从非静止桥-车辆交互信号中去除温度效应,用于ML损坏检测
Sardorbek Niyozov1, Marco Domaneschi1, Joan R Casas2
1Department of Structural, Geotechnical and Building Engineering, Politecnico di Torino, 10129 Turin, Italy.
Sensors (Basel, Switzerland)
|June 10, 2023
概括
这项研究引入了一种新的方法,用于使用机器学习检测桥梁损坏,计算交通和温度变化. 该方法有效地识别了结构性问题,提高了桥梁的安全性和可靠性.
科学领域:
- 结构工程 结构工程
- 人工智能的人工智能
- 交通基础设施 交通基础设施
背景情况:
- 桥梁是关键基础设施,需要持续的安全监测.
- 交通和环境因素使得桥梁损坏检测变得复杂.
- 现有的方法在运行和环境的变化方面面临着困难.
研究的目的:
- 提出和测试一种用于检测和定位桥梁损坏的方法.
- 为了应对交通和温度变化带来的挑战.
- 应用无监督机器学习用于结构健康监测.
主要方法:
- 利用主要组件分析从振动数据中去除温度效应.
- 采用无监督的机器学习算法来检测和定位损坏.
- 使用数字桥梁基准与模拟的交通负载和变化的温度验证了方法.
主要成果:
- 拟议的机器学习方法有效地检测和定位在操作和环境变化下的损害.
- 使用PCA去除温度在分析强制振动方面取得了成功.
- 这项研究证明了人工智能在复杂的桥梁健康监测中的承诺.
结论:
- 机器学习为复杂的桥梁损坏检测问题提供了一个有希望的解决方案.
- 该方法表明,有可能提高桥梁的安全性和可靠性.
- 未来的工作将专注于用现实世界的数据和更复杂的场景进行验证.
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