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    • 9. 发明授权
    • Fault detecting apparatus and method
    • 故障检测装置及方法
    • US5742624A
    • 1998-04-21
    • US387846
    • 1995-02-23
    • Atsushi IrieSusumu IshiguroHajime NishidaiHiroshi SomaNaohiro Tabata
    • Atsushi IrieSusumu IshiguroHajime NishidaiHiroshi SomaNaohiro Tabata
    • G05B19/05G06F11/00G08C25/00H03M13/00H04L1/00
    • G05B19/058G05B2219/1181
    • A control system for detecting a potentially faulty detector which may be causing faulty actuation of an actuator of a controlled system has an input-signal memory for storing the state of an input signal from the detector, an auxiliary input-signal memory for storing the state of an input signal provided by an auxiliary-signal generator, an arithmetic-logic unit for generating an output signal to be applied to the actuator in accordance with predetermined logic in conformity with the states of the input signals stored in the input-signal memory and auxiliary input-signal memory, and an output-signal memory for storing the state of an output signal generated by the arithmetic-logic unit. An identification code of an abnormal output signal corresponding to the abnormal actuator which is designated, and an input signal that has influenced a logical operation, performed by the arithmetic-logic unit, and which gave rise to the designated abnormal output signal, is extracted. If the extracted input signal is the signal that has been stored in the input-signal memory, an identification code of this input signal is stored in a storage device.
    • PCT No.PCT / JP93 / 01173 Sec。 371日期1995年2月23日 102(e)1995年2月23日PCT PCT 1993年8月23日PCT公布。 公开号WO94 / 04969 日期1994年3月3日用于检测可能导致受控系统的致动器的故障致动的潜在故障检测器的控制系统具有用于存储来自检测器的输入信号的状态的输入信号存储器,辅助输入信号 用于存储由辅助信号发生器提供的输入信号的状态的存储器,用于根据存储在所述辅助信号发生器中的输入信号的状态根据预定逻辑生成要施加到致动器的输出信号的算术逻辑单元 输入信号存储器和辅助输入信号存储器,以及用于存储由算术逻辑单元产生的输出信号的状态的输出信号存储器。 提取与由指定的异常致动器相对应的异常输出信号的识别码和由运算单元进行的影响逻辑运算的输入信号,并产生指定的异常输出信号。 如果提取的输入信号是已经存储在输入信号存储器中的信号,则该输入信号的识别码被存储在存储装置中。