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Cyber-physical logistics system-based vehicle routing optimization

机译:基于网络物流的车辆路线优化

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摘要

Abstract: Vehicle routing problem is a classic combinational optimization problem, which has been attracting research attentions in logistics and optimization area. Conventional static vehicle routing problem assumes the logistics information is accurate and timely, and does not take into account the uncertainties, which is therefore inadequate during practical applications. In this paper, a vehicle initial routing optimization model considering uncertainties is proposed, the vehicle capacity, customer time-window, and the maximum travelling distance as well as the road capacity are considered. In the cyber-physical logistics system background, a routing adjustment model is proposed to minimize the total distribution cost considering the road congestion, and the static and dynamic models are proposed for traffic information transmission network to quantitatively analyse the impact of the traffic information transmission delay on the vehicle routing optimization. The learnable genetic algorithm is adopted to solve the initial routing optimization model and the routing adjustment model. The simulation results have verified its effectiveness.
机译:摘要:车辆路径问题是经典的组合优化问题,在物流和优化领域引起了越来越多的研究关注。传统的静态车辆选路问题假设物流信息是准确且及时的,并且没有考虑不确定性,因此在实际应用中是不够的。提出了一种考虑不确定性的车辆初始路径优化模型,并考虑了车辆通行能力,客户时间窗,最大行驶距离以及道路通行能力。在网络物理物流系统的背景下,提出了一种路线调整模型,以最小化考虑道路拥堵的总配送成本;提出了交通信息传输网络的静态和动态模型,以定量分析交通信息传输延迟的影响。关于车辆路线优化。采用可学习的遗传算法求解初始路径优化模型和路径调整模型。仿真结果证明了其有效性。

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