An Epsilon constraint-based column generation for airport gate emergency reassignment
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摘要:
停机位分配方案直接影响航班运行效率和机场服务水平。在实际运行中,场面事故等突发事件常导致局部停机位临时关闭,计划分配方案失效,亟需开展资源受限条件下的停机位应急调整。为此,提出Epsilon约束列生成优化算法,旨在生成兼顾稳定性和效率的调整方案。构建基于集分割的双目标优化模型,最小化计划扰动的同时,最大化调整偏好,保证航班调整的公平性;提出基于Epsilon约束的列生成启发式,快速获取高质量分配方案;基于某国际机场的运行数据设计了数值实验。结果表明:所提方法在受扰航班靠桥率和受扰航班跨区调整比例等指标上均有较好的表现,受扰航班跨区调整比例为52.34%,显著低于其他方法,有效提高了应急场景下机场停机位的调度效率。
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关键词:
- 机场停机位 /
- 资源分配 /
- 应急调整 /
- Epsilon约束法 /
- 列生成
Abstract:The effectiveness of flight operations and the quality of airport services are directly impacted by airport gate assignment options. In real-world operations, unexpected events such as airfield accidents may lead to the temporary closure of local gates and an infeasible assignment plan. It is urgent to implement gate emergency reassignment under resource constraints. This paper proposes an Epsilon constraint-based column generation optimization algorithm for this problem. In particular, we develop a bi-objective optimization model based on set partitioning with the goal of minimizing assignment plan deviation and increasing solution efficiency. Then, an Epsilon constraint-based column generation optimization algorithm is designed to efficiently obtain high-quality solutions. Numerical experiments are conducted based on real-world operational data from an international airport. The results demonstrate that the proposed method performs well on main metrics such as the bridge boarding rate and flights adjustment efficiency. In particular, the cross-region adjustment proportion of our solution is 52.34%, which is significantly lower than the comparison methods, and effectively improves the airport operational efficiency in emergency scenarios.
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Key words:
- airport gates /
- resource allocation /
- emergency reassignment /
- Epsilon constraint /
- column generation
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表 1 不同案例规模下的方案性能对比
Table 1. Comparison of solution performance in different case sizes
案例
(关闭停机位数量,
受扰航班数量)正常航班机位变更比例/% 受扰航班靠桥率/% 受扰航班跨区调整比例/% eSEM计算时间/s SM SUM eSEM SM SUM eSEM SM SUM eSEM C1(1,3) 0 0.99 0.50 0 100.00 100.00 100.00 66.67 66.67 19.3 C2(3,9) 0 2.55 0.51 0 100.00 100.00 100.00 66.67 77.78 21.6 C3(5,16) 0 4.23 2.12 0 100.00 100.00 100.00 81.25 50.00 23.6 C4(7,23) 0 5.49 2.75 13.04 100.00 100.00 100.00 95.65 60.87 27.7 C5(9,30) 0 6.29 4.00 16.67 96.67 100.00 100.00 86.67 50.00 23.4 C6(11,39) 0 7.23 4.82 17.95 89.74 97.44 92.31 82.05 46.15 32.2 C7(13,43) 0 10.49 7.41 18.60 93.02 95.35 95.35 83.72 44.19 26.3 C8(15,49) 0 9.62 8.33 10.20 81.63 93.88 100.00 87.76 53.06 26.8 C9(17,56) 0 9.40 10.07 21.43 73.21 87.50 98.21 85.71 41.07 36.3 C10(19,65) 0 14.29 12.14 18.46 75.38 86.15 92.31 81.54 36.92 35.8 C11(25,82) 0 13.01 13.01 10.98 57.32 70.73 97.56 82.93 46.34 38.5 C12(30,100) 0 14.29 10.48 11.00 49.00 57.00 97.00 87.00 55.00 37.1 注:加粗数字表示最优值。 -
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