Chapter 7 Ulrich and Eppinger - Product Design and Development
Concept Selection
It is based on method developed by Stuart Pugh. Called Pugh Concept Selection.
1. Prepare the Selection Matrix.
2. Rate the Concepts
3. Rank the Concepts
4. Combine and Improve the Concepts
5. Select One or More Concepts
Details
1. Prepare the Selection Matrix.
The concepts are portrayed by written description as well as graphical or pictorial representation.
A reference concept is chosen which is an industry standard or a well known concept to the participants so that it can be used to rate the generated concepts as better or worse.
2. Rate the Concepts
A relative score of "better than" (+) or "same as" (0) or "worse than" (-) is placed in each cell matrix formed by selection criteria and the specific concept.
3. Rank the Concepts
The +, 0 and - are totalled against each concept to rank the concepts.
4. Combine and Improve the Concepts
The team can now see possibilities of combing the good features of various concepts into new concepts.
5. Select One or More Concepts
Selection of one or more concepts is now done for further refinement.
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