Importance weights for selecting container number recognition system
| Ai | Bi | RFID | OCR | ||||
|---|---|---|---|---|---|---|---|
| Aspect | Weight | Criteria | Weight | Weight (Ci) | Ai × Bi × Ci | Weight (Ci) | Ai × Bi × Ci |
| Acceptance | 0.202 | Acceptance of superintendent | 0.206 | 0.354 | 0.015 | 0.646 | 0.027 |
| Acceptance of liner carriers | 0.186 | 0.523 | 0.020 | 0.477 | 0.018 | ||
| Acceptance of shippers | 0.221 | 0.497 | 0.022 | 0.503 | 0.022 | ||
| Acceptance of truckers | 0.194 | 0.518 | 0.020 | 0.482 | 0.019 | ||
| Acceptance of employee | 0.194 | 0.335 | 0.013 | 0.665 | 0.026 | ||
| Cost | 0.256 | Training cost | 0.398 | 0.676 | 0.069 | 0.324 | 0.033 |
| Setup cost | 0.272 | 0.415 | 0.029 | 0.585 | 0.041 | ||
| Labour savings | 0.330 | 0.556 | 0.047 | 0.444 | 0.037 | ||
| Efficiency | 0.266 | Reading speed | 0.190 | 0.541 | 0.027 | 0.459 | 0.023 |
| Reading distance | 0.270 | 0.69 | 0.050 | 0.31 | 0.022 | ||
| Checking container location | 0.240 | 0.877 | 0.056 | 0.123 | 0.008 | ||
| System processing time | 0.300 | 0.65 | 0.052 | 0.35 | 0.028 | ||
| Accuracy | 0.275 | Recognition precision | 0.450 | 0.69 | 0.085 | 0.31 | 0.038 |
| Error ratio | 0.350 | 0.698 | 0.068 | 0.302 | 0.029 | ||
| Environmental disturbance | 0.196 | 0.708 | 0.038 | 0.292 | 0.016 | ||
| Subtotal | 0.611 | 0.388 | |||||
| A | B | RFID | OCR | ||||
|---|---|---|---|---|---|---|---|
| Aspect | Weight | Criteria | Weight | Weight (C | A | Weight (C | A |
| Acceptance | 0.202 | Acceptance of superintendent | 0.206 | 0.354 | 0.015 | 0.646 | 0.027 |
| Acceptance of liner carriers | 0.186 | 0.523 | 0.020 | 0.477 | 0.018 | ||
| Acceptance of shippers | 0.221 | 0.497 | 0.022 | 0.503 | 0.022 | ||
| Acceptance of truckers | 0.194 | 0.518 | 0.020 | 0.482 | 0.019 | ||
| Acceptance of employee | 0.194 | 0.335 | 0.013 | 0.665 | 0.026 | ||
| Cost | 0.256 | Training cost | 0.398 | 0.676 | 0.069 | 0.324 | 0.033 |
| Setup cost | 0.272 | 0.415 | 0.029 | 0.585 | 0.041 | ||
| Labour savings | 0.330 | 0.556 | 0.047 | 0.444 | 0.037 | ||
| Efficiency | 0.266 | Reading speed | 0.190 | 0.541 | 0.027 | 0.459 | 0.023 |
| Reading distance | 0.270 | 0.69 | 0.050 | 0.31 | 0.022 | ||
| Checking container location | 0.240 | 0.877 | 0.056 | 0.123 | 0.008 | ||
| System processing time | 0.300 | 0.65 | 0.052 | 0.35 | 0.028 | ||
| Accuracy | 0.275 | Recognition precision | 0.450 | 0.69 | 0.085 | 0.31 | 0.038 |
| Error ratio | 0.350 | 0.698 | 0.068 | 0.302 | 0.029 | ||
| Environmental disturbance | 0.196 | 0.708 | 0.038 | 0.292 | 0.016 | ||
| Subtotal | 0.611 | 0.388 | |||||