Online Transportation Markets: Performance Models and Real-Time Fleet Operational Strategies

在线运输市场:绩效模型和实时车队运营策略

基本信息

  • 批准号:
    0085691
  • 负责人:
  • 金额:
    $ 14万
  • 依托单位:
  • 依托单位国家:
    美国
  • 项目类别:
    Standard Grant
  • 财政年份:
    2000
  • 资助国家:
    美国
  • 起止时间:
    2000-09-15 至 2002-08-31
  • 项目状态:
    已结题

项目摘要

Transportation systems involve complex interactions among multiple resources, such as humans, vehicles, shipments, information and infrastructure. Transportation systems must increasingly operate in a highly dynamic environment, characterized by considerable stochasticity and unpredictability, to serve customers demanding ever more exacting service levels. For example, the kind of customer-responsive, made-to-order manufacturing that has been a major factor in the spectacular global success of companies such as Dell Computers, has shifted the logistics and transportation process from one that relies on long planned lead times to an extremely dynamic, short-term driven process. It is well recognized that information and communication technologies (ICT) are changing many aspects of the way in which business is conducted, though the full implications for transportation systems structure and operations continue to unfold. Explosive growth in electronic commerce and virtual integrated supply chains through the Internet create huge information flows that allow and require dynamic adjustments in the markets underlying the physical movement of goods.A significant change may be taking place in the structure of the transportation market, with the development of auction markets for transportation services, in the form of Internet sites that match shipments (shippers' demand) and transportation capacity (carriers' offer). The development of these virtual hubs where shippers and carriers meet may have deep implications for the structure and efficiency of the transportation system. The complex relations that may emerge from the interaction of shippers, carriers, and intermediaries in auction sites may rapidly transform the virtual logistic net in the short term, and the way infrastructure and equipment is used and operated in the long term. These developments also have implications for the kinds of methodologies to both analyze the performance of such systems, as well as to incorporate these mechanisms in the operational decisions of both carriers and shippers (and/or their agents). In addition to analyzing the performance of auction markets for transportation services, which would allow us to address several questions articulated in the proposal, this research will conduct exploratory development of methodological approaches to support fleet operators' decision-making processes in this environment, and examine the implications for shippers' experienced service levels. These challenges will be addressed in the particular context of the dynamic operation of vehicle fleets to provide highly responsive service to a general pattern of stochastic time-sensitive customer loads. Matching of demands to supply is assumed to take place at least partially through an auction market mechanism. These problem classes are distinct from conventional static deterministic problems as well as their time-dependent and probabilistic extensions. This class of problems includes truckload and less-than-truckload trucking, intermodal and integrated shipping, as well as traveling repairman and dynamic inventory-routing problems. This award is made under the Exploratory Research on Engineering the Transport Industries (ETI) program solicitation.
运输系统涉及多种资源之间复杂的相互作用,例如人、车辆、货物、信息和基础设施。运输系统必须越来越多地在一个高度动态的环境中运行,其特点是相当大的随机性和不可预测性,以满足要求越来越严格的服务水平的客户。例如,戴尔电脑(Dell Computers)等公司在全球取得巨大成功的主要因素是那种对客户负责、按订单生产的模式,这种模式已经将物流和运输过程从依赖于长期计划的交货时间转变为一个极具活力、短期驱动的过程。众所周知,信息和通信技术正在改变商业运作方式的许多方面,尽管对运输系统结构和业务的全面影响仍在继续显现。电子商务的爆炸式增长和通过互联网的虚拟集成供应链创造了巨大的信息流,这些信息流允许并要求在商品实体运动的基础上对市场进行动态调整。随着运输服务拍卖市场的发展,运输市场的结构可能会发生重大变化,其形式是互联网网站匹配装运(托运人的需求)和运输能力(承运人的报价)。托运人和承运人会面的这些虚拟枢纽的发展可能对运输系统的结构和效率产生深远的影响。在拍卖网站中,托运人、承运人和中间商之间的互动可能会产生复杂的关系,这些关系可能会在短期内迅速改变虚拟物流网络,并在长期内改变基础设施和设备的使用和运营方式。这些发展也对分析这些系统的性能以及将这些机制纳入承运人和托运人(和/或其代理人)的操作决策的各种方法产生了影响。除了分析运输服务拍卖市场的表现(这将使我们能够解决提案中阐述的几个问题)之外,本研究还将探索性地开发方法方法,以支持车队运营商在这种环境下的决策过程,并检查对托运人经验丰富的服务水平的影响。这些挑战将在车队动态运行的特定背景下解决,以提供对随机时间敏感的客户负载的一般模式的高响应服务。需求与供给的匹配至少部分是通过拍卖市场机制实现的。这些问题类不同于传统的静态确定性问题以及它们的时间依赖和概率扩展。这类问题包括卡车运输和小卡车运输,多式联运和综合运输,以及旅行修理工和动态库存路线问题。该合同是在运输工业工程探索性研究(ETI)项目招标下获得的。

项目成果

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Hani Mahmassani其他文献

Does intercity rail station placement matter? Expansion of the node-place model to identify station location impacts on Amtrak ridership
  • DOI:
    10.1016/j.jtrangeo.2022.103278
  • 发表时间:
    2022-02-01
  • 期刊:
  • 影响因子:
  • 作者:
    Christopher Cummings;Hani Mahmassani
  • 通讯作者:
    Hani Mahmassani
Airspace Congestion, flow Relations, and 4-D fundamental Diagrams for advanced urban air mobility
先进城市空中交通的空域拥堵、流量关系和四维基本图
A random intercept latent transition analysis (RI-LTA) of consumer spending across online and in-person channels through the pandemic
通过大流行期间消费者在网上和实体店渠道的消费的随机截距潜在过渡分析(RI-LTA)
  • DOI:
    10.1016/j.trc.2025.105010
  • 发表时间:
    2025-02-01
  • 期刊:
  • 影响因子:
    7.900
  • 作者:
    Divyakant Tahlyan;Hani Mahmassani;Amanda Stathopoulos;Maher Said;Joan Walker;Susan Shaheen
  • 通讯作者:
    Susan Shaheen
Concept development and needs identification for Intelligent Network Flow Optimization (INFLO) : assessment of relevant prior and ongoing research.
智能网络流量优化 (INFLO) 的概念开发和需求识别:评估相关的先前和正在进行的研究。
  • DOI:
  • 发表时间:
    2012
  • 期刊:
  • 影响因子:
    0
  • 作者:
    Hani Mahmassani;Hesham A Rakha;Elliot Hubbard;D. Lukasik
  • 通讯作者:
    D. Lukasik

Hani Mahmassani的其他文献

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{{ truncateString('Hani Mahmassani', 18)}}的其他基金

Travel Support for Dynamic Traffic Assignment Conference (DTA 2023); Evanston, Illinois; 10-12 July 2023
动态交通分配会议 (DTA 2023) 的差旅支持;
  • 批准号:
    2330274
  • 财政年份:
    2023
  • 资助金额:
    $ 14万
  • 项目类别:
    Standard Grant
RAPID: Tracking and Deconstructing COVID-19 Vaccine Distribution as an Extreme Logistics Event
RAPID:跟踪和解构作为极端物流事件的 COVID-19 疫苗分发
  • 批准号:
    2114778
  • 财政年份:
    2021
  • 资助金额:
    $ 14万
  • 项目类别:
    Standard Grant
COLLABORATIVE RESEARCH: MODELING HUMAN DRIVING BEHAVIOR AND RESPONSE WITH APPLICATIONS TO INTELLIGENT AGENT-BASED TRAFFIC FLOW SIMULATION
协作研究:对人类驾驶行为和响应进行建模,并应用于基于智能代理的交通流模拟
  • 批准号:
    0802433
  • 财政年份:
    2007
  • 资助金额:
    $ 14万
  • 项目类别:
    Standard Grant
COLLABORATIVE RESEARCH: MODELING HUMAN DRIVING BEHAVIOR AND RESPONSE WITH APPLICATIONS TO INTELLIGENT AGENT-BASED TRAFFIC FLOW SIMULATION
协作研究:对人类驾驶行为和响应进行建模,并应用于基于智能代理的交通流模拟
  • 批准号:
    0527573
  • 财政年份:
    2006
  • 资助金额:
    $ 14万
  • 项目类别:
    Standard Grant
NSF/USDOT: Collaborative Research: Impact of Real-time Carrier-shipper Interaction on Transportation System Performance
NSF/USDOT:合作研究:承运人与托运人的实时交互对运输系统性能的影响
  • 批准号:
    0231517
  • 财政年份:
    2003
  • 资助金额:
    $ 14万
  • 项目类别:
    Standard Grant
User Choice Dynamics in Congested Traffic Systems
拥堵交通系统中的用户选择动态
  • 批准号:
    8610459
  • 财政年份:
    1986
  • 资助金额:
    $ 14万
  • 项目类别:
    Standard Grant
Dynamics of Usage Decisions in Transportation Systems
交通系统使用决策的动态
  • 批准号:
    8400306
  • 财政年份:
    1984
  • 资助金额:
    $ 14万
  • 项目类别:
    Standard Grant

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