacts to 360 degrees impacts (I
> mean, any horizontal impact around the sensor) and using only
> one sensor?
>
>
> Laurentino Martins
>
> [lau@mail.telepac.pt]
> [http://www.terravista.pt/Enseada/2808/]
>
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Message has 2 Replies:
 | | Re: Bumper Ideas Needed
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| What about an impact sensor that sits somewhere in the interior of the robot? Something similar to whatever triggers car alarms and/or car air bags. Perhaps one could be constructed using three touch sensors that would give a good indication of (...) (26 years ago, 4-Dec-98, to lugnet.robotics)
| | | Re: Bumper Ideas Needed
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| Check out some of the links that discuss using more than one sensor to a given imput. One article showed how to attach 3 touch sensors to one input and how to attach three light sensors to one input. Also how to make tempature sensors and etc. John (...) (26 years ago, 5-Dec-98, to lugnet.robotics)
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