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

Table 2

Design variables for car ratio.

Design variables	Diagrammatic sketch	Level 1	Level 2	Level 3
F; (Ratio of car height to car length, H1/L1)		0.32	0.37	0.42
G; (Ratio of car top part to car height, H2/H1)		0.27	0.30	0.33
H; (Ratio of wheel height to car height, H3/H1)		0.40	0.45	0.50
I; (Ratio of chassis height to wheel height, H4/H3)		0.20	0.35	0.50
J; (Ratio of fore part length to car length, L2/L1)		0.18	0.24	0.30
K; (Ratio of rear part length to car length, L3/L1)		0.09	0.13	0.17
L; (Ratio of front overhang length to car length, L4/L1)		0.14	0.18	0.22
M; (Ratio of rear overhang length to car length, L5/L1)		0.17	0.20	0.23