工矿自动化

Probe on UWB Wireless Communication Technology for Coal Mine Underground

WANG Yan-fen, YU Hong-zhen, ZHANG Shen, LIU Wei-dong

2005, 31(6): 1-4.

<Abstract>(37)

Abstract:
According to the analysis of the status of wireless communication for coal mine underground, a suggestion of using UWB wireless communication system for coal mine underground communication was proposed.Some new concepts, characteristics and a system structure of UWB wireless communication technology were introduced, and several problems about narrow pulse waveform, the system scheme and application occasion of underground UWB system were discussed. Finally it was pointed out that the(research) of the propagation characteristic of UWB in coal mine tunnel is the most important step for adopting UWB wireless communication system in coal mine underground.

The Editor Countermeasures for Graphs of Monitoring Software Based on Web-SVG

LIU Xiao-jie

2005, 31(6): 5-6.

<Abstract>(31)

Abstract:
By analyzing the requirements of graph editor of man-machine interface of monitoring software and combining with the SVG specification,a graph editor countermeasure based on Web-SVG was put forward in this paper.

Study of the Integrated System of Heterogeneity Databases of Mine Enterprise Based on Web

XIONG Ping, YU Zhong-li

2005, 31(6): 7-9.

<Abstract>(7)

Abstract:
At present,there are a lot of heterogeneity databases in the management system of mine enterprise.This paper analysed and utilized the database’s integrated technology based on Web.Using the existed data sources of mine enterprise,a kind of Web integrated system was designed and accomplished.

Study of the Information System of Coal Mine Based on 3-layer Structure

ZHAO Xiao-hu, WANG Hai-bo, TAN De-jia

2005, 31(6): 10-11.

<Abstract>(11)

Abstract:

Study of the Web Application Based on the Struts Frame and Its Realizatio

MA Zheng-hua, ZHOU Zhong-yi, PAN Cao

2005, 31(6): 12-14.

<Abstract>(28)

Abstract:

The Fuzzy Control of the Braking System with Constant Decelerating of Hoister

PANG Ke-wang, ZHOU Qi-kun, LI Zong-zhu

2005, 31(6): 15-16.

<Abstract>(24)

Abstract:

The Control of Model Reference and Inverse Method for Permanent Magnet Linear Synchronous Motor

FU Zi-yi, ZHAO Wen-tao, WANG Xin-hua

2005, 31(6): 17-19.

<Abstract>(16)

Abstract:
As permanent magnet linear synchronous motor isn’t periodic in structure,the primary iron core and windings are disconnected,its three-phase windings are actually uneven and have peculiar end effect,etc.,it has strong coupling.In this paper,the model reference and inverse method which has the advantage of model self-adapted control and inverse system control and has strong anti-disturbance function was presented.The simulation showed that this method is simple and practical in the same request of capability.

The Design and Application of a Optical Fiber Voltage Transformer

ZHANG Dong-mei, ZHAO Jian-li

2005, 31(6): 20-22.

<Abstract>(17)

Abstract:
By the application of the principle of linear transition between electricity and light of LED,optical fiber voltage transformer overcomes the shortcomings of traditional electromagnetic transformer,and realizes the insulating of electricity and magnetism between high and low voltage sides,the monitoring for power quality.In the paper in view of the instability of the frequency of power net, the interpolation algorithm and data processing software were applied to correct the frequency and frequency error,amplitude and phase of all harmonic waves.And the transformer can carried out the analysis and calculation of harmonic,phase discrimination,power factor,active and reactive power together with PC.

Using the Correlation Analysis to Develop the Position Locating Accuracy of Leakage Position Locating System of Pipe with Negative Pressure Wave

NI Ping-fan, ZHONG Shi-rong, WANG Jian-hua

2005, 31(6): 23-24.

<Abstract>(42)

Abstract:

Study of the Fault Character of 3.3 kV Power System with Isolated Neutral Point

TANG Xiang

2005, 31(6): 25-27.

<Abstract>(11)

Abstract:
The paper analyzed and studied the character of 3.3 kV underground mine power system through steady-state leakage-current,transient leakage-current,body safety and arc grounding over-vol-(tage.) These transient fault parameters of grounding fault are emulated in the computer.Some technical(parameters) were presented.These providid theoretic dates for researching the method of neutral point in(3.3 kV) underground mine power system

Applying the Phase Recurrence Algorithm to Decide Connection Group of Three-phase Transformer

LIN Chun-ying

2005, 31(6): 28-29.

<Abstract>(8)

Abstract:
The phase recurrence algorithm that estimates connection group of three-phase transformer fleetly was given in this article.Compared with the phasor graph method,the phase recurrence algorithm has the advantages of simpleness,speediness and accuracy.

Summary on the Information Synthesis Technology of Multi-sensor

ZANG Da-jin, YAN Hong-feng, WANG Yue-cai

2005, 31(6): 30-32.

<Abstract>(9)

Abstract:
The paper introduced the definition,advantages and development process of the information synthesis technology of multi-sensor,and the working principle,main research method and main application of the technology.At last,the paper prospected the development tendency of the information synthesis technology.

An Integrated Monitoring and Control System for Laneway Safety

ZHANG Xin-kui

2005, 31(6): 33-34.

<Abstract>(14)

Abstract:
This paper analysed the safe rule of coal mine laneway,and designed an integrated moni-(toring) and control system for laneway safety by PLC.The system’s main functions were introduced in detail,and the working principle was discussed in hardware and software

Realization of the Remote Communication of Grouting Monitoring System for Preventing Coal Mine Fire Based on Modem

XU Jia-jia, JIANG Shu-guang, WANG Yong, HU Wei-xi

2005, 31(6): 35-37.

<Abstract>(28)

Abstract:
This paper provided the constitution and working principle of grouting monitoring system for preventing coal mine fire.It mainly introduced the hardware interface design and software implementation method of the communication by means of modem,as well as the realization of the communication software of PC.

The Application of WebGIS Control Component in Mine Ventilatio

JIA Peng-tao, SUN Tao, CHANG Xin-ta

2005, 31(6): 38-39.

<Abstract>(21)

Abstract:
WebGIS is GIS developing hotspot at present.In this paper,the concept and the advantages of WebGIS were introduced.Furthermore,two methods of realizing the system of ventilation based on WebGIS were discussed and compared.Finally an actual example,which mine ventilation system based on WebGIS ActiveX control component—MMAp is developed by VC++ programming language was illustrated.

A New Structure of Integrated Information System of Monitoring System for Coal Mine Safety

LI Bing-cai, CHEN Ke, HUANG Zong-jie, JIN Qua

2005, 31(6): 40-41.

<Abstract>(6)

Abstract:

The Application of High-voltage Frequency-conversion Speed-regulation in Mine Hoister

ZHAO Shu-guo, WEI Shi-jing, GUO Pei-bin, LIU De-sheng

2005, 31(6): 42-44.

<Abstract>(19)

Abstract:

Design of Integrated Protector System for Motor Under PROFIBUS-DP and Its Applicatio

LUO Ming-hua

2005, 31(6): 45-46.

<Abstract>(26)

Abstract:
The paper introduced the structure of hardware and design of software of a integrated protector system for motor under PROFIBUS-DP network.

Full Digital and Integrated Protection for 3-phase Asynchronous Motor

MEI Yang, YING Qi-guo

2005, 31(6): 47-48.

<Abstract>(4)

Abstract:

Design of a Self-switchover Unit for Backup Power Used in Substations of Industry and Mine Enterprises

JIAO Shui-lin, WANG Qing-liang

2005, 31(6): 49-51.

<Abstract>(15)

Abstract:
The paper provided the design of backup power self-switchover unit based on PLC for the substations of industry and mine enterprises.It has many merits such as flexible control,simple(programme) and convenient maintenance in practice. The design took a miniature powerful relay in output(circuit) and combining special programme to resolve the arc problem of relay contact.This system can largely decrease the cost of operation and(maintenance,) enhance the reliability and economic benefit of substation.

An Automatic Control System for Coal Blending Based on PLC and Weighing Controller

LIU Wei-jun, CHEN Guo-ding, CHEN Hui-ying, YE Kang-feng

2005, 31(6): 52-54.

<Abstract>(19)

Abstract:
This paper introduced an automatic control system for coal blending with PLC and weighing controller as the core,and the system used a industrial computer as host,its monitoring software was programmed by VB6.0.

Online Monitoring System for Voltage Based on Signle-chip Microcomputer SPCE061A

LI Zhan-sheng, FANG Kang-ling, FU Xu

2005, 31(6): 55-57.

<Abstract>(18)

Abstract:

The Application of PLC in the Automatic Control System of Small Transportation Vehicle

DAI Guan-xiu, LIU Tai-hu, GONG Dun-wei, LI Ming

2005, 31(6): 57-59.

<Abstract>(15)

Abstract:

The Research about Dynamic Maintenance of Historic Database in Monitoring System for Mine Safety and Its Applicatio

XU Yong-gang, HUA Gang, WANG Shu

2005, 31(6): 60-63.

<Abstract>(3)

Abstract:
The increasing of historic data is the main obstruction of the server’s stability and efficiency in large monitoring system.Combining with the monitoring system for coal mine safety of Huaibei,the paper put forward a solution scheme how to ensure the safety of database,configuration file of automation creation/writing/reading,and realized the data maintenance,which provided an effective and realiable method for automation maintenance of large database.

Design of a Computer Control System Used in Underground Drainage

LEI Ru-hai~, SHAO Zhong-ming~

2005, 31(6): 63-64.

<Abstract>(10)

Abstract:
This article took a coal mine as background to design a computer control system for underground drainage.The principle diagram of hardware of main station and substation of the system were(offered),and the communication model was also designed.

The Application of P2P Network in Enterprises of Mine and Industry Based on JXTA

LI Yua

2005, 31(6): 65-67.

<Abstract>(15)

Abstract:

The Applicatin of IP Multicast in ETHERNET

XIA Shi-mi

2005, 31(6): 67-69.

<Abstract>(24)

Abstract:

The Research of the Remote Monitoring System for Steel-cable Belt

ZHU Yun-xia, JIAN Cong-guang, YUAN Xing

2005, 31(6): 69-71.

<Abstract>(22)

Abstract:

The Application of Mine-used Assembled-switch with Network Functio

YAN Shu-wei, TIAN Da-cun, LIU Jing, ZHOU Zheng

2005, 31(6): 71-72.

<Abstract>(7)

Abstract:

The Technologies of Measuring and Control of Jigger

MING Shang-zhi

2005, 31(6): 73-75.

<Abstract>(14)

Abstract:

The Communication between iFIX and PLC Based on OPC

DAI Peng, ZHOU Xiao-feng, GEN Yi-wen, WANG Gui-feng, CAO Chuan-gong

2005, 31(6): 75-77.

<Abstract>(31)

Abstract:
The paper analyzed the relationship of data accessing of communication between iFIX and SIEMENS S7-200 Series PLC,and introduced the realization of communication between iFIX and SIEMENS S7-200 Series PLC based on the OPC technology.

The Application of PLC in the Monitoring and Control System for Xihe Gate

SHAN Chang-kao, MA Xiao-ping, LIU Da-kui

2005, 31(6): 78-79.

<Abstract>(12)

Abstract:
This paper introduced the functions and design of software and hardware of PLC used in the monitoring and control system of Xihe Gate,and discussed the communication between touch panel and the upper computer and PLC.

The Building Conflagration Monitoring System Based on CAN Bus

MIU Yan-zi, MA Yong, NI Ling

2005, 31(6): 80-82.

<Abstract>(43)

Abstract:

The Electricity-saved Control System of Illumination Based on Fuzzy Control

WU Yao, JIANG Jian-guo

2005, 31(6): 82-85.

<Abstract>(22)

Abstract:

The Design of an Automation Checkout System of Temperature Relay Based on PC Bus

ZHANG Zi-ju

2005, 31(6): 85-87.

<Abstract>(17)

Abstract:

A Measurement System of AC Power Factor Based on MCS-51 Microprocessor

QIAO Ju-zhong

2005, 31(6): 87-89.

<Abstract>(13)

Abstract:
This paper illustrated the measurement and control system of power factor based on MCS-51 microprocessor,including its hardware and software design.Running results showed that it is simple,credible and precise.

The Design of Graph Matrix Display Screen Based on MCS-51 Microcomputer

LIANG Chun, WANG Ju

2005, 31(6): 90-92.

<Abstract>(16)

Abstract:

The Application Research about Using Low-voltage Winding for the Pump Motor of Forced Circulation High-voltage Boiler

CHEN Wei-zhai, WANG Yu-bi

2005, 31(6): 93-95.

<Abstract>(41)

Abstract:

The Compensation Technology of Passive Power and Selection of Compensation Scheme

ZHAO Hui-ya