压电传感器的电阻抗模型

2016 IEEE First International Conference on Control, Measurement and Instrumentation (CMI) Pub Date : 2016-02-25 DOI:10.1109/CMI.2016.7413712

P. Banerjee, S. Dasgupta, R. Ghosh, B. Goswami

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引用次数: 0

摘要

本文提出了一种用于谐振频率分析的薄圆盘压电传感器的电阻抗模型。该传感器由粘接在金属条上的压电元件组成，因此，传感器的响应取决于压电元件和金属条的几何形状和振动模态。将实验测量的压电元件和相应传感器的阻抗响应与仿真响应进行了比较，验证了所提出的模型。研究揭示了压电体各方面的影响，以及金属条的加入对不同阻抗块的传感器响应的影响。

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Electrical impedance model of piezoelectric based sensor

An electrical impedance model of a thin disc piezo based sensor, used for resonance frequency analysis, is proposed in this paper. The sensor consists of the piezo element attached to a metallic strip with some adhesive and so, the response of the sensor is dependent on the geometry and modes of vibration of both the piezo element and the metallic strip attached to it. The experimentally measured impedance responses of the piezo elements and the corresponding sensors are compared with the simulated responses to validate the proposed model. The study reveals the effects of the various aspects of the piezo and the effect of addition of the metallic strip on the sensor response in terms of various impedance blocks.

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来源期刊

2016 IEEE First International Conference on Control, Measurement and Instrumentation (CMI)

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