2009 Vol. 35, No. 11

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Cover Catalogue
2009, 35(11): 1-5.
<Abstract>(59) <PDF>(3)
Abstract:
Design of Data Acquisition System for Mine-used High-voltage Distribution Device Based on DSP and PLL
GAO Rong-gui, SONG Jian-cheng, ZHENG li-jun, LI Dang-ying
2009, 35(11): 6-9.
<Abstract>(23) <PDF>(3)
Abstract:
In view of the problems that the data acquisition system of microcomputer relay protection of underground high-voltage distribution device has not good real-time ability,the paper proposed a design scheme of real-time data acquisition system for mine-used high-voltage distribution device based on TMS320LF2407 DSP and 14-bit A/D chip MAX125.It expounded hardware circuit design of PLL,data acquisition circuit and the system software.The experiment result showed that the system has good performance such as real-time,accurate and reliable in data acquisition.
Design of Intelligent Protection Device of Magnetic Starter Based on W79E834
ZHANG Li, CHEN Kui, LUO Jian-feng, SUN Chang-qing
2009, 35(11): 9-12.
<Abstract>(28) <PDF>(3)
Abstract:
The paper introduced a design scheme of intelligent protection device of magnetic starter based on W79E834,expounded design of hardware and software,implementation of protection function of the device.The device has protection functions such as short circuit,over-current,phase failure,earth leakage lockout and energy metering.The device has run in some coal mine and its result of field running showed that the device solves many problems existing in the simulation protection devices of coal mine,such as low precision,easy to fail and no energy metering,and so on,which realizes intellectualization and digitization of small flame-proof switch.
Design of Wireless Network Monitoring and Control System of Safety Parameter for Mine Air Shaft and Its Key Technologies
WU Yong-xiang, WU Tao, CAO Zhen-guan, WU Pa
2009, 35(11): 13-16.
<Abstract>(28) <PDF>(3)
Abstract:
In view of the problems of safety parameter monitoring and data transmission of mine surface air shaft,the paper put forward a design scheme of wireless network monitoring and control system of safety parameter for mine air shaft which adopted DSP monitoring and control substation and transmitting data by wireless network,and emphatically expounded key technologies of design of monitoring and control substation,interface circuit,network selection,optimal design of wireless channel,and software design of upper and down comuputer.The system uses DSP monitoring and control substation to sample,process and display all the parameters of air shaft,and then transmit the data to the control center on ground through wireless network, which can monitor and process fault of the air shaft timely,and achieves safety production.
Design of Microcomputer Blending System Based on Fuzzy Self-adaptive Control Algorithm
ZHANG Hong-wei, WANG Xin-huan, YU Fa-shan, WANG Fu-zhong
2009, 35(11): 16-19.
<Abstract>(45) <PDF>(3)
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In order to resolve the problems of low precision and bad real-time of traditional control methods of blending system,the paper designed a fuzzy self-adaptive microcomputer blending system by using of fuzzy self-adaptive control algorithm based on fuzzy theory and expert system.The system adopts deviation and deviation change rate of raw material’s set value and actual weighing value as the fuzzy controller’s inputs and feeding and discharging speed as the outputs,and uses expert system to on-line evaluate weighing state and control precision and automatically adjust weighing speed and flying material amount,so as to realize the best combination of speed and precision.The practical application showed that the algorithm increases system’s precision and speed,reaches the set control requirements.
Design of Bootloader Based on MicroBlaze Soft Core Processor
DAI Yue, MIAO Chang-yun, RONG Feng
2009, 35(11): 20-23.
<Abstract>(34) <PDF>(2)
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The paper introduced a design of Bootloader program based on MicroBlaze soft core processor,and described hardware configuration of the FPGA embedded system which is suitable for Bootloader program and flow of hardware logic design and software design of the program.The Bootloader program is a set of start-up codes which runs in the internal processor after hardware configuration of the FPGA is completed.It is used to transmit user’s application program from FLASH to external RAM and boot the embedded system.It solved the boot problem of embedded system with large complicated applications.It has applied in practice and has better adaptability.
Design of Energy-saved Control System of Freezing Station Based on Fuzzy Control
HONG Yan, SU Jing-ming, ZHENG Xiao-liang
2009, 35(11): 23-26.
<Abstract>(16) <PDF>(3)
Abstract:
In order to reduce energy loss of coal mine freezing station of sinking with freezing method and increase intelligent control level of brine pump of freezing station effectively,a energy-saved control system of freezing station based on fuzzy control was designed in the paper,working principle of hardware and software design of A/D sampling and processing module,fuzzy control module,D/A frequency output module,communication module of remote monitoring and control of the system were expounded,and the flow chart was given.The system adopts advanced embedded system to construct hardware control system,and uses fuzzy control algorithm to realize frequency converter control for rotate rate of motor which can meet demand of variable load flux,so as to achieve the high efficient energy-saved destination.
Data Quality Engineering of Fault Diagnosis of Complex Mining and Metallurgical Equipment
WU Jian-jun~(, 2), CHEN Shuang~1 REN Zi-ye~
2009, 35(11): 27-32.
<Abstract>(48) <PDF>(3)
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The paper introduced data production process of mining and metallurgical equipment in details,put forward a methodology of data quality engineering of fault diagnosis of complex mining and metallurgical equipment which can ensure veracity of fault diagnosis by improving data quality,namely the measure can reduce data variation through optimal design of anti-interference of data collection system(outline), and recognise data variation source and decrease and prevent from variation in use and maintenance(inline),in order to collect high-quality data of equipment state under bad mining and metallurgical environment and insure data reliability of fault diagnosis of equipment.Verification of practical example showed that the method can provide solution of data quality assuring,and can decrease false alarm or fail report.
Design of Fuzzy-PD Controller of Wireless Networked Control System and Its Simulatio
PENG Li-ping~, GUO Jing~, PENG Chen~
2009, 35(11): 33-36.
<Abstract>(39) <PDF>(2)
Abstract:
A simulation model of wireless networked control system was established on the basis of TrueTime and Matlab/Simulink,and some simulation experiments were performed based on the system model and control strategies.A Fuzzy-PD controller was designed,and a method of parameter optimization off-line was proposed by using ITAE as an important reference index.The control performance was improved by adjusting the converted parameter of the Fuzzy-PD controller based on different network bandwidth occupied rates.The advantage of the Fuzzy-PD control algorithm was validated as compared with PD and Fuzzy control algorithm by the simulation results.
Power Harmonic Analysis and Measurement of Mine DC Hoisting System
AI Yong-le, HU Zhi-guo, ZHANG Zhan, GAO Cai-xia
2009, 35(11): 37-41.
<Abstract>(20) <PDF>(4)
Abstract:
It is very important for mine power supply system to know the level of power harmonic in AC side of mine DC hoisting system.In this paper,firstly,modelling of DC hoisting system was built and simulated under Matlab/Simulation in order to know the influence of load change in the DC side on harmonics in AC side theoretically.Secondly,the harmonics of a practical mine DC hoisting system was measured and analyzed.The measurement result showed that the harmonic current of the eleventh exceeds allowed value but harmonice voltage does not exceeds the allowed value when large bell run in full load.Finally,the factors of AC power side harmonics and suitable measurement were given.
Novel Modulation Strategy of Direct Power Control of PWM Rectifier Based on Virtual Flux
ZHAO Huan, WANG Hong-mei
2009, 35(11): 41-45.
<Abstract>(20) <PDF>(2)
Abstract:
The paper analyzed working principle and characteristics of virtual flux direct power control for PWM rectifier.It put forward a novel modulation strategy of direct power control of PWM rectifier based on virtual flux in order to resolve the problem of unsteady of system adjustment caused by structure deficiecy of traditional switching table,which through restructure switching table to improve adjustment ability and characteristics of input and output of rectifier.The simulation result showed that the novel strategy can weaken the phenomenon that reactive current is out of control near the voltage vector,control active power and reactive power effectively and ensure rectifier operates under unit power factor.
Research of Out-of-step Prevented Control Strategy of Low-speed Permanent Magnet Linear Synchronous Motor
WANG Fu-zhong~, JING Peng-hui~, ZHANG Hong-tao~
2009, 35(11): 46-49.
<Abstract>(19) <PDF>(3)
Abstract:
In operation process,key of stable operation of permanent magnet linear synchronous motor is wether it is out-of-step.Through analysis of characteristics of power angle of permanent magnet linear synchronous motor,the paper put forward a prevented control strategy of out-of-step of motor combining changing voltage with changing ratio of voltage and frequency,which uses double-mode fuzzy controller to achieve prevented control of out-of-step of motor.The simulation result showed that the strategy has simple arithmetic,good quality control,and so on,which can avoid out-of-step operation of permanent magnet linear synchronous motor effectively,and has higher application value.
Space Vector Modulation Strategy of Three-phase to Two-phase Matrix Converter and Its Implementatio
FANG Yong-li, TAN Guo-jun, DONG Wei
2009, 35(11): 50-53.
<Abstract>(6) <PDF>(2)
Abstract:
The paper proposed a space vector modulation strategy based on three-terminal output topo-(logy) of three-phase to two-phase matrix converter which uses indirect transform technology and the matrix converter is considered as a combination of a virtual rectifier and a virtual inverter.It analyzed link of (virtual) inverter emphatically,gave detailed modulation algorithm,and got calculation formula of duty ration of the matrix converter by integrating links of virtual rectifier and virtual inverting.The experiment result based on dSPACE platform showed that the matrix converter with the modulation strategy can get symmetric two-phase sine output(current) whose angles’ shift is 90° and sine input current with unity power factor,which proves correctness and effectiveness of the modulation strategy.
Application of PIV in Research of Internal FLow Field Measurement of Separation Machinery
Yang Ping, Zhang Zong
2009, 35(11): 53-55.
<Abstract>(11) <PDF>(2)
Abstract:
Modeling and Simulation of Electro-hydraulic Position Closed-loop Sampled-data Control System
LI Hong-wei, SONG Xiao-yan, BIAN He-ying
2009, 35(11): 56-58.
<Abstract>(13) <PDF>(3)
Abstract:
Algorithm Research of VOltage Phase Angle Measurement and Its Applicatio
DUAN Jun-dong, QI Xin-hong, QIAO Li-na
2009, 35(11): 59-62.
<Abstract>(34) <PDF>(3)
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Research of PID Setting of Kinds of Performances Index Based on Competitive Algorithm
ZHANG Lin-hai, ZHAO Yu-jun, LV Wen-ge
2009, 35(11): 62-65.
<Abstract>(19) <PDF>(2)
Abstract:
Analysis and Research of Static State Stability of Simple Electric Power System
LIU Jing-xia
2009, 35(11): 65-68.
<Abstract>(26) <PDF>(3)
Abstract:
Design of Intelligent Methane Concentration Detector
YANG Ren-di~, ZHANG Yan-li~
2009, 35(11): 69-72.
<Abstract>(17) <PDF>(3)
Abstract:
An intelligent methane concentration detector based on SPCE061A and non-heating semiconductor gas sensor was designed.The working principle,hardware configuration and software design of the detector were introduced detailedly.The detector has two output modes of LCD display and voice broadcast which is visual and practical.And the detector overcomes shortcomings of non-linearization of gas sensor output and sensitivity falling with time and power voltage in traditional detectors through amending sensitivity by software,and it insures correctness of detection.
Development of Frequency-convertion Control System for Mine Ventilation and Its Applicatio
SUN Chuan-yu, XIAO Lin-jing, SUN Hui, WANG Shu-ping
2009, 35(11): 72-75.
<Abstract>(21) <PDF>(3)
Abstract:
Design of Locomotive Battery Detection System Based on Wireless Sensor Network
ZHANG Yan-hong, LIU Jian, CHEN Lu, KANG Hui-feng
2009, 35(11): 76-78.
<Abstract>(8) <PDF>(3)
Abstract:
Application of Slope Integrated Monitoring Device in Slope Management
ZHANG Hong, CHEN Hui, ZHAO Yong-zheng
2009, 35(11): 79-81.
<Abstract>(25) <PDF>(3)
Abstract:
In order to resolve the problems of slope transportation management,the paper proposed a scheme used slope integrated monitoring device to manage slope, and introduced application of slope integrated monitoring device in slope management in details.The device uses slop video monitoring system and slop turnout remote control and display system to transmit real-time images of key equipments,car operation or remote operation controls and status display in middle car yard to driver,in order to the driver timely analyzed,determine and select precise operation mode,and increase safe protection of slop transportation.
Design of Cooling System in High Temperature Mine
YANG Zheng-guang, YE Ping, ZHANG Xiao-lei, BI Yu-ye
2009, 35(11): 81-83.
<Abstract>(21) <PDF>(3)
Abstract:
Application of Touch Screen in Control Device of Underground Pumps
MA Yong, CHENG Tie-dong, ZANG Qi-liang, SHI Zhi-peng
2009, 35(11): 84-87.
<Abstract>(26) <PDF>(3)
Abstract:
Design of Mine-used Digital Pressure Meter with Low-power and Storage and Its Implementatio
WANG Cheng-Yi~, CUI Jian-Ming~, GUO Xiu-Mei~
2009, 35(11): 87-90.
<Abstract>(22) <PDF>(5)
Abstract:
The paper introduced a design method of mine-used digital pressure meter with low-power and storage,and described working principle,low-power design of hardware circuit and software of the meter in details.The meter successfully reduces power consumption of the whole circuit through selection of high integration and low-power microcontroller,managing power supply of every circuit and low-power software design,which prolongs the life of battery.
Implementation of Modbus Communication Protocol Based on dsPIC33F Microcomputer Protectio
MIAO Lu~, CHEN Xiao-ming~, MIAO Shi-hong~
2009, 35(11): 91-94.
<Abstract>(10) <PDF>(3)
Abstract:
On the basis of research of Modbus RTU protocol,the paper put forward a design scheme of implementation of Modbus communication protocol based on dsPIC33F microcomputer protection,and gave hardware circuit and main software flow.The scheme has advantages of simple structure,high reliability and short exploitation cycle,which has definite practicality and reference.
Design of Weighing Instrument of Magnetite Powder of Automatic Recharge Device for Dense-medium
BAI Sheng-wei, HE Quan-mao
2009, 35(11): 94-96.
<Abstract>(9) <PDF>(4)
Abstract:
Application of FCS Technology in Coal Preparation Plant
SONG yan-xi
2009, 35(11): 97-100.
<Abstract>(45) <PDF>(4)
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Analysis of PLC Program of Electric Control System of Coal Mine Belt Conveyor
HU Yu-song
2009, 35(11): 100-102.
<Abstract>(12) <PDF>(5)
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Design of Remote Networked Motor Control System
HAN Zhi-xia
2009, 35(11): 103-106.
<Abstract>(39) <PDF>(3)
Abstract:
The paper introduced a design scheme of remote networked motor control system based on DSP.It summarized principle and framework of the control system,and introduced principle of motor control system module and Ethernet interface module,hardware circuit frame and communication in details.It also designed remote customer monitor interface.The control system has advantages of low cost,miniaturization,networked,portable,simple circuit,high reliability,and so on.
Design of Electric Control System of Roadheader Based on PLC
ZHANG Hong-qiang, JIA Cun-liang, XUE Ting
2009, 35(11): 106-108.
<Abstract>(13) <PDF>(4)
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Design of Protector of Brake Clearance for Mine Hoister
ZHANG Ping, LIU Guang-jun, SUI Li-guo
2009, 35(11): 109-111.
<Abstract>(16) <PDF>(3)
Abstract:
Design of Wireless Data Acquisition System for Torsional Vibration Signal
WANG Wen-zeng, HAN Zhen-na
2009, 35(11): 111-114.
<Abstract>(17) <PDF>(3)
Abstract:
Construction of Mine-map Graph Correction System Based on MapX
LI Lu, MA Shao-yi
2009, 35(11): 115-116.
<Abstract>(12) <PDF>(3)
Abstract:
Design of Temperature Collection System Based on King-view and DS18B20
WANG Yu-feng, MA Xiao-feng
2009, 35(11): 117-119.
<Abstract>(13) <PDF>(3)
Abstract:
Supervision of Distributed System Based on SNMP
DU Jing, HUA Gang, CUI Ra
2009, 35(11): 120-124.
<Abstract>(24) <PDF>(4)
Abstract:
Research of Operation Modes of Reserve Power Supply
JIANG Zhi-hua~, DUAN Jun-dong~, FAN Bu-jing~
2009, 35(11): 124-127.
<Abstract>(24) <PDF>(6)
Abstract:
Taking distribution network ’two supply lines and two branches’as example,the paper analyzed existing problems and its advantages and disadvantage of probable modes and reserve modes in running,and put forward corresponding improvement measures and several methods about reserve power source automatic connection.It should be defined reasonable and reserve power supply modes by the information sharing,operation and reserve has priority in stair loads,give attention to integrated control measures for the healthy and stable of the system and quickly restore power supply of load classification in batches.It can improve reliability and success ratios of reserve power.
Reform of Manual Call System Based on PLC
WANG Hua
2009, 35(11): 127-128.
<Abstract>(17) <PDF>(3)
Abstract:
Influence Research of Time-sharing Sampling on Measurement-accuracy of Intelligent Power-meter
YAN Jian-hui
2009, 35(11): 129-131.
<Abstract>(20) <PDF>(3)
Abstract:
Design of Distributed System of Rapid Input for Name and Address
SONG Jing-ping, SONG Ye, ZHANG Shuo
2009, 35(11): 131-134.
<Abstract>(19) <PDF>(3)
Abstract:

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