Extension Innovation Design of Product Family Based on Kano Requirement Model

By the existing innovation design methods of product family, people can get new products design effectively. However, these methods cannot make their products to meet customers’ demands completely, because they cannot help people to turn customers’ demands into products characteristics using model methods. This paper uses Kano requirement model to find essential demands, clarify customers’ demands, and utilizes extension innovation methods to establish models for the products, which have different characteristics, then uses extensive analysis and extension transformations to obtained new products designs, and finally get innovation designs of product family according to superiority evaluation methods.