A Comparative Study of Fuzzy and Intuitionistic Fuzzy Techniques in a Knowledge based Decision Support

Through this paper we present the implementation of fuzzy decision making in case of a medical diagnostic system and compare the results with those of the Intuitionistic fuzzy decision making technique. Both the approaches are used to solve multi-criteria, complex decision making problems. Intuitionistic fuzzy differs from the fuzzy approach as it adds indeterminacy and imprecision to the fuzzy technology. Let us consider a simple diagnostic system where we diagnose the causes of obesity. Patients are treated for obesity according to the type of obesity they have or let us say the cause of their obesity. Obesity can be lifestyle related or it can be a pathological or genetic disorder. Both fuzzy and Intuitionistic fuzzy techniques will determine the cause of obesity. It is for us to decide which one is the efficient way to do it.