Itinerary planning for cooperative truck platooning

Itinerary planning for cooperative truck platooning
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合作卡车编队的行程规划

DOI:
10.1016/j.trb.2021.08.016
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发表时间:
2021
期刊:
Transportation Research Part B: Methodological
影响因子:
--
通讯作者:
Masoud, Neda
Masoud, Neda
中科院分区:
--
文献类型:
--
作者:
Abdolmaleki, Mojtaba;Shahabi, Mehrdad;Yin, Yafeng;Masoud, Neda

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协作卡车车队是一组虚拟连接的卡车,通过连接和自动化车辆技术实现小的车内车头时距。卡车编队的主要好处之一是由于减少了编队车辆上的气动阻力而节省了能源。本文的重点是调度行程的一组给定的卡车,以促进车队的形成,以最大限度地节省能源。通过构建时间扩展网络,我们将该问题表示为最小凹成本网络流问题,并设计了一些求解方法来找到最优或高质量的解。该解决方案的方法包括一个外近似算法,用于解决混合整数凸最小化重新制定的问题,基于动态规划的启发式可扩展到大规模的情况下,和一个快速近似算法,保证性能的限制性版本的问题。所有提出的算法进行检查和基准测试中到大型网络下的各种测试方案。数值结果表明,所提出的方法的效率和它们在现实世界中的设置的适用性。
A cooperative truck platoon is a set of virtually linked trucks driving with a small intra-vehicle headway enabled by connected and automated vehicle technologies. One of the primary benefits of truck platooning is energy savings due to the reduction of aerodynamic drag on the platooned vehicles. The focus of this paper is on scheduling travel itineraries of a given set of trucks to facilitate the formation of platoons to maximize energy savings. By constructing a time-expanded network, we formulate the problem as a minimum concave-cost network flow problem, and devise a few solution methods to find the optimal or high-quality solutions. The solution methods include an outer approximation algorithm for solving a mixed-integer convex minimization reformulation of the problem, a dynamic-programming-based heuristic scalable to large-scale instances, and a fast approximation algorithm with guaranteed performance for a restrictive version of the problem. All the proposed algorithms are examined and benchmarked on medium to large networks under various test scenarios. The numerical results demonstrate the efficiency of the proposed methods and their applicability in real-world settings.
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