情况意识和工作负载的分歧
Mica R Endsley1, Jordan Dixon2, Tristan Endsley2
1SA Technologies, Gold Canyon, Arizona, USA.
Ergonomics
|November 13, 2024
概括
这项研究发现,较高的工作量会降低无人驾驶车辆操作员的情境意识 (SA). 然而,个人差异对这种关系产生了重大影响,许多运营商在工作负载和SA之间没有明确的联系.
科学领域:
- 人类因素 人类因素
- 认知心理学 认知心理学
- 人与机器的互动 人与机器的互动
背景情况:
- 在像无人驾驶车辆操作这样的复杂系统中,情况意识 (SA) 和工作负载至关重要.
- 之前的研究在很大程度上独立地检查了SA和工作负载,对它们之间的关系进行了有限的调查.
研究的目的:
- 在无人驾驶车辆检查任务的背景下,研究工作负载和情境意识 (SA) 之间的关系.
- 确定个人差异如何影响工作负载和SA之间的关联.
主要方法:
- 参与者在检查任务期间操作无人驾驶汽车.
- 使用主观和次要任务指标来评估工作负载.
- 在任务中测量了情境意识 (SA).
主要成果:
- 观察到一个反向相关性:随着工作量增加,SA减少了大约20%.
- 发现了显著的个体变异性;50%只与一项工作负载测量结果相关,30%没有相关性.
- 在SA和工作负载指标之间的分离凸显了它们之间的关系的复杂性.
结论:
- 工作负载和SA之间的关系不均,并受到个人差异的影响.
- 了解这些分离对于设计有效的人类无人驾驶车辆系统和培训协议至关重要.
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