Research Article
Automated Container Terminal Production Operation and Optimization via an AdaBoost-Based Digital Twin Framework
Table 3
Test results of conventional and DT-based operations for small-scale problems.
| | Performance evaluation indicator | Conventional terminal operation mode | DT-based terminal operation mode | Improvement (%) |
| | Number of AQC/AGV/AYC | 4/10/6 | 4/10/6 | — | | Number of tasks | 20 | 20 | — | | AQC operation time (s) | 1161 | 888 | 23.52 | | AGV turnaround time (s) | 786 | 616.8 | 21.53 | | AY operation time (s) | 863.2 | 649.5 | 24.76 | | AGV waiting time (s) | 173 | 68 | 60.6 | | AQC operational efficiency (%) | 16.20 | 28.11 | 11.91 | | AGV turnover rate (car/h) | 3.8 | 5.28 | 1.48 | | Number of failures | 2 | 1 | 50 | | System time-consuming (s) | 68 | 103 | −51.47 | | Total operation time (s) | 2810.2 | 2154.3 | 23.34 |
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