1995 Vol. 21, No. 4

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Prospects of Coal Mine Automation Technology in the 9th 5-Year Pla
Pan Shang-da
1995, 21(4): 1-5.
<Abstract>(44)
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The paper briefly reviews the development status of our country’s coal mine automation techniques during the 8th 5-year plan, In conjunction with the development level of coal mine automaton technology in the world, the author put forward some directions which need to be strengthened in coal industry during the 9th 5-year plan.
The Application of Expertise System Technique in Coal Mining Decision-Making and Apparatus Type Selectio
Yu Mu-song, Ge Jun, Gao Fu-li
1995, 21(4): 5-9.
<Abstract>(46)
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The research on expertise system have been paid more and more attention, however, it is still at the very beginning for application in fully mechanized mining, The paper details know-how acquirement, know how base structure, inference machine’s features and system functions.
Real-Time Monitoring and Control System for Air Compressors
Wang Xue-sui, Du Zhi-ping, Jia Rui-se
1995, 21(4): 9-11.
<Abstract>(45)
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This paper introduced a real-time air compressor monitoring and control system with industrial controller as its kernel. The system has isolation protection measures to avoid electro-magnetic interference. System structure, Working principle and software and hardware configurations are covered in the paper.
1995, 21(4): 11-15.
<Abstract>(20)
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1995, 21(4): 16-18.
<Abstract>(44)
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1995, 21(4): 18-20.
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1995, 21(4): 20-20.
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Parameter Selection and Computer Simulation for Powered Filter
CHOU Ren-he, WU Zheng-chun, REN Zi-hui, SHI Chao
1995, 21(4): 21-24.
<Abstract>(34)
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Based upon theoretical analysis to powerwd filters, the paper discussed parameter computation and optimum selection method for AC filtering devices, and gave out computation program flow chart for optimally selecting filter parameters, Through the study on a case, computer simulation is researched, which result shows the designed filter is able to absorb harmonic current and do reactive compensation in a more rational and efficient way.
1995, 21(4): 24-24.
<Abstract>(38)
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1995, 21(4): 25-27.
<Abstract>(26)
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1995, 21(4): 27-29.
<Abstract>(24)
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On Global Rope Slack Protection Device for Hoisting Machines
YUAN Xiao-ping, WANG Xiang-yang
1995, 21(4): 29-32.
<Abstract>(29)
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From the current status of mine hoisting machine rope slack protections, one monitoring and protection device to global rope slack fault,achieved by the utilization of force-electric sensor, further improves hoisting system safety with the use of single chipper system.
A Self-Learning Mechanism Based on Objective and its Applicatio
XU Chang-sheng, ZHANG Yao-qing
1995, 21(4): 32-35.
<Abstract>(51)
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In this paper, we introduce a self-learning mechanism based on objective used in fault diagnosis. expert system, It depends on the deep knowledge model of diagnosed system and can improve diagnosed capability by expanding and satisfying the shallow knowledge base. This paper gives the composition, algorithm and application of learning system.
1995, 21(4): 36-37.
<Abstract>(28)
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1995, 21(4): 37-41.
<Abstract>(47)
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1995, 21(4): 41-43.
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1995, 21(4): 44-46.
<Abstract>(29)
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Advantages and Disadvantages in Reactive Power Compensation On-Site
TONG De-li
1995, 21(4): 46-49.
<Abstract>(86)
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The anuthor Put forward some ideas on this product from comparisons of reactive power on-site compensation modes.
1995, 21(4): 49-51.
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1995, 21(4): 52-53.
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1995, 21(4): 53-55.
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1995, 21(4): 55-55.
<Abstract>(31)
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1995, 21(4): 56-57.
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