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Efficient Detection Scheme for Urban Traffic Congestion Using Buses

机译:公交车城市交通拥堵的有效检测方案

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摘要

Urban traffic congestion has become a global phenomenon in recent years, resulting in a great waste of time and fuel. Thus, it is a great challenge for both scientists and engineers to detect the road condition timely and accurately. The technology of vehicular ad-hoc networks (VANETs) applied in intelligent transportation system (ITS) is a new promising approach to alleviate this problem. In this paper, we propose a novel detection scheme for urban traffic congestion only by buses. In our scheme, the travel time of bus is used to identify the congestion status. To eliminate the influence of individuals, two methods, T-window Average and N-window Average are designed for calculating the average travel time of buses. Additionally, a congestion line is built to evaluate the traffic condition of detected road segment. All the proposed approaches are validated in a realistic scenario. The simulation results show that our scheme can detect urban traffic congestion effectively.
机译:近年来,城市交通拥堵已成为一种全球现象,造成时间和燃料的极大浪费。因此,对于科学家和工程师来说,及时,准确地检测道路状况是一个巨大的挑战。在智能交通系统(ITS)中应用的车辆自组织网络(VANETs)技术是缓解这一问题的一种有希望的新方法。在本文中,我们提出了一种仅靠公共汽车的城市交通拥堵检测方案。在我们的方案中,公交车的行驶时间用于识别拥堵状态。为了消除个人的影响,设计了T窗口平均值和N窗口平均值两种方法来计算公交车的平均行驶时间。此外,建立了一条拥堵线以评估检测到的路段的交通状况。所有提出的方法都在实际场景中得到了验证。仿真结果表明,该方案可以有效地检测出城市交通拥堵。

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