基于GNSS-RTK技术的复杂建筑物形变监测系统研究
王逸峰 , 郑星龄 , 任俊铎 , 曲鹏程 , 于睿帆 , 孙卫东
内蒙古工业大学学报(自然科学版) ›› 2025, Vol. 44 ›› Issue (06) : 525 -532.
基于GNSS-RTK技术的复杂建筑物形变监测系统研究
Research on complex building deformation monitoring system based on GNSS-RTK technology
针对复杂建筑物在不同环境下的高精度形变监测需求,设计一种基于全球导航卫星系统(global navigation satellite system,GNSS)与实时动态定位(real-time kinematic,RTK)技术的高精度形变监测系统。首先,基于GNSS-RTK的定位原理,构建伪距观测和载波观测模型,研究了RTK任务的位置解算过程,改进部分模糊度固定的RTK定位算法。然后,搭建GNSS-RTK形变监测系统,设计针对复杂工况的双层基线监测策略。最后,在多个场景进行实验研究。实验结果显示,监测系统能满足毫米级精度的需求,同时在城市高层建筑和大型桥梁等结构的形变监测中具有较高的精度和可靠性。
In response to the requirement of high-precision deformation monitoring of complex buildings in diverse environments, a high-precision deformation monitoring system based on global navigation satellite system (GNSS) and real-time kinematic (RTK) technology was designed. Firstly, based on the positioning principle of GNSS-RTK, the pseudorange observation and carrier phase observation models were established. Subsequently, the position solution process of the RTK task was investigated, and some improvements were made to the RTK positioning algorithm for ambiguity fixation. Then, the GNSS-RTK deformation monitoring system was constructed, and a double-layer baseline monitoring strategy for complex working conditions was designed. Finally, experimental studies were carried out in multiple scenarios. The experimental results indicate that the monitoring system can meet the demand of millimeter-level precision and possesses relatively high precision and reliability in the deformation monitoring of urban high-rise buildings and large bridges, among others.
GNSS-RTK技术 / 复杂工况 / 形变监测 / 位置解算
GNSS-RTK technology / complex working conditions / deformation monitoring / positioning calculation
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新建合肥至武汉高速铁路(湖北段)站前工程HWZQ-3标段(HBSJ-202312TL-118001003)
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