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Investigations of on-line/off-line tests for sensors

机译:对传感器的在线/离线测试的调查

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The demand for reliability verification of a system in the operating phase has increased due to the integration of analog and/or digital circuits into more fields of application. It is known that sensor parameter variation in analog circuits leads to faulty results. Determining whether an operation point is to be tolerated needs to be handled in the operation phase. The proposed methods achieve high fault coverage and needs no additional analog test input. It is shown that an online response evaluation is as good as an offline. A temperature measurement system is the example used in this experiment. A comparison is done with other test methods, supply current supervision and the correlation of the output voltage to the supply current.
机译:由于模拟和/或数字电路集成到更多应用领域,对操作阶段中系统的可靠性验证的需求增加。众所周知,模拟电路的传感器参数变化导致结果有故障。确定是否需要在操作阶段处理要容忍操作点。所提出的方法实现了高故障覆盖,不需要额外的模拟测试输入。结果表明,在线响应评估与离线一样好。温度测量系统是该实验中使用的示例。使用其他测试方法,供应电流监控和输出电压与电源电流的相关性进行比较。

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