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A robust data exchange framework for connected vehicle technology supported dynamic transit operations.

机译:用于互联车辆技术的强大数据交换框架可支持动态运输操作。

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摘要

Transit systems are an integral part of surface transportation systems. A connected vehicle technology (CVT) supported transit system will assist the users to manage trips both dynamically and efficiently. The primary focus of this research is to develop and evaluate the performance of a secure, scalable, and resilient data exchange framework. In the developed data exchange framework, a new data analytics layer, named Transit Cloud, is used to receive data from different sources, and send it to different users for a Dynamic Transit Operations (DTO) application. The DTO application allows the transit users to request trip information and obtain itineraries, using their personal information devices, (e.g., cell phone), and provides dynamic routing and scheduling information to the transit operators. A case study was conducted to investigate the effectiveness of the developed data exchange framework, by comparing the framework with the USDOT recommended data delivery delay requirements. This data exchange framework was simulated in the CloudLab, a distributed cloud infrastructure, in which, the data exchange delay for DTO was examined for different simulation scenarios, utilizing the synthetic data generated from Connected Vehicle Reference Implementation Architecture (CVRIA) and Research Data Exchange (RDE). Security, scalability, and resiliency of the developed data exchange framework are illustrated in this thesis. The results from the simulation network reveal that the data exchange delay satisfies the USDOT data delivery delay requirements. This suggests that the developed secure, scalable, and resilient data exchange framework, which is presented in this study, meets the application performance requirements. Thus, Transit Cloud is a more preferable alternative than the existing framework because of its added benefits in terms of security, scalability, and resiliency.
机译:运输系统是地面运输系统的组成部分。支持联网车辆技术(CVT)的运输系统将帮助用户动态有效地管理行程。这项研究的主要重点是开发和评估安全,可伸缩和有弹性的数据交换框架的性能。在已开发的数据交换框架中,名为Transit Cloud的新数据分析层用于接收来自不同来源的数据,并将其发送给不同的用户以进行动态运输运营(DTO)应用程序。 DTO应用程序允许中转用户使用他们的个人信息设备(例如手机)来请求旅行信息并获取行程,并向中转运营商提供动态路由和调度信息。通过将框架与USDOT建议的数据传递延迟要求进行比较,进行了案例研究,以研究开发的数据交换框架的有效性。此数据交换框架在CloudLab(分布式云基础架构)中进行了仿真,在该模型中,利用从互联车辆参考实现架构(CVRIA)和研究数据交换( RDE)。本文阐述了所开发数据交换框架的安全性,可扩展性和弹性。仿真网络的结果表明,数据交换延迟满足了USDOT数据传递延迟的要求。这表明本研究中介绍的已开发的安全,可伸缩和有弹性的数据交换框架可以满足应用程序性能要求。因此,由于Transit Cloud在安全性,可伸缩性和弹性方面具有更多优势,因此比现有框架更可取。

著录项

  • 作者

    An, Yucheng.;

  • 作者单位

    Clemson University.;

  • 授予单位 Clemson University.;
  • 学科 Civil engineering.
  • 学位 M.S.
  • 年度 2015
  • 页码 70 p.
  • 总页数 70
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

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