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相关概念视频

Controller Configurations01:22

Controller Configurations

419
Controller configurations are crucial in a car's cruise control system because they manage speed over time to maintain a consistent pace regardless of road conditions, thereby meeting design goals. In traditional control systems, fixed-configuration design involves predetermined controller placement. System performance modifications are known as compensation.
Control-system compensation involves various configurations, most commonly series or cascade compensation, in which the controller...
419
PD Controller: Design01:26

PD Controller: Design

688
In automotive engineering, car suspension systems often employ Proportional Derivative (PD) controllers to enhance performance. PD controllers are utilized to adjust the damping force in response to road conditions. A controller, acting as an amplifier with a constant gain, demonstrates proportional control, with output directly mirroring input.
Designing a continuous-data controller requires selecting and linking components like adders and integrators, which are fundamental in Proportional,...
688
Sight Distance in a Vertical Curve01:29

Sight Distance in a Vertical Curve

445
Sight distance on vertical curves is critical in roadway design. It ensures drivers can see far enough ahead to identify and respond to hazards effectively. This directly impacts safety, driver comfort, and the overall efficiency of the transportation network.Vertical curves are classified into crest and sag curves based on their geometry. For crest curves, sight distance is determined by the line of sight between a driver's eye and a small object on the road's surface. Design parameters for...
445

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相关实验视频

Updated: Mar 10, 2026

Tactile Vibrating Toolkit and Driving Simulation Platform for Driving-Related Research
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优化追随者的汽车追随行为,使用面向后方的eHMI.

Feiqi Gu1, Yufan Chen1, Zhenyu Wang2

  • 1Thrust of Robotics and Autonomous Systems, Systems Hub, The Hong Kong University of Science and Technology (Guangzhou), Guangzhou, China.

Accident; analysis and prevention
|March 9, 2026
PubMed
概括

为驾驶员提供他们正在追随的车辆前面的车辆信息 (间接领先的车辆) 可以提高汽车追随 (CF) 的安全性. 外部人机接口 (eHMI) 可以有效地提供这些信息,而无需车辆之间的通信.

关键词:
超越视觉范围的信息汽车跟踪 - 汽车跟踪驾驶员行为 驾驶员行为外部人机接口 外部人机接口人机界面 人机界面

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科学领域:

  • 道路安全工程 道路安全工程
  • 人与计算机的交互
  • 汽车系统 汽车系统

背景情况:

  • 后端碰撞是道路交通事故的主要原因,通常与汽车追踪 (CF) 行为有关.
  • 目前的安全措施重点是直接领先的车辆,但驾驶员在CF决策中使用更广泛的信息.
  • 外部人机接口 (eHMI) 提供了一种可行的方式,可以在没有车辆到车辆 (V2V) 通信的情况下提供间接领先的车辆信息.

研究的目的:

  • 通过提供间接领先的车辆信息,调查外部人机接口 (eHMI) 对汽车跟踪 (CF) 安全性的影响.
  • 设计和评估四种面向后方的eHMI:制动eHMI,距离eHMI,前行eHMI和视频eHMI.
  • 评估eHMI是否可以提高驾驶员的反应,并减少汽车跟踪场景中的风险.

主要方法:

  • 一项实地实验与30名参与者在汽车追踪 (CF) 事件中进行了驾驶.
  • 四个面向后方的eHMI被设计为传递关于间接领先车辆的信息.
  • 参与者驾驶的安全性和效率使用实施的eHMI进行了评估.

主要成果:

  • 通过eHMI传递的间接领先车辆信息,在连锁制动事件期间,通常改善了汽车跟踪 (CF) 安全性.
  • 驾驶员表现出更快的制动反应和更长的最低碰撞时间.
  • 经过测试的eHMI在汽车追踪事件中没有给司机带来过度负载.

结论:

  • 外部人机接口 (eHMI) 通过提供间接领先的车辆信息,可以有效地提高汽车跟踪 (CF) 的安全性.
  • 这种方法是可行的,不需要车辆对车辆 (V2V) 通信.
  • 这些发现支持开发创新的车辆系统,利用智能感知来提高道路安全.