1TOF underground accurate positioning technology based on message multiplexingCHEN Kang, WANG Jun, BAO Jianjun, WANG Wei, XU Shouquan, CHEN NanAchievements of Scientific Research1-52Design of automatic measurement system for drill cuttings gas desorption index △h2MA Wenwei, LI Jiangtao, LIANG WenxuAchievements of Scientific Research6-113Mine-used mud pulse wireless measurement while drilling device and its applicationFANG Jun, GU Shuancheng, SHI Zhijun, LI QuanxinAchievements of Scientific Research12-174Design of a high-performance mine-used intrinsically safe power supplyHUANG Hesong, CHEN Xi, TIAN Chengjin, FU ZhenAchievements of Scientific Research18-235Research progress of mine drilling rescue detection robotsMA Hongwei, MA Kun, TIAN HaiboOverview24-296Research on architecture of coal mine cyber-physical system and its sensing and control nodeZHANG Mei, NIU Shihui, LI JingzhaoAnalysis Research30-347Research on application of fast roaming and Mesh network technology of WiFi communication on fully mechanized coal mining faceGAO Siwei, LI SenAnalysis Research35-408Determination of advancing distance of sealing hole for water-releasing borehole in working face floorHU Ru, WU Jiwen, ZHAI Xiaorong, HU Jie, JIANG TaoAnalysis Research41-469Monitoring method of recovery state of hydraulic support guard plate based on image recognitionWANG Yuan, LI Hongwei, GUO Wei, HE Haitao, JIA GaoxiangExperimental Research47-5310Analysis of lump coal rate on fully mechanized coal mining face based on discrete element methodCHEN Li, ZHANG YanExperimental Research54-5911Pre-charging control strategy of modular multilevel inverterZHU Qixian, QI Gang, WEI Yongwu, WANG XingguiExperimental Research60-6412Influence of insulation resistance asymmetry of mine power cable on AC stray current distributionZHANG Min, WU Xinghua, GENG Pulong, SONG Jiancheng, NIU Honghui, TIAN DexiangExperimental Research65-6913Performance prediction method for large-centrifugal ventilatorSUN Tao, DAI Bangwu, CHU Fei, MA XiaopingExperimental Research70-7414Health diagnosis method of coal mine belt conveyorQI Ruimin, WANG XinExperimental Research75-7815Research on dynamic characteristics of variable frequency drive hydraulic winch systemDING GangExperimental Research79-8416Low loss control of explosion-proof frequency converter based on model predictive controlCAO Xiaodong, YANG Shihai, JI Feng, YE ZongbinExperimental Research85-9017Experimental research on coal slime flotation process based on orthogonal test designCHEN Peng, WANG Chengyong, SHI Kaiyi, JI Yonghua, SUO Peidie, LIU YuanliExperimental Research91-9518Research on evaluation model of comprehensive condition for mine-used hydraulic supportHOU GangExperience Exchange96-10019A mine-used DC chopper test platform based on energy self-circulation modeZHANG Song, GUO Lifang, LI Yufei, WANG Yuanbo, PENG HonglingExperience Exchange101-10420Remote fault analysis platform of coal mine monitoring systemGAO WenExperience Exchange105-108 