1Design of EAM system for electromechanical equipments of coal mine blending into workflow technologyZHANG Jia, LI Cuiping, ZHONG YuanAchievements of Scientific Research1-52Design of multi-bus monitoring system of testbed of shearer gearboxWU Zhouxin, CHEN Jie, HONG Rongjing, XU WeiAchievements of Scientific Research5-83Design of communication module of mine signal transceiverZHAO Man, WU Fengbo, WANG Zhengjing, HUANG JianAchievements of Scientific Research9-124Design of a software updater of mine-used equipment based on RS485 busWANG KaiyuanAchievements of Scientific Research12-145Analysis of construction model of coal tax collection systemWANG Jinhua, LIU PengAnalysis Research15-176Analysis of electromagnetic shielding effectiveness of metal shell of mine-used productsSHI FaqiangAnalysis Research18-217Evaluation of underground electromagnetic environmentWANG FuzengAnalysis Research21-258Study of spatial database construction of smart mineWANG Li, DU Jiusheng, JING HaitaoAnalysis Research25-309Trend prediction of gas concentration based on interpolation trapezoidal fuzzy information granulationWU Zhaofa, WU Xiang, QIAN JianshengLaboratory Research31-3610Estimation of transmission delay of time synchronization information for Internet of things of coal mine undergroundCHEN Zhenping, HUANG Yourui, TANG Chaoli, QU LiguoLaboratory Research37-4111Research on time synchronization algorithm for coal preparation plant equipment monitoringLIU Weidong, LEI Xuefeng, ZHU ZhongboLaboratory Research42-4512Research of robustness of underground resonant coupling wireless power transmission systemDING Enjie, SUN Zhifeng, ZHANG GuoyuanLaboratory Research46-4813Experiment research on haulage performance of non-onboard speed regulation system of shearerZHUANG DeyuLaboratory Research49-5214Application of improved CART algorithm in prediction of water inrush from coal seam floorDU Chunlei, ZHANG Xueying, LI FenglianLaboratory Research52-5615A filtering method for infrared image based on improved pseudo median filtering and non-local means filteringZHANG QianLaboratory Research57-6016A new ip-iq detection method without phase-locked loopYE Jiazhuo, YANG Xiong, CHEN Guangwei, CHEN XihuaLaboratory Research61-6517A harmonic detection method for power network based on wavelet transform Mallat algorithmLEI Ruhai, HAO ZhenLaboratory Research65-6918Fault diagnosis of motor based on improved instantaneous power methodXU Yunzhi, FANG Lei, SHI Liping, YAN Jiaming, TANG Yi, MIAO ChangxinLaboratory Research69-7319A fault diagnosis method of rolling bearingDONG Jianping, YANG Cheng, LU XiaoliLaboratory Research74-7720Application of personnel data analysis software for personnel management system of coal mine undergroundJIN LiguoExperience Exchange78-80 