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基于GPS的无线传感器网络同步,用于提取结构系统上的干扰传播
Jesus Ricardo Salazar-Lopez1, Jesus Roberto Millan-Almaraz2, Jose Ramon Gaxiola-Camacho3
1Department of Computer Science, Autonomous University of Sinaloa, Culiacan 80013, Mexico.
Sensors (Basel, Switzerland)
|January 11, 2024
概括
本研究介绍了一种经济高效的无线传感器网络 (WSN) 用于结构健康监测 (SHM). 拟议的RTC+PPS同步方法在实时振动分析中取得了100%的成功.
科学领域:
- 工程 工程师 工程师 工程师
- 计算机科学 计算机科学
- 物理 物理学 物理
背景情况:
- 无线传感器网络 (WSN) 在结构健康监测 (SHM) 方面越来越受欢迎.
- 现有的WSN设备可能很昂贵,限制了广泛采用.
- 实时,同步的加速数据对于SHM中的振动传播分析至关重要.
研究的目的:
- 为SHM应用开发一个具有成本效益的WSN.
- 为了实现实时,大规模的加速数据分析.
- 为了实现振动监控的传感器数据的精确同步.
主要方法:
- 开发一种低功耗,远程的WSN.
- 使用GPS接收器实现了实时时钟 (RTC) 和每秒脉冲 (PPS) 联合同步方法.
- 在一个全尺寸的钢I梁上进行同步加速度测量.
主要成果:
- 拟议的RTC+PPS同步方法在30个样本中实现了100%的同步成功.
- 证明了成功的实时同步加速数据采集.
- 该系统有效地捕获了钢I-beam结构中的振动传播.
结论:
- 开发的具有成本效益的WSN与RTC+PPS同步对SHM非常有效.
- 该系统为同步振动监控提供了可靠的解决方案.
- 这种方法有助于精确分析结构中的振动传播.
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