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Modelisation and Analysis of an Ultrasonic System Based on Pvdf Piezopolymers

机译:基于PVDF压电聚合物的超声波系统的造型与分析

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This work describes the modelisation of a complete electronic system for transmission and reception of low frequency ultrasonic waves in air. It includes two non-conventional ultrasound transducers, realised by ferroelectric polymer technology, that carry on unimodal functions for medium- and short-range applications. Both the transmitter and the receiver are modelled as lumped parameter equivalent circuits, while the transmission medium is represented by a trans-impedance that accounts for the actual acoustic field. The system, including a flat reflector, is analysed by using Pspice simulator. The experimental results show a considerable improvement with respect to a previous analysis in terms of agreement between the model and the actual system.
机译:这项工作描述了一种完整的电子系统的造型,用于在空气中传输和接收低频超声波的传输和接收。 它包括由铁电聚合物技术实现的两个非传统超声换能器,该技术对中型和短距离应用进行单峰功能。 发射器和接收器都被建模为集总参数等效电路,而传输介质由用于实际声场的跨阻抗表示。 通过使用PSPICE模拟器分析包括平面反射器的系统。 实验结果在模型与实际系统之间的一致性方面,对先前的分析表现出相当大的改进。

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