arXiv:2505.16278cs.CVcs.AI2025-05中稿 · CVPR被引 98

用专家混合模型提升自动驾驶对复杂场景的适应能力。

DriveMoE: Mixture-of-Experts for Vision-Language-Action Model in End-to-End Autonomous Driving

  • 分视觉与动作两类专家,按驾驶情境动态选择输入和行为模块。
  • 在Bench2Drive测试中达到当前最优表现,避免了行为模式平均问题。
  • 适合研究端到端自动驾驶、多模态模型融合的学者与工程师。

端到端自动驾驶需要高效处理多视角感知数据并稳健应对多样复杂的驾驶场景,尤其是罕见操作如激进转弯。近期大语言模型中混合专家(MoE)架构的成功表明参数专业化可实现强扩展性。本文提出DriveMoE,一种基于MoE的端到端自动驾驶框架,包含场景特化的视觉MoE和技能特化的动作MoE。DriveMoE在来自具身智能领域的Vision-Language-Action(VLA)基线Drive-π₀基础上构建,通过训练路由机制动态选择与驾驶上下文相关的摄像头输入,模拟人类驾驶员有选择地关注关键视觉线索,而非全量处理所有信息。同时,引入动作MoE,通过另一路由激活针对不同驾驶行为的专用专家模块。通过显式的行为主动专业化,DriveMoE能在不出现行为模式平均问题的前提下应对多样化场景。在Bench2Drive闭环评估实验中,DriveMoE取得当前最优性能,验证了视觉与动作MoE结合在自动驾驶任务中的有效性。代码与模型将公开。

原文摘要 · Abstract (English)

End-to-end autonomous driving (E2E-AD) demands effective processing of multi-view sensory data and robust handling of diverse and complex driving scenarios, particularly rare maneuvers such as aggressive turns. Recent success of Mixture-of-Experts (MoE) architecture in Large Language Models (LLMs) demonstrates that specialization of parameters enables strong scalability. In this work, we propose DriveMoE, a novel MoE-based E2E-AD framework, with a Scene-Specialized Vision MoE and a Skill-Specialized Action MoE. DriveMoE is built upon our $π_0$ Vision-Language-Action (VLA) baseline (originally from the embodied AI field), called Drive-$π_0$. Specifically, we add Vision MoE to Drive-$π_0$ by training a router to select relevant cameras according to the driving context dynamically. This design mirrors human driving cognition, where drivers selectively attend to crucial visual cues rather than exhaustively processing all visual information. In addition, we add Action MoE by training another router to activate specialized expert modules for different driving behaviors. Through explicit behavioral specialization, DriveMoE is able to handle diverse scenarios without suffering from modes averaging like existing models. In Bench2Drive closed-loop evaluation experiments, DriveMoE achieves state-of-the-art (SOTA) performance, demonstrating the effectiveness of combining vision and action MoE in autonomous driving tasks. We will release our code and models of DriveMoE and Drive-$π_0$.

自动驾驶MoE视觉语言动作专家混合

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