无人机基于视觉测量多点移位测量桥梁的方法
Deyong Pan1,2, Wujiao Dai2, Lei Xing1,2
1National Engineering Research Center of High-Speed Railway Construction Technology, Changsha 410075, China.
Sensors (Basel, Switzerland)
|January 10, 2026
概括
本研究引入了一种新的无人机视觉系统,用于精确监测桥梁位移. 该方法实现了高精度,可与专业摄像机相提并论,增强了桥梁安全评估.
科学领域:
- 土木工程 土木工程是指土木工程.
- 地理学工程 工程地质学
- 结构健康监测 结构健康监测
背景情况:
- 使用无人机 (UAV) 进行基于视觉的桥梁位移测量,由于相机运动干扰和性能限制,面临着挑战.
- 现有的无人机运动校正方法缺乏有效的桥梁监控所需的精度.
- 需要高性能摄像头,可以充当适应性传感器,用于准确的结构监测.
研究的目的:
- 提出一种基于无人机视觉的新方法,用于测量桥梁的多点位移.
- 开发一个综合监控系统,包括无人机上的摄像头,计算终端和目标.
- 评估系统在运行负载下监控动态桥梁位移的性能.
主要方法:
- 开发基于无人机视觉技术的多点位移测量技术.
- 实施监控系统,包括无人机,计算终端和目标.
- 在Lunzhou高速公路桥上进行实地测试,以捕捉车辆负载下的动态位移.
主要成果:
- 拟议的系统准确地测量了在Lunzhou高速公路桥的整个跨度上的垂直多点位移.
- 监测结果与使用 Scheimpflug 相机获得的结果非常相似.
- 该系统实现了根平均平方误差 (RMSE) 低于0.3毫米.
结论:
- 开发的基于无人机视觉的方法有效地解决了桥梁位移监测方面的挑战.
- 该系统为桥梁安全评估和结构健康监测提供了必要的,高准确度的数据.
- 这些发现表明无人机作为精确基础设施监控的可行工具的潜力.
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