High-Speed, All-Terrain Autonomy: Ensuring Safety at the Limits of Mobility
- URL: http://arxiv.org/abs/2603.20525v1
- Date: Fri, 20 Mar 2026 21:51:10 GMT
- Title: High-Speed, All-Terrain Autonomy: Ensuring Safety at the Limits of Mobility
- Abstract summary: A novel model predictive control (MPC) formulation is developed for local trajectory planning.<n>MPC is analytically shown to mitigate rollover types ignored by many state-of-the-art methods.<n>The planner's ability to provide safe, extreme trajectories is studied through both simulated trials and full-scale physical experiments.
- Score: 5.779535973286779
- License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
- Abstract: A novel local trajectory planner, capable of controlling an autonomous off-road vehicle on rugged terrain at high-speed is presented. Autonomous vehicles are currently unable to safely operate off-road at high-speed, as current approaches either fail to predict and mitigate rollovers induced by rough terrain or are not real-time feasible. To address this challenge, a novel model predictive control (MPC) formulation is developed for local trajectory planning. A new dynamics model for off-road vehicles on rough, non-planar terrain is derived and used for prediction. Extreme mobility, including tire liftoff without rollover, is safely enabled through a new energy-based constraint. The formulation is analytically shown to mitigate rollover types ignored by many state-of-the-art methods, and real-time feasibility is achieved through parallelized GPGPU computation. The planner's ability to provide safe, extreme trajectories is studied through both simulated trials and full-scale physical experiments. The results demonstrate fewer rollovers and more successes compared to a state-of-the-art baseline across several challenging scenarios that push the vehicle to its mobility limits.
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