基于超宽带技术的矿用人员精准定位系统

Precise positioning system for mine personnel based on ultra wide band technology

提出一种基于超宽带技术的矿用人员精准定位系统,通过分析典型的SDS-TWR算法基本原理,利用矿井CAD图纸及二维坐标定位算法,首次实现了在CAD二维平面内对井下人员位置进行实时、动态、同步跟踪监测、高精度定位与轨迹回放综合管理。系统在莱芜矿业马庄铁矿进行了现场测试,实验结果表明,超宽带信号覆盖范围200 m内,系统对静态目标定位误差小于30 cm,动态目标在25 km/h移动速度下,定位误差小于1.65 m,满足煤矿井下对人员定位要求,具有广阔的市场推广前景及应用价值。

Herein,a precise positioning system for mine personnel based on the ultra wide band(UWB)technology is proposed,and the basic principle of typical SDS-TWR algorithm is analyzed.Using mine CAD drawings and two-dimensional(2D)coordinate positioning algorithm,this is the first study to realize a comprehensive management system of real-time,dynamic,synchronous tracking and monitoring,high-precision positioning,and trajectory playback in a 2D-CAD plane.The system has been tested at the Mazhuang Iron Mine of Laiwu Mining.Experimental results show that within 200 m of the UWB signal coverage,the positioning error of the system with respect to a static target is less than 30 cm,and the positioning error of a dynamic target is less than 1.65 m with a moving speed of 25 km/h.The system meets the requirements of personnel positioning in coal mines and has a broad market potential and application values.