工矿自动化

Application of Bayesian Networks in Safety Assessment of Coal Mine Production System

LIU Wen-sheng, ZENG Feng-zhang

2008, 34(1): 1-4.

<Abstract>(36)

Abstract:
The paper introduced the Bayesian networks briefly and discussed the algorithm of trans-forming fault tree into Bayesian networks at first,then taking safety assessment of underground laneway transportation accident of coal mine production system as example made computer simulation,and discussed the advantages of safety assessment for coal mine production system based on Bayesian networks.

Research of Control Method of Soft Starting for Asynchronous Motor and Its Simulatio

CHEN Zhong-hua, GUO Feng-yi, SHI Zhao-yua

2008, 34(1): 4-8.

<Abstract>(49)

Abstract:
Through analysis of mechanical chracterictics of constant load and pump load,the paper established mathematic model of torque slope and current-limited staring mode for asynchronous motor.In the algorithm of torque slope and current-limited starting mode,closed torque loop adopted traditional control of PID,closed current-limited loop used fuzzy control,and applied Matlab to simulate.The simulation result showed that the mathematic model of torque slope and current-limited starting mode were correct and effective,control mode achieved preconcerted effect.

Research of Prediction Model of Bumping Pressure in Coal Layers Based on Fuzzy Neural Network

LIU Xiao-yue~

2008, 34(1): 8-11.

<Abstract>(41)

Abstract:
The bumping pressure in coal layers is one of the major disasters in coal mine.The accident is caused by many factors.It is ambiguous and dynamic,and expresses as a complex nonlinear dynamic process.This makes data processing system for bumping pressure forecasting can not be processed with the conventional linear system.This paper presented a fuzzy neural network algorithm of multi-source information fusion,which based on the clustering idea of integrating potential field topology,hierarchical clustering algorithm and FCM algorithm and introduced the fuzzy set theory into neural network to form a multi-criteria fuzzy neural network model based on information fusion,and optimized the network.Simulation showed that the model was valid.

Application Research of Grey Dynamic Auto-modeling in Prediction of Gas Gushing

ZHANG Rui-lin~, LIU Xiao~, JIN Yi~

2008, 34(1): 12-14.

<Abstract>(49)

Abstract:
On the basis of grey theory,the paper put forward a grey dynamic prediction method of gas gushing with equation dimension new information and developed an application program of prediction of gas gushing with VB.NET.The program could run after gas gushing data in process of digging,reduce calculation and enhance speed and precision of prediction.It was good in practice application.

Research of Fire Detection System Based on Fuzzy Neural Network

SONG Xiao-rui, DONG Ai-hua, YANG Yi

2008, 34(1): 15-17.

<Abstract>(26)

Abstract:
In order to reduce the rate of leak-check and error of fire alarm system,the paper put forward a design scheme of fire detection system based on fuzzy neural network according to characteristics of fire detection,and introduced the system composing,design and application of fuzzy neural networks.The system can process the data detected by sensors intelligently,which has improved the flexibility and accuracy of fire detection obviously.The result of simulation showed that it is reliability.

Research of Preprocess Model of Supervised safety Information of Coal Mine

WANG Xin-sheng~, ZHOU Lei~, HUA Gang~

2008, 34(1): 18-21.

<Abstract>(24)

Abstract:
From building up a supervised safety information system of coal mine,which has charac-teritics such as rapid speed,high efficiency,correct and reliability, the paper analyzed the necessity and feasibility of optimum transmission,set up a preprocess model of supervised safety information of coal mine by utilizing distributed calculating ability of Intranet.The model was used in supervised safety information system in Huaibei Coal Mining Group,and achieved remarkable result.

Research of Paralleled Active Power Filter Based on DSP

YANG Lin-xia~, FU Zhou-xing~, DIAO Yu-qing~

2008, 34(1): 21-24.

<Abstract>(30)

Abstract:
The paper put forward a scheme of harmonic compensation for power system with active power filter(APF).Taking paralleled active power filter as investigated subject,it made systematic study for topology,detection algorithm of compensation reference,control strategies of the APF.On the basis of the study,it introduced the design of paralleled APF based on DSP.It verified the validity and practicability of the mathematic model,detection algorithm and control strategies of the APF by simulation experiment.

Research of Position Control and Its Matlab Simulatio

QIAN Yi-bin, WU Xiao-jie, DAI Peng

2008, 34(1): 24-26.

<Abstract>(20)

Abstract:
The paper introduced mathematical model of S type of three-segment speed setting in main shaft hoist system,and designed its simulation model based on Matlab/Simulink and gave out the simulation result.The analysis and simulation result showed that the S type of speed setting of the model can stop hoister correctly,lift efficiently,and has good applied value.

Design of Speed-sensorless Vector Control System with Fuzzy PID

KANG Zhen-yong, ZHOU Ji-hua, BIMAL·K·BOSE

2008, 34(1): 27-30.

<Abstract>(42)

Abstract:
A speed-sensorless vector control system was established based on the fundamental equations of a vector control of induction motor.Rotor-speedestimation used the theory of model referencing adaptive control(MRAC).In order to improve the performance of the vector control system,three fuzzy PID controllers were presented and designed to control speed,torque and magnetic linkage respectively in the indirect vector control system.Simulation result showed that this way has a good control performance.

Analysis of Input Impedance of Mine-used ADSL Loop

SONG Wei, CHENG Ling-fei

2008, 34(1): 31-33.

<Abstract>(30)

Abstract:

Application of Fuzzy Control in Strobe Control

MA Yong, DU Gang

2008, 34(1): 34-35.

<Abstract>(22)

Abstract:

Influence of Apertures on Electromagnetic Shielding Effectiveness of Power Equipment Case

XU Yun-zhi, ZHANG Jun-guo, LI Guo-xin, LIU Qing

2008, 34(1): 36-38.

<Abstract>(37)

Abstract:

Application of Networked Virtual Instrument Technology in Coal Mine Monitoring System

XU Yao-song~, FU Hua~, WANG Dan-dan~

2008, 34(1): 38-40.

<Abstract>(40)

Abstract:
Aiming at the existing problems of coal mine monitoring system in process of information transmission at present,the paper put forward a scheme of using technology of networked virtual instrument and CAN bus to improve the system.The improved coal mine monitoring system transmitted moni-toring information to detection server by CAN intelligent detection node and CAN interface card,and built up virtual instrument system by LabVIEW in order to analyze and process the monitoring data.The system realized sharing of monitoring information and feedback and transmitting of control information.

Design of Ultrasonic Detector of Particle Size of Coal Water Mixture Based on ARM+uC/OS-Ⅱ

WANG Wei-dong, XU Zhi-qiang, WANG Zhen-chong

2008, 34(1): 41-44.

<Abstract>(22)

Abstract:
According to some functions relation between the change of acoustic characteristic and the particle size of coal water mixture(CWM) when ultrasonic transmits in CWM,the paper put forward a design scheme of intelligent quick detector of particle size of CWM based on LPC2210 and uC/OS-Ⅱ,and applied PLL technology in the circuit of chronometry,so as to improve the measure precision of transmitting time of ultrasonic.The running result proved the detector is satisfied for requirement of particle size detection of CWM.

Design of Embedded FOM Network Management SNMP Agent and Its Implementatio

LI Na, ZHAO Bing, ZHAI Wen-ya

2008, 34(1): 44-47.

<Abstract>(12)

Abstract:

Monitoring System of Gas Concentration Based on MCS51 and VB6.0

LU Qiu-ying, HAO Guo-fa, XIANG Xiao-dong

2008, 34(1): 48-51.

<Abstract>(67)

Abstract:
The paper introduced composition,working principle,design of hardware and software of a monitoring system of gas concentration based on AT89C2051 single-chip microcomputer and VB6.0.The system can not only realize real-time monitoring and prewarning for gas concentation in mine,but also has alarming function of rate of gas increase,which provides a scientic measure to prevent and decrease gas disaster.

Design of Coal Mine Safety Information Sharing System and Its Implementatio

NIU Ju-fen, CHENG Wu-yi, WANG Cheng-biao

2008, 34(1): 51-53.

<Abstract>(33)

Abstract:
Aiming at the requirements of coal mine production safety management and the charac-teristics of coal mine safety information stream,the paper presented design method and information flow of coal mine safety information sharing system.Taking the geological information system(GIS) of coal mine safety production developed with Visual Basic combined with Active Control MapX as example,it introduced the key technologies of management mode of information system,reliable sharing and sharing implementation in details.

Design of WebGIS System for Coal Mine Extracting Joining and Its Implementatio

WU Kai-xing, HAN Xi, LIU Li

2008, 34(1): 54-56.

<Abstract>(27)

Abstract:
On the basis of analysis of user requirement,.NET frame and development platform of SuperMap, the overall frame of WebGIS system for coal mine extracting joining was built in the paper. The functions of analysis of coal mine extracting joining, edit, operation and management of map, path of optimization of the system were realized.

Reform of Networked Electric Control System of Hoister of the Fifth Coal Mine of Pingdingshan Mining Group

TAN Xing-guo

2008, 34(1): 57-59.

<Abstract>(40)

Abstract:
Electric control system of main hoister of the fifth coal mine of Pingdingshan Mining Group adopted relay-contactor control method,which was backward and serious aging, needed to be reformed immediately. According to the characteristics of the coal mine, the paper provided three reforming methods and analyzed the advantages and shortcomings of the reforming methods, gave the best reforming method for the coal mine. It also analyzed several important segments of reforming of networked control system.

Design of a New Model Wireless Data Transmission System

LIU Guo-peng, LIU Jing, YAO Da-yong, WANG Yu-feng

2008, 34(1): 60-61.

<Abstract>(23)

Abstract:

Design of X-ray Nondestructive Test System of Strong Conveyor Belt and Its Ethernet Transmissio

LU Xiao-cui, MIAO Chang-yun, WANG Wei, WANG Jun-feng

2008, 34(1): 62-64.

<Abstract>(38)

Abstract:

Design of Measuring SYstem of Boiler Coal to Each Boiler and Bunker

LI Chuan-jiang, ZHANG Zi-qiang, XU Jin-long, ZHANG Tao

2008, 34(1): 65-67.

<Abstract>(39)

Abstract:

Implementation Method of Real-time Monitoring with Mobile Telephone Based on J2ME

LIU Gui-ying, ZHOU Qi

2008, 34(1): 67-69.

<Abstract>(19)

Abstract:
The paper put forward a real-time monitoring scheme of developing terminal software of mobile telephone based on the technology of J2ME and realizing reception of real-time monitoring alarming and inquiring of real-time monitoring data by use of functions of GPRS of mobile telephone. It introduced the structure and advantages and shortcomings of the technology of J2ME and described design method of terminal software of mobile telephone based on the technology of J2ME and implementation method of real-time monitoring with mobile telephone in details.

Research of Mine Monitoring and Control System Based on Hybrid Mode of C/S and B/S

WANG Zhen, LI Chang-qing, AN Wei-peng

2008, 34(1): 70-72.

<Abstract>(32)

Abstract:
The paper introduced the structure features of C/S mode and B/S mode and their advantages and shortcomings,put out the applied prospect of hybrid mode of C/S and B/S in mine monitoring and control system.The application of the mode provided certain reference for the system development in future.

Solution of Information Integration of Automation Subsystem for Underground Transformer

SHI Li-ping, JI Feng

2008, 34(1): 73-75.

<Abstract>(21)

Abstract:

Integrated Technology of Industrial Control Network and Information Network

YU Zhong-an, LI Hui-bi

2008, 34(1): 76-79.

<Abstract>(43)

Abstract:
Industrial control network and information network are two parts of enterprise’s network. Integration of industrial control network and information network can realize sharing of information and resources between networks,which is key of realizing informatization and integrated automation. This paper introduced the difference of industrial control network and information network,analyzed the necessity of integration of control network and information network, expounded several modes and some key problems of integration of control network and information network.

Application Research of RFID Detection for Moving Targets in Mine

SUN Chuan-yu, XIAO Lin-jing, WANG Shu-ping

2008, 34(1): 79-81.

<Abstract>(104)

Abstract:

Design of Main Station of Mine-used Tracking and Position System for Personnel Based on MapInfo

XU Jian-jun, SHI Yi-qiao

2008, 34(1): 82-84.

<Abstract>(35)

Abstract:

Analysis and Design of Bidding System for Coal Mine Enterprise Based on CORBA

ZHAO An-xin, HAO Qin-xia, LU Jian-jun, WANG Xiao-lu

2008, 34(1): 85-88.

<Abstract>(43)

Abstract:

Design of Safety Training System Based on ASP.NET and Its Implementatio

BAI Jing-yi, LI Shi-yin, HOU Yu-hua, ZHU Shou-gang, YUE Xu-ju

2008, 34(1): 88-90.

<Abstract>(24)

Abstract:

Application of GSM in Remote Control Software for Coal Mine

DENG Gan-ming

2008, 34(1): 91-93.

<Abstract>(35)

Abstract:

Design of Monitoring and COntrol System of DC Power Supply Based on CAN Bus

LI Ke-jian, CHEN Wen-hui, GAO Yua

2008, 34(1): 93-95.

<Abstract>(42)

Abstract:

Design of Display Terminal of Monitoring and Control Workstation of Coal Mine

ZHANG Zhi-bin, ZHU Jun-jie

2008, 34(1): 96-98.

<Abstract>(37)

Abstract:
The paper put forward a kind of design method of structure circuit of display terminal based on single-chip microcomputer, discussed the structure,the application methods and skills of main modules of the circuit. The display terminal realized interaction between user and monitoring and control work-station of coal mine and between user and network resource too.

Intelligent Frequency COnverter Based on PROFIBUS-PA Bus Interface

HUANG Jiang-ping

2008, 34(1): 98-101.

<Abstract>(32)

Abstract:

Design of Infrared Remote Control Receiver of Video Monitoring and Control System of Coal Mine

YUAN Fei

2008, 34(1): 101-103.

<Abstract>(32)

Abstract:

Design of Integrated Protector of Small and Medium Transformers Based on AT89C51

LIU Xu-ying, ZHANG Ji-dong, SHE Na, ZHANG Jie