The Process Model of Conceptual Design Based on Multi-stage innovation

• 1、School of Manufacturing Science & Engineering, Sichuan University

Abstract：Facing to the limitation of lacking sufficient academic argument about the whole design process while a concrete conceptual design method and assistant system be devised, this paper puts forward an integrated mathematic model of product conceptual design based on multi-processes creation. It discusses the model of multilevel rhombus thinking in conceptual design process based on the rule of design process and defines design process as a circulatory system with five phases and four mappings. Adopting the function-element and function carrier-element as the medium to express the design information and appealing the extension transform as the reason toll, it depicts a logic process of the design model with mathematical language system. In addition, it gives a concrete devising frame of the conceptual design system. Finally, an Emergent Cut-off Valves instance is used to verify its feasibility.

Keywords： conceptual design innovation strategies processes mapping extension reasoning , mathematical model