1Research and application of intelligent early warning system for coal mine firesLIU Dongyang, ZHANG Lang, YAO Haifei, XU Changfu, ZHAO Youxin, ZHANG Yibin, DUAN SigongAchievements of Scientific Research1-8,162Automatic height adjustment technology of shearer based on cutting roof and floor height prediction modelLI Zhongzhong, LIU QingAchievements of Scientific Research9-163A coal mine data acquisition,fusion and sharing system based on object modelSHANG Weidong, WANG Haili, ZHANG Xiaoxia, WANG Hao, XU HualongAchievements of Scientific Research17-24,344Underground personnel positioning system based on 5G+UWB and inertial navigation technologyLI Mingfeng, LI Yan, LIU Yong, WU Xuesong, XU Jisheng, CHANG Jianming, WANG Tao, PAN HongguangAchievements of Scientific Research25-345Hydraulic fracturing and punching integration enhanced permeability gas extraction technologyWANG BaoguiAchievements of Scientific Research35-416Research progress on coal rock recognition technology based on electromagnetic wavesLIU Yuan, SI Lei, WANG Zhongbin, WEI Dong, GU JinhengOverview42-48,657A multi-target road detection model in a low-light environment in an open-pit mining area based on hyperbolic embeddingGU Qinghua, SU Cunling, WANG Qian, CHEN Lu, XIONG NaixueAnalysis and Research49-56,1148A coal foreign object detection method based on cross modal attention fusionCAO Xiangang, LI Hu, WANG Peng, WU Xudong, XIANG Jingfang, DING WentaoAnalysis and Research57-659Coal gangue recognition method based on water heat transfer and infrared thermal imagingCHENG Gang, CHEN Jie, PAN Zeye, WEI Yifan, CHEN SensenAnalysis and Research66-71,13710Factors influencing the dust-blocking effect of air curtains during the fully mechanized excavation of working facesXIA Dingchao, LYU Pin, DU Peng, WANG JinyueAnalysis and Research72-7911Research on dust reduction technology of air chamber in fully mechanized mining faceZHANG Jingzhao, SU Huidong, YAN Zhenguo, MA Wenjie, XIONG Shuai, ZHANG ChenyuAnalysis and Research80-8712A method for constructing a knowledge graph of unsafe behaviors in coal minesFU Yan, LIU Zhihao, YE OuAnalysis and Research88-9513A fault diagnosis method for mine rolling bearings based on deep learningDOU Guidong, BAI Yishuo, WANG Junli, HUANG Bohao, YANG KangAnalysis and Research96-103,15414Analysis of attitude adjustment for airborne drilling rig of anchor excavatorWU Di, FU Baoding, SUN Bo, KANG Le, LIU Zhixiang, ZOU KangAnalysis and Research104-11415Trajectory planning and tracking control of a seven degree of freedom shotcrete robot in coal mine roadwayCHENG Huan, DENG LiyingAnalysis and Research115-12116Mine pipeline inspection robot design and traction performance analysisZHAO Pengyang, YAN Hongwei, ZHANG Dengxiao, XIAO Canjun, HE BolongAnalysis and Research122-130,16217A bottom air temperature prediction model based on PSO-Elman neural networkCHENG Lei, LI Zhengjian, SHI Haorong, WANG XinAnalysis and Research131-13718The influence of hard roof cutting and pressure relief technology on the deformation law of surrounding rock in roadwaysZHAO Changxin, LI Xiaoxu, SHI Meng, JI Ruifeng, ZHANG YanAnalysis and Research147-15419Experimental study on the permeability features of long flame gas water phaseCHEN Gonghui, TANG Mingyun, NING Jiangqi, ZHANG HailuAnalysis and Research155-162 