{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,3,10]],"date-time":"2026-03-10T21:38:13Z","timestamp":1773178693590,"version":"3.50.1"},"reference-count":44,"publisher":"MDPI AG","issue":"8","license":[{"start":{"date-parts":[[2022,4,11]],"date-time":"2022-04-11T00:00:00Z","timestamp":1649635200000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"name":"NSF INFEWS","award":["award\\# CBET-1856112, 2019-2023"],"award-info":[{"award-number":["award\\# CBET-1856112, 2019-2023"]}]},{"name":"State of California SGC project ``Mobile Biochar Production for Methane Emission Reduction and Soil Amendment.&quot;","award":["2019CCR20014"],"award-info":[{"award-number":["2019CCR20014"]}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Sensors"],"abstract":"<jats:p>The field of smart health monitoring, intelligent fault detection and diagnosis is expanding dramatically in order to maintain successful operation in many engineering applications. Considering possible fault scenarios that can occur in a system, indicating the type of fault in a sensor is one of the most important and challenging problems in the area of intelligent sensor fault diagnostics. Within this frame of reference, we extended the physics-informed transfer learning framework, first presented previously for a fault cause assignment, to the level of sensor fault diagnostics for a range of different fault scenarios. Hence, the framework is utilized to perform intelligent sensor fault diagnostics for the first time. The underlying dynamics of the reference system are extracted using a completely data-driven methodology and dynamic mode decomposition with control (DMDc) in order to generate time-frequency illustrations of each sample with continuous wavelet transform (CWT). Then, sensor fault diagnostics for bias, drift over time, sine disturbance and increased noise sensor fault scenarios are achieved using the idea of transfer learning with a pre-trained image classification algorithm. The classification results yields a good performance on sensor fault diagnostics with 91.5% training and 84.7% test accuracy along with a fair robustness level with a set of reference benchmark system parameters.<\/jats:p>","DOI":"10.3390\/s22082913","type":"journal-article","created":{"date-parts":[[2022,4,12]],"date-time":"2022-04-12T22:48:45Z","timestamp":1649803725000},"page":"2913","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":11,"title":["Sensor Fault Diagnostics Using Physics-Informed Transfer Learning Framework"],"prefix":"10.3390","volume":"22","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-7643-3043","authenticated-orcid":false,"given":"Furkan","family":"Guc","sequence":"first","affiliation":[{"name":"Department of Mechanical Engineering, University of California Merced, Merced, CA 95343, USA"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-7422-5988","authenticated-orcid":false,"given":"Yangquan","family":"Chen","sequence":"additional","affiliation":[{"name":"Department of Mechanical Engineering, University of California Merced, Merced, CA 95343, USA"}]}],"member":"1968","published-online":{"date-parts":[[2022,4,11]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"111990","DOI":"10.1016\/j.sna.2020.111990","article-title":"Recent advances in sensor fault diagnosis: A review","volume":"309","author":"Li","year":"2020","journal-title":"Sens. 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