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相关概念视频

Time-Domain Interpretation of PD Control01:07

Time-Domain Interpretation of PD Control

500
Proportional-Derivative (PD) control is a widely used control method in various engineering systems to enhance stability and performance. In a system with only proportional control, common issues include high maximum overshoot and oscillation, observed in both the error signal and its rate of change. This behavior can be divided into three distinct phases: initial overshoot, subsequent undershoot, and gradual stabilization.
Consider the example of control of motor torque. Initially, a positive...
500
Pharmacokinetic–Pharmacodynamic Relationship: Influence of Elimination Half-Life on Effect Duration01:23

Pharmacokinetic–Pharmacodynamic Relationship: Influence of Elimination Half-Life on Effect Duration

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Drug elimination from the body primarily occurs through metabolic and excretion pathways. Hepatic metabolism transforms lipophilic drugs into hydrophilic forms for excretion, typically via enzymatic processes classified as phase I (modification) and phase II (conjugation). Renal excretion eliminates drugs and metabolites through filtration and secretion in the kidneys. Impairment in liver or kidney function can hinder these processes, delaying drug clearance and extending the drug’s...
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相关实验视频

Updated: Apr 30, 2026

Driving Simulation in the Clinic: Testing Visual Exploratory Behavior in Daily Life Activities in Patients with Visual Field Defects
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回到循环中:自动驾驶的持续时间是否会影响驾驶员的接管性能?

Arthur Portron1, Gaëtan Perrotte1,2, Guillaume Ollier1

  • 1Aix Marseille University, CNRS, ISM, Marseille, France.

Heliyon
|February 6, 2024
PubMed
概括
此摘要是机器生成的。

第三级自动驾驶的持续时间会影响驾驶员的接管性能. 15分钟的自动驾驶时间显示了最安全的结果,突出了非驾驶任务在自动化使用中的关键作用.

关键词:
驾驶员行为 驾驶员行为长时间的持续时间 长时间的持续时间非关键事件的发生.模拟第三级自动化接管请求 接管请求

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相关实验视频

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Driving Simulation in the Clinic: Testing Visual Exploratory Behavior in Daily Life Activities in Patients with Visual Field Defects
11:12

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Driving Under the Influence: How Music Listening Affects Driving Behaviors
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科学领域:

  • 人与计算机的互动.
  • 汽车工程 汽车工程
  • 认知心理学 认知心理学

背景情况:

  • 3级自动驾驶系统允许驾驶员从事非驾驶任务,但在复杂情况下需要及时接管.
  • 自主控制和手动驾驶之间的过渡可能导致"脱离循环"状态,影响驾驶员的性能.
  • 之前的研究表明,高度自动驾驶的长期前景可能存在潜在问题.

研究的目的:

  • 测试假设,更长时间的3级自动驾驶逐渐损害驾驶员接管性能.
  • 调查自主驾驶时间和驾驶员接管效率之间的非线性关系.
  • 为了确定3级自主系统使用的最佳持续时间,以确保驾驶员的安全.

主要方法:

  • 52名参与者经历了3级自动驾驶的不同时间 (5,15,45,60分钟).
  • 在收购请求后通过反应时间和手动驾驶指标 (轨迹) 评估收购性能,预算为8.3秒.
  • 在两个连续的驱动器中评估了性能,以观察适应效应.

主要成果:

  • 线性影响的假设没有得到证实;观察到自动驾驶时间和接管性能之间的非线性关系.
  • 与其他持续时间相比,15分钟的自动驾驶时间显示了整体更安全的接管性能.
  • 在第二次驾驶过程中,驾驶性能显著改善,这表明在重复驾驶后的快速适应.

结论:

  • 3级自动驾驶的持续时间以非线性方式显著影响驾驶员接管性能.
  • 15分钟的自动驾驶间隔似乎是保持驾驶员警和准备的更安全的时间.
  • 非驾驶任务的性质 (动态,内容,参与) 对于安全的3级自动化使用至关重要,支持对完全自动驾驶范式的保留.