工矿自动化

Research of Key Technologies of Communication for Underground Wireless Sensor Networks

HU Sheng-bo

2008, 34(3): 1-4.

<Abstract>(32)

Abstract:
One of applications of wireless sensor networks is environmental monitoring for coal mine-underground. It needs data from sensor in mine to be routed to surface stations through soil or rock of mine tunnels, and represents a new challenge for wireless communication. The paper analyzed the problems which communication of underground wireless sensor networks is facing with, and demonstrated(that characteristic of underground channel depends on the properties of soil or rock, particularly humidity. In order to reducing dissipation of energy and overcoming high loss of underground channel,the paper put forward adaptation advice on the basis of analyzing the existing communication protocols of terrestrial wireless sensor networks. Furthermore,the paper presented a design method of cross-layered management protocol for improving efficiency and reliability of the communication networks.

Development of a High-performance Transient Electromagnetic Receiver

CHEN Zhong-ren, CHEN Fang-jing, WANG Hui

2008, 34(3): 5-8.

<Abstract>(32)

Abstract:
According to demand of engineering exploration,a high-performance transient electromagnetic receiver was developed which gave consideration to sampling speed and dynamic range on the basis of analysis the fundamental principle of method of transient electromagnetism. The paper introduced hardware design and anti-interference design of the receiver. The simulated experiment showed that the receiver achieved design requirement.

Establishment of Fault Data Warehouse of Mine Local Ventilation System Based on OLAP

YANG WU-cheng~, SUN Jun-ru~, ZHANG Wu-gang~

2008, 34(3): 9-11.

<Abstract>(27)

Abstract:
The paper introduced a design of fault data warehouse of mine local ventilation system based on OLAP, expounded architectural structure,establishment of data model and implementation of the data warehouse and its functions. The establishment of data warehouse can prevent ventilation fault effectively and provide effestive decision assistance.

Research of Field Test for Performance Curve of Mine-used Counter-rotating Axial Ventilator

CHEN Geng-lin~, YANG Sheng-qiang~, YAN Zhao-fen~

2008, 34(3): 12-14.

<Abstract>(32)

Abstract:
Taking field test for performance curve of counter-rotating axial ventilator in Baiji coal mine as an example, the paper introduced principle of performance test of ventilator, test method of main performance parameters and principle of deciding test scheme,etc. It analyzed actual test result and put forward a few of problems which must be noticed in test.

Research of Model of Hidden Trouble Recognizing and Early Warning for Natural Mine Disaster Based on GIS

ZHANG Bai-hui~, YANG Ming-qiang~

2008, 34(3): 15-18.

<Abstract>(16)

Abstract:
On the basis of data structure and data model of data integrated management of geospatial in coal mine, the paper put forward a model of single judging,area judging and area-single united judging of hidden trouble recognizing and early warning for natural mine disaster. It also studied some key problems such as data requirement and implementation flow of the model in details.

Research of Selcctive Distance Protection of Traveling Wave for Underground High-voltage Power Network

TIAN Shu, ZHANG Sheng-chao

2008, 34(3): 19-23.

<Abstract>(40)

Abstract:
The breaker often took place unselective overstep tripping when short circuit fault occurred in mine high-voltage power network, which is a technical problems and potential safety hazard of underground power supply existed for a long time. The paper used the correspondent relation between modulus maximum of wavelet transform and traveling wave singularity point to measure time of arriving protection installation of traveling wave, then calculated traveling wave speed under particular frequency of the cable in real time for accurate fault location. It made use of action time of protection increasing with fault distance to construct a fast and selective longitudinal protection system by microcomputer’s logic judgment, which is not influenced by protections’ interlock.

Research of Modulation and Demodulation of Inbound Signal of Two-way Automatic Communicatio

YANG Ling-xiao, LI Na

2008, 34(3): 23-26.

<Abstract>(31)

Abstract:
The paper introduced the basic principle of two-way automatic communication system and method of modulation and demodulation of inbound signal, described method of using FIR filter and data difference method to demodulate inbound signal, and used Matlab/Simulink to establish a simulation model based on distributed network. The simulation research for modulation and demodulation of inbound signal proved the method is correct.

Research of a New Kind of BUCK DC-DC Converter

HUANG Jin-feng, DONG Feng-bi

2008, 34(3): 27-30.

<Abstract>(32)

Abstract:
The paper proposed a design method of BUCK DC-DC converter,and established a mathematical model of BUCK converter with state space average method and euler formula, designed regulator and closed loop control system by the mathematical model. The experimental result showed that the design method is rationality.

Temperature Control System Based on PID Neural Network

GUO Xiu-cai, SHU Huai-li

2008, 34(3): 30-32.

<Abstract>(36)

Abstract:

Development of a New Type of COmpensation Circuit of Low-power Switch Power Supply

LIU Ling, ZHANG Kang-zhi, LIN Bi

2008, 34(3): 33-35.

<Abstract>(29)

Abstract:

Current Status and Development Trendency of Monitoring and Fault Diagnosis of Emulsion Pump

HOU Yong-bo~, HAN Xiao-ming~

2008, 34(3): 35-37.

<Abstract>(36)

Abstract:
The paper summarized the current status of monitoring and fault diagnosis of emulsion pump. Combining with features of emulsion pump, it pointed out development direction of monitoring and fault diagnosis system, which included comprehensive application of modern information processing and analyzing technology, intelligence and remote network of monitoring and fault diagnosis and virtualization of instruments.

Overview of Error Control Technology in Video Transmissio

HU Xian, ZHAO Liang

2008, 34(3): 37-40.

<Abstract>(17)

Abstract:

Design of Mine Monitoring System Based on ZigBee Wireless Sensor Network

WEI Zuo-hui~, AI Hui-ming~

2008, 34(3): 41-43.

<Abstract>(19)

Abstract:
The paper introduced structure of mine monitoring system based on ZigBee wireless sensor network,topology of the ZigBee wireless sensor network which is adapted to environment of coal mine underground and composing,software and hardware design of the network node. The monitoring system has great application value in mine by right of characteristics of ZigBee wireless sensor network,such as node movable, rapid and simple in networking,low cost,easy maintenance.

Design of a Portable Tester for Tension of Mine-used Wire Rope

WANG Kun~, FAN Zhao-feng~

2008, 34(3): 43-45.

<Abstract>(7)

Abstract:
The paper introduced design of a kind of tester for tension of mine-used wire rope based on μPSD3334,and gave hardware circuit and software flow chart of the tester. The tester used for measuring tension of wire rope of multi-rope lifting of coal mine and tension difference between wire ropes.

Design of Data Collection System of Mine Water Disaster Based on SPI Bus Technology

CHENG Feng-xia, RAO Jian-hua, ZHANG Xiao-ming, WANG Lan, YAO Zhi-gong

2008, 34(3): 46-48.

<Abstract>(19)

Abstract:

Upgrading and Reform of Digital Remote Monitoring and Control System of Gas

CHEN Ke, HAN Ya

2008, 34(3): 48-50.

<Abstract>(23)

Abstract:

Application of Grip Technology in Coal Mine Safety Management Information System

FANG Xiang

2008, 34(3): 51-54.

<Abstract>(11)

Abstract:

Research of of Fuzzy Control of Air Valve Based on PLC

YU Chun-feng, ZHANG Tian-kai

2008, 34(3): 54-56.

<Abstract>(28)

Abstract:
The paper put forward a detection method of porosity of jig bed through analyzing slicing process of jig bed and introduced design of fuzzy control system of jigger’s air valve and its implementation method based on the detection method.The system took PLC as core, fuzzy algorithm as controller, which realized automatic control of parameters of jigger’s air valve and improved quality of separation of raw coal.

Application of BP Neural Network in Error Compensation of Distance Measurement

CHEN Xi, FU Xing-wu, ZHANG Xing-yuan, CHEN Feng

2008, 34(3): 57-58.

<Abstract>(7)

Abstract:

Research of Distributed Data Communication System Based on DCOM

PEI Fei, HUA Gang

2008, 34(3): 59-62.

<Abstract>(26)

Abstract:
This paper analyzed defects of network congestion in traditional mine-used monitoring and control system caused by a great of transmitted monitoring data, and proposed a new kind of distributed data communication system based on DCOM combining with experience of pratice, and introdced design of the system structure as well as realized key technologies. The system reduced transmitted data and solved network congestion problem, at the same time, it improved stability and reliability of operation of mine safety monitoring and control system.

Networking between On-line Monitoring System of Mine Main Ventilator and Mine Safety Monitoring and Control System

LIU Qi, HU Ya-fei, XIONG Jian-ju

2008, 34(3): 62-64.

<Abstract>(22)

Abstract:

Design of Coal Mine Materials Management System Like as a Supermarket and Its Implementatio

PEI Xiao-fei~, LUO Qu-bo~, JIA Zhi-yong~, SONG Wei~, ZHU Jian-bin~

2008, 34(3): 65-67.

<Abstract>(24)

Abstract:
Combining with informatization network system in coal mine at present, the paper introduced design of a materials management system like as a supermarket and described overall structure, functions and software design of the system. Using the latest technology platform for development and appling the latest technology——ASP.NET to complete receiving and sending materials, by operating supermarket VISA , the system realized informatization of materials management.

Design of Voice Eealy Warning System of MG200/500-WD Shearer

DONG Feng, ZHANG Fu-jia

2008, 34(3): 68-69.

<Abstract>(43)

Abstract:
In view of existed problem of early warning of MG200/500-WD shearer, the paper put forward a set of design scheme of voice early warning system, and mainly introduced design of hardware and related software of the system. The result of experiment showed that the system is stable and reliable.

Application of FR-AH500 Special Frequency Converter in COntrol System of Mine Hoister

SHAO Chang-ji

2008, 34(3): 70-72.

<Abstract>(33)

Abstract:

Research of Realizing Communication between Non-central-switch Calling Systems

WANG Meng, MIAO Chang-yun, WU Zhi-gang

2008, 34(3): 73-76.

<Abstract>(31)

Abstract:
In view of problem that communication systems of non-central-switch calling are unable to communicate with each other, the paper put forward a scheme of realizing communication between non-central-switch calling systems, introduced composing, working principle and hardware and software design of non-central-switch calling communication systems, mainly expounded design method of hardware circuit of merger separator.The actual operation showed that the designed communication system can realize communication and management between non-central-switch calling communication systems, and haveadvantages such as high reliability and stable performance.

Design of Remote Electric Communication System Used in Coal Mine Based on CAN Bus

QIN Guo-fang, CHANG Xiao-ming

2008, 34(3): 76-79.

<Abstract>(22)

Abstract:

Design of Wireless Multichannel Current Collection System Based on nRF401

LI Ai-qiu

2008, 34(3): 80-82.

<Abstract>(25)

Abstract:
The paper introduced a design idea and realization method of hardware and software of current collection system based on wireless communication chip nRF401, mainly expounded design of communications processing module and current collection module and development of communication protocol of the system. Practical application showed that the system can be used for current collection and transmission in places no wiring, and it had high practical value.

Design of Power Fault Recording Oscillograph Based on Embedded System

YAN Gui, JIA Cun-liang, HUANG Wen-fang, HU Shuang-ju

2008, 34(3): 83-85.

<Abstract>(39)

Abstract:

Intelligent On-line Monitoring System for Vacuum Breaker Based on DSP

BU Jiang-chun, MENG Si-qi, CHAI Liang, ZENG Qing-ju

2008, 34(3): 86-89.

<Abstract>(13)

Abstract:

Design of Unitive Early Warning Platform of Integrated Message in Coal Mine

HE Yao-yi

2008, 34(3): 89-91.

<Abstract>(16)

Abstract:
Aiming at actual needs of integrated message of mine production and safety supervision department, the paper put forward an economic and practical scheme of unitive early warning platform of integrated message, introduced detailedly structure composing, lectotype design, implementation of key technologies and application of correlation techniques of the platform.

2008, 34(3): 92-94.

<Abstract>(9)

Abstract:

Design and Implementation of Gas Ventilation Information Management System in Coal Mine

LIU Zu-de, LIANG Kai-shui

2008, 34(3): 94-95.

<Abstract>(25)

Abstract:

Design and Implementation of Mine-used Detector for Flameproof Leakage Relay

XIAO Hai-hong, WANG Ke-fu

2008, 34(3): 96-98.

<Abstract>(10)

Abstract:

Design of Labour and Capital Management System of Modern Mining Group Based on Web and Its Implementatio

CUI Hai-wen, DONG Shang-fu

2008, 34(3): 98-100.

<Abstract>(7)

Abstract:

Topology Analysis of Circuit of UPS for Coal Mine Communication Equipment and Its Performance Compariso

WEI You-ping, YUE Yun-tao

2008, 34(3): 101-104.

<Abstract>(14)

Abstract:

Application of Pwer Line Carrier Communication Technology in Underground Power Monitoring System

Feng Jin, RONG Xiang

2008, 34(3): 104-106.

<Abstract>(25)

Abstract:

Application of Automation Control System in Liangbaosi Coal Preparation Plant

JIA Tang-gang

2008, 34(3): 106-108.

<Abstract>(15)

Abstract:

Research of Distributed Measuring and Control System of Hydraulic Support Based on CAN Bus

SHA Bao-yin, WANG Yong, JIANG Jin-qiu, WU Jin-fe

2008, 34(3): 109-111.

<Abstract>(12)

Abstract:

Application of Infrared Remote Control Technology in Methane Sensors

LIU Zhong-fu, LIU Chang-hong, ZHANG Wei-wei

2008, 34(3): 111-113.

<Abstract>(62)

Abstract:

Design of Train Closing Monitoring System on Coal Unloading Line and Its Implementatio

HAN Wan-xiang, LIU Li, WU Kai-xing, HAO She-ping

2008, 34(3): 114-116.

<Abstract>(15)

Abstract:

Application of MSP430 Single-chip Microcomputer and LCD Module in Display Terminal

LU Liang-liang, FENG Xiao-long, QIAN Jian-sheng, WU Jin-lei, ZHANG Xing-hua, WANG Hong-jia

2008, 34(3): 116-118.

<Abstract>(12)

Abstract:

Design of Car Operating Electric Control System of Auxiliary Shaft Based on PLC

NIE Li-xin, LIU Zhi-zhong, ZHAO Ming-li

2008, 34(3): 119-121.

<Abstract>(19)

Abstract:

Design of High-efficiency Miner's Lamp

SUN Xi-rui, LI Ying-jia

2008, 34(3): 121-122.

<Abstract>(45)

Abstract:

Application of Centralized Dispatching and Monitoring Management System Based on Industrial Ethernet in Gas Power Plant of Yangquan Mining Group

LI Xin, MENG Feng

2008, 34(3): 123-125.

<Abstract>(26)

Abstract:

Application of Master-slave Substation Type PLC Network in Signal Centralized and Locking System

QI Xian-ying~, ZHANG Ming-hai~

2008, 34(3): 126-128.

<Abstract>(25)

Abstract:
The paper briefly introduced working principle and present situation of signal centralized and locking system, put forward a design method of master-slave substation type PLC control network and introduced hardware structure of the system and software design based on CCM protocols. The practice showed that the system has characteristics such as good real-time, excellent expansibility and low cost.

Communication Realization of PLC and Embedded PC/104+ in Monitoring System of Cage Filling

ZHONG Qiang, LI Yu-liang, XIONG Jian-wei

2008, 34(3): 129-131.

<Abstract>(7)

Abstract:

Programming Design of Fault Diagnosis of Serial Communication between Computer and Single-ship Microcomputer

JIA Yu-fen, LV Jian-ju

2008, 34(3): 131-133.

<Abstract>(9)

Abstract:

Application of PLC in Fault Detection and Display of Automation Line

ZHANG Rui-bin, LI Na, Zou Er-ping