Hugging Face Trending Papers

Quantifying the Gap Between Laboratory Battery Test Patterns and Field Duty Profiles

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Laboratory battery tests provide the main empirical basis for battery performance and degradation studies, but their operating patterns do not directly represent field duty profiles. This paper quantifies the gap by comparing six accessible evidence sources covering controlled cycling, drive-cycle testing, dynamic cycling, NMC811 laboratory ageing, a real electric-vehicle charging trace, and fleet-scale electric-vehicle state-of-health (SOH) data.

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arXiv Machine Learning
Sep 24

Relative Discharge Stage (RDS) Classification: A Practical Indicator of Battery Discharge Progress

The paper introduces Relative Discharge Stage (RDS), a battery‑management indicator that classifies remaining discharge condition into five interpretable classes—Normal, Good, Moderate, Low, and Recharge Required—without needing future load information. It combines physics‑based SOC estimation with a lightweight temporal convolutional network that processes measured current, voltage, temperature, and SOC over a sliding window. Experiments on two public lithium‑ion datasets show RDS classification accuracy above 80% across varied load and thermal conditions.

By Khoa Tran, Tri Le, Hung-Cuong Trinh, Hung Tran-Nam