PSN-L Email List Message

Subject: Re: Multi-Dimensional-Sensor, First Time Of Arrival Only
From: "Geoffrey" gmvoeth@...........
Date: Thu, 28 Jun 2007 21:19:32 -0700

There is one called (not sure of spelling) michaelson Interferometer
that uses a laser interference pattern to count the patterns
and use this to tell the deflection of whatever.

Have you ever seen anything relating to bouyancy or levitation ?

I have the awareness that it might be possible with the aid
of a PID loop (Proportional/Integral/Derivative) feedback
like the cruise control in a car used in conjunction with
a hall effect sensor to fix a mass at a stable point and measure
the energy used to keep it at the refrence point.
PID is commonly used in industrial control to fix settings
like temperature and flow rates.
Any Ideas Here ?


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