1Research on methods of mine flood perception and water source determinationSUN Jiping, JIN ChunhaiAchievements of Scientific Research1-5,122Underground unmanned aerial vehicles cluster system for monitoring and its key technologiesYANG Wei, SHAN Chunyan, LIU JunboAchievements of Scientific Research6-123Research on start control mode of multi-rope friction hoisting system of vertical shaftQIAN Zhuangzhuang, ZHANG AnningAnalysis Research13-184Research on impact characteristics of middle trough of scraper conveyorWANG Yuan, LI Junxia, WANG JixinAnalysis Research19-23,295Failure mechanism and control technology of water spraying and gushing type roadway with coal-mudstone roofZHAO Yunpei, JIA JingAnalysis Research24-296Theoretical analysis and test of load flow resistance of fluid supply system in fully mechanized mining faceZHOU RulinAnalysis Research30-347Research on positioning method of underground robot based on strapdown inertial navigation and odometerMA Hongwei, ZHANG Pu, MAO Qinghua, ZHOU YingExperimental Research35-428Underground personnel positioning algorithm based on clustering and K-nearest neighbor algorithmMO Shupei, TANG Jin, WANG Yu, LAI Pujian, JIN LimoExperimental Research43-48,769Current tracking control strategy for mine chain STATCOMTIAN Xu, MA YueExperimental Research49-53,8210Research on three-point driving and control system of long distance belt conveyorGAO Rundong, XIONG Xiaoyan, GUO HaoExperimental Research54-58,9411Research on hydraulic system with three-stage speed regulation of mine-used cable winding deviceLI Pengpeng, ZHANG Dan, MENG Xiangqiang, CAO Lianmin, SUN BaohaiExperimental Research59-6212Speed regulation of mine-used electric locomotive based on improved model reference adaptive systemZHANG Qian, GUI ZhenzhaoExperimental Research63-66,7113Insulation state assessment of mine-used ethylene propylene rubber cable under electro-thermal agingMEN Rujia, LEI Zhipeng, LIN Lingyan, ZHANG Guodong, ZHAO Ruixue, ZHU Jianfei, XU Chunyu, SONG Jiancheng, TIAN MuqinExperimental Research67-7114Research on short-term prediction method of coal flow on conveyor beltFENG Mei, QIAO TiezhuExperimental Research72-7615Research on karst collapse pillar imaging of water-rich area in coal mineTIAN Feng, JIAO Cuicui, HAN XiaobingExperimental Research77-8216Design of wireless tension monitoring system with low-power consumption of scraper conveyorsZHAI Yan, WU Bing, NIU Linkai, LIANG Yiwei, XIONG XiaoyanExperience Exchange83-8817Research on bolt pretension torque closed-loop control deviceWANG Kun, ZHAO LanExperience Exchange89-9418Lightning strike accident analysis and modification measures for incoming lines of power grid in a mining areaPAN Huan, SHEN Jing, CHEN JinlinExperience Exchange95-10019Design of intelligent management platform for coal mine electromechanical equipments based on Internet of thingsLIU Zhenhua, XU XukanExperience Exchange101-104,10820Innovation design service platform of shearerYANG Huaiyu, DING Hua, YANG KunExperience Exchange105-108 