Fuzzy Quality Function Deployment: An Analytical Literature Review

Table 1

The frequency of proposed methodologies for FQFD.

ID	Method	Number of research
1	Fuzzy linear and nonlinear programming models	53
2	Fuzzy regression models (linear and nonlinear)	3
3	Metaheuristic methods	6
4	Hybrid models	13
5	Fuzzy group decision making models	8
6	Multicriteria decision making (MCDM) models	29
7	Models proposed to prioritize CRs	2
8	Other methods	1