Application of Web Server in Remote and Intelligent On-line Diagnoses System for Rotational Machinery

Web Server is a software technology and communication method to carry out information issuance. The new concept of combination of equipment faults diagnoses with Web Services technology is proposed. The techniques flow of equipment, techniques parameters, signal characteristics and inference resolution in faults diagnoses are put forward with communication and software in order to carry out data dynamical exchange and interface of HMI. The remote processing on network of system information issuance is formed in this way. The principle and characteristics of Web Server technology are introduced. The common contents of information issuance in on line diagnoses system is also classified. The Web Server is applied in the project for high technology research work (863 project) "Remote and Intelligent On-line Diagnoses System for Rotational Machinery" to realize the function of information issuance and data inquire by groupware of DELPHI 6 Web Services.     

Modern Network Design

Nowadays the network of high-speed and broadband is required in the application of multimedia technology and information community. Many methods, such as network layering design, address design and routing are introduced to design Enterprise Backbone Network VPN's interrelation protocol is disposed and VPN tunnel is cut to establish virtual private network. Server and run plane design, bowels IP address distribution and network security advisement to design Intelligent Residential Area Network are given. It is pointed out that the method of modern network designs satisfies high-speed, intelligent and broadband for the developments of network technology.     

Technology of Developing CAI Courseware Based on Web

This paper introduces specificities of CAI courseware based on network,the configuration and connection of courseware server, compares several technologies to develop CAI courseware based on network, discusses technical key points to develop courseware based on campus network.     

Soil Information System Based on GIS

The GIS function and technique characteristics are introduced. With Client/Server and Browser/Server structure, the paper developed the soil information system based on GIS by using MapInfo to manager spatial data and SQL Server attribute data. The system realizes the inquire, retrieve and statistical analysis of soil fertility and classify information. The function of thematic map making, output and renew are also supported. The system does good to make better use of soil information.     

Preliminary Analysis of Application of CRM in the Real Estate Enterprise

Customer Relationship Managment is a kind of new-type management mechanisms that aims at improving the relation between the enterprise and customer and increasing the customer's loyalty and satisfaction.This thesis begins with the connotation of CRM and explains the structure of CRM system.Then the thesis lays particular emphasis on describing CRM application in real estate enterprises under the environment of e-commerce in terms of enterprise's key competitiveness.It is pointed out that a comprehensive appraisal from multiple angles should be carried out to evaluate the CRM system.     

Networking Database Technology Based on CORBA

This paper firstly introduces a new technology: CORBA by comparing several technologies of Web accessing database, then a few main features were briefly described. On this basis, the CORBA working function was analyzed. At last, an example of successful CORBA based network database was presented.     

基于无线传感器网络和WebGIS的墒情监测系统

为了解决墒情监测中便携式监测仪数据存储、发送困难及墒情实时监测和分析等问题,建立了基于无线传感器网络和WebGIS的墒情监测系统。系统以STC单片机为核心芯片,结合GPRS模块、GPS模块,通过无线传感器网络技术,实现土壤水分数据的实时监测及无线传送。建立了数据库,接收监测点数据。并以SuperMap IS.NET和SQL Server 2005为开发平台进行二次开发,将GIS技术与墒情监测结合起来,根据作物耕作深度、作物生长期对土壤含水量进行判断,得出墒情结果。实现墒情监测点信息、土壤含水量曲线图、等值线分布图在Web服务器上的显示。墒情监测系统的建立和使用,对农业生产有深远的意义。     

Analysis of Cleanroom Technology Through Angle of Design

During the implementation of Cleanroom Model, there are a lot of particular problems need to be resolved, which make it indispensable to grasp the essence and the principles of CRM. The article is on the essential research work in the design procedure of the Cleanroom technology. Through the analysis, it proposes a general architecture, based on which the entry point of the solving process and the distribution of the reducing procedure are introduced.     

Intrusion Detection Technology in Ad Hoc Network

With the rapid development of wireless network and mobile computing,the security of network becomes more important.As one of wireless mobile network,mobile Ad hoc network has new vulnerabilities that do not exist in a fixed wired network,and is susceptible to attacks.This paper introduces some methods which used in intrusion detection system and provides a new model of system based on multi-layer integrated distributed technology,especially recommend the protocol analyzing method in this system.     

Studies on Information Network of Quality Management in Building Engineering

With improvement of construction management and development of computer and network technologies, network technologies are being widely applied in building engineering. This paper discusses how to apply database technology and network technology to design and develop information network systems of building engineering and combine the advanced management methods with computer network technology to share the quality information in construction industry. The solution given by this paper is useful and can be extended to and used in other systems.     

Research on Cooperative Design Network Security Based on IP-VPN

As the important method and instrument of agile manufacture,the technology of distributed collaborative design and manufacturing has become the hotspot of manufacturing. The basic concept and key technologies of IP_VPN are introduced in this paper,and a collaborative design network model based on IP_VPN is presented. Distributed collaborative design is a multi_user,multitask involved system, which is consisted of lots of collaborative processs,so the network security is the key of distributed collaborative design. We research on the security of collaborative design network based on IP_VPN, hence get a conclusion:we can construct an economical?practical and secure collaborative design network system by the application of data encryption,user authentication and access control based on the role,etc.     

白茶质量安全可追溯网络管理系统的实现

为了让消费者购买白茶后可以追溯到白茶生产的全过程,实现白茶质量安全可追溯系统的便捷、实用的目标,引入条码技术,对加工的白茶进行标识,跟踪白茶的生产加工过程。并设计开发了网络化白茶可追溯系统,系统采用.NET平台设计,数据库采用Microsoft Sqlserver,运用C/S（客户端/服务器）与B/S（浏览器/服务器）相结合的体系结构,将追溯信息管理系统放在互联网上,实现了白茶质量安全可追溯系统的网络化管理,使白茶质量安全可追溯系统网络化、普及化。     

Resolvent and Application of Policy Control for QoS

With the rapid increase of the Internet user and widely application of Web,the current network technology is facing great challenge. More and more multimedia operations occupy plenty of bandwidth,and result in the network congestion. Therefore,people begin to use QoS to utilize the bandwidth effectively,and ensure the transport of the emergent operation data. The paper introduces the protocols and basic components of QoS,then expatiates the conception and the basic principles of policy control QoS, moreover,emphasizes the structure model of policy control QoS and how it runs. At last,it introduces the transport process of data packets under the control of policies in a policy control QoS system,and how to make the policies in the real world.     

Software System Protection & Recovery Technology

In order to solve the problem of software system protection and recovery in large computer laboratory , this paper analyses the current state of software system protection & recovery technology and it's defects in safety and stability. The reason causing these problems are discussed. Some solution plans are suggested.The authors hold that there have two way to solve these problems completely , one is strengthening the support from hardware , particularly strengthening the support to recover card directly from BIOS, another is developing new Host/Terminal computer system , protecting software system by ARC.     

The Design of CRM of Stockjobber''s Brokage

The paper firstly analyzes the challenges the stockjobber's brokage is now facing, points out the inevitability and feasibility of implementing CRM for stockjobber.Then how to implement CRM is shown .It includes differentiating its brokage supported by CIC , differentiating its mangement based on CLV and differentiating its service according to customers' investment preference and rebuilding its brokage flow using information flow. Lastly,the framework of CRM of stockjobber's brokage is given and what should be paid attention to when it is implemented is also put forward.     

Real time self learning method of diagnostic knowledge in intelligent diagnosis system

Aiming at real time diagnostic knowledge accumulation and updating in intelligent diagnostic system, to simulate the process experts accumulate and update fault diagnostic knowledge, a new real time diagnostic knowledge self learning model is proposed based on pattern comparing and updating. Abnormal distribution test of hypothesis is used to compare real time equipment fault pattern to equipment normal pattern of contingent knowledge. The algorithm of sample size estimation algorithm is used to calculate the number of samples which is used to obtain necessary diagnostic efficiency. Real time model updating algorithm is used to adjust the diagnostic knowledge model to actual equipment on the spot. Analysis to actual test data of equipment shows that the method could achieve new diagnostic knowledge accumulation and be adaptive to actual equipment on the spot.     

基于3G和VPN的温室远程监控系统的设计与实现

根据温室环境的特点提出一种基于3G无线通信技术和VPN（Virtual Private Network）虚拟专网技术的温室远程监控系统。该系统在温室现场设备和中心服务器之间建立无线的虚拟专网,采用Linux操作系统、ARM9处理器作为软硬件平台,能够对温室环境因子数据的进行自动采集、远程传输、存储管理、网络发布、分析处理,同时实现对温室辅助控制设备的远程控制。试验结果表明：该系统设计方案合理、可靠,能满足各种环境因子的数据采集及多种温室辅助设备的远程控制。鉴于设计方案中采用了通用型技术构架,本系统已经扩展应用于其他农业领域中,如农情监测、气象灾害监测预警等,应用前景非常广阔。     

Computer Aided Roll Collection Management System for Roads and Bridge

The application of Computer Aided Roll Collection Manage System for Roads and Bridge will ease workers and reduce leak of management,corruption farthest. It can improve manage level and work efficiency. It also can reduce traffic jam. This system adopts the technology of vehicle model recognition based on neural network, IC card, automatic recognition of bill based on OCR and transfer of compressed vehicle image. The technology of this system is advanced. This system has high reliability and durability and convenient.     

Network Security Monitor

Illegal traffics on network can be actively detected by network security monitor An advanced system is given which can capture network data stream and intercept malicious attack, so as to alarm or take response action in real-time. The system is composed by sniffer, monitor control center, remote management unit,etc. Attack activities under surveillance can be distinguished by two methods,which are rule based method and statistics based method. Intrusion recognition by sniffer is the key technology of the system. In addition, dilemma between real-time data stream and high inquiry speed, as well as dynamic addition of attack rules contributes to the main concern of system design. Backdoor of The system can be self detected, while intelligent analysis and bi-directional surveillance ability has also been implemented. With all these advance features, the system is presented not only as a strong assistant to traditional network security products, but also an important tool for counter-fighting with rampant network intrusion nowadays.     

Gear classification and coding system oriented to product standardization

A 28-code gear classification and coding system based on the similarity principle of the Group Technology is set up and key technical characteristics of gear products are obtained. Then the geometrically and technically similar part families are clustered through analyzing the results of gear classification and coding, which lead to the formation of gear product standards. Through combining the core features of gear products with rolling bearing identification code sequence,a 11-product-identification-code system is designed and implemented in one special gear manufacturer enterprise.By employing Visual Basic6.0 and SQL Server2000,a Computer Aided Gear Classification and Coding System oriented to Client/Server was developed and exemplified by one specific case. Application results show that the system effectively groups gear products and efficiently categorize the technical characteristics of those having the same classification code into narrower classes,which propell the standardization of gear design and its production.The situation in which various gears are produced in small batches respectively will be improved by large batch production and finally the professional model of mass-customization production will be realized.