Research on Abstract Information Model of an Editorial Office Based on CIMS

An information system is a complex information system. An information model based on CIMS should reflect everyday affairs of the editorial office the same as common information model. Moreover, it has some special aspects. The paper gives an common information model and its structure, along with the information model of an editorial office based on CIMS. The abstract information model of an editorial office is proposed with set theory and topology, and its application and significance are also given.     

Cluster Analysis of Hourly Usage Ratio of Lighting and Equipments Energy Use in Office Buildings

The hourly usage ratio is very important for lighting and equipment energy predicting of office buildings and energy saving calculation of energy efficient retrofit. 17 office buildings in Chongqing were selected to calculate daily usage ratio by using whole-year electrical consumption data of lighting and equipments energy system. According to the different hourly usage ratio, office buildings have been categorized into two main types by using cluster analysis method. Then, the typical hourly usage ratios of two types of office buildings were calculated.     

悬挂式小型液压植树挖穴机关键部件的设计计算

为了满足植树的需要,研制了自动化程度较高的液压微型挖穴机,该机可由8.82~13.23kW的拖拉机悬挂,液压机构控制升降,主要由机架、液压系统、发动机、升降臂、挖穴钻头等部件组成,具有结构简单、机动灵活、自动化程度高、安全可靠、经济实惠等特点。基于机械设计理论,设计了挖穴机的钻头、液压系统等关键部件,研究了微型液压植树挖穴机关键部件的设计。     

The Centralize-Distributed Structure Model of Electronic-Business that Based on the Concept of Field-Bus Control System

Electronic business is a model of automation business activities, so the concept of field bus control system that is the latest control technology in automation control domain could be transplanted into electronic business structure to optimize the performance of the electronic business. The author studied the model which had centralize distributed structure and built under the concept of FCS in the environment of electronic business. By analyzing the performance of shops online, authority center and logistics distribution center that have the centralize distributed structure, the conclusions could be drawn that the centralize distributed structure model of electronic business has the advantages of high reliability, rapid response, high expandability, easy to rebuild and high system efficiency that FCS has.     

Design of Automobile-inertia-brake-testing-system Based on Electrical-inertia

The traditional Automobile-inertia -brake-testing-system adopts the Mechanical Inertia pan to imitate automobile the Moving Inertia. This kind of system volume is bigger than new one, more difficult in inertia adjusting, and lower in automation degree. Aiming at the problems, this paper puts forward the innovative design of Automobile-inertia-brake-testing-system based on electrical inertia. The mathematic model of the Mechanical Inertia is analyzed. To use the algorithm to control motor, the authors make the output inertia generated by the controlled motor can imitate the Mechanical Inertia, then apply electrical inertia to replace Mechanical Inertia .The simulation result shows that the design idea is correct and feasible, stronger in system rubustness, lower in cost, more accurate in control quality, and higher in automation level.     

An Expert System for the Diagnose of peripheral Nerovus Conduction

To promote automation of diagnoses for the pherpheral nervous conduction,byartificial in telligence technique,an expert system of diagnose is formed. This expert system is madefrom the experiences of the soecialists in the field,which constitute the rcasoning rules and k nowl-edge-based of the system,and the database managemnt system.The tests show that the efficiencyand correctness are obviously improved.     

Information Platform of Enterprise Office Based on Dynamic and Instantaneous Coordination Work

It is not able to provide the decision service information that should be instantaneous, exact and all-around for governor by means of traditional mode of information communication. And it is important problem faced by modernization office. In order to get the needed information instantaneously and satisfy requirement of coordination work, the paper presents a kind of enterprise office information platform based on dynamic coordination work. The platform can guarantee coordination work of the system dynamically and instantaneously, and it is stronger in functions, and facility in use. It is discussed in more details to the design of dynamic coordination workflow drive and coordination message service drive and so on. The application effect of practical engineering shows that the design is successful.     

RAPD-PCR系统优化用于对水稻穗型性状的分析

本实验优化了RAPD-PCR体系,并用于对重组自交系F12群体中随机挑选直穗水稻和弯穗材料进行分析.结果表明,优化的RAPD-PCR体系可用于多态性分析,从100条随机引物中筛选到7条对模板DNA扩增出了具有重复性较好、清晰、稳定、多态性高的谱带,优化后的RAPD-PCR系统可望应用于对直穗和弯穗这一对性状的分析.     

Principle and Analysis of Rapid Feeder Protection System for Distribution Network

The scheme of rapid protection will be possibly implemented by using the channel of communication, as the communication network of distribution power system being increasingly perfect and particular foundation of optical cable. The feeder protection based on communication can quickly and selectively isolate fault section and restructure the distribution network. This method is the direction of distribution automation. The action principles of feeder protection using blocking and allowing signals of directional over-current are analyzed. The directional over-current protection utilizing blocking signals is suitablefor distribution automation. The scheme can locate the fault section and instantly separate it. When feeder terminal unit (FTU) fails to act or communicate is interrupted, the feeder protection in the substation can backup.     

基于农业物联网的农田土壤环境监测系统的研究与设计

农业物联网是利用各种仪器仪表与传感器参与到农业各种控制自动化的物联网。主要内容是利用物联网(IoT)相关技术开发出一套农田土壤环境监测实时系统,内容包括系统的技术路线、系统设计、开发实现。在系统的实现过程中,通过WSN与4G网络相结合,实现农田土壤温湿度、盐碱度、PH值等土壤环境信息的自动化采集与存储。     

The Ethernet Technology in Water Treatment Automation

Around building a control system for water treatment, the background and the characteristics of technical development of industrial Ethernet are discussed. According to the control system of water treatment from several famous automation companies, the present situation of the technology and application of industrial Ethernet is analyzed. At last, the characteristics of the automatic control system for water treatment are described.     

Study on Single-chip Computer Control Systems in Miniature Water Works

In order to enhance automation and to design low price and performance reliable control systems for the miniature water works, the single-chip computer control system was adopted to control the work. The single chip computer control system in the miniature water works, the principle of the hardware and a part of software block diagram were discussed in this paper. Finally, the data acquisition and control network were introduced.     

Fault Detection Techniques for Feeder Automation

Fault detection of the distribution systems is one of the key techniques for feeder automation. At all times, it is still very difficult for the exact detection of single phase to ground fault. First of all, the distinguishing rules of the faulted phase are presented when ground fault occurs in distribution systems. This paper analyzes the fault detection technique for single phase to ground in system with floating neutral point. Based on faulted phase's current, a method realizing ground fault protection is proposed and the algorithm model of action criterion is given out. The simulation results show that the method will be with very good selectivity to ground fault, and it can be used preferably in feeder automation. The detection method for short circuit fault is also introduced simply.     

鸡蛋质量自动分拣设备控制系统设计

设计了基于PLC技术的鸡蛋质量自动分拣设备的硬件系统和软件系统,阐述了设备的工作原理、总体结构及工作过程。该设备能够完成鸡蛋的自动分级、品质检测和计数功能,具有快速、准确和应用范围广等特点,实现了鸡蛋的在线检测和分级自动化。     

Design Approach to the Total Automation Systems of City Light Rail Transit

The design approach to the total automation systems of city light rail transit (LRT) is discussed, according to the specialty of city transport systems. Based on the operation modes and basic functions of LRT, the scheme of automation systems by using of the networked PLC systems is introduced. The general analysis for each sub automation systems is given, and the redundancy and fault tolerant function are emphasized.     

Expert System for Artificial Intelligence Blast Furnace Smelting Process

In order to upgrade traditional industry and realize the automation of furnace condition judgement and standardization of operation, an expert system for various furnace conditions and breakdown judgement and operation guidance on blast furnace are developed based on the theory of artificial intelligence and knowledge engineering. The system is fulfilled through C++Builder and combined with the actual production picture. The system has efficient and convenient man-machine interface by using menu operation method. The testing and operation of actual production data in simulation system indicate that the system is exact and reliable and can provide both the warning of various furnace breakdown and corresponding operation guidance.     

Real-time Monitoring System of the Pump Station for High Press Water

With the development of industrial automation technology, the monitoring system becomes more and more important in the control system. The paper discusses the monitoring system design based on the pump station for high press water. At first, the paper introduced the base process and the control system of the pump station for high press water. The control system includes two parts: upper part and lower part. The control network consisted of some PLC controls the device in the system. Then the method of the OOP technology application to the monitoring system design are emphatically introduced and discussed. Finally, the paper briefly introduced the main function models and the key technologies.     

Influence of Indoor Temperature and Humidity on Thermal Comfort and Energy Consumption of Air-Conditioning Systems

Taking a central air-conditioning system as an example,this paper presents the influence of indoor design temperature and relative humidity on thermal comfort and energy consumption in an office building in Guangzhou,P.R.China.The study shows that under the identical indoor thermal comfort conditions,the air-conditioning system cooling load increases with the increase of indoor temperature.Increasing the indoor temperature can not decrease energy consumption.In order to reduce the energy consumption in a central air-conditioning system meeting the required indoor thermal comfort condition,an indoor design condition with larger relative humidity and lower temperature is recommended.     

粮仓智能通风控制系统

综合了当今先进的仓储管理技术、电子技术、计算机网络技术、人工智能,通讯技术及防腐防雷技术为一体,设计一套粮仓智能通风控制系统,以实现在外部条件适宜的情况下对粮仓进行通风,达到除热、调湿等目的,进而有效控制粮仓的储粮环境,从而达到安全储粮的目的.     

Application of Serial Ports Simulation in a Non-communication Fault Detection Device of Distribution Networks

This paper summarizes two kinds of fault detection techniques for distribution automation, that is with and without communication in fault detection, and then analyzes their merits and shortcomings. Moreover, according to the development tendency of distribution automation techniques, this paper presents an approach, through which the noncommunication FTU devices can detect transient fault voltage of distribution systems effectually. To detect transient fault voltage without standby batteries, the PIC Single Chip microcomputer with low power consumption and DSP chip with powerful data processing capabilities are adopted to form a dual CPU system. To realize the communication between the two CPUs, the general I/O port,s of the DSP chip are firstly used to simulate the UART communication of the serial ports and communicate with the PIC Single Chip microcomputer. The novel FTU devices based on this approach are tested in static and dynamic simulation experiments, the results are satisfied.