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Robust Optimization of Dynamic Motorway Traffic via Ramp Metering

机译:通过匝道计量对高速公路动态交通进行稳健的优化

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摘要

This paper presents a robust optimization model for motorway management. The optimization aims to minimize motorway delay via ramp metering with consideration of uncertainties in traffic demand and its characteristics. The robust optimization is formulated as a minimax problem and solved by a two-stage solution procedure. The performances of different control policies are illustrated through working examples with traffic data collected from the M25 motorway in the United Kingdom. Experiments reveal that the robust control provides reliable performance over a range of uncertain scenarios. Results also show that the proposed robust controller is particularly effective during transition periods when congestion has not yet fully developed.
机译:本文提出了一种稳健的高速公路管理优化模型。该优化的目的是考虑到交通需求及其特征的不确定性,通过匝道计费将高速公路延误降至最低。鲁棒性优化被公式化为极小极大问题,并通过两步求解程序解决。通过使用从英国M25高速公路收集的交通数据的工作示例来说明不同控制策略的性能。实验表明,鲁棒控制可在各种不确定情况下提供可靠的性能。结果还表明,所提出的鲁棒控制器在拥塞尚未完全发展的过渡时期特别有效。

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