1Computational Analysis and Experiments of Permanent Magnet Eddy Current GovernorCHENG Gang, CAO Jianbing, SONG Donghua, CUI ZhongshengDesign and Research1-5,302Research Progress on Optimal Layout Method of Shearer Rocker Vibration SensorLIU Dongyu, LEI Huang, SHI Chunxiang, XU WeipengDesign and Research6-103Effect of the Rotation Direction of the Thin Seam Shearer Drum on Coal Loading Efficiency Based on ED EMWANG Pengfei, ZHOU Changfei, LI QingliangDesign and Research11-154Development and Application of Longwall Mining Machine for BauxiteHU JingDesign and Research16-205Finite Element Analysis of the Feeding Manipulator in Coal FaceCHEN Yongbin, PAN Guiru, LI Junlong, ZHANG Anning, YAO Tingyu, ZHANG Shuwei, TAO Yongqin, LIU YangDesign and Research21-256Study on Simulated Friction Coefficient of Belt ConveyorSHI ShengDesign and Research26-307Problems and Countermeasures of Integrated Construction of Auxiliary Transportation Management and Control in Coal MinesJIA Wenqi, BAO Xiangyu, SHAN ChengweiIssue Discussion31-358Application in Fast Retrieval of Miner's Lamp Video Using of Personnel Positioning TechnologyWANG Yufu, HAN Guoqing, LIU Xinying, WANG ShuhongIssue Discussion36-39,559Error Analysis of Calibration Device for Weibar FlowmeterGAO Wenping, JIANG ZhilongIssue Discussion40-4210Kinematic Analysis of Rock Drilling Test RigXU RichengIssue Discussion43-4611Design and Modal Analysis of Cable Bending Test-bed for MineJIN Xin, XU YuanIssue Discussion47-5012Influence of Pressure on Polarization Current of Ethylene-propylene Diene Monomer Insulation for Hauling Cable of ShearerYANG Guotao, YAN Hexiang, CHEN YizhouIssue Discussion51-5513Design of Silt Cleaning System of Water Sump in Underground Mining AreaCUI Xiaokang, HE Ping, LI Zhenjiang, WAN GuohuaTechnical Practice56-59,6314Design of AMining Voice Module With Multiple Broadcast ModesLIANG Jingwei, YANG ChaoTechnical Practice60-6315Construction Ventilation Technology of TBM Method in Inclined Shaft of Extra-long Coal MineSHEN Wugang, YANG Ming, ZHANG Jiale, RUAN Jie, YANG Xiesheng, YANG Xinwen, WANG NiantaoTechnical Practice64-67,7116Tooth Shape Improvement and Process Optimization of Snake Spring CouplingMA Guocong, YANG Jie, PAN YanfengTechnical Practice68-7117Application of Trench Clearing Machine in Underground Roadway of Coal MineHOU Yue, LI Guangji, WANG Jikun, WANG WeiboTechnical Practice72-74 