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翻訳と辞書　辞書検索 [ 開発暫定版 ] スポンサード リンク Dead-man's vigilance device ： ウィキペディア英語版 Dead-man's vigilance device A dead-man's vigilance device is a railroad safety device that operates in the case of incapacitation of the engineer. It is a hybrid between a dead-man's switch and a vigilance control. The main safety failing with the basic dead-man's control system is the possibility of the operating device being permanently held in position, either deliberately or accidentally. The dead-man's vigilance device was developed to detect this condition by requiring that the dead-man's device be released momentarily and re-applied at timed intervals. ==Modern practice== Modern locomotive practice is to incorporate the dead-man's and vigilance functions under the control of the alerter or the event recorder.〔(Bach-Simpson Alerter )〕 This enables more sophisticated monitoring of the driver's alertness. The vigilance control cycle time can then be speed dependent, varying inversely to train speed in order to reduce the distance the train may travel before a non-response is detected and acted upon. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Dead-man's vigilance device」の詳細全文を読む スポンサード リンク 翻訳と辞書 : 翻訳のためのインターネットリソース Copyright(C) kotoba.ne.jp 1997-2016. All Rights Reserved.