1Design of Vibration Monitoring System of Coal Mine Equipments Based on DSP and ARMLI Zhen, JIA Hong-gang, LI Dong-xiao, CAO Hong1-32Application of PLC Free-port Communication Mode in Grouting Monitoring System of Coal MineJIANG Shu-guang, TAN Jian-liang, WU Zheng-yan, SHAO Hao, WANG Kai4-83Design of Dedusting System of Coal Preparation Plant Based on PLC and Its ImplementationCHEN Chuan-hu, LU Yan-feng, LIU Hai-kuan, ZHU Bu8-114Analysis of Mine Low-voltage Leakage Protection in Situation of Great Disparity between Long and Short Lines and Big Unbalanced CurrentSU Po, CHEN Qing12-155Research of Generating and Suppressing of Common-mode Voltage in High Power ConverterZHANG Yong-gao, LI Yin-ling16-216Design of a New Type of Mine-used Intrinsic Safety Power SupplyZHU Qian-wei21-247Application of Digital Control Technology in Intrinsic Safety Switching Power SupplyYIN Xiang-qing, BAI Lin-xu, SHEN Li-fei, WANG Cong24-288Design of FPGA-based Substation of Safety Monitoring and Control System of Coal MineWANG Qi-feng, ZHU Guo-yuan, SUN Xiao-jin29-319Application Research of Support Vector Machine Based on Particle Swarm Optimization in Gas Concentration ForecastingZHANG Jian-ying, XU Hui, CHEN Juan, CAO Xin-de32-3510Forecasting Method of Coal and Gas Outburst Based on KPCA-SVMLI Da-feng, ZHAO Shuai, YANG Dai-ping36-3811Evaluation of Coal Mine Safety Production Based on AHP and Fuzzy MathematicsZOU Yi-huai, JIANG Cheng-yu, LI Chun-hui, SU Heng-yu39-4112An Improved Algorithm for Harmonic Current DetectionLIN Jie, GOU Xin-ke42-4513Research of Fault Diagnosis Method for High-voltage Circuit Breaker Based on Data FusionMIAO Hong-xia, WANG Hong-hua45-4814Harmonic Detection Method Based on 2-order Haining Convolution Window and Double-peak Interpolated FFTWANG Wei, CHEN Hui-hui, LIU Wei-wei, LI Ning49-5215Stability Research of Flux Observation of Synchronous MotorLU Jin-sheng, HE Feng-you, LIU Xia52-5516Simulation Research of 2.4 GHz IEEE 802.15.4 Network Based on ABE AlgorithmSHENG Xi-ning56-6017Design of 3G Industrial Adapter NodeWU Zhi-sheng, LIU Feng, ZHANG Yu60-6318Design of Communication Resource of WIA-PA NetworkLIU Jian-guo, LIU Feng64-6619Application of Surfer8.0 in Visualization Expression and Mapping of Mining Subsidence DataTANG Fu-quan, WANG Gui-sheng, DAI Ju-peng67-6920Forecasting of Hydrogen Content in Hydrogen Decrepitation Process Based on Data DrivenZHU Lin, L(U) Pin70-72 