1995 Vol. 21, No. 2

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The Development of Automation Technology and Challenges and Opportunities Faced by Coal Industry
XU Shi-fa
1995, 21(2): 1-5.
<Abstract>(14)
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In this article,the development of automatic techniques is discussed from some aspects of intelligent control and automation, power electronics and electric transmission automation,industrial robottes, computer integrating techniques and low cost automation,and also some technical directions which need to be reinforced are suggested.
1995, 21(2): 6-8.
<Abstract>(40)
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The Role of Safety and Energy Saving in Local Ventilation by Frequency Variable Speed Regulator
TONG Qiang
1995, 21(2): 8-11.
<Abstract>(41)
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In coal mine local ventilations, 660V flameproof frequency variable speed regulator, matched with intelligent methane locking device of air door and power, could improve mine safety, energy saving and mining productivity. The author briefly introduced the current status of frequency variable speed regulator development, and the comparisons between the energy saving effects by various air volume control, and its role of energy saving and some suggestions for future use.
The Application of Single Chip Microcontroller in Flameproof Magnetic Starter Control System of Thousand Volts Class
SONG Jian-cheng, SUN Xiao-hong
1995, 21(2): 12-16.
<Abstract>(34)
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Realtime monitoring and control system for thousand volts class ALP magnetic starter which core is MCS-51 series 80C31 8-bit single chip microcontroller is described here.Hardware figuration and software design methods of the system are mainly analysed,along with its working principle,technical paramenters. main functions and anti-interference measurements.
1995, 21(2): 16-16.
<Abstract>(19)
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Winder Braking System Based on Expertise Fussy Control Technology
LIANG Zhao-zheng, XIA Rong-hai
1995, 21(2): 17-19.
<Abstract>(16)
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While analysing the exsisting mine winder braking systems,a winder braking system of expertise fussy control technology was put forward,and its system composition and designings were furtherly analysed and discussed.
ZJ-1 Model Operating Status Realtime Monitoring System for Fully Mechanized Mining Supports
WU Yun-tao, ZHENG Feng-long
1995, 21(2): 19-21.
<Abstract>(23)
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Computer and sensor technology can be applied to realtime monitor operating status of powered support in underground fully mechanized mining face. And parameters can be transmitted to surface dispatching room for display on computer screen and store, in which way managing and dispatching personnels could manage correctly, caving accidents can be avoided, favourable to fully mechanized mining face production.
1995, 21(2): 22-23.
<Abstract>(16)
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The Application of Microprocessor in Mine Truck Operating Status Monitoring System
LV Zhen, WANG Lian, YANG Wei
1995, 21(2): 24-26.
<Abstract>(14)
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The monitoring system utilizing MCS-51 single chip microcontroller can realtime collect and dispaly and print various information of truckoperating status, suitable for situations of large volume cycling operationand large number of trucks
1995, 21(2): 26-27.
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1995, 21(2): 28-31.
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1995, 21(2): 31-33.
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1995, 21(2): 33-33.
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1995, 21(2): 34-36.
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1995, 21(2): 36-36.
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Portable Adhesionmeter and its Use in Cutting Machinery Status Monitoring
YAO Zhi-chang, MA Li-tian, LI Hao-ping, YANG Zhi-yi
1995, 21(2): 37-39.
<Abstract>(52)
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Aiming at inconvenience in maintenance and operation and long measuring period of existing adhesion measuring instrument which is incapable for use on-site, the portable adhesion meter was developed and granted with national patent and has already been used in 8th-5 Year Enterprise Key Project "Status Monitoring and Fault Diagnostic for Cutting Machinery".
1995, 21(2): 40-41.
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1995, 21(2): 42-44.
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1995, 21(2): 44-46.
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1995, 21(2): 46-47.
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1995, 21(2): 47-50.
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One Machine, More Scale Nucleonic Scale Weighins System with Dual CPU Parallel Processing
LI Wei, LIN Wei-guo, MENG Fan-xi
1995, 21(2): 50-53.
<Abstract>(16)
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System design, hardware composition, dual CPU parallel interface designing method and system characteristics are discussed in this article.
1995, 21(2): 53-56.
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1995, 21(2): 56-58.
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1995, 21(2): 58-60.
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1995, 21(2): 60-62.
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1995, 21(2): 62-65.
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1995, 21(2): 65-65.
<Abstract>(59)
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