Newsgroups: comp.robotics
Path: brunix!uunet!decwrl!elroy.jpl.nasa.gov!ames!sun-barr!cs.utexas.edu!bcm!aio!drseus!graves
From: graves@drseus.uucp (Philip Graves)
Subject: Re: A sense of balance
Message-ID: <1993Feb1.141359.20063@aio.jsc.nasa.gov>
Sender: news@aio.jsc.nasa.gov (USENET News System)
Organization: Lockheed Engineering & Sciences Company
References: <1993Jan31.072524.14704@adobe.com>
Date: Mon, 1 Feb 1993 14:13:59 GMT
Lines: 20

In article <1993Jan31.072524.14704@adobe.com> epperson@adobe.com (Mark Epperson) writes:
>I have been thinking of a sensor for center-or-gravity (balance).  The general
>idea is some form of rolling ball inside of a sphere or parabaloid.
> ....
>What do you think?  How would you solve the problem(s)?
>- Mark Epperson

I would buy a cheap joystick (the kind with two potentiometers) from 
a surplus electronics store, attach a heavy weight to the end of the 
joystick and mount it upside down. It would be a two d.o.f. pendulum.
You would have to take the centering springs out of the joystick if 
they were there.




-- 
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Philip Lee Graves, graves@drseus.jsc.nasa.gov
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