1Top-down design of mine Internet of thingsDING Enjie, SHI Weizu, ZHANG Shen, ZHAO XiaohuColumn of Top-down Design of Mine Internet of Things1-112Discussion on definition of wisdom mineHE MinSpecial of Wisdom Mine12-163Discussion on evaluation index system and architecture of smart mineHE YaoyiSpecial of Wisdom Mine16-204Design of intelligent decision support technology architecture for wisdom mineGAO WenSpecial of Wisdom Mine21-255Mathematical analysis of memory coal cutting of shearer and its implementationSUN ZhuoAchievements of Scientific Research26-316Fault diagnosis design for coordinate control system of main coal transport routeKONG WeisheAchievements of Scientific Research32-367Emergency management method for coal mines based on task network planning technologyPENG Wuliang, REN HongxiaoAchievements of Scientific Research36-408Research progress and tendency of mine drilling rescue communication technologyZHENG Xuezhao, WANG Hu, WEN Hu, GUO JunOverview41-459Research on theory and key technologies of wireless through-the-earth communicationSUN Yanjing, WU Tianqi, SHI Wenjuan, XU Sheng, WANG Xiaolin, NIU HonghaiOverview46-5310Numerical simulation study on optimization of technical parameters of pier column backfilling mining in Wangzhuang Coal MineYU Shengchao, ZHU Weibing, XU Jingmin, SHA Mengmeng, QI Xiangrui, YANG WeimingExperimental Research54-5811Research on off-line data synchronization method of measuring while drilling systemLIU Zongwei, SONG JianchengExperimental Research59-6512Height measurement method of hydraulic support based on multi-sensor data fusionZHANG Kun, LIAN Zisheng, XIE Jiacheng, LYU Kaibo, LIAO YaoyaoExperimental Research65-6913Optimization application of an improved genetic algorithm in coal mine distribution network planningZHOU Mengran, WU LeimingExperimental Research70-7414Insulation condition assessment method of mine-used transformer based on spatio-temporal information fusionZHANG Yuzhen, JI Xingquan, YU Yongjin, LIANG Yongliang, FAN ShuxianExperimental Research75-8215Fault line selection method for distribution network based on measurement of characteristic atomZHAO Liang, ZHOU Nuoying, WANG XiaoweiExperimental Research83-8916Magnetic coupling resonant wireless power transmission system based on variable coil structureWANG Yameng, WU Xinghua, LIN Lingyan, SONG JianchengExperimental Research89-9517Underground positioning method based on GMapping algorithm and fingerprint map constructionJIANG Lei, YANG Liuming, WU Fangda, HAN Huijie, ZHOU XueExperimental Research96-10118Identification method of coal and rock based on information fusion and neural networkLEI Jing, YU BinExperience Exchange102-10519Application of automatic control system of hoist in main shaft of Wutongzhuang Coal MineMENG XiaolanExperience Exchange106-11020Development of intelligent monitoring and control system for mine ventilation safetyYANG Zhanqi, HAO TianxuanExperience Exchange110-114 