3 ms·
How about an RFID chip (costs nothing) on every sleeper. Little database and you know exactly where you are. Accurate a few centimeters
by ulfw 9mo ago
How about an RFID chip (costs nothing) on every sleeper. Little database and you know exactly where you are. Accurate a few centimeters
- circuit10 9mo agoOr maybe a camera underneath the train? It could be the same kind of thing used in optical mice, or just count the sleepers
- defrost 9mo agoNot bad, but practically have you seen the underside of many trains? The spit up of grease, leaves, metal particulate from rail and wheel grind, etc gets pretty thick. The vision challenge is to cheaply and effectively keep a clean lens. There's a similar challenge in monitoring production conveyor belts in mineral processing - vibration, tempreture, rocks kick about, dust make for a savage environment.
- hengistbury 9mo agoUniversal Signalling are a company doing exactly this to give better train location information to signallers. https://www.universalsignalling.com/news/latest#h.12nuchpah7nq https://www.universalsignalling.com/news/latest#h.12nuchpah7...