Modeling Electric Vehicle Car-Following Behavior: Classical vs Machine Learning Approach

• URL: http://arxiv.org/abs/2510.24085v1
• Date: Tue, 28 Oct 2025 05:54:50 GMT
• Title: Modeling Electric Vehicle Car-Following Behavior: Classical vs Machine Learning Approach
• Authors: Md. Shihab Uddin, Md Nazmus Shakib, Rahul Bhadani,
• Abstract summary: This study compares classical and machine learning models for EV car following behavior.<n>We calibrated classical model parameters by minimizing the RMSE between predictions and real data.<n>The Random Forest model predicts acceleration using spacing, speed, and gap type as inputs.
• Score: 0.49115431920688835
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: The increasing adoption of electric vehicles (EVs) necessitates an understanding of their driving behavior to enhance traffic safety and develop smart driving systems. This study compares classical and machine learning models for EV car following behavior. Classical models include the Intelligent Driver Model (IDM), Optimum Velocity Model (OVM), Optimal Velocity Relative Velocity (OVRV), and a simplified CACC model, while the machine learning approach employs a Random Forest Regressor. Using a real world dataset of an EV following an internal combustion engine (ICE) vehicle under varied driving conditions, we calibrated classical model parameters by minimizing the RMSE between predictions and real data. The Random Forest model predicts acceleration using spacing, speed, and gap type as inputs. Results demonstrate the Random Forest's superior accuracy, achieving RMSEs of 0.0046 (medium gap), 0.0016 (long gap), and 0.0025 (extra long gap). Among physics based models, CACC performed best, with an RMSE of 2.67 for long gaps. These findings highlight the machine learning model's performance across all scenarios. Such models are valuable for simulating EV behavior and analyzing mixed autonomy traffic dynamics in EV integrated environments.

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