Abstract
G. Cortes Robles’ TRIZ (Russian acronym for “Theory of Inventive Problem Solving”)–CBR (Case-based reasoning) model has the capacity to accelerate conceptual design and to find inventive solutions. This paper describes how the TRIZ–CBR model can be enhanced by introducing the weight sensitivity. Of course, weight used to measure the relative importance of multiple attributes is a very important component of the similarity function, which has a great influence on the CBR results. By means of weight sensitivity analysis, the similar cases which possess high reference value among retrieved cases can be selected. A laundry drum product example was given to verify the validity of the model.
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