具有延迟交通信息的分散交通网络节点控制设计

I. Wior, Mohsen Mirza Aligoudarzi, A. Fay, D. Görges, Steven Liu
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引用次数: 1

摘要

分散控制方法作为一种有前途的解决方案出现,以应对高复杂性的互联网络,如在流量领域。将对交通流量的控制交给分布式交通节点,可以提高网络的利用率,并对不断变化的交通状况具有更高的适应性。然而,一些基于分散信息处理的控制方法将引入信息延迟,这可能导致系统性能次优和意想不到的影响,如振荡交通流和交通拥堵。本文比较了不带Smith预测器和带Smith预测器的鲁棒PI控制方法对具有延迟交通信息的自动交通控制节点的性能。结果与现实交通仿真工具进行了验证。
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Control design for nodes in decentralized traffic networks with delayed traffic information
Decentralized control approaches arise as promising solutions to cope with the high complexity of interconnected networks such as in the traffic domain. Leaving the control of traffic flow in the hands of distributed traffic nodes opens up the potential for a more efficient network utilization and a higher adaptability to changing traffic conditions. However, some control approaches based on decentralized information handling will introduce information delays which can result in suboptimal system performance and unintended effects such as oscillating traffic flows and traffic congestions. This paper compares the performance of a robust PI control approach without and with Smith predictor for an automated traffic control node with delayed traffic information. Results are validated with a realistic traffic simulation tool.
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