1Methane Infrared Detection System of Coal MineHAN Xiao-bing, L(U) Guang-jie, WANG Feng1-42Design of CAN Interface of Mine-used Communication Substation Based on ARMLIANG Xiang-hong, ZHANG Qin4-73Wireless Sensor Network System Used in Underground Gas MonitoringLIU Peng, L(U) Zhen, HU Bing8-104Research of Three-phase Rectifier Based on Direct Power ControlGUO Xiao-yuan, LI Ming11-135Application Research of Fuzzy Neural Network Controller Based on Ant Colony OptimizationLI Wen-jiang, YANG Cui, WANG Tao14-176Design of a New Type of Soft Starter of Three-phase Asynchronous MotorGE Guang-jun, WANG Xi, MA Xu-ke17-207Research of a New Type of Control Strategy of Active Power Filter and Its EMTP SimulationXUE Ying-cheng, YANG Xing-wu, LIU Li-qun21-248Method of Digital Image Processing Based on DSP and S-function and Its ImplementationWANG Hong-yuan, SHI Lian-min, ZHOU Yue, CHENG Qi-cai, YANG Xiao-ying24-279Selection Method of Variable of Standard Coal Consumption Rate Model of Thermal Power Generating UnitsWANG Shao-hua, LIU Juan27-3110Research of D-InSAR Technology in Subsidence Monitoring of Coal FieldZHANG Jun, WANG Yuan-jia, WANG Xiao-huiTechnical Progress31-3611Development of General Evaluation Software of Indicator System Method and Its ApplicationYANG Ying-di, ZHANG Guo-shu, QIN Ru-xiangTechnical Progress36-3912Application Research of Wireless Body Sensor Network in Underground Personnel Searching and Rescuing SystemMA Yong, ZHENG Ya-ru, YAN Yu, WANG YanTechnical Progress40-4213Design of Underground Personnel Position System Based on Low-power Identification CardYAN Bing-lei, XU Zhao, LI Fan-jia, LIU Jing-chaoTechnical Progress43-4514Design of Mine Embedded Data Collection Substation and Its ImplementationTechnical Progress46-4815Design of Performance Testing System of Breaker and Vibration Machinery Based on Virtual Instrument TechnologyTechnical Progress48-5016Power Supply Automation System of Coal Mine Based on ControlNetTechnical Progress51-5517Design of Automatic Protector of Slack Rope Fault of Mine Hoist Based on CPLDTechnical Progress55-5718Design of Fire Detection and Prewarning System of Coal Pulverizer and Its ApplicationTechnical Progress58-6119Application of Cascaded High-voltage Frequency Converter with Multi-level Based on H-bridge Unit in Mine HoistWU Xiao-jie, SONG Wei, ZUO Dong-sheng, GENG Qing-e, YANG YanTechnical Exchange61-6520Design of On-line Monitoring System of Performance of Mine Ventilator Based on LabViewTechnical Exchange65-68 