基于ETC大数据的智能高速公路模拟和验证系统的研究和设计
Fumin Zou1,2, Nan Li1,2, Feng Guo1,2
1Renewable Energy Technology Research Institute, Fujian University of Technology, Ningde 352100, China.
Heliyon
|November 29, 2023
概括
本研究引入了电子收费 (ETC) 环境的新模拟系统,改进了实时流量计算和优化. 该系统利用ETC数据的时空特征来加强交通控制和调度.
科学领域:
- 运输工程 运输工程
- 计算机科学 计算机科学
- 数据科学数据科学数据科学
背景情况:
- 电子收费系统 (ETC) 产生了大量的车辆轨迹数据,具有重要的应用潜力.
- 现有的交通模拟系统经常忽视实时道路状况,阻碍了定量分析和优化.
- 缺少用于ETC环境的专用模拟系统,特别是用于实时计算和整体优化.
研究的目的:
- 为当前ETC环境量身定制的模拟系统框架设计.
- 为应对ETC系统内实时流量计算和整体优化的挑战.
- 满足基于ETC的交通模拟相关研究的要求.
主要方法:
- 基于省级高速公路网络的拓结构,开发了一个模拟系统框架.
- 来自ETC交易数据 (Edata) 的时空特征的特征提取算法已建立,以生成模拟数据.
- 为快速公路交通流量控制中的决策指标提出了交通控制战略算法.
- 一个改进的多任务调度算法 (ETC_MTS) 被优化为实时并行.
主要成果:
- 开发的系统有效地使用ETC交易数据的时空特征生成模拟数据.
- 交通控制战略算法为交通流管理提供了有价值的决策指标.
- 与传统的调度算法 (SJFS,Priority,FCFS,RR) 相比,优化的ETC_MTS算法显示出更高的执行性能.
结论:
- 拟议的模拟系统框架适合ETC环境,可实现实时流量计算和优化.
- 特性提取算法对于从ETC记录中生成现实的模拟数据至关重要.
- 优化的ETC_MTS算法为高速公路模拟中的并行多任务提供了显著的性能改进.
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