1Research on a digital twin driven virtual debugging method for roadway automatic forming cuttingZHANG Xuhui, LIU Yanhui, YANG Wenjuan, ZHANG Chao, DU Yuyang, YANG Junhao, YANG WenyuAcademic Column of Editorial Board Member1-11,312Research status and prospects of UWB radar life information recognition for mine rescueZHENG Xuezhao, MA Yang, HUANG Yuan, CAI Guobin, DING WenAcademic Column of Editorial Board Member12-203Research on hydraulic control system for shield type temporary support robot driving under pressureMA Hongwei, LI Lang, XUE Xusheng, WANG Chuanwei, WANG Saisai, ZHAO Yingjie, ZHOU Wenjian, ZHANG HengAchievements of Scientific Research21-314Real time prediction technology for load bearing effect of hydraulic support after initial support based on data-driven approachJIA Yifan, FU Xiang, WANG Ranfeng, ZHANG Zhixing, SUN YanAchievements of Scientific Research32-395Research on the rapid construction platform of coal mine GIS one-mapHUANG Kun, JIANG Zhenpeng, YANG Xiaoyu, AN NingAchievements of Scientific Research40-46,1146Impact hazard area classification based on multi factor coupled quantitative characterization modelJIA Haibin, LIU Aixin, ZHANG Bin, FU Xiangchao, CAI WuAchievements of Scientific Research47-54,977Research on the features of impact damage in roadways in high stress fault structure areasWANG Fei, LI Mingli, WU Yifan, CAI DongAchievements of Scientific Research55-638Current status and key technology prospects of shearer intelligent developmentQIU Jinbo, LIU Cong, WU Haokun, ZHUANG Deyu, ZHU ShengqiangOverview64-789Research status and development direction of 5G key technologies for coal minesLI ChenxinOverview79-8810YOLOv5s pruning method for edge computing of coal mine safety monitoringCHEN Zhiwen, CHEN Ailiangfei, TANG Xiaodan, KE Haobin, JIANG Zhaohui, XIAO FeiAnalysis and Research89-9711Laser point cloud segmentation algorithm for hydraulic support based on neighborhood feature encoding and optimizationWANG Junfu, XUE Xiaojie, YANG YiAnalysis and Research98-106,17812Path planning method for coal mine inspection robotZHU Hongbo, HUA RongAnalysis and Research107-11413Recognition of violations in belt conveyor area based on multi-feature fusion for time-difference networkMA Tian, JIANG Mei, YANG Jiayi, ZHANG Jiehui, DING XuhanAnalysis and Research115-12214A method for updating sectional view automatically associated with mine 3D geological modelCHEN Yingxian, LI Jiaying, YANG Hongxia, YE YongchaoAnalysis and Research123-129,16415A metadata standard construction method based on intelligent mine data classification and coding standardsWANG Ying, ZU Zishuai, WANG ZhenhuaAnalysis and Research130-135,14616Equivalent energy storage model coupled electromagnetic wave energy safety analysis of metal structures in underground coal minesTIAN Zijian, HOU Mingshuo, SUN Jing, DU Xinxin, SHI YangmingAnalysis and Research136-14617Features of adsorption pore structure in high-rank coal and its influence on methane adsorption capabilityZHANG Liming, LIN Jianyun, SI Leilei, ZHAO Qiongxiang, WANG Chen, WU GuopengAnalysis and Research147-15518Structural planes recognition and occurrence statistics information collection method for high rock slopesJIANG Shuihua, YU Qi, HUANG He, CHANG Zhilu, MENG JingjingExperience Exchange156-16419Floor deformation control for roof cutting and pressure relief in gob-side entry retaining of deep buried minesSUN Jingkang, TU Min, ZHAO Qingchong, DANG Jiaxin, ZHANG Xin, LI YamianExperience Exchange165-17220Digital monitoring system for underground drilling in coal minesZHANG Youzhen, FAN Qiang, CHEN Long, CHEN Guo, SHUI Yang, LI WangnianExperience Exchange173-178 