Abstract
Based on analysis of application characteristics of product design knowledge, the design process of complex product was presented. A framework structure of product integrated design knowledge model for supporting multi-disciplinary design was proposed, the fusion method of product integrated design knowledge was also explored, and design knowledge acquisition of multidisciplinary design along with evaluating satisfaction degree in process and method of objection were analyzed. Associated with the methodology of multidisciplinary design optimization, a prototype system supporting multidisciplinary design was developed based on ideal framework of product integrated design knowledge model with the software development tool Genexus.
Highlights
With increasingly severe product marketing competition, product development and design all have changed a great deal in process and pattern
Complex product refers to a product of complicated structure, technology intensive, high with manufacturing request and cost, complex process management, and diversified requirements from customers[1,2].There are two remarkable characteristics of product design: the first one is knowledge density, turn purely geometrical optimization design into performance design and variant design based on knowledge; the second one is complexity of multidisciplinary collaboration, for design of complex mechanical product, usually have various function and performance requirements
Multidisciplinary design is a field of engineering that use optimization methods to solve design problems incorporating a number of discipline, it can be defined as a formal methodology for the design of complex coupled systems in which the synergistic effects of coupling between various interacting disciplines are explored and exploited at every stage of the design process
Summary
With increasingly severe product marketing competition, product development and design all have changed a great deal in process and pattern. Complex product refers to a product of complicated structure, technology intensive, high with manufacturing request and cost, complex process management, and diversified requirements from customers[1,2].There are two remarkable characteristics of product design: the first one is knowledge density, turn purely geometrical optimization design into performance design and variant design based on knowledge; the second one is complexity of multidisciplinary collaboration, for design of complex mechanical product, usually have various function and performance requirements. Considering that design of mechanical product is a process which is a complicated, multidisciplinary collaborative and weak theoretical supporting, much design knowledge and experience can hardly express in rule, so case-based reasoning method is gaining extensive attention and application[3]. The design process of multidisciplinary design optimization was analyzed, product integrated design knowledge model for supporting multidisciplinary design was proposed, integrating product related design knowledge with design instance and rule synthesis and providing necessary design knowledge for designers
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