| Multiple-unit Train Control |
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Information AboutMultiple-unit Train Control |
| CATEGORIES ABOUT MULTIPLE-UNIT TRAIN CONTROL | |
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The system was designed by Frank Sprague and tested on the Chicago 'L' in 1897 . Sprague also designed the first practical Trolley car in the United States Of America . ''MU'' operation solved a problem in the control of Street Cars and Rapid Transit cars, where trains were made up of individually self-powered cars, or a combination of self-powered and unpowered cars. The problem involved not only the issue of transmitting control signals between cars, but also of making certain that the motors in all the cars operated in the same fashion and responded simultaneously to changes in the control signals issuing from the operator's position. Electric railways are the primary market for ''MU'' devices, but are also used in Petrol propelled vehicles. (See Diesel Multiple Unit .) The invention of ''MU'' by Sprague made modern rapid transit ( Metro ) and other commuter railway systems using self-propelled equipment possible. EXTERNAL LINKS |
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