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OTE/SPH
OTE/SPH
August 31, 2006
Char Count= 0
3:8
JWBK119-23
368 Statistical Process Control for Autocorrelated Processes
ARL ARL
400 400
AR 1 = 0.0 AR 1 = 0.5
300 300
SCC
200 Max Lambda 200
Avg Lambda
100 100
0 0
0 0.5 1 1.5 2 2.5 3 0 0.5 1 1.5 2 2.5 3
SHIFT in MEAN SHIFT in MEAN

ARL ARL
400 400
AR 1 = 0.75 AR 1 = 0.9
300 300
200 200

100 100

0 0
0 0.5 1 1.5 2 2.5 3 0 0.5 1 1.5 2 2.5 3
SHIFT in MEAN SHIFT in MEAN
Figure 23.8 ARL comparisons: SCC, λ LS,max and λ LS control charts.

upgraded to handle SPC functions. Under such an integrated scheme the usefulness
of the proposed procedure will be optimized.

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2
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