Data-Driven Autoregressive Power Prediction for GTernal Robots in the Robotarium

• URL: http://arxiv.org/abs/2603.13908v1
• Date: Sat, 14 Mar 2026 11:43:42 GMT
• Title: Data-Driven Autoregressive Power Prediction for GTernal Robots in the Robotarium
• Abstract summary: Energy-aware algorithms for multi-robot systems require accurate power consumption models.<n>We present a lightweight autoregressive predictor for the GTernal mobile robot platform deployed in the Georgia Tech Robotarium.
• Score: 0.0
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: Energy-aware algorithms for multi-robot systems require accurate power consumption models, yet existing approaches rely on kinematic approximations that fail to capture the complex dynamics of real hardware. We present a lightweight autoregressive predictor for the GTernal mobile robot platform deployed in the Georgia Tech Robotarium. Through analysis of 48,000 samples collected across six motion trials, we discover that power consumption exhibits strong temporal autocorrelation ($ρ_1 = 0.95$) that dominates kinematic effects. A 7,041-parameter multi-layer perceptron (MLP) achieves $R^2 = 0.90$ on held-out motion patterns by conditioning on recent power history, reaching the theoretical prediction ceiling imposed by measurement noise. Physical validation across seven robots in a collision avoidance scenario yields mean $R^2 = 0.87$, demonstrating zero-shot transfer to unseen robots and behaviors. The predictor runs in 224 $μ$s per inference, enabling real-time deployment at 150$\times$ the platform's 30 Hz control rate. We release the trained model and dataset to support energy-aware multi-robot algorithm development.

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