1Accident analysis and big data and Internet of Things in coal mineSUN JipingAchievements of Scientific Research1-52Gas geological dynamic analysis and gas emission real-time pre-warning systemCUI JunfeiAchievements of Scientific Research5-93Design of early-warning system of gas outburst based on dynamic characteristics of pressure monitoringNING Xiaoliang, PU YangAchievements of Scientific Research10-134Development of testing device for characteristic parameters of high temperature oxidation combustion of coalfield fire areaWEN Hu, GUO Jun, JIN Yongfei, WANG Dong, WANG KaiAchievements of Scientific Research14-185MSHE-PWM harmonic suppression method of mine hoist active front endWAN Jun, WANG Yu, WEN XiaofeiAchievements of Scientific Research19-236Classification and coding design for spatial features of underground mineXIONG ShuminAchievements of Scientific Research23-277Design of model DFKG-2012 integrated test-bed for mine-used low-voltage feeder switchHUANG Hesong, REN Chengcheng, GAO Xiang, ZHANG Changhong, CHEN YujiangAchievements of Scientific Research28-318Current situation and development trend of coal flow control system of belt conveyorWANG JinhuaAnalysis Research32-349Research of subdivision algorithm of improved triangular prismZHU DefuAnalysis Research34-3710Research of mine-used membrane switch type operation keyboard with high reliabilityNIU JianfengAnalysis Research38-4211Research progress of improving anti-interference ability and precision of infrared gas sensorLI Yuncheng, LIANG Yongzhi, JIA Wenpei, RONG XingfuAnalysis Research42-4612Multi-screen joint display technology oriented to ventilation safety dynamic analysisYAN Zhenguo, LI Chuan, WANG Yanping, CHANG XintanAnalysis Research47-5013Length measurement methods of drill pipeSUN Zhifei, WU Yincheng, HU YunAnalysis Research51-5314Research of cloud services platform of national gas geological informationLIN HuiqinAnalysis Research54-5615Design of holographic digital mine platform of coal mineLI Jianliang, LU Zheng, HE YaoyiAnalysis Research57-6116Research of task scheduling of cyber physical system of coal preparation plantLEI Xuefeng, LIU Weidong, ZHANG ShenExperimental Research61-6517Research of load characteristics of wireless power transmission system based on magnetic coupling resonanceXUE Hui, LIU Xiaowen, SUN Zhifeng, ZHANG GuoyuanExperimental Research66-7018Miner detection method based on conditional random fieldLIU Jun, ZHU Yuanzhong, WANG Wenqing, DU Dongbi, ZHAO QingqingExperimental Research70-7419An algorithm for moving targets tracking in coal mine underground based on layered optical flowCHENG Deqiang, LIU Jie, GUO ZhengExperimental Research75-7920Enhancement technique of underground image based on dark channel priorZHANG Yingjun, LEI Yaohua, PAN LihuExperimental Research80-83 