1Design of Z-Source Inverter in Local Ventilator Emergency Power Supply System at Underground MineDong Ruiqi, Gao Qiaomei, Feng QiangDesign and Research1-3,72Research on Power Balance System for Multi-Motor Drive of Belt ConveyorBai Xiangdong, Li WankuiDesign and Research4-73Research and Development of New Main Push Mechanism for Mine ExcavationDong RongbaoDesign and Research8-9,134Design and Application of KJ709 Safety Monitoring and Control System in Inclined Shaft TransportWang HongqiangDesign and Research10-135Research on Switched Reluctance Motor Dual Synchronous Control Based on CAN BusLiu WentianDesign and Research14-186Study of Wireless Sensor Network Personnel Location Technology in Mine EnvironmentWang Chunxiang, Ji SongboDesign and Research18-217Research on Self-Location System for Coal Mine Rescue Robot Based on Multi-Sensor Information ConvergeZhu ZhengzhongDesign and Research22-268Research on Voltage-Loss Protection Technology of High Voltage Power Supply System in Coal MineLiu CongDesign and Research26-299Research on Carrier Frequency Loss Characteristics of Induction Motor in Variable Frequency Power SupplyWu Yaohui, Ji Chengfang, Meng XiufengDesign and Research30-32,3510Design and Application of Shuttle Car Protection Device at Qianqiu Mine 18220 Work FaceLü Kun, Li PeiDesign and Research33-3511Study of Rotor-Bar Breakage Fault Diagnosis for Squirrel-Cage Motor Based on HHT MethodXu Yunzhi, Li Zenong, Wang Hongyan, Han Su, Li Rong, Chen Chao, Tan QingxiongDesign and Research36-4012Design of Intrinsically Safe Drilling Depth Measuring InstrumentYuan Fengpei, Mao JiangDesign and Research41-42,4613Research on Selective Electric Leakage Protection of Coal Mine Based on Lines Parameter IdentificationLi Zongzhen, Wu Yunjin, Li Manman, Wang Xiaoyan, Ji Nini, Liu AiliDesign and Research43-4614Design of Side-Push Mechanism Locking Structure on Hydraulic SupportShang XianweiDesign and Research47-4815Design of Permanent Magnet Coupling for Transmission in Belt ConveyorSun Xiaoyan, Zhao Lijie, Jiang MingxueDesign and Research49-5016Discussion of Key Technique for Rock-Drift Excavation in Water-Rich RegionCao Chunlei, Cui Shirong, Zhao HouweiIssue Discussion51-5217Dynamic Analysis with Three Element Solid Model of Belt Conveyor in Starting ProcessWei Zhenhua, Hou Hongwei, Song XingyuanIssue Discussion53-55,6018Numerical Simulation Analysis on the Effect of Grouting-Reconstruction in Coal Passing Through Fault FloorLü Shaowen, Wang Huajun, Wang Changqi, Wen LiangxiaIssue Discussion56-6019Parameter Set Device for Coal Mining FacilitiesJia YunhongIssue Discussion61-63,6720Direct-Drive Permanent Magnet Wind Power Grid Based on Three Level Full Power ConverterLi Manman, Li Zongzhen, Wang Xiaoyan, Ji Nini, Liu Aili, Lü PengIssue Discussion64-67 