機械設計畢業(yè)論文外文翻譯--機械產品方案的現代設計方法及發(fā)展趨勢-機械設計(存儲版)
【正文】 king, plete body type, a few integrated. Computeraided design stage to achieve this, we must study the automatic acquisition of knowledge, expression, integration, coordination, management and use. To this end, and scholars in mechanical systems design knowledge of programmed design automated processing done a lot of research work, the methods used can be summarized in the following few. Coding method According to motion transform (called functional element) the anization classified, and use codes to describe the types of institutions and function element, which has led to the establishment of body system programmer design expert systems knowledge base. On this basis, binary logic of bining theory with vague integrated judge the establishment of the expert system reasoning mechanisms, and dedicated spaces for the four programmers designed machine tools. Use of biological evolutionary theory, through natural selection and sexual reproduction to enable anisms to the principles of evolution, in programmed design agencies, the use of work theory approach will map the structure of institutions for topography expression, and through the coding technology, the body structure and functions into individual chromosome number string of binary system, and prepared in accordance with design requirements to value use of biological evolution theory breeding control mechanism through selection, overlapping and sudden variations, and other means to eliminate low valuenot to be very adaptive in the evolutionary process of the individual optimal, the best design for the agency. design catalogue method Construction of the functional modules, functional element and body group progressionstyle design catalogue, and this threetiered progression of the design principles of the programmed catalogue as a mechanical transmission systems design knowledge base and the development of intelligent design aids. 4. Intelligent design methodology Intelligent design methodology is the main features: design methodology based on the theory that through 3D graphics software, intelligent design software and virtual reality technology, and multimedia, hypermedia tools for product development design, the idea expressed products, product description of the structure. In the use of mathematical systems theory, taking into a systems engineering theory, product design and system development methodologies VDI2221 technology, developed for use in the initial design of multimedia products developed software Muse. 機械產品方案的現代設計方法及發(fā)展趨勢 摘要 ：根據 目前 國內外設計學者進行機械產品設計時的主要思維特點，將產品方案的設計 方法 概括為系統(tǒng)化、結構模塊化、基于產品特征知識和智能四種類型。 Programme design。然而，產品的設計，尤其是機械產品方案的設計手段，則顯得力不從心，跟不上 時代 發(fā)展的需要。 (2)將產品看作有機體層次上的生命系統(tǒng)，并借助于生命系統(tǒng) 理論 ，把產品的設計過程劃分成功能需求層次、實現功能要求的概念層次和產品的具體設計層次。 系統(tǒng)元件的功能分成產生能量、消耗能量、轉變能量形式、傳遞能量等各種類型，并借用鍵合圖表達元件的功能解，希望將基于功能的模型 與鍵合圖結合，實現功能結構的自動生成和功能結
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