A technical framework of the taguchi system design method based on axiomatic design and TRIZ

Abstract

70-80% of product quality is determined in the concept design process, concept design stage has become the ¿bottleneck¿ of the lifecycle quality control. Taguchi method is an effective design quality control approach, its focuses are on the parameter and tolerance design, and there is short of technique solution for system design. In this paper, based on the design axiom of axiomatic design (AD) and solution to contradictions in theory of inventive problem solving (TRIZ), a technical framework of Taguchi system design is put forward. The framework is a component of an evaluation method of product scheme based on AD and a solution flow of latent design contradictions based on TRIZ, and thus it can identify and solve the latent coupling defects laid in design scheme. Finally, a typical mechanical product design example is provided to validate the effectiveness and correctness of this technical framework.

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