BECS Collaborative Research: Modeling the Dynamics of Traffic User Equilibria Using Differential Variational Inequalities

BECS 协作研究:使用微分变分不等式对交通用户均衡动态进行建模

基本信息

  • 批准号:
    1024984
  • 负责人:
  • 金额:
    $ 11万
  • 依托单位:
  • 依托单位国家:
    美国
  • 项目类别:
    Standard Grant
  • 财政年份:
    2010
  • 资助国家:
    美国
  • 起止时间:
    2010-09-01 至 2014-02-28
  • 项目状态:
    已结题

项目摘要

The goal of this project is to employ a novel mathematical paradigm, known as a differential variational inequality (DVI), to study two fundamental problems in transportation analysis, namely, the continue-time dynamic user equilibrium with flow propagation and delays, and the problem of traffic disequilibrium in the face of network disruption. Our aim is to develop a nonlinear dynamical system theory that combines classical ordinary differential equation (ODE) methods with contemporary mathematical programming advances to study the equilibrium of short-time (e.g. within-day dynamics) and the equilibration process of longer-time (e.g. transient dynamics) traffic flows, answering questions such as: how to compute dynamic user equilibria, how traffic evolves from a disequilibrium state, due to network disruptions, toward an equilibrium, and how close the current traffic state is to an equilibrium. Results from this study will lead to a new paradigm integrating traffic network analysis methods with recent advances in mathematical science, and bridge the gaps between current practice of traffic analysis and the needs to consider short-term and long-term traffic dynamics in a holistic manner. The research will be the first step to develop a mathematical framework for traffic dynamic analysis that, in a long term, has the potential to revolutionize the traditional way of conducting transportation analyses such as network signal optimization, dynamic congestion pricing, emergency management after disruptions, among others. Since equilibrium analysis and system dynamics are widely used in other science and engineering fields, the concepts and methodologies developed in this research can also provide new perspectives for equilibrium based analysis in these fields. The research team plans to integrate research findings to undergraduate and graduate courses, and involve undergraduate and graduate students with multidisciplinary backgrounds in this research. The team also plans to reach out to policy makers and practitioners at various transportation management agencies for whom findings from the proposed research will enable them to better manage transportation systems.
本计画的目标是采用一种新的数学范式,称为微分变分不等式(DVI),研究交通分析中的两个基本问题,即:具有流量传播和延迟的连续时间动态用户平衡,以及面对网络中断时的交通不平衡问题。我们的目标是发展一个非线性动力系统理论,结合经典的常微分方程(ODE)方法和当代数学规划的进展,以研究短时间的平衡(例如,日内动态)和较长时间的平衡过程(例如瞬态动态)交通流,回答以下问题:如何计算动态用户平衡,交通如何从不平衡状态演变,由于网络中断,走向平衡,以及当前交通状态如何接近平衡。从这项研究的结果将导致一个新的范式整合交通网络分析方法与数学科学的最新进展,并弥合目前的交通分析实践和需要考虑短期和长期的交通动态整体的方式之间的差距。 该研究将是开发交通动态分析数学框架的第一步,从长远来看,该框架有可能彻底改变传统的交通分析方式,如网络信号优化,动态拥堵定价,中断后的应急管理等。由于平衡分析和系统动力学在其他科学和工程领域中有着广泛的应用,本研究中提出的概念和方法也可以为这些领域中基于平衡的分析提供新的视角。研究团队计划将研究结果整合到本科和研究生课程中,并让具有多学科背景的本科生和研究生参与这项研究。该团队还计划与各交通管理机构的决策者和从业人员进行接触,拟议研究的结果将使他们能够更好地管理交通系统。

项目成果

期刊论文数量(0)
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会议论文数量(0)
专利数量(0)

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Jong-Shi Pang其他文献

An equivalence between two algorithms for quadratic programming
  • DOI:
    10.1007/bf01589342
  • 发表时间:
    1981-12-01
  • 期刊:
  • 影响因子:
    2.500
  • 作者:
    Jong-Shi Pang
  • 通讯作者:
    Jong-Shi Pang
Correction to: On the pervasiveness of difference-convexity in optimization and statistics
  • DOI:
    10.1007/s10107-019-01378-z
  • 发表时间:
    2019-03-01
  • 期刊:
  • 影响因子:
    2.500
  • 作者:
    Maher Nouiehed;Jong-Shi Pang;Meisam Razaviyayn
  • 通讯作者:
    Meisam Razaviyayn
Treatment learning with Gini constraints by Heaviside composite optimization and a progressive method
Two-stage parallel iterative methods for the symmetric linear complementarity problem
  • DOI:
    10.1007/bf02186474
  • 发表时间:
    1988-12-01
  • 期刊:
  • 影响因子:
    4.500
  • 作者:
    Jong-Shi Pang;Jiann-Min Yang
  • 通讯作者:
    Jiann-Min Yang
Differential variational inequalities
  • DOI:
    10.1007/s10107-006-0052-x
  • 发表时间:
    2007-01-24
  • 期刊:
  • 影响因子:
    2.500
  • 作者:
    Jong-Shi Pang;David E. Stewart
  • 通讯作者:
    David E. Stewart

Jong-Shi Pang的其他文献

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{{ truncateString('Jong-Shi Pang', 18)}}的其他基金

Conference on Nonconvex Statistical Learning, University of Southern California, May 26-27, 2017
非凸统计学习会议,南加州大学,2017 年 5 月 26-27 日
  • 批准号:
    1719635
  • 财政年份:
    2017
  • 资助金额:
    $ 11万
  • 项目类别:
    Standard Grant
BIGDATA: Collaborative Research: F: Foundations of Nonconvex Problems in BigData Science and Engineering: Models, Algorithms, and Analysis
BIGDATA:协作研究:F:大数据科学与工程中非凸问题的基础:模型、算法和分析
  • 批准号:
    1632971
  • 财政年份:
    2016
  • 资助金额:
    $ 11万
  • 项目类别:
    Standard Grant
Collaborative Research: Nash Equilibrium Problems under Uncertainty
合作研究:不确定性下的纳什均衡问题
  • 批准号:
    1538605
  • 财政年份:
    2015
  • 资助金额:
    $ 11万
  • 项目类别:
    Standard Grant
BECS Collaborative Research: Modeling the Dynamics of Traffic User Equilibria Using Differential Variational Inequalities
BECS 协作研究:使用微分变分不等式对交通用户均衡动态进行建模
  • 批准号:
    1412544
  • 财政年份:
    2013
  • 资助金额:
    $ 11万
  • 项目类别:
    Standard Grant
Collaborative Research: Binary Constrained Convex Quadratic Programs with Complementarity Constraints and Extensions
协作研究:具有互补约束和扩展的二元约束凸二次规划
  • 批准号:
    1333902
  • 财政年份:
    2013
  • 资助金额:
    $ 11万
  • 项目类别:
    Standard Grant
Collaborative Research: Binary Constrained Convex Quadratic Programs with Complementarity Constraints and Extensions
协作研究:具有互补约束和扩展的二元约束凸二次规划
  • 批准号:
    1402052
  • 财政年份:
    2013
  • 资助金额:
    $ 11万
  • 项目类别:
    Standard Grant
Analysis and Control of Complementary Systems
互补系统的分析与控制
  • 批准号:
    0754374
  • 财政年份:
    2007
  • 资助金额:
    $ 11万
  • 项目类别:
    Standard Grant
Extended Nash Equilibria and Their Applications
扩展纳什均衡及其应用
  • 批准号:
    0802022
  • 财政年份:
    2007
  • 资助金额:
    $ 11万
  • 项目类别:
    Standard Grant
Extended Nash Equilibria and Their Applications
扩展纳什均衡及其应用
  • 批准号:
    0516023
  • 财政年份:
    2005
  • 资助金额:
    $ 11万
  • 项目类别:
    Standard Grant
Analysis and Control of Complementary Systems
互补系统的分析与控制
  • 批准号:
    0508986
  • 财政年份:
    2005
  • 资助金额:
    $ 11万
  • 项目类别:
    Standard Grant

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