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18 February 2025
 
  » arxiv » 2301.01470

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Data-Driven Model Identification via Hyperparameter Optimization for the Autonomous Racing System
Hyunki Seong ; Chanyoung Chung ; David Hyunchul Shim ;
Date 4 Jan 2023
AbstractIn this letter, we propose a model identification method via hyperparameter optimization (MIHO). Our method is able to identify the parameters of the parametric models in a data-driven manner. We utilize MIHO for the dynamics parameters of the AV-21, the full-scaled autonomous race vehicle, and integrate them into our model-based planning and control systems. In experiments, the models with the optimized parameters demonstrate the generalization ability of the vehicle dynamics model. We further conduct extensive field tests to validate our model-based system. The tests show that our race systems leverage the learned model dynamics well and successfully perform obstacle avoidance and high-speed driving over $200 km/h$ at the Indianapolis Motor Speedway and Las Vegas Motor Speedway. The source code for MIHO and videos of the tests are available at this https URL.
Source arXiv, 2301.01470
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