概括
交谈提示可以在部分自动驾驶中改善驾驶员监控,但只有当非驾驶任务具有较低的认知需求时. 高要求的任务降低了这些提示驱动员参与的有效性.
科学领域:
- 人与计算机的互动.
- 汽车安全 汽车安全
- 认知心理学 认知心理学
背景情况:
- 司机脱离部分自动驾驶带来了重大安全风险.
- 对话提示是一个潜在的解决方案,但研究结果是不一致的.
- 非驾驶相关任务 (NDRT) 和认知工作负载对驾驶员参与度的影响尚未得到充分研究.
研究的目的:
- 调查对话提示在提高驾驶员监控和接管性能方面的有效性.
- 检查不同非驾驶相关任务 (NDRT) 工作负载对及时有效性的影响.
- 探索认知水平的驾驶员参与度测量.
主要方法:
- 参与者操作了一个模拟的部分自动化车辆.
- 测试了三个提示条件:与驾驶相关,每日对话和没有提示.
- 使用了两个NDRT场景:自愿参与和激励要求的反图.
主要成果:
- 与驾驶相关的提示和接管通知在自愿的NDRT期间改善了监控和性能.
- 当参与者参与高需求,激励的NDRT时,即时有效性显著下降.
- 认知工作量和NDRT的动机方面影响了驾驶员的参与度.
结论:
- 保持适当的认知工作量对于驾驶员参与自动驾驶至关重要.
- 与驾驶相关的提示可以提高参与度,但对高度激励,认知要求高的NDRT来说效果不佳.
- 未来的驾驶员参与工具必须考虑到工作负载和信息处理限制.
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