To provide a redundant sensor device with which, while having a redundant system of sensors connected to an electronic control device, it is possible to reduce the circuits, signal lines, etc., of the same.SOLUTION: In at least two sets of independent sensors connected to an electronic control device, the first set of sensors is provided with at least wo output signal ports, and the second set of sensors is provided with one output signal port, the two output signals of the first set differing in characteristics having a predetermined given relation, the one output signal of the second set having equivalent characteristics to either one of the two output signals of the first set, the electronic control device being provided with an abnormality determination unit and constituted so as to compare all output signals, with a normal signal used for control.SELECTED DRAWING: Figure 2
【課題】電子制御装置に接続されたセンサの冗長系を有した状態で、その回路、信号ライン等を削減できる冗長系センサ装置を提供する。【解決手段】電子制御装置に接続された少なくとも2組の独立したセンサにおいて、1組のセンサには少なくとも2つの出力信号ポートを備え、2組目のセンサには1つの出力信号ポートを備え、1組目の2つの出力信号は予め定めた一定の関係を有した異なる特性であり、2組目の1つの出力信号は、1組目の2つの出力信号のどちらか一方と同等の特性を有し、電子制御装置には異常判断部を備え、すべての出力信号を比較するように構成されており、制御には正常な信号を使用するようにする。【選択図】図2
REDUNDANT SENSOR DEVICE
冗長系センサ装置
2020-10-29
Patent
Electronic Resource
Japanese
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