RE: [SLUG] A Challenge....

From: wchast@utilpart.com
Date: Mon Dec 23 2002 - 17:19:10 EST


Thank you, and indeed sensors are not that
expensive. These are just a single array of
sensors, two of them one horizontal and one
vertical, I do not think the price would be
that much more. I see them for sale all of
the time in electronics rags.

> -----Original Message-----
> From: Levi Bard [mailto:levi@bard.sytes.net]
> Sent: Saturday, December 21, 2002 01:46 PM
> To: slug@nks.net
> Subject: Re: [SLUG] A Challenge....
>
>
> > I think you mentioned how "commercial" solutions for this
> problem were
> > expensive? This may be the reason why. If I had unlimited
> funds to do
> > something like this, I'd probably use a grid of lasers. Or maybe
> > gravitic mass detectors. Or possibly force field
> perturbation anomaly
> > encoders. Using positronic neural nets, of course. ;-}
>
> You're talking about using a row of sensors vertically on the
> side of the sluice...why not have them across the top/bottom
> as well, effectively creating a grid? That would eliminate
> the problem of having one fish behind another, because the
> fish would set off different sensors in the y-plane, even if
> they had blocked the same ones in the x-plane. You have to
> buy more sensors, but it saves a LOT of effort in the
> software department.
>
> Levi
>

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