2007 Vol. 33, No. 3

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Cover Catalogue
Study of Application of Bluetooth Technology in DataTransmission of Coal Mine
SONG Bai, ZHU Hua, XUE Yong-gang
2007, 33(3): 1-5.
<Abstract>(85)
Abstract:
Bluetooth technology was selected to solve the difficult problem of transmission in short distance after analyzing the advatages and shortcomings of different technologies of wireless communication including 802.11b,HomeRF,IrDA and Bluetooth,and a scheme of wireless data transmission system based on Bluetooth technology was presented.Furthermore,the paper analyzed the theory and protocol specification of the Bluetooth communication and RFCOMM protocol,a Bluetooth system model which(replaced) serial cable was established based on Bluetooth serial port application framework,a hardware was designed based on single-chip Bluetooth module from the CSR company,a hardware platform of system was built based on the Bluetooth devices which could realize data transmission of point to point,software arithmetic flow based on the RFCOMM protocol was implemented,the whole system software was(designed) based on the Bluetooth serial port application framework and it was implemented on the hardware platform of the wireless data transmission system.The testing result showed that the RFCOMM(service) function of Bluetooth module was perfect and the system was stable.
Design of Control System of Mine Drainage Pumps
BU Xiang-quan~, ZHOU Shu-zhi~, PANG Ke-wang~
2007, 33(3): 5-7.
<Abstract>(42)
Abstract:
In the mine drainage system many drainage pumps must work correspondly.Aiming at the characteristics of drainage pumps in mine,the paper presented a method of realizing balance run and automatic shift of multi-motor of drainage pumps by analyzing the control demand of drainage pumps and searching the optimization scheme between the reliability,simplicity and economy of system control.
Study of a Forecasting Method of Geological Disaster in Coal Mine Based on Wavelet Analysis
ZHANG Yang~, YAN Jie~, LI Dong~
2007, 33(3): 8-10.
<Abstract>(60)
Abstract:
This paper studied a forecasting method of geological disaster in coal mine starting from the applied point of view, presented the principle diagram and relative software flowchart of data collection equipment. The wavelet analysis and data processing was made based on sampled data stylebook in order to forecast disaster.
Design of Intelligent Charging System of Electrical Locomotive in Coal Mine
HU Xue-feng~, TAN Guo-jun~
2007, 33(3): 11-14.
<Abstract>(64)
Abstract:
Aiming at the characteristics of lead-acid battery of electrical locomotive in coal mine,the(paper) designed a PID controller of self-adaptive fuzzy based on self-adaptive fuzzy control theory and(presented) the design of software and hardware of control circuit of the charging device based on micro-(processor Inte)l80C196KC and FPGA.The experiment results indicated that the system could meet the charging (requirement) in high efficiency,fast and nondestruction.
Study of a New Model of Signal Transmissio
Chen Jin-ying, Shang Qin, Li Yang, Chen Zhuo
2007, 33(3): 14-16.
<Abstract>(81)
Abstract:
The paper analyzed the existing problems of common wires used as undergroud transmission line of power supply and signal of monitoring and alarming, and put forward a new type of transmission wire based on plastic. The result of practical test of electroconductibility showed that the unique superiority of the plastics transmission wire is worth utilizing and further researching.
Study of Lightweight Workflow Engine Based on .Net and Database
CHEN Xiao-lin, HE Yao-yi, TANG Li-ping
2007, 33(3): 17-20.
<Abstract>(63)
Abstract:
The workflow technology is a rapidly developing technology of business process automation currently.In order to improve the efficiency of software development and the flexibility and robustness of software,the paper presented a framework of lightweight workflow engine based on.Net and database through analysis the problems existing in the process of software development and implementation,(discussed) how to use.Net platform and databse technology to develop workflow engine in detail,and gave the design principle and detailed methods of denotation and implementation.The workflow engine has been(applied) in practical applications,and the practice has proved it can significantly shorten the development(cycle) of business-critical and meet the demand of use of user structurally.
Study of OPNET Network Simulation and Its Applicatio
GAO Yuan, HUA Gang
2007, 33(3): 21-23.
<Abstract>(75)
Abstract:
In today’s field of computer communication and networks,network simulation is a very important tool of technology. This paper mainly described the characteristics, modeling and steps of network simulation of OPNET, and studied the application of OPNET simulation technology in LAN’s planning and design.
Analysis of Safety and Reliability of WatchDog
CHAI Yu, LIU Xiao-rong
2007, 33(3): 24-26.
<Abstract>(27)
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Study of Modeling of SVI Soft Measurement for Aerator
SONG Xian-min, ZHONG Wei-sheng
2007, 33(3): 27-29.
<Abstract>(101)
Abstract:
Overview about Study Status and Control Strategy of Sensorless Control Technology of Permanent Magnet Synchronous Motor
PAN Ping, FU Zi-yi, LIU Hui, ZENG Mi
2007, 33(3): 29-31.
<Abstract>(39)
Abstract:
The control system of sensorless of permanent magnet synchronous motor is the study hot-spot because it has many advantages such as high precision in control,convenience in installation and maintenance and high reliability. The working principle of sensorless control technology of permanent magnet synchronous motor was introduced in the paper,and its study status was analyzed. Through analysis and comparing of its control strategy, the present study focus and problems needed to be solved of sensorless control technology of permanent magnet synchronous motor were put forward.
Fault Diagnosis Technology of Frequency Converter and Its Development Trend
MA Tian-bing~, DU Fei~, ZHANG An-ning~
2007, 33(3): 32-34.
<Abstract>(45)
Abstract:
The fault diagnosis technology of frequency converter becomes more and more important. The newest study state in this field at home and abroad in the recent years was introduced in the paper, the advantages and shortcomings of every method were compared. The development trend was pointed out that fusing many different methods to study fault diagnosis technology of frequency converter and to build up its early-warning system.
Study of Forecast System of Outburst of Coal Laneway with Method of Continuous Flow and Its Implementatio
LI Kui, CHEN Song-li, CHEN Zhua
2007, 33(3): 35-37.
<Abstract>(47)
Abstract:
The forecast system of outburst of coal laneway with method of continuous flow is a new and dynamic method of outburst forecast which taking embedded computer as core. The working principle and functions of the system were introduced in the paper, the structure diagram of hardware and software of the system were given. The existing forecast method of outburst of coal laneway was summarized and analyzed.
Application of Hybrid Networking Model in On-line Monitoring System for Coal Mine Ventilator
ZHANG Hong-qin, REN Zi-hui
2007, 33(3): 38-40.
<Abstract>(36)
Abstract:
The networking of real-time monitoring and control system takes an important part in the forecasting of status of production and safety and operation management.The paper described the(design) schemes of networking for remote monitoring of on-line monitoring system for coal mine ventilators,and introduced the selection and application of hybrid networking combined with field condition of a coal mine.
A New Kind of Device of High-voltage Comprehensive Monitoring and Protection for Coal Mine Underground
LIU Chang-sheng, PAN Shu-yan, LV Liang-ju
2007, 33(3): 40-42.
<Abstract>(20)
Abstract:
Design of Automatic Control and Protection System of Emulsion Pump-station of Coal Mine Based on Single-chip Microcomputer
LI Cheng, ZHANG Guang-ming, TANG Gui-zhong, ZHU Wei
2007, 33(3): 43-45.
<Abstract>(39)
Abstract:
This paper described the structure and working principle of a automatic control and protection system of emulsion pump-station of coal mine based on singlechip microcomputer. The system is(composed) with kinds of sensors, took P87LPC768 single-chip microcomputer as control chip and realized automatic control and protection for pump-station.The whole system is easy to achieve in the practical project.
Application of Model ZDB6 Integrated Device with Auto-tracking Compensation in 6 kV Power Network
HE Wei
2007, 33(3): 46-48.
<Abstract>(36)
Abstract:
Application of Model GJWJ-IV Single-phase-to-ground Line Selection Device for High-voltage Power Network in Liangzhuang Coal Mine
NIU Yu-quan, ZHUANG Xu-jin, WEI Dai-zhi, FU Gui-xing
2007, 33(3): 48-50.
<Abstract>(45)
Abstract:
Development of Intelligent Protector of Mine Motor Based on AVR Single-chip Microcomputer
YU Dao-yang, ZHANG Chuan-wei, GUO Wei
2007, 33(3): 51-53.
<Abstract>(32)
Abstract:
The paper introduced a kind of intelligent protector of mine motor which was designed by ATMEG8 single-chip microcomputer. The product is a renew protector of traditional JDB serial protecotr which has characteristics of intelligent protection function expect for retaining primary protection function. The practical application showed that the protector has high ratio of performance and price and high value of market popularization.
Study of Transmission Technology of Digital Video Information Based on IP Network
JIANG En-hua
2007, 33(3): 54-57.
<Abstract>(30)
Abstract:
The paper studied the transmission technology of video information of multimedia video monitoring system with network from technologies of compressed coding, multicast and control of transmission speed, designed a video server based on industry control computer and presented a network model of group transmission of video information.
Study of Networking System of Remote Monitoring of Coal Mine Based on the Latest MapGuide Technology
GUO Ju
2007, 33(3): 57-60.
<Abstract>(16)
Abstract:
To point at the problems of incompatible GIS data format and high maintenance cost existed in the networking system of remote monitoring of coal mine based on WebGIS,the paper put forward a solution for developing networking system of remote monitoring of coal mine based on the latest MapGuide technology. It mainly introduced the technologies of framework of MapGuide and FDO data accessing, described the design of network architecture and function of the system.
Design of a Kind of Multifunction Portable Terminal Used in Underground Based on WiFi Technology and Its Implementatio
SUN Yi, XU Rui-hua
2007, 33(3): 60-63.
<Abstract>(30)
Abstract:
In view of the problems that underground information equipments are self-governed and difficult in maintenance, a kind of multifunction portable terminal based on WiFi was designed.The multifunction portable terminal used WiFi module to realize connecting with wireless local network,its hardware circuit used ARM embedded microprocessor as core,and its application software used embedded Linux as platform. It could perform functions of VoIP, positioning for personnel and monitoring for environment.
Study of Driving and Protection of IGBT for Large Power Inverter of Three Level
LI Xiao-dong, WANG Jing, ZHANG Yong-jun, LI Jing
2007, 33(3): 64-66.
<Abstract>(30)
Abstract:
Design of On-line Monitoring System for Electrical Fire and Its Implementatio
ZHAO Jia-jing, LIU Yan-cheng, YU Ying, Lin An-ping
2007, 33(3): 66-68.
<Abstract>(32)
Abstract:
Design of Control ASystem of Automatic Coal Conveying System for Boiler
WANG Wei, LIU Xun, LIU Zhi-min, QIAO Huai-xin, QI Kai
2007, 33(3): 69-70.
<Abstract>(34)
Abstract:
Design of Measurement System of Gas FLow
YANG Shi-zhong, XING Li-jua
2007, 33(3): 71-73.
<Abstract>(30)
Abstract:
Design of Control System of Wet Flue Gas Desulfurization Based on PCS7
ZHANG Jian, DONG Tian-yua
2007, 33(3): 73-76.
<Abstract>(24)
Abstract:
Study of Communication Bus Based on RS485 Interface Used in Coal Mine Underground
YAN Xian-yong, SONG Jian-cheng
2007, 33(3): 77-79.
<Abstract>(28)
Abstract:
The various factors which influence on the communication quality of RS485 bus had been analyzed in details,and an intrinsically safe RS485 interface circuit was designed according to conditions in coal mine underground in this paper. The exactness,rationality and practicability of the communication bus were verified by the communication between single-chip microcomputer AT89C52 and PLC.
Study of a Computer System of Monitoring and Diagnosis for Hoister with AC-AC Frequency-converter
FAN Xiao-hong, HE Feng-you, MA Zhi-xu
2007, 33(3): 79-81.
<Abstract>(21)
Abstract:
Development of Management Information System for Electromechanical Equipments in Baodian Coal Mine
Ma Yong, MIAO Yan-zi
2007, 33(3): 82-84.
<Abstract>(40)
Abstract:
A management system for electromechanical equipments of coal mine was developed with(Client/Server) system and the operation,maintenance and storage of management information of stock for(electromechanical) equipments were realized.The server of the system used the Microsoft SQL Server 6.0 and the client used the Delphi 7.0.
Design of Management System of Informatization and Its Implementatio
HU Teng-jiao
2007, 33(3): 84-86.
<Abstract>(31)
Abstract:
Speed Regulation with Frequency-conversion and Remove of Harmonic Wave
NIU Yun-long
2007, 33(3): 87-88.
<Abstract>(41)
Abstract:
Fieldbus Control System of Leveled Network Based on CAN/LIN Bus
LV Ang~, SUN Rong-gao~
2007, 33(3): 88-91.
<Abstract>(43)
Abstract:
According to the problems of the fieldbus control system with single-stage network,and combining the features of CAN bus and LIN bus,this paper presented a fieldbus control system with (leveled) network based on CAN bus and LIN bus.The system can insulate the local failure,enhance the(reliability) and reduce the cost.
MCGS Configuration Software of Industry Control and Its Applicatio
BAO Jian-hua, DING Qi-sheng, ZHANG Xing-kui
2007, 33(3): 92-94.
<Abstract>(68)
Abstract:
The composition,construction and characteristics of MCGS Chinese configuration software of industry control were introduced,the process of configuration with MCGS and main functions of the(system) also described in details through the project development for a distributed monitoring system of(air-compressor) group.Engineering experiences showed that the system has the advantages of high dependability and automation,convenient operation,and has widely application value.
Application of Remote Monitoring System of Power Supply in Coal Mine Underground
Pang Wei-dong
2007, 33(3): 94-96.
<Abstract>(27)
Abstract:
Design of a Mine-used Gateway of CAN/485 Bus and Its Implementatio
ZHANG Li, DING En-jie, HE Yu-wei, PENG Rui-yong
2007, 33(3): 96-98.
<Abstract>(90)
Abstract:
Considering the specialty and requirement of mining production,this paper designed an(interlinkage) gateway between CAN Bus and RS485 Bus with PIC18F248 single-chip microcomputer,and gave the design principle and implementing schemes of software and hardware of the gateway.The gateway was designed to be low-power-consumed,so it is very suitable for coal mine due to its high reliability,simple structure,low cost and good real-time quality.
Design of Intelligent Interface of RS485 Bus
XU Le-nian, WANG Lei, YUAN Yu-liang, HAN Hui
2007, 33(3): 99-101.
<Abstract>(46)
Abstract:
Multichannel Communication Based on Serial Interface and Its Applicatio
REN Zi-hui, ZHANG Jun-xia, ZHANG Guo-yuan, BAI Jing-yi
2007, 33(3): 101-104.
<Abstract>(34)
Abstract:
Design of Watt-hour Meter with High Performance Based on ADE7757
YANG Li-fei, MA Jin-yua
2007, 33(3): 104-107.
<Abstract>(21)
Abstract:
Application of Voltage Amplifier System with High Precision in Capacitance Voltage Transformer
ZHANG Fang-jun, WEN Chang-sheng, XU Zhe
2007, 33(3): 108-110.
<Abstract>(27)
Abstract:
Design of Intelligent Communication Interface Based on DeviceNet
CAO Mao-hong, WU Jian-xin, YANG Fe
2007, 33(3): 110-112.
<Abstract>(36)
Abstract:
The paper introduced a design method of software and hardwere of intelligent communication interface based on DeviceNet and AT89C51CC03.It gave the hardware circuit and software design flows in details,including the implementing flow of baud rate self-adaptation and message transmission and reception of DeviceNet.
SHT11 Digital Sensor of Temperature and Humidity and Its Applicatio
ZHANG Yan-li, YANG Ren-di
2007, 33(3): 113-114.
<Abstract>(32)
Abstract:
Software Technology of Enhancing the Reliability of Embedded System
DING Jian, ZHANG Lin, MA Lin-sha
2007, 33(3): 115-118.
<Abstract>(39)
Abstract:
Software anti-interference technology is an important means to enhance the reliability of embedded system. Combining the practice,this paper at first analysed the basic requirements of embedded system software and the features of software anti-interference, then presented some kinds of effective methods for software anti-interference such as technologies of software engineering and fault self-diagnosis in software etc.
Using Fuzzy Control to Realize Water Supply with Frequency Conversion Speed Regulation and Constant Pressure
QIAO Wei-de
2007, 33(3): 118-120.
<Abstract>(22)
Abstract:
Design of USB-UART Based on CH341 and Its Implementatio
LI Fu-ling, ZHANG Jin, YAN Yue-sheng
2007, 33(3): 121-122.
<Abstract>(41)
Abstract:

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