New idea generation is the key factors for product conceptual design process. The obstacle for idea generation in the process is difficult to apply knowledge in different fields for designers. Computer-aided innovation systems (CAIs) which are TRIZ-base software systems with a knowledge base provide a framework for knowledge application in different fields, and are suitable for the application for the designers to generate new ideas. Product design is situational, and the situation is different from the traditional design process when the CAIs are applied. The principle of new idea generation driven by CAIs is studied and an integrated CAI-driven process model for new idea generation for product conceptual design is developed. A case study shows the application of the model.
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