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Laser Trains
No, Not to Pulverize Obstacles, To Measure Distance To Them | |
The same kind of laser radar that can be used to very accurately measure topographical layouts can be used to shoot out of the head of a in-motion train to scan within line of site for any obstacles on the track and engage brakes or take otherwise appropriate action
In all likelehood the laser would
not even need to be all that powerful and could be a cheap addition to all trains.
Of course other, more powerful means of detection could be used as well, upto and including interface to satellites (if they can see a license plate from space, perhaps they can see a car on the tracks?) that are not subject to line of site limitations.
But the laser method seems simple and straightforward
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LIDAR? What do you consider cheap? |
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well, my FX45 has dynamically adjusting cruise control based on recognizing the car in front. So I think the cost is certainly within reach of train companies |
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//dynamically adjusting cruise control based on recognizing the car in front// Recognising? Don't you mean "detecting"?
Or does it go "Uh-oh...Ferrarri, don't bother keeping up"? |
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Allright, SmartAbs, detecting. |
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And the FX45 has 315 HP, haven't had a problem keeping up with anyone :) |
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