additive model assume each parameter affects the response independently of the others nA, Bi, Ck, D)=u+a;+b,+Ck+d+e This is similar to a taylor series expansion f(x,y)=f(x。,y)+ x-x)+ (y-yo)+hot OX X=x y=yo Robust System Design mit 人 16881Additive Model • Assume each parameter affects the response independently of the others η( Ai , B j , Ck , Di) = µ + ai + b j + c k + di + e • This is similar to a Taylor series expansion ∂f ∂f f ( x, y) = f ( x o , y o ) + ∂x ⋅( x − x o ) + ∂y ⋅( y − y o ) + h.o.t x = xo y = yo Robust System Design 16.881 MIT