Designing and improvement of quality function development (fuzzy Kano approach)

One of the trench that is used in quality desiccation is Quality Function Deployment. One of the factors which has been used in this method is accomplishing the house of quality and as a result is determining the degree of importance of the customer's requirements. Kano model is a kind of two dimensional model which help the producers to divide the consumer's requirements in to five categories including, basic, performance, attractive, indifferent quality and reverse quality. In the survey by identifying the customer's requirements we determine kind of them and then according to the improvement ratio and the degree of importance is assigned. The degrees of importance can be used for completing the house of quality which is one of the useful tools in QFD. This research is public algorithms that it can use for every product. For example it has been used in Cement Company of larestan, product II Portland cement.