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首页> 外文会议>International Conference on Engineering Design and Automation >A Study on Confirming Functional Safety of Hazard Reporting-Type Sensors by Using Fail-Safe Multiple-Valued Logic
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A Study on Confirming Functional Safety of Hazard Reporting-Type Sensors by Using Fail-Safe Multiple-Valued Logic

机译：使用故障安全多价逻辑来确认危险报告型传感器功能安全的研究

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摘要

This paper describes the logic of confirming the functional safety of sensors. A sensor that transmits a high level of energy when it is safe in the detection zone is generally called a safety reporting-type sensor. A sensor that transmits a high level of energy when it is hazardous in the detection zone is generally called a hazard reporting-type sensor. This paper logically defines hazard reporting-type sensors and presents the conditions for confirming the functional safety of hazard reporting-type sensors. They are (i) the check made to see that the sensing function is normal and (ii) the check made to see that safety reporting can be stopped by the energy transmitted when it is hazardous in the detection zone. The latter check is equivalent to check of the NOT function of the sensor. Fail-safe monitoring circuits that meet these two conditions are shown as concrete configuration using fail-safe multiple-valued logic.
机译：本文介绍了确认传感器功能安全的逻辑。当在检测区域中安全时，传感器传输高能的能量通常称为安全报告型传感器。当在检测区域中危险时，传感器传输高能量的传感器通常称为危险报告型传感器。本文逻辑上定义了危险报告型传感器，并提供了确认危险报告型传感器功能安全的条件。它们是（i）检查，看看感测功能是正常的，并且（ii）检查所做的检查，以便在检测区危险时可以通过传输的能量停止安全报告。后者检查相当于检查传感器的不起作用。使用故障安全的多值逻辑显示满足这两个条件的故障安全监控电路。

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