by Passenger
Article from IEEE Spectrum
IEEE is the Institute of Electrical and Electronic Engineers (and I am a member).
http://www.spectrum.ieee.org/mar09/7927
IEEE is the Institute of Electrical and Electronic Engineers (and I am a member).
http://www.spectrum.ieee.org/mar09/7927
[picture caption] A Norfolk Southern Railway freight train equipped with a new electronically controlled pneumatic (ECP) braking system comes down a mountain. It is the second such train that the company has equipped with ECP brakes.Synopsis: Electronically controlled pneumatic brakes open the valves on all the cars at once. Plenty of details in the article.