1Research and Application of Robot Inspection Platform for Mine SubstationGUO JianjunDesign and Research1-62Design of Testing Hydraulic System for High Pressure Emulsion PumpLIU Wenchao, LI JunshiDesign and Research7-103Current Situation and Development Trend of the Integrated Equipment of Digging and AnchoringMA ZhaoDesign and Research11-13,174Design and Research of Wireless Monitoring System for ShearerYU HaiweiDesign and Research14-175Research on the Hydraulic Steering System of Narrow Type Trackless Vehicle for MiningCHEN LidongDesign and Research18-216Design and Application of Movable Hydraulic Support Pin Shaft Disassembling EquipmentLIU JinhuiDesign and Research22-257Design of Wave Spring for Wet Clutch of Shifting Gearbox of a Mine LoaderCAI XiaoliangDesign and Research26-288Design of Online Monitoring System of Mine Main FanLI XiaoqiangDesign and Research29-319Design and Application of Long-Distance and Large Capacity Downward Transport Telescopic Belt ConveyorZHOU Guangyu, JIA Qiusheng, LIU Yin, GAO ChongDesign and Research32-34,3910Design and Practice of Intelligent Fully Mechanized Working Face SystemLI LiangDesign and Research35-3911Research on Power and Transmission Technology of Trackless Auxiliary Transport Vehicle in Coal MineHAO MingruiIssue Discussion40-4312Research on Control Strategy of Three-Level PWM Rectifier for Mining Frequency ConverterZHOU DehuaIssue Discussion44-47,5113Test and Research on Braking Safety Performance of Mining Trackless Rubber-Tyred Vehicle in Road TestLIU ZhigengIssue Discussion48-5114Application of Fuzzy Expert System in Fault Diagnosis of Scraper Conveyor ReducerZHU Yijun, WANG XiangIssue Discussion52-5515Simulation of Load Sensing System of Fully-Automatic Dual-Arm Bolt Drilling VehicleHE Anmin, GUO ZhifuIssue Discussion56-59,6316Current Situation and Prospect of Advanced Support Technology for the Crossheading (Return Air) Roadway in Working FaceWEI JianlongIssue Discussion60-6317Mathematical Model and Simulation of Self-propelled Rotary Jet-flow Drilling SystemLIU LuluIssue Discussion64-67,7118Optimized Control Strategy of Output Performance for Matrix Converter in Coal MineXU YongIssue Discussion68-7119Failure Mode and Influence Analysis of Shearer Pilot CircuitNING HaidongIssue Discussion72-7420Strength Analysis of Hydraulic Support Base of Top Caving Coal Based on WorkbenchCHANG QingIssue Discussion75-77 