Designing a new product can be a challenging task particularly for a novice designer. This paper explores the application of TRIZ to assist a designer in performing this task within a descriptive design framework. The descriptive design framework permits the designer to track his ideas throughout the design process. The ‘technical contradiction matrix’ of TRIZ is integrated into this framework to allow it to provide support to designers. This contradiction matrix is adapted to enable designers to assign their levels of belief or preference to contradicting features to solve design problems. This preference assignment allows more emphasis to be placed on the critical features of a design problem. The proposed TRIZ-based system was tried out on a novice designer in a case study to design a scheme to support concrete filling between beams.

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