Application of GDL Computer Technology in the Field of Architecture Informationization

In the Information Age, an urgent problem facing the present-day architecture informationization in China is how to effectively utilize new computer technology to improve production efficiency in the building industry. GDL computer technology is a new technology designed for developing smart and parametric building models. By making an in-depth study of GDL technological theories and its fundamental features and taking into consideration the status quo of its application, the authors put forward the development and application modes of GDL computer technology in the field of architecture informationization and analyze specific solutions as well as its prospects, so as to provide the theoretical basis for and solutions to accelerating the architecture informationization process and offer a new technological means of enhancing productivity in the building industry.     

Development Trend of Computer Aided Architectural Design(CAAD)

Through the review of history of CAD and CAAD technology development,combined with the application condition of CAAD technology in architectural design,this paper analyzes the theory and advantage of Virtual Building design,dissertates the development trend of computer aided architectural design(CAAD).The Virtual Building model is a complete database including all of the building information,which can be applied in the whole building industry such as building design,structural design,facility management,costing etc.,so as to manage all of the information during the building's life circle.     

Application of Fractals in Architectural Shape Design

A computer aided method for architectural shape design was developed based on the L systems algorithm, the shape grammar and the space surface equation theory. Various 3D entities such as building grounds, building walls and building domes with fractal characteristics could be generated in a short time by using the computer program. These generative 3D entities were saved in a component database which could help to accumulate design knowledge through continuous expansion. A building could successfully be formed by the designers through selecting proper building grounds, walls and domes from this database. The effectiveness of the proposed method was approved with a case study.     

Study on the Application of Energy Efficiency Building Design Based on BIM Technology

In light of the current situation of energy efficiency building design in China and the situation of energy analysis tools application both at home and abroad,aiming at the fact that traditional energy efficiency building design methods cannot meet current needs,this paper puts forward a new design approach-integrating BIM technology with energy efficiency analysis to carry out energy efficiency building design.The virtual building model created with BIM technology is an electronic database containing all of the building's information.By importing this virtual building model into energy analysis tools,we can automatically identify and analyze the model's great amount of information so as to quickly and easily get the energy efficiency analysis results.     

Building Energy Efficiency Design Procedure Based on Digital Technology

Abstract:Digital design technology is crucial for building energy efficiency design, while the key of building energy efficiency design is to analyze the entire design process, dynamic balance and energy cost. Through the application of digital technology in architectural design during its earlier phases, we can analyze such factors as local climate and terrain, create a "virtual building", simulate its actual condition, and conduct a scientific quantitative analysis of the key problems in architectural design. These actions will optimize the proposed design in a timely manner and achieve energy efficient design under the guidance of scientific analysis. Meanwhile, by exploring energy efficiency design procedure based on digital technology, we can adapt to a higher standard of energy efficient design in our new times.     

An Expert System Approach to the Computer Aided Design of Intelligent Controllers

The idea for an expert system approach to the computer aided design of intelligent controllers (ESCAD1C) is discussed and the idea of two step modelling of an intelligent controller is presented on the basis of emulating human control behaviours to solve complex problems. The structure, functions and characteristics of ESCADTC system , and the design procedures of intelligent controllers are gived. The knowledge base and simulating functions for designing intelligent controllers are also described.     

Application of TMS320C6201 to Intelligent Active Security System

With the development of car industry and carrying trade, serious traffic accident threatens the safety of people and property. It proves the essentialty and instancy of developing the intelligent active security system. The system based on the DSP, can overcome the flaw of the system based on the radar,microwave and ultrasonic. With the TMS320C6201 DSP and the algorithm of computer vision and mode identity, it can find the rode, roadblock and the distance of roadblock . With small volume,portable,easy install,adaptability with atrocious environment and low price, the system can meet the desire of practicability. A lot of experiment prove that the design of the system is advanced and reasonable, and can be adapted to the intelligent aided drive of all kinds of car. The system has the good value of popularize and employ.     

Development and Application of Computer Aided Roll Design System for Thread-steel-bar

Roll pass design is one of the important content of making the rolling technology of section steel.The traditional pass design relies mainly on artificial experience,which brings some tedious calculation and great consumption of raw materials.In order to improve production efficiency,the constitute and the design methods of the roll system for thread-steel-bar are analyzed during stretching,further rolling and finished rolling.The mathematical models and the(experience) formulas used for the roll design in the past are revised.The computer aided roll design system is developed for thread-steelbar based on the structural means of compiling program.The authors adopt Visual Basic6.0 as a visual program tool,and combine the basic design theory of the thread-steel-bar's roll and the practical experience.The system can shorten the design cycle of the new product development,and reduce the energy consumption of the rolling mill and the distribution of production.     

Study on Integrated Design of Building Facilities in Scenic Areas

The authors begin with traditional architectural design methodology,review basic theories and development trends of architectural designs from the ancient times to the present.On the basis of combining traditional oriental integral view,modern architectural design and landscape design theories,current construction of building facilities in scenic areas are analyzed,integrated design of the building facilities is proposed,and"integrated design system"further analyzed to offer effective references and theoretical support for the design and construction of building facilities in scenic areas.     

嵌入式Linux系统在粮库中的应用

近年来，随着嵌入式计算机技术的飞速发展，嵌入式系统得到了越来越广泛的应用，尤其是在工控、仿真、数据采集等领域。嵌入式系统需要嵌入式操作系统作支持，而由于Linux操作系统结构清晰，源代码开放性等方面的优势，在嵌入式系统中也得到了广泛的应用。本文以中央储备粮赤壁直属库管理监控系统的设计为背景，论述了基于Linux的嵌入式工作站取代传统的工控机为主的现地控制单元在粮库管理监控系统中的应用过程以及基于Linux的嵌入式工作站的设计。     

Research on Independent Product Development for Concurrent Collaborative Environment & Supporting Technologies

This article deals with the research on the features and collaborative process of independent development of key automobile parts. It generally employed concurrent engineering theory and technologies of Internet & Intranet, computer aided design (CAD), computer aided manufacturing (CAM) and product data management (PDM). Field knowledge on independent development of key automobile parts was concluded and a set of concurrent collaborative environment and key enabling supporting technologies that face the independent development of automobile body panel dies were also built up. Meanwhile it introduced the secondary development methods of knowledge based engineering (KBE) to implement the knowledge transformation of designing and manufacturing experiences for an enterprise. The results was applied for the development & production of one of this enterprise's new automobile styles and work well.     

农业农村信息服务个性化推送技术

推送技术作为一种高效快捷的信息获取方法,是实现信息个性化服务的有效途径,但其在农业农村信息服务领域中的表现却不够理想,究其原因,在于推送技术缺乏针对性致使其难以满足用户的个性化要求。该文针对推送技术存在的缺陷,提出了地域分区推送、协同过滤推荐、时间分块推送和记忆推送等新方法,并且将这些新技术融入到农业农村信息推送服务中,解决了推送技术在农业农村信息服务中的个性化不足问题,提高了农业农村信息的服务水平,对我国的农业农村信息化进程有积极的推动作用。     

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.     

Complex Correlation System Control Based on Human Simulation Intelligence

Because there are lots of difficulties in mathematic modeling for uncertainty complex object, so it is not suitable to utilize traditional methods in some aspect such as identification, analysis, synthetical design and implementation. Especially, for the idea of system modeling, it is very different in comparison with traditional mathematic modeling, therefore, it is very difficult to study control problem for uncertainty system in technology and theory. On the basis of summarizing characteristics of uncertainty complex object, present to establish generalized control model, and apply intelligent control strategy to implement control effectively. In addition, authors also studied control algorithm and system structure. Engineering practice shows that it is effective and successful to establish generalized control model, and select intelligent control strategy for uncertainty control system.     

Innovation of Construction Projects Management Based on the Five-dimension Modeling

Nowadays,the computer technology is applied more and more widely in the architecture,engineering and construction industries(AEC).This paper introduces a methodology of construction project management based on the five-dimension modeling which integrates three-dimension building models,resources and schedules by the development of virtual construction technology.The application of this method also influences several aspects of project management such as range,time,cost,resource,communication and information management.Finally,the process of 5D modeling and the management practice are presented through a real life case in Beijing which proves to be a more efficient,productive and economy project.     

基于需求驱动的茶叶产业互动式信息服务技术

信息服务技术是用户与信息源之间的沟通桥梁,是信息服务质量优劣的决定性因素。笔者针对茶叶产业信息服务特点,强调信息服务的需求驱动性和信息服务的互动性,以用户和市场作为检验信息服务质量的重要标准,以实现信息服务价值的最大化为目的,提出基于需求驱动的互动式信息服务模式。该模式将用户的需求作为驱动因子,并引入信息需求循环优化的互动思想,结合信息的推送和反馈机制,进一步优化信息服务机制,使信息服务更加贴近用户的实际需求。     

A RESEARCH ON THE ARCHITECTURE DESIGN AND BUILDINGS'' AIRCONDITIONING ENERGY SAVING

Taking part in the formulation of "the Standard for Chinese Hotel Air-Conditioning Energy Consumption," the authors study the thermal characteristics and carry out dynamic simulation of annual air-conditioning(heating) energy consumption of six well-known hotels located in Beijing, Shanghai and Guangzhon. This paper particularly analyses how the architectural design and the thermal characteristics (including building orientation, building plane, wal lstructure, window area and structure) effect air-conditioning load and air-conditioning energy consumption. Some views and suggestions on methods of architectural design are put forward, which aim to reduce energy costs, capital costs, and space requirement.     

Problems and Solutions to Planning and Design of Green Building

Green building is one of the important issues for human beings to face ecological and environmental crisis and to examine its own behaviors. To realize sustainable development of architectural industry,main problems in planning and design of green building are analyzed,ideas and suggestions for planning and design of domestic green building are put forward,under the guidance of green building evaluation standards,and on the following two aspects,including urban planning and design driven by shortterm benefits and different design emphases due to unilateral understanding of green building.     

Twisted Blade Virtual Design for Steam Turbine

Due to lack of estimation during initial stage of traditional physical design process for industry product, the efficiency of conduct development is low with high cost. A basic framework of twisted blade virtual design is set up based on the theory and method of product virtual design, and aiming at the thermodynamic process of middle or lower stage of steam turbine. The molding rule of twisted blade is found by thermodynamic computation program. The study of blade virtual design is carried through from 3-dimensional modeling to simulation test. The combination of thermal power theory, computer simulation technology and CAD system forms a kind of design method with the superiority such as high efficiency, low cost and good decidability is represented in the virtual design of turbine blade.