Application of Fuzzy-Based Hybrid Taguchi Method for Multiobjective Optimization of Product Form Design

Table 4

Calculation of fuzzy number “Medium” for different alpha levels.

Alpha level	Alpha cut		Square		Reciprocal
	Left	Right	Left	Right	Left	Right
0	3.000	7.000	9.000	49.000	0.020	0.111
0.100	3.200	6.800	10.240	46.240	0.022	0.098
0.200	3.400	6.600	11.560	43.560	0.023	0.087
0.300	3.600	6.400	12.960	40.960	0.024	0.077
0.400	3.800	6.200	14.440	38.440	0.026	0.069
0.500	4.000	6.000	16.000	36.000	0.028	0.063
0.600	4.200	5.800	17.640	33.640	0.030	0.057
0.700	4.400	5.600	19.360	31.360	0.032	0.052
0.800	4.600	5.400	21.160	29.160	0.034	0.047
0.900	4.800	5.200	23.040	27.040	0.037	0.043
1.000	5.000	5.000	25.000	25.000	0.040	0.040