During the design and development of new products, design engineers use many techniques to generate and define new and “good” concepts. Inherent in this search for solutions is the conscious and unconscious reliance on prior experience and knowledge, or design-by-analogy. In this paper, a quantitative metric for design-by-analogy is developed. This metric is based on the functional similarity of products. By using this product-similarity metric, designers are able to formalize and quantify design-by-analogy techniques during concept and layout design. The methods, as developed in this paper, allow a designer with limited experience to develop sophisticated solutions that enhance the overall design of a new product. Also, a designer’s current design-by-analogy vocabulary can be extended beyond his or her immediate experience, providing access and contributions to new domains by discovering different products with common functions. The similarity metric and its application are clarified and validated through a case study. The case study is the original design of a pickup winder.

Issue Section:
Technical Papers
Keywords:
design engineering, product development, functional analysis, Design-by-Analogy, Product Similarity, Functional Analysis, Customer Needs, Novel Product Design
Topics:
Design, Winding machines
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