Author

J. Hur

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Open access 2026

Evaluating Load-Conditional Convergence in Lithium-Ion Battery Degradation: A Matched-Group Statistical Framework

The rate of capacity fade in a lithium-ion battery following a transition to a new discharge current is widely assumed to equal that of a battery that has always operated at the destination current, an implicit premise referred to here as load-conditional convergence. Despite its routine incorporation into reduced-orde...

Nnamdi C. Aronwora, Chibuzo Nwabufo Okwuosa, J. Hur · IEEE Access · 0 citations

Open access Aug 2026

Unsupervised Multi-Sensor Condition Monitoring of AODD Pump Systems Using Physics-Informed Health Indices and Gaussian Mixture Models

Air-operated double-diaphragm (AODD) pumps in industrial sludge transfer suffer from gradual performance degradation due to rheological variations and component wear, yet conventional monitoring relies on scarce labeled fault data. This paper presents an unsupervised multi-sensor framework that requires no fault labels...

Seong-Wook Kim, A. B. Kareem, J. Hur · Italian National Conference... · 0 citations

Open access 2026

A Real-Time Framework for Low-Load Fault Detection and Multi-Level Fault Severity Assessment Using an Energy-Modulated Transformer Autoencoder

Experimental results on stator inter-turn faults across multiple low-load operating conditions demonstrate superior reconstruction performance compared with representative recurrent, transformer-based, and graph-based autoencoder models while maintaining computational efficiency suitable for low-latency deployment.

Chibuzo Nwabufo Okwuosa, J. Hur · IEEE Access · 0 citations