Cooperative Fuzzy Games Approach to Setting Target Levels of ECs in Quality Function Deployment

Table 1

The house for the motor car, Chen and Ngai [25].

	Correlation matrix
	ECs	−; EC1; 𝑥1	+; EC2; 𝑥2	−; EC3; 𝑥3	+; EC4; 𝑥4	+; EC5; 𝑥5
	EC1	1	0	0	0	0
	EC2	0	1	0.2	0	0
	EC3	0	0.2	1	0	0
	EC4	0	0	0	1	0
	EC5	0	0	0	0	1
CRs	Weights of CRs	Relationship matrix
CR1	0.31	1	0	0.2	0	0
CR2	0.25	0	0.6	0	0	0
CR3	0.16	0	0	1	0	0
CR4	0.20	0	0	0	1	0
CR5	0.08	0	0	0	0	1
	Technical matrix
	Units	dB	Horsepower	Gallon	Kg	M^3
	Comp1	80	75	0.042	25	0.18
	Comp2	65	65	0.034	24	0.20
	Comp3	65	80	0.028	23	0.18
	Comp4	75	60	0.032	15	0.14
	Comp5	95	80	0.030	20	0.19
	min	60	55	0.027	13	0.12
	max	100	90	0.044	27	0.21
	Relative weights of ECs	0.30	0.19	0.24	0.19	0.08