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面向风险的 world model 预测控制用于通用的端到端自动驾驶

Risk-Aware World Model Predictive Control for Generalizable End-to-End Autonomous Driving

University of Trento(特伦托大学);Sun Yat-sen University(中山大学)

Jiangxin Sun, Feng Xue, Teng Long, Chang Liu, Jian-Fang Hu, Wei-Shi Zheng, Nicu Sebe

AI总结:

本文提出风险感知世界模型预测控制(RaWMPC)框架,通过鲁棒控制提升端到端自动驾驶在罕见场景下的决策可靠性与安全性。

摘要:

随着模仿学习(IL)和大规模驾驶数据集的发展,端到端自动驾驶(E2E-AD)最近取得了显著进展。目前,基于IL的方法已成为主流范式:模型依赖于专家提供的标准驾驶行为,并学习最小化其行为与专家行为之间的差异。然而,

英文摘要:

With advances in imitation learning (IL) and large-scale driving datasets, end-to-end autonomous driving (E2E-AD) has made great progress recently. Currently, IL-based methods have become a mainstream paradigm: models rely on standard driving behaviors given by experts, and learn to minimize the discrepancy between their actions and expert actions. However, this objective of "only driving like the expert" suffers from limited generalization: when encountering rare or unseen long-tail scenarios outside the distribution of expert demonstrations, models tend to produce unsafe decisions in the absence of prior experience. This raises a fundamental question: Can an E2E-AD system make reliable decisions without any expert action supervision? Motivated by this, we propose a unified framework named Risk-aware World Model Predictive Control (RaWMPC) to address this generalization dilemma through robust control, without reliance on expert demonstrations. Practically, RaWMPC leverages a world model to predict the consequences of multiple candidate actions and selects low-risk actions through explicit risk evaluation. To endow the world model with the ability to predict the outcomes of risky driving behaviors, we design a risk-aware interaction strategy that systematically exposes the world model to hazardous behaviors, making catastrophic outcomes predictable and thus avoidable. Furthermore, to generate low-risk candidate actions at test time, we introduce a self-evaluation distillation method to distill riskavoidance capabilities from the well-trained world model into a generative action proposal network without any expert demonstration. Extensive experiments show that RaWMPC outperforms state-of-the-art methods in both in-distribution and out-of-distribution scenarios, while providing superior decision interpretability.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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