Physics-informed Machine Learning with Heuristic Feedback Control Layer for Autonomous Vehicle Control
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2024-01-01
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Corporate Contributors:Connected Communities for Smart Mobility Toward Accessible and Resilient Transportation for Equitably Reducing Congestion (C2SMARTER) Tier-1 University Transportation Center (UTC) ; United States. Department of Transportation. University Transportation Centers (UTC) Program ; United States. Department of Transportation. Office of the Assistant Secretary for Research and Technology
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Abstract:This paper proposes a novel physics-informed machine learning framework for motion planning and control of autonomous vehicles. By integrating longitudinal and lateral control, a nonlinear control problem is formulated using Model Predictive Control (MPC). To address computational challenges, a self-supervised framework, Recurrent Predictive Control (RPC), is introduced, leveraging differentiable neural networks and recurrent neural networks to train a neural network controller. Additionally, a heuristic feedback control layer is designed to reduce steady-state errors in the closed-loop tracking. Through numerical simulations and co-simulations using Simulink and CarSim, five neural network controllers are compared with an MPC controller in a lane-changing scenario. The proposed RPC framework improves computational efficiency by 95% compared to MPC, enhances generalization performance compared to Approximate MPC, and reduces performance loss by 17% compared to Differentiable Predictive Control. The heuristic feedback control layer further reduces steady-state errors and improves convergence speed during training.
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Content Notes:Public Domain, except where noted in the document. Li, Xianning, Yebin Wang, Kaan Ozbay, and Zhong-Ping Jiang. Physics-informed Machine Learning with Heuristic Feedback Control Layer for Autonomous Vehicle Control.
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Main Document Checksum:urn:sha-512:eb6beb45e790c2b879d0cb95b8f3ad57ed95f24699ef99a0b7d9cd35dec05327cc15e0d8bf35b4b94abde8bcf1ed177aa34992b0b357acd952e3fa707ccf0cb7
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