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Voltage relations for debonding detection of piezoelectric sensors with segmented electrode

机译:分段电极式压电传感器脱胶检测的电压关系

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The piezoelectric patches in sheet form have two electrodes for obtaining an electric potential when these patches are being deformed. These patches may be used as sensors in different structures for measuring local displacements/deformations. This information can be used in some techniques of structural health monitoring. However, the application of these methods depends on the health of the piezoelectric sensor. This research shows a technique for sensor debonding monitoring, which consists of segmenting the electrode of the piezoelectric sensor in three parts. Voltage relations between the segmented electrodes show a linear behavior and these relations correspond to force relations in electrodes. The results show that if debonding occurs, the force relations in electrodes are influenced and the voltage relations change. The method showed in this work can be used to identify debonding of piezoelectric sensors.
机译:片状压电贴片具有两个电极,用于在这些贴片变形时获得电势。这些贴片可以用作不同结构中的传感器,以测量局部位移/变形。此信息可用于结构健康监控的某些技术中。但是,这些方法的应用取决于压电传感器的健康状况。这项研究显示了一种传感器脱粘监控技术,该技术包括将压电传感器的电极分为三个部分。分段电极之间的电压关系显示线性行为,这些关系与电极中的力关系相对应。结果表明,如果发生脱粘,则电极中的力关系受到影响,电压关系发生变化。这项工作中显示的方法可用于识别压电传感器的脱胶。

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