摘要
无人机测绘技术凭借其高效便捷的特点,在工程检测领域得到广泛应用,三维建模精度成为评估技术可靠性的关键指标。通过系统分析飞行参数,硬件系统,环境条件等影响因素,建立了完整的精度评估体系,研究表明,在150 m飞行高度,80%×65%重叠度配置下,三维建模精度可达±4.7 cm平面精度和±6.9 cm高程精度。实验验证了不同条件对建模精度的影响规律,其中飞行高度每增加50 m,精度约降低30%~40%,工程应用案例分析显示,该技术在桥梁监测中精度达±2.1 cm,建筑测量中精度为±4.2 cm,完全满足工程检测精度要求,为工程质量控制和安全监测提供可靠技术支撑。
Drone surveying technology has gained widespread application in engineering inspection due to its high effi ciency and convenience.The accuracy of 3D modeling has become a key indicator for evaluating technical reliability.Through systematic analysis of infl uencing factors such as fl ight parameters,hardware systems,and environmental conditions,a comprehensive precision evaluation system has been established.Research shows that under fl ight altitude of 150 meters and an overlap confi guration of 80%×65%,the 3D modeling accuracy can achieve±4.7cm in planar precision and±6.9cm in elevation precision.Experimental verifi cation demonstrates the impact patterns of diff erent conditions on modeling accuracy:for every 50-meter increase in fl ight altitude,precision decreases by approximately 30%~40%.Case studies in engineering applications reveal that this technology achieves±2.1cm precision in bridge monitoring and±4.2cm precision in architectural surveying,fully meeting the accuracy requirements for engineering inspections.This provides reliable technical support for quality control and safety monitoring in construction projects.
作者
王小通
李少杰
李楠
Wang Xiaotong;Li Shaojie;Li Nan(Xi'an Institute of Exploration and Surveying,Xi'an,Shaanxi 710054,China)
出处
《北斗与空间信息应用技术》
2026年第1期73-75,共3页
Beidou and Spatial Information Application Technology
关键词
无人机测绘
工程检测
三维建模
精度分析
建模精度
Drone surveying
Engineering inspection
3D modeling
Accuracy analysis
Modeling accuracy
