1Kinematic Analysis of Shearer Travelling Based on ADAMSWANG Zhen-qian, WANG Chong-jian, ZHOU Chang-feiDesign and Research1-22Research on the Mine Ventilator Fault Diagnosis Expert SystemJING Shuang-xi, NIU Zhen-hua, HUA Wei, LI Sheng-huaDesign and Research3-4,83Development of Protection Device for Mine Vacuum Feed Switch Based on PROFIBUS-DPLIU Zi-xu, LIU Zeng-yu, CHEN Wei, GUO Yuan-longDesign and Research5-84A Study of Comprehensive Experiment Device for Brake and GearboxZHANG Bo-chao, ZHOU Guo-qingDesign and Research9-105Soft-starter Control System Based on ADμC841 Single Chip MicrocomputerQING Guo-fang, NIU Xin, WANG Ya-qiongDesign and Research11-13,166A Study on New Illuminant System of Semiconductor Cap LampsQIAN Ke-yuan, LUO YiDesign and Research14-167The Design and Research of Automatic Testing System for Hydraulic PumpsLI Qing-guo, ZENG Qing-liang, ZHAO Sheng-gang, WANG LiangDesign and Research17-198A Study on Dithering Problem of Shearer Ranging ArmWU Yan, DONG Hong-zanDesign and Research19-209A Study of Electromagnetic Interference Characteristic in Coal Mine Based on Wavelet AnalysisSUN Ji-ping, PAN Tao, WANG Fu-zeng, MA Feng-yingDesign and Research21-22,2510Parametric Design of Helix Shearer DrumTAO Rong, SUN Liao-yuan, WANG Yan-yingDesign and Research23-2611Design on 750kW Gear Increaser of Dual-direction and Two-shiftBAO Yu-senDesign and Research26-2812A Design of Low-speed High-torque Drive Unit Test SystemJIN Li-li, LIU Chen-yang, WU Xing-xiangIssue Discussion29-3113Finite Element Modeling Technology Based on UG and PATRANPAN Xin-an, SU Xue-cheng, LI HuaIssue Discussion32-3414Development and Application of Fabric Solid-woven Fire-resistant Conveyer Belt Underground Coal MinesSONG Chang-jiang, GU Ya-minIssue Discussion35-3715A Design of New Attendance Recorder for MinePENG Ke-qing, HUA GangIssue Discussion38-4016The Application of Self-adjusting Fuzzy Control to Mine Local VentilatorFU Hua, YIN Li-naIssue Discussion41-4317Analysis of Working Reliability of Disk Brake in Mine HoisterXU Gang, ZHANG An-ning, LIANG ChaoIssue Discussion44-4518A Design of Water Pump Automatic System for Mine Central Pump HouseLIU Gan, LIU YanIssue Discussion46-4819The Application of Frequency Conversion Driving to Long Distance Belt Conveying SystemCHEN Huai-daoIssue Discussion48-5020Discharge Influencing Factors of Spark Test DeviceXU Yun-zhi, MU Long-hua, LIU Jian-hua, MENG Qing-haiIssue Discussion51-53,58