1Study on Computer Control System of the Coal Slurry FlotationYang Xiaoping, Wu Cuiping, Xu Deping, Feng Shaoguan1-32Automatic Control System for Prevention of Lump-coal Breaking4-53Design and Realization of Distributed Computer Control System Based on CAN BusZhou Fengyu, Xiao Hairong, Su Xuecheng, Li Yibin, Li Caihong, Su Tao5-74Research on Mine MF Inductive Communication SystemWANG Wenhua, SUN Jiping8-105Application of Theory of Sliding Mode Variable Structure in AC Servo SystemXIE Lihua, WANG Aibing, WANG Mingzheng11-146Analyses and Research of Performances of Optical-receiver in Integrated Transmission Network for Coal Mine UndergroundDING Enjie, WU Zeng, MA Muyan14-177Fuzzy Control of the Controllable Starting System for Belt ConveyorJIANG Qi, YU Yan, JIANG Han18-198Study on Full-function Traffic Light Based on EDA20-219A Kind of Centralized and Decentralized Control System with PLCHU Suiyan22-2310Positive Pressure On-line Monitoring for Disk Brake24-2511Application of CST Controllable Driving Device for Mine Conveyor26-2712Development of Computer Control and Monitoring System for Dense Medium Suspension ParametersZHAO Chunxiang28-2913Analyses of Automatic Regulating Principle for Turbulent coil30-3114Starting-locking and Speech Alarming System for ShearerWANG Ke, WANG Shuqing, YU Yongxue, XU Benyi32-3315The Dissipated Heat, Vibration-proof and Maintenance of Variable-frequency Speed Regulating Device in AC Electrical Haulage ShearerXU Senxiang, YING Xiaomi34-3516Protection Circuit for Motor's Open-phase Running36-3717Application of Automatic Loading System in Daliuta Preparation Plants37-3818Cipher Code Installing Technology for Prevention Misoperation on Keyboard39-4019Introduction of Modernization Construction Scheme for Xuchang Coal Mine41-4220Data Memory System of 16MB Single-chip Microcomputer43-44 