1Design of distributed coal-rock stress monitoring systemMU Dengcong, MENG Lei, DING Enjie, ZHANG Shen, DENG YuanfangAchievements of Scientific Research1-42PLC centralized control system of coal preparation plant based on wireless communicationZHANG Chuanwei, ZHANG PengAchievements of Scientific Research5-83Design of control system of underground unmanned transportation locomotive based on fuzzy controlSONG Liude, YIN Zhu, YAO ShanhuaAchievements of Scientific Research8-114Design of microseism signal collection system with high dynamic rangeZHANG Faquan, LI Zongmin, WANG Guofu, YE JincaiAchievements of Scientific Research12-155Experimental research of variation characteristics of electromagnetic radiation, acoustic emission and surface electric potential during water inrush in mine floorLYU Ganggang, SHEN Rongxi, QIU Liming, ZHAO Cong, QI Jinxing, WANG JinghaoExperimental Research16-196Research of oxygen concentration and temperature detection systemGONG Zhongqiang, LI Jun, ZHANG Shulin, GUO QinghuaExperimental Research20-237Synchronous collection protocol of seismic wave based on wireless sensor networksTIAN Chuangeng, XU Zhao, TANG LuExperimental Research23-278Characteristic analysis of different periodic arrangement ways of low-frequency metamaterial structureZHU Yuanzhong, LI Weixiang, MA Fengzhen, ZHANG Xiangyang, TIAN ZijianExperimental Research27-319Fault line selection method based on local global consistency learning algorithmMA Caoyuan, LUO Yanfang, LI Chunxiao, CUI LianhuaExperimental Research32-3610Improvement research of line selection criterion of direction protection based on data miningLI Pengju, JIANG Xiaoping, GUO Jingyu, HUANG Chaojie, SHI Xuan, LI JiaExperimental Research36-3911Study of synchronous stability of power grid based on complex network theoryXU Yanqing, ZHU Lijun, LYU Yanan, REN JianpingExperimental Research40-4512Fatigue life prediction method of hydraulic support front linkYAO Lingling, HE Naibao, GAO Qian, SONG WeiExperimental Research46-4813Research of coal mine safety management platform based on Internet of ThingsZHANG Qi, PAN Tao, WANG HaoExperience Exchange49-5214Design of mine equipment management system based on Internet of ThingsZHONG Yuan, WEI Guobin, LI Cuiping, RUAN ZhuenExperience Exchange52-5515Study on coordination of coal mine emergency rescue systemWU Baolei, ZHANG Junbo, WANG EnyuanExperience Exchange56-6016Implementation methods of Modbus protocolJIA YunhongExperience Exchange61-6517Design and implementation of multi-protocol gateway of coal mineXIN Yongxiang, ZHANG Xiaobo, LIU JingweiExperience Exchange65-6718Research of position detection method of cutting head of boom-type roadheaderGAO BenExperience Exchange68-7119Application of SDS-TWR technology in coal mine personnel positioning systemCHANG LinExperience Exchange71-7320Design of energy management system of mine electrical equipmentYANG Wanqing, ZHAO Bingqing, TIAN Jinzhao, MENG Xiangzhong, YIN TaoExperience Exchange73-76 