Table 2 Results of the AEWMA chart for ARL0 = 370, \(\:\psi\:\) = 0.20, and L = 0.2039.
From: A novel EWMA-based adaptive control chart for industrial application by using hastings approximation
λ | Shape parameter (k) | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
0.25 | 0.50 | 1.00 | 1.50 | 2.00 | ||||||
ARL | SDRL | ARL | SDRL | ARL | SDRL | ARL | SDRL | ARL | SDRL | |
1.00 | 369.54 | 344.23 | 370.20 | 345.77 | 369.29 | 346.11 | 370.28 | 344.02 | 370.84 | 345.71 |
0.98 | 173.40 | 149.81 | 246.29 | 222.78 | 298.47 | 275.81 | 313.22 | 290.68 | 325.44 | 301.56 |
0.95 | 81.77 | 63.99 | 134.18 | 112.14 | 197.69 | 174.33 | 229.23 | 204.33 | 245.60 | 221.59 |
0.90 | 45.88 | 33.97 | 73.42 | 56.83 | 114.12 | 93.42 | 139.41 | 117.12 | 156.28 | 133.27 |
0.80 | 27.86 | 20.13 | 39.98 | 29.38 | 58.76 | 44.51 | 72.20 | 55.77 | 81.33 | 63.44 |
0.70 | 22.14 | 15.80 | 28.98 | 20.98 | 39.76 | 29.33 | 47.49 | 35.18 | 53.15 | 39.75 |
0.60 | 19.34 | 13.76 | 23.56 | 16.90 | 30.38 | 22.05 | 35.30 | 25.64 | 38.74 | 28.43 |
0.50 | 17.71 | 12.46 | 20.49 | 14.51 | 24.87 | 17.90 | 28.15 | 20.27 | 30.48 | 22.17 |
0.40 | 16.62 | 11.73 | 18.39 | 13.00 | 21.42 | 15.36 | 23.42 | 16.78 | 24.98 | 17.88 |
0.30 | 15.75 | 11.06 | 17.00 | 11.96 | 18.85 | 13.39 | 20.12 | 14.29 | 21.07 | 15.03 |
0.20 | 15.26 | 10.63 | 15.96 | 11.16 | 17.05 | 11.98 | 17.74 | 12.49 | 18.30 | 12.96 |
0.10 | 14.86 | 10.39 | 15.07 | 10.52 | 15.51 | 10.86 | 15.91 | 11.15 | 16.15 | 11.35 |
0.05 | 14.62 | 10.20 | 14.74 | 10.27 | 15.02 | 10.47 | 15.15 | 10.59 | 15.23 | 10.66 |
0.02 | 14.51 | 10.12 | 14.63 | 10.14 | 14.63 | 10.16 | 14.75 | 10.25 | 14.78 | 10.26 |
0.01 | 14.51 | 10.10 | 14.52 | 10.08 | 14.59 | 10.11 | 14.66 | 10.22 | 14.69 | 10.22 |
