Virtual engineering based on knowledge integration

The current paper presents major issues on actual approaches on virtual engineering, both about methods and tools but also regarding knowledge integration. The main actual strategic way of usage is based on knowledge formalisation, one of the strategic issues of next generation design environments. The evolution of the market has necessitated for new products the reduction of time-to-market, essentially because the product lifecycle is shorter, but also because it is very important to proceed more rapidly from an initial conception to a mass production object. As a result of newly evolved software environments, knowledge-based systems for integrated design and manufacturing is applied for complex systems obtained thanks to complex virtual extended enterprises. Owing to this evolution of virtual engineering technologies and their integration within extended companies, it has become possible today to validate parts representative of customised production within a very short time. The present paper provides an overview of the actual methods and tools in different components that affect speed and efficiency of product development, from the earliest stages of a product's lifecycle. An example of knowledge formalisation is also provided, with concrete aspects of expertise reuse and traceability.

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