1998 Vol. 24, No. 3

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Cover Catalogue
1998, 24(3): 3-5.
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1998, 24(3): 5-8.
<Abstract>(33)
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1998, 24(3): 9-11.
<Abstract>(42)
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1998, 24(3): 12-13.
<Abstract>(27)
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1998, 24(3): 13-16.
<Abstract>(43)
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1998, 24(3): 17-19.
<Abstract>(48)
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1998, 24(3): 19-20.
<Abstract>(52)
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1998, 24(3): 21-22.
<Abstract>(67)
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1998, 24(3): 23-24.
<Abstract>(67)
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1998, 24(3): 25-26.
<Abstract>(40)
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Computer Application in Mine Fire Monitoring System with Beam Tubes
Yu Ming-gao
1998, 24(3): 27-29.
<Abstract>(40)
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The paper introduces KHY 2 Mine Fire Monitoring System with Beam Tubes.It applicates computer,is designed with external event connector and relevant software is developed.It can achieve automation in sampling boxing control,chromatographic apparatus feed control,chromatographic apparatus analysis signal receiving and fire data process.
Simulation Research in Neuron Network Status Selector in Direct Torque Control
ZHANG Su-bing, WANG Cong
1998, 24(3): 29-31.
<Abstract>(51)
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Neuron network now has been paid more attention in industrial application, but its application in remote control is still scare to see. Here the methods of selecting inverter on off status by neuron network in DTC system are discussed, together with simulation methods and stages.
Application of Optic Fiber Sensing Technique in Coal Mine Electric Parameters Measuring
CHEN Rong-guang, WANG Cong-xiao
1998, 24(3): 32-34.
<Abstract>(51)
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The paper introduces the application of optic fibre voltage,current sensor in coal mine.At industrial frequency voltage of 4￣6kV and current of 100￣1000A it is verified that voltage error is less than 1% and current error less than 3% of optic fiber electric parameters sensors.It is pointed out that improving current detection accuracy is the powerful way to improve optic fiber and decrease pre amplifier noise and collect magnetic fields efficiently.
1998, 24(3): 35-36.
<Abstract>(43)
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1998, 24(3): 37-38.
<Abstract>(32)
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Research on Fuzzy Control Strategy for Burning Syetem of Gangue Burning Boiling Boilers of PitHead Power Generation Plant
WANG Fu-zhong, GAO Ya
1998, 24(3): 39-42.
<Abstract>(66)
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A fuzzy control strategy for burning system of gangue burning boilers is introduced.Fuzzy PID and Fuzzy PI double analogs is used,and then the control for vapour pressure and boiler temperature and coal cindder removing is realized.
Characteristics and Development of Underground FlameProof Rail Locomotive
MA Chun-qua
1998, 24(3): 43-46.
<Abstract>(73)
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This paper summarily analyzes the characteristics of locomotives used in auxiliary transport system and mainly introduces the features and use of several types of updated locomotives powered by flameproof diesel or flameproof battery.The writer’s opinion on developing the underground track auxiliary transport system in china is also presented.
Measuring Sound Transmitted Signal by the Use of MultiMedia Sound Card
ZHAO Hai-yun, LI Yu-shou
1998, 24(3): 47-48.
<Abstract>(43)
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A method of using multimedium sound card to measure sound emission was discussed, and the data processing methods were also presented.
1998, 24(3): 49-50.
<Abstract>(36)
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1998, 24(3): 51-52.
<Abstract>(29)
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1998, 24(3): 52-53.
<Abstract>(42)
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1998, 24(3): 53-54.
<Abstract>(29)
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A Digital Thyristor Trigger of High Accuracy Based on Phase Locked Loop Synchronizatio
LI Ai-guo, GONG Shang-fu, ZHU Yu, WANG Shi-wei
1998, 24(3): 55-57.
<Abstract>(30)
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A Digital thyristor Trigger of High Accuracy is introduced, which is based on phase locked loop synchronization and suitable for dual anti star rectification circuit. It has been applied sucessfully in microcomputer based control system for thyristor are welding power supply.
1998, 24(3): 58-59.
<Abstract>(29)
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Research in Process of Industrial TV Image Histogram
WANG Xin-hong, CHEN Zhi-guo, ZHANG Ying-jie
1998, 24(3): 60-61.
<Abstract>(48)
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An approach used to enhance the industrial TV image of the comprehensive coal face is presented, and a new idea is proposed to develop coal mine monitor system.
1998, 24(3): 62-63.
<Abstract>(27)
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1998, 24(3): 64-64.
<Abstract>(45)
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