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BACKUP CONTROL TECHNIQUE FOR 20 PIPE BRAKING SYSTEM
BACKUP CONTROL TECHNIQUE FOR 20 PIPE BRAKING SYSTEM
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机译:20管道制动系统的备份控制技术
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摘要
In an electro-pneumatic brake control system for a railway train, pressure in the brake cylinder is maintained despite the loss of pressure in the "20 pipe" brake line, or failure of a key relay valve that controls pressure to that brake line. Feedback signals derived from the "20 pipe" brake line when found to be inappropriate after a predetermined amount of time are substituted for by brake command signals generated by the brake controller.
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