A slack arrival strategy to promote flex-route transit services

A slack arrival strategy to promote flex-route transit services
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宽松到达策略促进灵活路线过境服务

DOI:
10.1016/j.trc.2018.05.015
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发表时间:
2018-07
期刊:
Transportation Research Part C: Emerging Technologies
影响因子:
--
通讯作者:
Qiu Feng
Qiu Feng
中科院分区:
其他
文献类型:
--
作者:
Zheng Yue;Li Wenquan;Qiu Feng

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灵活路线过境结合了固定路线过境和需求响应型过境的优点,是低需求地区最有前途的选择之一。本文提出了一种松弛到达策略,以减少拒绝乘客的数量和空闲时间在检查站所造成的不确定的旅行需求。这一战略放宽了对不起中转站作用的检查站的出发时间限制。定义了一个包含车辆运营成本和用户成本的系统成本函数来衡量系统性能。理论和仿真模型的构建,以测试实施松弛到达策略在弹性路线运输在预期和意外的需求水平下的好处。在一个实际的弹性路线公交服务的实验表明,所提出的松弛到达策略可以提高系统的性能高达40%,没有额外的运营成本。结果表明,所提出的策略可以帮助公交运营商提供更具成本效益的弹性路线公交服务在郊区和农村地区。
Flex-route transit, which combines the advantages of fixed-route transit and demand-responsive transit, is one of the most promising options in low-demand areas. This paper proposes a slack arrival strategy to reduce the number of rejected passengers and idle time at checkpoints resulting from uncertain travel demand. This strategy relaxes the departure time constraints of the checkpoints that do not function as transfer stations. A system cost function that includes the vehicle operation cost and customer cost is defined to measure system performance. Theoretical and simulation models are constructed to test the benefits of implementing the slack arrival strategy in flex-route transit under expected and unexpected demand levels. Experiments over a real-life flex-route transit service show that the proposed slack arrival strategy could improve the system performance by up to 40% with no additional operating cost. The results demonstrate that the proposed strategy can help transit operators provide more cost-efficient flex-route transit services in suburban and rural areas.
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