在基于审计的双重任务驾驶场景中,通过多模式测量评估驾驶员的心理工作量
Jiaqi Huang1, Qiliang Zhang1,2, Tingru Zhang1
1Institute of Human Factors and Ergonomics, College of Mechatronics and Control Engineering, Shenzhen University, Shenzhen 518060, China.
Sensors (Basel, Switzerland)
|February 10, 2024
概括
这项研究表明,在驾驶模拟中任务难度增加会增加驾驶员的心理工作负担,影响性能和生理信号. 这些发现有助于开发识别驾驶员心理状态的系统,以提高道路安全.
科学领域:
- 人类因素 人类因素
- 认知心理学 认知心理学
- 运输安全运输安全
背景情况:
- 评估驾驶员的心理工作量对于预防道路交通事故至关重要.
- 双任务场景,将驾驶与次要任务相结合,有效模拟现实世界的复杂性.
- 了解心理工作量是开发先进驾驶辅助系统的关键.
研究的目的:
- 在模拟的基于听觉的双重任务驾驶环境中检查驾驶员的心理工作量.
- 调查不同次要任务难度对心理工作负载的影响.
- 确定对驾驶员心理工作量变化敏感的多式联运措施.
主要方法:
- 使用模拟的驾驶环境,进行不同难度的听觉N-back任务 (没有任务,1-back,2-back).
- 多模式数据收集包括主观评分,生理测量 (EEG,ECG,EDA),眼睛运动和驾驶性能指标.
- 通过操纵次要任务难度,诱导了三个级别的心理工作负载 (低,中,高).
主要成果:
- 增加的任务难度导致了更高的主观心理工作量评级和减少二次任务的性能.
- 生理测量 (EEG三角波,眼动固定距离,心电图,EDA) 在工作负载水平之间显示出显著的差异.
- 驾驶性能指标 (车辆速度,踏板输入偏差,车辆位置偏差) 对心理工作负载变化敏感.
结论:
- 多模式评估有效地捕捉在双重任务条件下驾驶员心理工作负载的变化.
- 客观的生理和行为测量,以及主观的评分,提供了对心理工作负载的全面了解.
- 这些发现支持开发智能系统,以实时识别驾驶员精神状态并提高道路安全.
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