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X-Mailer: Mozilla 4.75 [en] (Win98; U)
Subject: Re: Vehicle Detection using RFID other technologies.
Organization: Chariot Internet - http://www.chariot.net.au
Date: Tue, 05 Nov 2002 23:05:21 +1030
NNTP-Posting-Date: Tue, 05 Nov 2002 23:31:27 EST
Not so. I implemented such a scheme as part of a fleet network that
operated over much greater distances on a fraction of that budget. That
used long range commercial data radio, GPS etc etc to manage the fleet,
the mine site and direct internet access to all vehicles. You could
knock a '0' off your budget. For something this simple it took just 2
weeks and a fiftieth your budget to produce a 4 vehicle demo. As for
weather, the large system had to function in the Australian outback off
truck power, the smaller one in the Indonesian rain forest for 2 years
from a single cell.
If the poster is interested in cheap solutions he can contact me
> You don't need a news group, you need a systems house and $500,000++ budget.
> "Sanjeev Gupta" wrote in message
> > We are looking for a transmitter/receiver that can detect a vehicle,
> > equipped with a transmitter, travelling at a speed of upto 100 km. per
> > hour on a highway. The receiver should be able to read a serial number
> > from the tag attached to the vehicle and send it to a receiver
> > attached to a computer via serial/USB port. There should not be any
> > restriction for direct line-of-sight between the vehicle and the
> > receiver/sensor. The sensor shall be placed at a distance of 100
> > meters from the vehicle. The sensors/transmitters should be able to
> > function in a rugged environment with dust and heat. There should be
> > no human intervention required. The product should be low-cost and
> > require no or little maintenance.
> > We will not be able to use the road loop antenna or overhead gantries.
> > Please keep the following issues in mind :-
> > 1. The speed of the truck can be between 60 to 100 km/hr.
> > 2. There can be more than one truck within the range of the receiver
> > at any given point.
> > 3. The truck can stop witihin the receiver range. In such a situation
> > the receiver should not record multiple instances of the trucks
> > presence.
> > 4. There can be bumper to bumber traffic and the truck can be in the
> > further most lane.
> > 5. There could be line of sight between truck and receiver
> > 6. Computer being on throughout, should not result frequent
> > breakdowns.
> > 7. Distance between truck and receiver can be upto 100 meters.
> > 8. Climate conditions.
> > 9. Power problems on non-city roads. Battery backups.
> > Best Regards
> > Sanjeev Gupta
> > Trukk.Com
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