运动称重系统中压电传感器的仿真

2015 Symposium on Piezoelectricity, Acoustic Waves, and Device Applications (SPAWDA) Pub Date : 2015-12-28 DOI:10.1109/SPAWDA.2015.7364457

Hai-lang He, Yun Wang

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引用次数: 3

摘要

为了了解运动称重系统中压电传感器的机电特性，为数据后处理提供理论支持，本文建立了运动称重系统中嵌入道路的梁式压电传感器的三维实体有限元模型。将车辆模拟为移动集中荷载。得到了不同车速和车辆重量下压电传感器的输出电压信号。结果表明，压电传感器的输出信号可用于提取车辆轴重和速度的有效信息。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Simulation of piezoelectric sensor in weigh-in-motion systems

In order to understand the electro-mechanical characteristics of the piezoelectric sensor in weigh-in-motion system and theoretically support the data post-processing, this paper established a 3D solid finite element model of beam type piezoelectric sensor of a weigh-in-motion system, which was embedded in the road. The vehicles ware simulated as moving concentrated load. The signals of the output voltage of the piezoelectric sensor were then obtained in different speed and weight of vehicles. The results showed that the output signal of the piezoelectric sensor could be used to extract the effective information of the axle-weight and speed of the vehicle.

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2015 Symposium on Piezoelectricity, Acoustic Waves, and Device Applications (SPAWDA)

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