Mest Parameter Stud 16888 E77 Specify levels for each factor Change one factor at a time, all others at base level Consider each factor at every level Expt Factor No n factors A D 1+n(-1) B1 D1 evaluations B1 C1 D1 /levels A3 B1 C1 D1 B2 C1 D1 4 factors 3 levels each 12345678q Al B3 D1 Al B1 D1 1+n(1-1) Al B1 C3 A1 B1 D2 1+4(3-1)=9 expts B1 Baseline: Al. B1. C1. D1 o Massachusetts Institute of Technology -Prof. de Weck and Prof. Willcox Engineering Systems Division and Dept of Aeronautics and Astronautics10 © Massachusetts Institute of Technology - Prof. de Weck and Prof. Willcox Engineering Systems Division and Dept. of Aeronautics and Astronautics Parameter Study Parameter Study • Specify levels for each factor • Change one factor at a time, all others at base level • Consider each factor at every level Expt Factor No. AB C D C1 D1 D1 D1 D1 D1 D1 D1 D2 D3 C1 C1 C1 C1 C2 C3 C1 C1 4 A1 B2 5 A1 B3 6 A1 B1 7 A1 B1 8 A1 B1 1 A1 B1 2 A2 B1 3 A3 B1 9 A1 B1 n factors 1+ n ( l-1) evaluations l levels 4 factors, 3 levels each: 1+ n ( l-1) = 1+4(3-1) = 9 expts Baseline : A1, B1, C1, D1