Abstract
Changes in product specifications and their combinations can be achieved through adaptations of physical components. To better satisfy the changeable product specifications, design decisions on physical components need to be made by considering the dependencies among product specifications. In this paper, a method for dependencies quantification among product specifications is defined from the statistical point of view. Since product specifications are achieved by physical components, then the statistical dependencies among product physical components are analyzed based on specifications/components relationships. A method for design decision support based on components clustering is proposed for new product development. An example is provided to illustrate the proposed methodology.
Highlights
Engineering practices in the past decades demonstrate that the global competitiveness of manufacturers is highly related to the rapid response to changeable customers’ requirements of product specifications
To better facilitate the development of different types of products for the satisfaction of changeable requirements, dependencies among product specifications need to be analysed for design decision of physical components by considering the specification/component relationships [2]
In Axiomatic Design, product design matrix is obtained by mapping structure domain to function domain, which indirectly describes the dependencies among functional requirements on product specifications
Summary
Engineering practices in the past decades demonstrate that the global competitiveness of manufacturers is highly related to the rapid response to changeable customers’ requirements of product specifications. Changes in product specifications and their combinations are achieved through adaptations of physical components. Various types of products including customized product, reconfigurable product, upgradeable product, adaptable product, and open architecture product, have been designed with adaptabilities to satisfy the changeable requirements. A comparison of those types of products are provided in Ref. To better facilitate the development of different types of products for the satisfaction of changeable requirements, dependencies among product specifications need to be analysed for design decision of physical components by considering the specification/component relationships [2]. For a coupled design, decoupling method is needed to transform the design into uncoupled or quasi-coupled design to ensure the functional independence [3]. For a complex product or system, calculation of functional dependencies among product specifications can better facilitate the decoupling strategy planning
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