Product conceptual design based on polychromatic sets theory and axiomatic design

Abstract

We propose a function–parameter model based on polychromatic sets theory in the paper. The proposed model aims to resolve the weaknesses of function– means tree which is difficult to convey the complex mechanical system and constraints among them and to deal with the disadvantages of axiomatic design in the product conceptual design process that does not provide the realization methodologies of specific mapping from the function requirements to the design parameters. The function–parameter model can present complex mechanical system and constraints among them and illustrate the realization methodologies of specific mapping, and five possible constraints between function requirements and design parameters are also presented. Exemplified by the main module design of snow-removing car, the function–parameter model based on polychromatic sets theory is further elaborated.