Statistical Design of Experiments
Statistical Design of Experiments
Loss Function
Loss Function
Smaller -
Smaller -
the -
the -
Better
Better
L
L
O
O
S
S
S
S
I
I
N
N
T=O
T=O
L
L
/
/
Loss For
Loss For
One Piece
One Piece
L = K X2
L = K X2
2
Oil Consumption, Wear, Smoke, etc
Oil Consumption, Wear, Smoke, etc
Recall Taguchi Loss
Recall Taguchi Loss
Function
Function
Philosophy
Philosophy
–
–
Reduce variation
Reduce variation
around target
around target
–
–
Determine
Determine
nominal target
nominal target
Smaller-the-Better Signal-to-Noise
Smaller-the-Better Signal-to-Noise
= -10 Log (
X
I
2
/ N)
i=1
N
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