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提出一种用于矿井环境中人员及其他活动目标位置跟踪的定位算法,分析了将现有基于RSSI测距的定位算法应用到矿井环境存在的问题;针对矿井下的地形环境和信号传播特性设计了地图和信号参数的配置形式;详细描述了基于路径搜索的定位算法的实现。采用ZigBee技术构建本算法的实现平台,实验结果表明:算法定位准确、运算量小,适合矿井下的大规模部署。
A positioning algorithm for position tracking of people and other activities in mine environment is proposed. The existing problems of applying existing positioning algorithms based on RSSI ranging to mine environment are analyzed. Aiming at the topographic environment and signal propagation characteristics in a mine The configuration of the map and signal parameters; the implementation of the location algorithm based on path search is described in detail. The implementation platform of this algorithm is constructed by using ZigBee technology. The experimental results show that the algorithm has the advantages of accurate positioning and small amount of operation, and is suitable for large-scale deployment in mines.