Newsgroups: comp.robotics
Path: brunix!news.Brown.EDU!qt.cs.utexas.edu!cs.utexas.edu!sdd.hp.com!ncr-sd!sagpd1!monty
From: monty@sagpd1 ()
Subject: Re: A sense of balance
Message-ID: <1993Feb9.160905.20128@sagpd1>
Reply-To: monty@sagpd1.UUCP (Monty Saine)
Organization: Scientific Atlanta, Government Products Div, San Diego, CA
References: <1993Jan31.072524.14704@adobe.com>
Date: Tue, 9 Feb 1993 16:09:05 GMT
Lines: 16

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.
>
>   One idea is to use a thin plastic, a rolling magnet, and have a grid of 
>magnus effect transistors glued to the underside to sense the magnetic flux. 
>The grid would be scanned to get the values, convert to digital then 
>interpolate to determine the exact location.
>
>  A similar thing could be done with a LED hanging on a string and an array
>of photo-diodes.
>

	Or how about a ring of Hall effect sensors around a magnetic Pendulum?

	Monty Saine
