1995 Vol. 21, No. 3

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Cover Catalogue
PROMOS Automatic Integration System of Mine Monitoring,Control,Communication and Management
GAO Ru-xin, YAO You-jun, FAN Zhi-hong, ZHAN Tao
1995, 21(3): 1-4.
<Abstract>(27)
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The paper briefly introduced the structure, functions,features,working principles,and applications of PROMOS System.
Research on Design of Mine Area Computerbased Comprehensive Network
ZHANG Sheng-yi
1995, 21(3): 4-7.
<Abstract>(55)
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The paper briefly introduces desinging content of mine area computer-based comprehensive network and the reserch of mine area computer-based network structure and main functions with novel technology employed. It also covers mine level net, bureau level net, bureau general dispatchment,bureau ventilation and software, hardware configurations in mine area computer-based network and performance-cost ratio of the whole network and other related technical problems.
1995, 21(3): 7-7.
<Abstract>(8)
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1995, 21(3): 8-10.
<Abstract>(6)
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1995, 21(3): 10-12.
<Abstract>(23)
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The Development of Type KG9301 Combination Sensor of Humidity and Temperature
ZHANG Qian-wen, HUANG Kai-yuan, ZHANG Xue-qi
1995, 21(3): 16-18.
<Abstract>(20)
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The paper describes the working principles,circuits and technical indexes of Type KG9301 Temperature Humidity Combined Sensor which is used for monitoring mine humidity and temperature.
1995, 21(3): 19-22.
<Abstract>(18)
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Quasi-static Picture Compressed Coding and Its Application in Coal Mine Communicatio
WANG Yan-fen, WU Zeng
1995, 21(3): 22-25.
<Abstract>(40)
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Several common compressed coding methods in quasi-static picture coding are described,which are:block truncation coding,multi-level coding,predictive coding,conversion coding. And a coal mine underground video-frequency signal narrow-width transmission system is introduced to explain the application of quasi-static picture compressed coding in coal mines.
Computer-based Monitoring System for Floatation Techincal Parameters
ZHAO Chun-xiang, YE Gui-se
1995, 21(3): 25-28.
<Abstract>(58)
Abstract:
Control of technical parameters in floatations is important premise for guarantteeing floated product quality.The paper introduces computer-based monitoring system for floatation technical parameters aiming at floatation process in coal preparation plant,and the application of STD V40 industrical controller in the system is mainly introduced.
The Resarch on Method of Mine Cable Fault Location Based on Time-Domain Reflectometry
LU Yuan-xiang
1995, 21(3): 28-31.
<Abstract>(35)
Abstract:
The paper has p’toposed a cable fault location method with high precision,wide application range and eastness for operation on computers.The theoretical methematic model in cable short-circuit and disconnection fault is provided and it is also discussed that how to apply the model in cable fault location.
1995, 21(3): 31-33.
<Abstract>(4)
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Model XBSG-6/50 Arc Suppression Coil of Automatic Tracking and Compensatio
WANG Chong-li
1995, 21(3): 33-35.
<Abstract>(64)
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Model XBSG-6/50 Arc Suppression Coil of Automatic Tracking and Compensation, contrlled by single chip machine,can not only automatically track network capacitance and current when electricity network is in normal operation,but also automatically track them to minimize single phase earthed current when single phase earth fault takes place.
The Computer Control of Turbine Power Generator in Coal Mine Waste Power Plant
HUANG Qing-song
1995, 21(3): 36-39.
<Abstract>(25)
Abstract:
In this paper,the author has given a detailed discussion on the turbine system controlled by RTU88 industry computer,especially the constitution of hardware and the function of software.The different ways for operating the system are also provided.
HBD-I Hoist Brake Dynamic Parameter and Fault Detectector
LEI Huai-gang, MA Peng-xiang, WANG Jia-dong
1995, 21(3): 39-41.
<Abstract>(39)
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This paper introduce the principle and the function of HBD-I hoist brake dynamic parameter and fault detector.
1995, 21(3): 42-43.
<Abstract>(45)
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1995, 21(3): 44-45.
<Abstract>(38)
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1995, 21(3): 45-46.
<Abstract>(47)
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Transient Analysis on the Intrinsic Safety of DC Complex Inductive Circuits
ZHANG Yan-mei, LI Wei-jian, HAO Bao-mi
1995, 21(3): 46-48.
<Abstract>(22)
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The parabolic model of arc discharge in DC complex inductive circuits have been provided,Applied to the method of analog power source,the transient analysis of the intrinsic safety in DC complex inductive circuits are given.
1995, 21(3): 48-50.
<Abstract>(7)
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1995, 21(3): 51-53.
<Abstract>(7)
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1995, 21(3): 54-55.
<Abstract>(26)
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1995, 21(3): 56-57.
<Abstract>(5)
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The Research on Admission Passage Mathematical Model and Identification of Admission Passage Interlock Chart Generation for Signalling,Centralized and Locking System
HUA Gang, ZUO Ming, LAN Xian-che
1995, 21(3): 58-60.
<Abstract>(33)
Abstract:
The paper has given accurate definitions to opposed relations between long admission passage,admission passage and admission passage,and proposed the admission passage mathematical model and generation identification for admission locking chart.
1995, 21(3): 61-63.
<Abstract>(13)
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