Emergent Autonomous Drifting for Collision Avoidance in Real-World Winter Driving Scenarios

• URL: http://arxiv.org/abs/2607.19484v1
• Date: Tue, 21 Jul 2026 18:05:19 GMT
• Title: Emergent Autonomous Drifting for Collision Avoidance in Real-World Winter Driving Scenarios
• Abstract summary: We present a drift-capable nonlinear model predictive control (MPC) system designed to handle scenarios grounded in crash fatality data.<n>The controller naturally initiates and sustains drifting maneuvers to stay on the road when hitting a patch of ice on the rear axle.<n>A Monte Carlo study over random ice patches shows that the drift-capable controller achieves lower median lane error than ESC across several speeds.
• Score: 0.3899855581265356
• License: http://creativecommons.org/licenses/by-nc-nd/4.0/
• Abstract: Real-world collision avoidance is a core motivation for studying the dynamics and control of high sideslip drifting in vehicles, yet the practical benefit of such maneuvers has so far primarily been tested in scenarios explicitly engineered to require drifting. In this work, we explore the question of if and when drifting may be optimal for safety in real-world winter driving conditions. We present a drift-capable nonlinear model predictive control (MPC) system designed to handle scenarios grounded in crash fatality data and deploy the controller in a high fidelity simulator across road departure and oncoming vehicle collision avoidance scenarios. The controller naturally initiates and sustains drifting maneuvers to stay on the road when hitting a patch of ice on the rear axle and to avoid an oncoming vehicle that has slid into its lane. Comparisons with a benchmark electronic stability control (ESC) system demonstrate how a drift-capable controller can trade off stability for controllability to precisely maneuver through dangerous winter driving scenarios. A Monte Carlo study over random ice patches further shows that the drift-capable controller achieves lower median lane error than ESC across several speeds, while revealing that drifting emerges predominantly at higher speeds.

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