用MEMS加速传感器进行振动分析和车辆检测,这些传感器嵌入PCC路面
Congyi Chang1, Linghui Kong1,2, Libin Han3
1Key Laboratory of Civil Engineering Safety and Durability of China Education Ministry, Department of Civil Engineering, Tsinghua University, Beijing 100084, China.
Sensors (Basel, Switzerland)
|May 14, 2025
概括
这项研究开发了一种简单,准确的方法,使用嵌入式加速度计通过分析振动数据来检测波特兰水泥混凝土 (PCC) 路面上的车辆. 最佳的传感器放置可以提高低成本的实时路面监测和交通管理.
科学领域:
- 土木工程 土木工程是指土木工程.
- 运输工程 运输工程
- 材料科学 材料科学 材料科学
背景情况:
- 有效监测波特兰水泥混凝土 (PCC) 路面对于基础设施维护和交通管理至关重要.
- 动态车辆加载会在路面上产生振动反应,这些振动反应可以被分析用于检测和监测.
- 现有的车辆检测方法可能很复杂或昂贵,需要更简单,更有效的替代方法.
研究的目的:
- 开发和验证一种成本效益高的方法,用于使用嵌入式传感器在PCC路面上自动检测车辆.
- 为了优化传感器的位置,最大限度地捕获振动信号.
- 评估用于分析加速数据的拟议值方法的准确性和效率.
主要方法:
- 在PCC路面板中嵌入微电机系统 (MEMS) 加速度计传感器.
- 在动态车辆负载下记录路面振动信号.
- 开发和应用一个值算法加速时间域数据用于车辆检测.
- 调查传感器放置位置和值对检测性能的影响.
主要成果:
- 拟议的值方法在自动车辆检测方面实现了超过85%的精度和召回率.
- 在路面板的前端或后端确定了最佳的传感器位置,以最大限度地提高振动响应.
- 该方法证明了简单性和准确性的平衡,而不需要复杂的信号消噪.
- 实验验证证了实时检测方法的有效性.
结论:
- 嵌入式MEMS加速度计和值方法提供了一个简单,准确和具有成本效益的解决方案,用于PCC路面上的实时车辆检测.
- 优化的传感器放置提高了这种监控技术的效率.
- 这种方法支持改善路面性能监测,维护策略和交通管理.
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