Train- and rail equipment maker Alstom says it’s installing new-generation digital circuits that send data through rails to help operators better track and maintain the movement of freight and passengers.
Improved digital circuits installed in rail tracks allow operators to more closely monitor the condition of trains, their wheels and tell when tracks may be warped by intense heat.Think “advanced rail technology” and bullet trains or magnetic-levitation systems might come to mind.
“There's electrical current going through the rail that’s used to say: is there a train here or not? That technology hasn’t really changed much in 100 years,” Jeff Baker, vice president of Alstom’s freight and product division, told. That existing system, which also determines whether tracks are broken, detects a train’s position within only about two miles and transfers just 3 or 4 bits of data per second, he said.
“There’s something called a “sun kink” where the rail gets really hot and snaps,” Baker said. “With this technology, we can start to predict when those things are going to happen.”
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