1Research on key technologies of mine unmanned vehicleSUN Jiping, JIANG YingAnalysis Research1-5,312Research on the concept connotation,development goal and key technologies of data governance for smart mineTAN Zhanglu, WANG MeijunAnalysis Research6-143Research status and prospect of prognostics health management technology for mine inverter power devicesLI Hongyan, YANG Chaoxu, RONG Xiang, SHI Han, WANG Yue, LIU Bao, WANG LeiAnalysis Research15-204Roof stability evaluation of large section open-off cut in lower slice of slicing miningCHAI Jing, QIAO Yu, GAO Shigang, GAO Dengyan, CHEN Sushe, LYU Qingxu, DU Wengang, HAN ZhichengAnalysis Research21-315Measurement method of borehole wall resistivity for coal mine gas extractionLI Jie, LEI Zhipeng, LI Linbo, REN Ruibin, WANG Feiyu, XIANG XueyiExperimental Research32-386Network hole coverage reconstruction algorithm for post-disaster coal mine Internet of thingsHU Qingsong, FAN Xinge, LI HeExperimental Research39-457Defogging algorithm of underground coal mine image based on adaptive dual-channel priorWANG Yuanbin, WEI Sixiong, DUAN Yu, WU HuayingExperimental Research46-51,848Coal dust image segmentation method based on improved DeepLabV3+ZUO Chunzi, WANG Zheng, ZHANG Ke, PAN HongguangExperimental Research52-57,649Improvement of position and posture measurement system for boom-type roadheader based on machine visionZHANG Xuhui, WANG Heng, SHEN Qifeng, YANG Wenjuan, ZHANG ChaoExperimental Research58-6410Research on energy-saving optimal control method of belt conveyor in coal mineGAO Peilin, MIAO Xin, YANG FangExperimental Research65-71,7811Research on the relationship between energy dissipation and stress drop in uniaxial compression failure of coal samplesLOU Quan, WAN Xiangyun, JIA Bing, QIU Liming, SONG Yuxuan, PEGN DeshengExperimental Research72-7812Human posture detection method in coal mineWANG Xuan, WU Jiaqi, YANG Kang, PAN Ziheng, YANG Wei, WANG WenqingExperimental Research79-8413Flexible arc suppression method for single-phase to ground fault in distribution network based on Z-type grounding transformerSI Weibin, MA Kexiang, LEI Zhirong, DANG Changfu, SONG Guobing, YUN Baoji, LIU BinExperimental Research85-9214Research on security access model of coal mine safety supervision cloud data based on blockchainTAN Liangjie, LI Yongfei, WU QiongExperience Exchange93-9915Communication system of hydraulic support electro-hydraulic controller with fault diagnosis functionSONG Danyang, SONG Jiancheng, TAO Xinya, YANG Jinheng, LU ChunguiExperience Exchange100-10616Research on magnetic tracking and positioning technology for automatic driving in coal mineYANG LiExperience Exchange107-11117Design of coal mine inspection robot control systemCAI Zhihua, ZHOU Dongxu, ZHAO MinghuiExperience Exchange112-11718Design of data acquisition and analysis system for deep vertical shaftZHAO Baiting, PANG Meng, JIA XiaofenExperience Exchange118-12219Design of mine cascade converter with wide input voltage rangeLIU Yangqing, ZHOU YuanExperience Exchange123-12720"Three hole"in-situ test and evaluation of fault impermeability of coal seam floorDAI Lei, DUAN LihongExperience Exchange128-132 