矿井动目标定位:挑战、现状与趋势
精确目标定位是煤矿安全高效生产的重要保障。分析了矿井动目标定位在巷道特征、采掘设备、多径特性、多址干扰、误差累积等方面面临的挑战;陈述了矿井定位的主流测距方法RSSI,TOA/TDOA,AOA/DOA;总结了最小二乘法、最大似然法、代价函数法、指纹膜法等常规位置估计方法,以及针对巷道特殊环境而设计的距离约束法、电磁波及超声波联合定位法等矿井专属位置估计方法;剖析了煤矿巷道的NLOS识别和抑制、路径损耗指数的实时计算、空间信息辅助的结果优化技术;指出了基于矿山物联网架构的定位发展趋势,借助矿山物联网的"物-物相连特征"特征,研究出性能更优的距离测量技术、位置估计方法和定位结果优化算法,理清矿井动...
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          | Published in | 煤炭学报 no. 5; pp. 1059 - 1068 | 
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| Main Author | |
| Format | Journal Article | 
| Language | Chinese | 
| Published | 
          
        2016
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| Subjects | |
| Online Access | Get full text | 
| ISSN | 0253-9993 | 
Cover
| Summary: | 精确目标定位是煤矿安全高效生产的重要保障。分析了矿井动目标定位在巷道特征、采掘设备、多径特性、多址干扰、误差累积等方面面临的挑战;陈述了矿井定位的主流测距方法RSSI,TOA/TDOA,AOA/DOA;总结了最小二乘法、最大似然法、代价函数法、指纹膜法等常规位置估计方法,以及针对巷道特殊环境而设计的距离约束法、电磁波及超声波联合定位法等矿井专属位置估计方法;剖析了煤矿巷道的NLOS识别和抑制、路径损耗指数的实时计算、空间信息辅助的结果优化技术;指出了基于矿山物联网架构的定位发展趋势,借助矿山物联网的"物-物相连特征"特征,研究出性能更优的距离测量技术、位置估计方法和定位结果优化算法,理清矿井动目标定位技术层次和发展脉络,深入剖析定位精度影响因素,为矿井动目标定位研究提供参考。 | 
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| Bibliography: | HU Qing-song, ZHANG Shen, WU Li-xin , DING En-jie ( 1. lnternet of Things ( Perception Mine) Research Center, China University of Mining & Technology, Xuzhou 221008, China ;2. The National and Local Joint Engineering Laboratory of lntenwt Application Technology on Mine, China University of Mining & Technology, Xuzhou 221008, China ;3. School of Environ- rnent Science and Spatial lnformaties, China University of Mining & Technology,Xuzhou 221008, China) internet of mine things; perception mine; object localization; coal roadway; working face 11-2190/TD The precise object localization system is a fundamental infrastructure for the safe and effective production incoal mines. Authors analyzed the key problems faced by the localization of mobile objects in coal mines,such as road-way characteristics,excavation equipment,multipath features,multi-site interferences and error accumulations. The ma-instream methods of range measurement,including RSSI,TOA/TDOA and AOA/DOA,were summarized. The authorsalso discussed the com  | 
| ISSN: | 0253-9993 |