To provide a multiplexing control device capable of obtaining a highly reliable output.SOLUTION: A first multiplexing control device 350 includes: three controllers 11, 12, 13 for outputting a state signal; a majority decision circuit 70 to which a first voltage or a second voltage is input as an output signal T from output lines 91, 92, 93 for each controller; switches 41, 42, 43 for each output line; pull-down resistors 51, 52, 53 for each output line for supplying a second voltage to the output line when the first voltage is lost in the output line; latch circuits 61, 62, 63 for each output line for latching the second voltage to continue to output the second voltage when the second voltage is input; comparison circuits 31, 32, 33 for each controller for outputting a comparison signal C based on comparison of a state signal; and switch control units 81, 82, 83 for each switch for outputting a switch signal K to a switch upon receiving a comparison signal C from the comparison circuit.SELECTED DRAWING: Figure 2
【課題】信頼性の高い出力の得られる多重化制御装置を提供する。【解決手段】第1多重化制御装置350は、状態信号を出力する3つのコントローラ11,12,13と、コントローラ毎の出力ライン91,92,93から出力信号Tとして第1電圧又は第2電圧が入力される多数決回路70と、出力ライン毎のスイッチ41,42,43と、出力ラインにおいて第1電圧が失われたときに出力ラインに第2電圧を供給する出力ライン毎のプルダウン抵抗51,52,53と、第2電圧が入力されたときに第2電圧をラッチして第2電圧を出力し続ける出力ライン毎のラッチ回路61,62,63と、状態信号の比較に基づき比較信号Cを出力するコントローラ毎の比較回路31,32,33と、比較回路からの比較信号Cを受けてスイッチに切替信号Kを出力するスイッチ毎のスイッチ制御部81,82,83とを有する。【選択図】図2
MULTIPLEXING CONTROL DEVICE FOR AIRCRAFT
航空機用の多重化制御装置
2021-09-16
Patent
Electronic Resource
Japanese
Aircraft Electrical System Multiplexing
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