Table 1 Input fuzzy parameters

\(\tilde {c_{pi}}\)

(6.250, 9.560, 12.164, 13.450)

(6.123, 8.263, 11.560, 12.900)

\(\tilde {c_{1i}}\)

(1.234, 1.370, 2.680, 3.250)

(1.234, 1.388, 2.750, 3.350)

\(\tilde {c_{2i}}\)

(2.450, 2.569, 2.700, 3.450)

(1.234, 1.324, 2.950, 3.100)

\(\tilde {c_{3i}}\)

(1.234, 1.486, 2.900, 3.200)

(1.150, 1.638, 2.950, 3.400)

\(\tilde {s_{i}}\)

(10.250, 13.350, 14.500, 16.250)

(9.850, 14.609, 15.210, 17.230)

\(\tilde {R_{i}}\)

(5.263, 6.957, 8.985, 10.452)

(4.563, 6.513, 7.925, 9.561)

\(\tilde {A_{i}}\)

(95.520, 107.192, 108.500, 110.250)

(94.200, 101.654, 102.213, 105.120)

\(\tilde {B}\)

(9100, 9450, 9550, 9700)

\(\tilde {F}\)

(1800, 1950, 2050, 2150)