Research Article
A Fuzzy Nonlinear Programming Approach for Optimizing the Performance of a Four-Objective Fluctuation Smoothing Rule in a Wafer Fabrication Factory
Table 6
The performance levels of various approaches for cycle time standard deviation.
| Cycle time standard deviation (hrs) | A (normal) | A (hot) | A (super hot) | B (normal) | B (hot) |
| FIFO | 55 | 24 | 25 | 87 | 51 | EDD | 129 | 25 | 22 | 50 | 63 | SRPT | 248 | 31 | 22 | 106 | 53 | CR | 69 | 29 | 18 | 58 | 53 | FSMCT | 419 | 33 | 16 | 129 | 104 | FSVCT | 280 | 37 | 27 | 201 | 77 | NFS | 64 | 40 | 19 | 37 | 26 | 4o-SDR | 71 | 41 | 22 | 30 | 29 | The proposed methodology | 68 | 20 | 23 | 27 | 34 |
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