{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,6,12]],"date-time":"2026-06-12T21:55:47Z","timestamp":1781301347154,"version":"3.54.1"},"reference-count":30,"publisher":"MDPI AG","issue":"10","license":[{"start":{"date-parts":[[2022,10,13]],"date-time":"2022-10-13T00:00:00Z","timestamp":1665619200000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"name":"National Natural Science Foundation of China","award":["12072106"],"award-info":[{"award-number":["12072106"]}]},{"name":"National Natural Science Foundation of China","award":["U1604254"],"award-info":[{"award-number":["U1604254"]}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Entropy"],"abstract":"<jats:p>To address the difficulty of extracting the features of composite-fault signals under a low signal-to-noise ratio and complex noise conditions, a feature-extraction method based on phase-space reconstruction and maximum correlation Re\u2019nyi entropy deconvolution is proposed. Using the Re\u2019nyi entropy as the performance index, which allows for a favorable trade-off between sporadic noise stability and fault sensitivity, the noise-suppression and decomposition characteristics of singular-value decomposition are fully utilized and integrated into the feature extraction of composite-fault signals by the maximum correlation Re\u2019nyi entropy deconvolution. Verification based on simulation, experimental data, and a bench test proves that the proposed method is superior to the existing methods regarding the extraction of composite-fault signal features.<\/jats:p>","DOI":"10.3390\/e24101459","type":"journal-article","created":{"date-parts":[[2022,10,13]],"date-time":"2022-10-13T20:55:11Z","timestamp":1665694511000},"page":"1459","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":11,"title":["Fault Feature-Extraction Method of Aviation Bearing Based on Maximum Correlation Re\u2019nyi Entropy and Phase-Space Reconstruction Technology"],"prefix":"10.3390","volume":"24","author":[{"given":"Zhen","family":"Zhang","sequence":"first","affiliation":[{"name":"School of Mechanical and Electrical Engineering, Henan University of Technology, Zhengzhou 450001, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Baoguo","family":"Liu","sequence":"additional","affiliation":[{"name":"Henan Key Laboratory of Superabrasive Grinding Equipment, Henan University of Technology, Zhengzhou 450001, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yanxu","family":"Liu","sequence":"additional","affiliation":[{"name":"Henan Key Laboratory of Superabrasive Grinding Equipment, Henan University of Technology, Zhengzhou 450001, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Huiguang","family":"Zhang","sequence":"additional","affiliation":[{"name":"School of Mechanical and Electrical Engineering, Henan University of Technology, Zhengzhou 450001, China"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1968","published-online":{"date-parts":[[2022,10,13]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","unstructured":"Ma, J., Han, S., Li, C., Zhan, L., and Zhang, G.-Z. 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