1Study on the positioning and orientation of a shearer based on geographic information systemGE Shi-rong, SU Zhong-shui, LI Ang, WANG Shi-bo, HAO Shang-qing, LIU Wan-li, MENG Lei2503-25082Bearing fault diagnosis method for shearer rocker arm based on blind source separationHAO Shang-qing, PANG Xin-yu, WANG Xue-song, ZHANG Tian-ci, ZHU Hao-tian2509-25133Shape detection of scraper conveyor based on shearer trajectoryZHANG Zhi-zhe, WANG Shi-bo, ZHANG Bo-yuan, LI Ang2514-25214A study on force transmission in a hydraulic support under impact loading on its canopy beamLIANG Li-chuang, TIAN Jia-jin, ZHENG Hui, JIAO Su-juan2522-25275Theory of coupling relationship between surrounding rocks and powered supportXU Ya-jun, WANG Guo-fa, REN Huai-wei2528-25336Analysis of interaction between hydraulic support and its surrounding rock based on dynamics coupling modelZHOU Kai, LI Ming-rui, JIAO Su-juan2534-25397Reliability-based robust optimization design of the transmission system of a shearer ranging armZHANG Yi-min, HUANG Jing, ZHU Li-sha, WANG Ting2540-25458Vibration reliability analysis on tractive transmission system of shearerZHOU Di, ZHANG Xu-fang, YANG Zhou, ZHANG Yi-min2546-25519Effect of lubricating mediumon rolling tribo-fatigue of gear materials inlow speed heavy-dutyconditionsFENG Cun-ao, ZHANG De-kun, QI Jian-wei, WANG Gao-lei2552-255710Design and performance analysis on mechanic-electronic-hydraulic short range cutting transmission system of shearerYANG Yang, YUAN Ai-hui, ZOU Jia-hang, QIN Da-tong2558-256811Research on drum shearer speed control strategies under impact conditionsGE Shuai-shuai, QIN Da-tong, HU Ming-hui2569-257812Processing of ultrasonic reflection signal from coal-rock interface using modified S-transformLI Li, WEI Wei, TANG Ru-qi2579-258613Rolling bearing fault state recognition method based on HHT and Supervised Sparse CodingYU Xiao, DING En-jie, CHEN Chun-xu, LI Li2587-259514Autonomous measurement of position and attitude of boom-type roadheader based on space intersection measurementWU Miao, JIA Wen-hao, HUA Wei, FU Shi-chen, TAO Yun-fei, ZONG Kai, ZHANG Min-jun2596-260215Research on autonomous positioning and orientation method of roadheader based on Ultra Wide-Band technology2603-261016Aposition and orientationmeasurement method of single-station, multipoint and time-sharing forroadheaderbody based on iGPSTAO Yun-fei, ZONG Kai, ZHANG Min-jun, JIA Wen-hao, FU Shi-chen, YANG Jian-jian, WU Miao2611-261617Spatial pose kinematics model and simulation of boom-type roadheaderTIAN Jie, WANG Su-yu, MU Jing, WU Miao2617-262218Fractal characteristic and specific energy model of conical picks cutting resistance spectrumLIU Chun-sheng, WANG Qing-hua, LI De-gen2623-262819Status of ultra-low emission technology in coal-fired power plantZHAO Yong-chun, MA Si-ming, YANG Jian-ping, ZHANG Jun-ying, ZHENG Chu-guang2629-264020Prediction of coal heating value based on proximate analysisTAN Peng, LI Xin, ZHANG Xiao-pei, FANG Qing-yan, ZHANG Cheng, CHEN Gang2641-2646 