1998 Vol. 24, No. 1

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Existing State and Development of Coal Mine Communication Technology of Our Country
WU De-zheng, ZOU Zhe-qiang
1998, 24(1): 3-5.
<Abstract>(42)
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This paper introduced the existing state of the technologies of coal mine production dispatching communication and local communication underground,and pointed their development directions.
Design of Against Bad Enviroment of Computer Control System Used in Coal Mine
PANG Zhen-xu, FAN Bing-hui, LI Yi-bin, YANG Ming
1998, 24(1): 6-7.
<Abstract>(57)
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This paper discussed the design of agaist bad enviroment of computer control system in the first of underground robot ourselves. By the careful design on reliability, flame proof, moistureproof, heat resisting, vibration installing and reinforcement, the computer control system has standed up the severe test in underground of coal mine, and the robot has worked well during the whole experiment period.
Failure Detection and Reliability Design of Data Output Channel for Mine Used Industry Control Computer
TAO An-li, GAN Yao-guo, SUN Gao-jin, YING Ying, LI Zhao-qing
1998, 24(1): 8-9.
<Abstract>(83)
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Some failure detection and reliability design schemes of data output channel for mine computer were put forward.The descriptions about the hardware structure and the mechanism as well as the analysis of the performance features were given.The results reduced by analysis and experiments show that the schemes can improve the reliability of data output channel and is easy to be implemented.
1998, 24(1): 10-11.
<Abstract>(67)
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1998, 24(1): 12-13.
<Abstract>(112)
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Optimization of Database Scheme of Mine Ventilation Network
MENG Qian, ZHOU Yan, YU Hong-zhe
1998, 24(1): 14-15.
<Abstract>(59)
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In this paper, the theory of nomalization is applied to optimizing the scheme of mine ventilation network database. The optimized scheme given by this paper improves considerably the maintainability of the database, and reduces the redundancy greatly.
A New Fuzzy PID Complex Control Method
LV Zhi-lai, HOU Yuan-bi
1998, 24(1): 16-18.
<Abstract>(41)
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A new Fuzzy PID complex control method was proposed. The method is connected with fuzzy control and conventional PID control. This paper used properties of Fuzzy PID complex control to make up the advantages of Fuzzy of control and PID control. Effectiveness and feasibility of the new method was verified by simulation results.
The Application of PLC in Flow Control of Floatation Reagent
ZHAI Yan-zhong, WANG Ke-jia
1998, 24(1): 18-20.
<Abstract>(51)
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This paper presents a way of applying constant—pressure box electromagnetic valves to control flow rate of floatation reagents. The hardware and software was introduced with the application of a multi point module and other modules of C200H.
Development and Implementation of MIS Cost Analysis System Used in Coal Preparing Plant
HE Ya-qun, WU Jian-xi
1998, 24(1): 20-22.
<Abstract>(77)
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In design of cost analysis management information system of coal preparing plant, the pro blems of optimizing of plant’s current management model, design of functional module structure and cost analysis decision were discussed, and the management information system’s software and hardware environment as well as data maintenance function were also introduced.
1998, 24(1): 23-25.
<Abstract>(40)
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1998, 24(1): 26-27.
<Abstract>(29)
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1998, 24(1): 28-29.
<Abstract>(42)
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1998, 24(1): 29-30.
<Abstract>(32)
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1998, 24(1): 31-32.
<Abstract>(31)
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Research on the Architecture Reference Model of Multimedia Safety Monitoring and Detecting System in Coal Mine
CHEN Li-jun, YU Hong-zhen, WANG Hui
1998, 24(1): 33-34.
<Abstract>(42)
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In the paper the coal mine multimedia safty monitoring and detecting system’s architecture reference model was established, and discussed the division of the sysytem architecture reference model and described the functions of the system architecture reference model.
1998, 24(1): 35-38.
<Abstract>(22)
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1998, 24(1): 38-39.
<Abstract>(75)
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1998, 24(1): 40-42.
<Abstract>(17)
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1998, 24(1): 43-44.
<Abstract>(33)
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1998, 24(1): 45-46.
<Abstract>(22)
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1998, 24(1): 46-47.
<Abstract>(40)
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Research and Application of Mine Hoister All Data Monitor
SHI Jing-ju
1998, 24(1): 48-49.
<Abstract>(50)
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This paper introduced an all data monitor for coal mine hoister, detailed its hardware configuration, software structure and industry testing. It stands for the mechatronics and intelectualization direction of hoister control system.
Multifunctional Infrared Telequipment
YU Zi-jie, LIU Fu-qiang
1998, 24(1): 50-52.
<Abstract>(35)
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This paper introduced a multifunctional infrared telequipment which is used in KJ28 underground optic fiber industrial TV system and represented the composition of this equipment, the method of encode and decode, and the measure of antijamming.
1998, 24(1): 53-54.
<Abstract>(51)
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1998, 24(1): 54-55.
<Abstract>(14)
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1998, 24(1): 56-58.
<Abstract>(44)
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1998, 24(1): 58-59.
<Abstract>(38)
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1998, 24(1): 60-60.
<Abstract>(54)
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1998, 24(1): 61-62.
<Abstract>(37)
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