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首页> 外文期刊>Zeitschrift fur Angewandte Mathematik und Mechanik >Shaped distributed piezoelectric sensors: Theory and experimental verification
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Shaped distributed piezoelectric sensors: Theory and experimental verification

机译：异型分布式压电传感器：理论和实验验证

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This paper is concerned with flexural deformations of smart beams with distributed piezoelectric sensors. We solve the problem of finding proper sensor-shapes facilitating the interpretation of the sensor output as deflections or slopes. Within the context of the classical lamination theory, considering coupling between the mechanical and electrical fields, the sensor output is derived by an integral equation, however an expression for the structural deformations is found by applying the principle of virtual work. The comparison of these integral equations then supplies a solution of the sensor shaping problem. Sensorshapes for measuring beam deflections are verified in a series of experiments. A comparison to a laser based measuring system indicates excellent coincidence between the measurements and gives evidence for the validity of the proposed type of sensor. [References: None]
机译：本文涉及具有分布式压电传感器的智能梁的挠曲变形。我们解决了寻找合适的传感器形状的问题，以便于将传感器输出解释为偏斜或斜率。在经典层压理论的背景下，考虑到机械场和电场之间的耦合，传感器输出是通过积分方程得出的，但是通过应用虚拟功原理可以找到结构变形的表达式。这些积分方程的比较然后提供了传感器整形问题的解决方案。通过一系列实验验证了用于测量光束偏转的传感器形状。与基于激光的测量系统的比较表明，测量之间的一致性极好，并为所建议的传感器类型的有效性提供了证据。 [参考：无]

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