Research Article
A Fuzzy Nonlinear Programming Approach for Optimizing the Performance of a Four-Objective Fluctuation Smoothing Rule in a Wafer Fabrication Factory
Table 8
Results of the Wilcoxon sign-rank test.
| | (the average cycle time) | (the maximum lateness) | (cycle time standard deviation) | (the number of tardy jobs) |
| FIFO | 2.02** | 2.02** | 1.21 | 0.54 | EDD | 2.02** | 1.21 | 1.75* | 1.21 | SRPT | 2.02** | 2.02** | 1.75* | 0.67 | CR | 2.02** | 1.75* | 1.48 | 1.21 | FSMCT | 2.02** | 1.48 | 1.75* | 1.21 | FSVCT | 2.02** | 2.02** | 2.02** | 0.54 | NFS | 2.02** | 2.02** | 0.54 | 1.21 | 4o-SDR | 2.02** | −0.08 | 0.34 | 0.76 |
|
|
P < 0.05.
**
P < 0.025.
***
P < 0.01.
|