通过融合驾驶意图与状态,减少人车冲突,提升协作驾驶自然性。
A Human-Oriented Cooperative Driving Approach: Integrating Driving Intention, State, and Conflict
- 基于意图一致性设计轨迹规划,优先匹配驾驶员意愿
- 用强化学习优化控制权分配,实现状态与权限匹配
- 实验证明可显著降低人机冲突,适合高阶辅助驾驶场景
人车协同驾驶是迈向完全自动驾驶的重要桥梁,能提升驾驶灵活性并逐步建立驾驶员对自动驾驶技术的信任。为实现更自然有效的交互,本文提出一种面向人类的协同驾驶(HOCD)方法,核心在于通过优先考虑驾驶员意图与状态来最小化人机冲突。在战术层面,设计了基于意图感知的轨迹规划方法,以意图一致性代价为核心指标评估并对齐轨迹;在操作层面,基于强化学习开发控制权分配策略,通过定制奖励函数优化策略,确保驾驶员状态与控制权分配的一致性。仿真与人在回路实验结果表明,所提方法不仅在轨迹规划中有效匹配驾驶员意图,且实现了合理的控制权分配。相比其他协同驾驶方法,本方案显著提升了驾驶表现并缓解了人机冲突。代码已开源:https://github.com/i-Qin/HOCD。
原文摘要 · Abstract (English)
Human-vehicle cooperative driving serves as a vital bridge to fully autonomous driving by improving driving flexibility and gradually building driver trust and acceptance of autonomous technology. To establish more natural and effective human-vehicle interaction, we propose a Human-Oriented Cooperative Driving (HOCD) approach that primarily minimizes human-machine conflict by prioritizing driver intention and state. In implementation, we take both tactical and operational levels into account to ensure seamless human-vehicle cooperation. At the tactical level, we design an intention-aware trajectory planning method, using intention consistency cost as the core metric to evaluate the trajectory and align it with driver intention. At the operational level, we develop a control authority allocation strategy based on reinforcement learning, optimizing the policy through a designed reward function to achieve consistency between driver state and authority allocation. The results of simulation and human-in-the-loop experiments demonstrate that our proposed approach not only aligns with driver intention in trajectory planning but also ensures a reasonable authority allocation. Compared to other cooperative driving approaches, the proposed HOCD approach significantly enhances driving performance and mitigates human-machine conflict.The code is available at https://github.com/i-Qin/HOCD.
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