为自动驾驶车设计了人性化交互评估框架,更全面衡量与人类司机的互动体验。
Towards Human-Centric Evaluation of Interaction-Aware Automated Vehicle Controllers: A Framework and Case Study
- 构建四维评估体系:交互影响、感知、负担和能力,覆盖人机互动全过程
- 仿真测试显示,自动驾驶车在安全性感知和行为可预测性上优于人工驾驶
- 适合自动驾驶研发、测试人员及政策制定者参考,推动更友好的技术落地
随着自动驾驶车辆(AV)越来越多地融入混合交通环境,评估其与人类驾驶车辆(HDV)的交互变得至关重要。现有研究在开发新自动驾驶控制器时,通常仅以碰撞规避或车道保持效率等技术指标进行评估,忽视了人本维度的交互体验。本文提出一种结构化评估框架,融合人机交互领域的核心指标,涵盖四个关键领域:(a) 交互影响、(b) 交互感知、(c) 交互负担、(d) 交互能力,既评估自动驾驶的表现,也衡量其对周围人类驾驶员的影响。为验证该框架,我们在驾驶模拟器中开展案例研究,评估先进自动驾驶控制器在变道场景中与人类驾驶员的互动表现。以人类-人类交互为基准,每域选取一个代表性指标:(a) 主观安全感知,(b) 对对方驾驶行为的主观评价(如激进程度或可预测性),(c) 司机工作负荷,(d) 变道成功率。结果表明,综合四维度指标能揭示自动驾驶与人类交互中的关键体验差异,凸显需采用更全面的评估方法。本框架为研究人员、开发者和政策制定者提供系统工具,推动自动驾驶不仅具备功能性能,更能被理解、接受且从人类视角真正安全。
原文摘要 · Abstract (English)
As automated vehicles (AVs) increasingly integrate into mixed-traffic environments, evaluating their interaction with human-driven vehicles (HDVs) becomes critical. In most research focused on developing new AV control algorithms (controllers), the performance of these algorithms is assessed solely based on performance metrics such as collision avoidance or lane-keeping efficiency, while largely overlooking the human-centred dimensions of interaction with HDVs. This paper proposes a structured evaluation framework that addresses this gap by incorporating metrics grounded in the human-robot interaction literature. The framework spans four key domains: a) interaction effect, b) interaction perception, c) interaction effort, and d) interaction ability. These domains capture both the performance of the AV and its impact on human drivers around it. To demonstrate the utility of the framework, we apply it to a case study evaluating how a state-of-the-art AV controller interacts with human drivers in a merging scenario in a driving simulator. Measuring HDV-HDV interactions as a baseline, this study included one representative metric per domain: a) perceived safety, b) subjective ratings, specifically how participants perceived the other vehicle's driving behaviour (e.g., aggressiveness or predictability) , c) driver workload, and d) merging success. The results showed that incorporating metrics covering all four domains in the evaluation of AV controllers can illuminate critical differences in driver experience when interacting with AVs. This highlights the need for a more comprehensive evaluation approach. Our framework offers researchers, developers, and policymakers a systematic method for assessing AV behaviour beyond technical performance, fostering the development of AVs that are not only functionally capable but also understandable, acceptable, and safe from a human perspective.
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