基于共聚物压电传感器和ARM的交通数据采集系统

Intelligent Traffic Data Acquisition System Based on Copolymer Piezoelectric Sensors and ARM

汽车保有量的不断增多,超速、超载、交通拥堵的情况的不断增加,对城市交通的管理提出巨大的挑战,针对这种情况,设计了一种以ARM处理器STM32F103为核心、利用共聚物压电传感器和地感线圈进行动态称重、速度监控、车俩分类统计的智能交通数据采集系统;详细介绍了系统的方案设计、硬件结构组成、及其硬件电路设计和软件设计;测试结果表明:该系统灵敏度高,重复性好,实时性强,数据测量准确,当汽车以大于20km/h的速度行驶时,测量误差可达到1%,车重数据精确度为10%;该系统具有广泛的应用前景和市场。

with the increasing of auto possession,the speeding,overload,traffic jams are also increasing,the situation of urban traffic management faced huge challenge.In this kind of situation,writer design a kind of intelligent transportation data acquisition system of vehicle classified statistics with STM32F103 ARM processor as the core,using copolymer piezoelectric sensors and coils for dynamic weighting and speed monitoring.This paper introduces the system of project design,hardware structure,the hardware circuit design and software design.Test results show that the system is high sensitivity,repeatability,good real-time performance,and weighing precision of ±10%.It has a broad prospect of application and market.