1A coal-rock image feature extraction and recognition methodSUN Jiping, YANG KunAchievements of Scientific Research1-52Research of precise pushing control scheme for hydraulic support and its applicationWANG FengAchievements of Scientific Research6-93Design of predictive maintenance system of coal cleaning and processing equipmentsREN Mingyue, LI Dong, MENG GuoyingAchievements of Scientific Research9-124Research on safety resource allocation of coal mine production logistics systemFENG Lijie, BAI Wenxiao, ZHAI Xueqi, WANG JinfengAnalysis Research13-185Status of coal mine safety monitoring system of Shenhua Group and its upgradingZHANG QiAnalysis Research18-216Coal-rock recognition method based on distance metric learningWU Yunxia, SHEN ShaofeiExperimental Research22-267Extraction method of texture feature of images of coal and gangueMI Qiang, XU Yan, LIU Bin, XU YunjieExperimental Research26-308Energy balancing routing method for coal mine wireless multimedia sensor networkWANG Hui, YANG Wei, LIU JunboExperimental Research31-369Detection method of joints twitching of powerful conveyor beltLUO MinghuaExperimental Research37-4010Attitude angle measuring system of hydraulic supportZHANG Kun, LIAN ZishengExperimental Research40-4511Affection analysis of geometric layout on position and attitude detection accuracy of roadheaderFU Shichen, LI Yiming, CHENG Long, ZONG Kai, ZHANG Minjun, TAO Yunfei, WU MiaoExperimental Research46-4912A new fault diagnosis method of rolling bearing of shearerGONG Maofa, GUO Yixuan, YAN Peng, WU Na, ZHANG ChaoExperimental Research50-5313Fault diagnosis of mine-used transformer based on optimized fuzzy Petri netLI Shiguang, XUE Han, LI Zhen, GAO Zhengzhong, LI YingExperimental Research54-5714Analysis of stress and fatigue of eccentric shaft of unilateral driven swing screenZOU Mengqi, LIU Chusheng, WU JidaExperimental Research58-6115A multi points ultrasonic detection method for material flow of belt conveyorZHANG LiExperimental Research62-6516Research on technology of continuous conveyor used with matching tunnel boring machine in long-distance inclined shaftsJIN Ya, ZHU Liping, HUANG YangzhuExperience Exchange65-6817Design of ZigBee wireless sensor network system for mine gas monitoringXU Ruihua, WANG KaiminExperience Exchange68-7118Design of an intelligent accurate personnel positioning system for mineWU Wei, TANG Lijun, JIANG DecaiExperience Exchange72-7519Design of automatic control system of forced drainage of coal mineGONG Xuedong, CHEN Wei, ZHU YakunExperience Exchange75-7820Application of improved FastICA algorithm in compound fault diagnosis of vibrating screenXU Yuanbo, CAI ZongyanExperience Exchange79-82 