Title :
Automation for gravity freight classification yards
Author_Institution :
General Railway Signal Company, Rochester, N. Y.
Abstract :
Recently developed speed-measuring and control systems automatically retard cars and guide them to classification tracks in modern gravity yards. Uncoupled from the train at the crest, ¿cuts¿ consisting of one car, or several coupled cars, having wide variations in rolling resistance select prior established routes and determine their own releasing speeds as they move by gravity to couple safely with other cars in the yard.
Keywords :
Companies; Electrical resistance measurement; Gravity; Power harmonic filters; Radar tracking; Resistance;
Journal_Title :
American Institute of Electrical Engineers, Part II: Applications and Industry, Transactions of the
DOI :
10.1109/TAI.1955.6367075
