Driver takeover performance in conditionally automated driving: sudden system failure situation versus ODD exit situation
Driver takeover performance in conditionally automated driving: sudden system failure situation versus ODD exit situation
复制标题
有条件自动驾驶中的驾驶员接管性能：突发系统故障情况与 ODD 退出情况
DOI：
10.1080/18824889.2021.1913861
复制
发表时间：
2021
期刊：
影响因子：
--
通讯作者：
Itoh Makoto
中科院分区：
文献类型：
--
作者：
Yao Hua;An Suyang;Zhou Huiping;Itoh Makoto
有条件的自动驾驶预计将在不久的将来向公众开放。然而，当突然发生系统故障或当驾驶自动化系统接近其操作设计领域(ODD)出口时，预计驾驶员将接管系统的控制权。司机接管控制权的时间预算是不同的：(1)在系统突然故障的情况下，需要通过发出干预请求(RTI)立即停用系统；(2)在奇怪的退出情况下，系统可以在发出RTI后保持一段时间的活跃。本文在驾驶员期望效用分析的基础上，提出了两个假设：(1)在系统故障情况下，驾驶员对RTI的反应更快；(2)在临时退出情况下，驾驶员在接管后的驾驶行为更加平稳。我们招募了32名参与者进行了驾驶模拟器实验，比较了驾驶员在系统故障情况下的接管性能和在奇怪的退出条件下的接管性能。结果显示，在系统故障的情况下，司机的反应明显更快。纵向收购绩效在两种限制类型之间没有显著差异。然而，在奇怪的退出情况下，司机通常表现出更平稳的横向接管表现，这支持了我们的假设。
Conditionally automated driving is expected to become available to the public in near future. However, the driver is expected to take over control from the system when a sudden system failure occurs or when the driving automation system is approaching its operational design domain (ODD) exit. The time budget for drivers to take over control is different: (1) in the sudden system failure situation, the system needs to be deactivated immediately with issuing a request to intervene (RTI); (2) in the ODD exit situation, the system could keep active for a while after the issue of RTI. In this paper, two hypotheses were put forward based on driver’s expected utility analysis: (1) the drivers respond faster to the RTI in the system failure situation; (2) the drivers perform smoother driving behaviour after takeover in the ODD exit situation. We recruited 32 participants to conduct a driving simulator experiment, in which the driver takeover performance in system failure situation was compared with that in the ODD exit condition. Results revealed that drivers responded significantly faster in the system failure situation. There was no significant difference of longitudinal takeover performance between the two types of limitations. However, the drivers generally performed smoother lateral takeover performance in the ODD exit situation, which supported our hypothesis.
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