1Research of Integrated Method of Prevention and Control of GasSUN Ji-ping1-52Research of Technology of Seamless Access in Roaming Handoff Based on WiFiXU Xi-liang, WANG Wei6-83Design of Guide and Command System for Safe Act of Rescue in Coal MineJIANG Wen-feng, HUO Zhen-long9-114Auto-orientation Scheme of Hydraulic Correction for Nearly Horizontal Hole and Its Hardware ImplementationLI Lei-ming, XU Lin-hong, WEN Guo-jun, XU Chao12-165CUG-2 Drilling Monitor with High Precision and Its Application in Deep HoleLU Chun-hua, ZHANG Bing, YAN Tai-ning, FANG Jun16-206Research of Remote Monitoring and Control System of Energy Saving Control Station Based on PLC and KingViewSU Jing-ming, HONG Yan20-237Design of Automatic Control System of Railway Loading Based on PLCSUN Bing-ke, LIU Rui, NIU Xiao-bing, GUI Ming-xin23-258Discussion on Application of FBG in Coal Mine SafetyLIU Shui-wen26-289Existing Situation of Data Mining Research and Its Development TendencyWANG Hui-zhong, PENG An-qun29-3210Brief Analysis of Effect of Oil Temperature Change on Efficiency of Hydraulic System of 40T Support CarrierLI Hong-wei33-3511Discussion on Control Model of Air Compressors Based on Multi-AgentSHI Zhi-peng, LEI Ru-hai36-3812Discussion on Improvement of Start Performance of Asynchronous Motor and Calculation of Its ParameterHUI Wei-min39-4313Research of Optimization of Control System of Electric Pitch of Wind TurbinesZHANG Ying, JI Xiao-kang, WEI Xiao-hua43-4814Research of Fault Diagnosis for Motor Based on RBF Neural Network and Wavelet PacketWANG Fan-zhong, TIAN Mu-qin49-5115Design of IP Core of Signal Generator of Pseudo-random Sequence Based on Nios ⅡZHENG Gong-ming, SHEN Yuan-yuan52-5516Research of SIFT Algorithm Based on Underground EnvironmentLIANG Yu, LI Dan, NIU Cui-xi, ZHANG Guo-yong55-5817Research of a New Method of Performance Quantization of Data Acquisition SystemLIU Heng, LIU Jia-lei59-6318Research of Embedded Soft PLC Operation System Based on Boot Loader TechnologyLIU Xiao-wen, LIU Qiang, L(U) Mao-chao64-6719Optimization of Sintering Blending Based on Adaptive Evolutionary AlgorithmQIN Ling, LI Yi-fei, LI Zhi67-7020Design of Calibration Device for Mine-used FlowmetersJIANG Yu-hu, HUANG Shu-guang71-74 