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Xin-Wei Lu

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Open access Aug 2026

Hierarchical Residual Attribution with Supervised Channel Shortlisting for Sensor-Local and Process Fault Diagnosis in Multivariate Sensor Time Series

This paper proposes Hierarchical Residual Attribution with supervised channel shortlisting (HRA-SL), a diagnostic framework for multivariate sensor windows under a controlled injected-perturbation protocol, establishing a controlled-injection benchmark for reproducible sensor source diagnosis and affected-channel short...

Yu-Chen Wang, Xin-Wei Lu, Jun Wang · 0 citations

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