{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,4,26]],"date-time":"2026-04-26T02:45:38Z","timestamp":1777171538146,"version":"3.51.4"},"reference-count":47,"publisher":"MDPI AG","issue":"15","license":[{"start":{"date-parts":[[2023,8,3]],"date-time":"2023-08-03T00:00:00Z","timestamp":1691020800000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"name":"Science and Technology Research Project of Jilin Provincial Department of Education","award":["JJKH20220047KJ"],"award-info":[{"award-number":["JJKH20220047KJ"]}]},{"name":"Science and Technology Research Project of Jilin Provincial Department of Education","award":["JJKH20230060KJ"],"award-info":[{"award-number":["JJKH20230060KJ"]}]},{"name":"Science and Technology Research Project of Jilin Provincial Department of Education","award":["20210203047SF"],"award-info":[{"award-number":["20210203047SF"]}]},{"name":"Jilin Science and Technology Development Plan Project","award":["JJKH20220047KJ"],"award-info":[{"award-number":["JJKH20220047KJ"]}]},{"name":"Jilin Science and Technology Development Plan Project","award":["JJKH20230060KJ"],"award-info":[{"award-number":["JJKH20230060KJ"]}]},{"name":"Jilin Science and Technology Development Plan Project","award":["20210203047SF"],"award-info":[{"award-number":["20210203047SF"]}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Sensors"],"abstract":"<jats:p>The vibration signals from rotating machinery are constantly mixed with other noises during the acquisition process, which has a negative impact on the accuracy of signal feature extraction. For vibration signals from rotating machinery, the conventional linear filtering-based denoising method is ineffective. To address this issue, this paper suggests an enhanced signal denoising method based on maximum overlap discrete wavelet packet transform (MODWPT) and variational mode decomposition (VMD). VMD decomposes the vibration signal of rotating machinery to produce a set of intrinsic mode functions (IMFs). By computing the composite weighted entropy (CWE), the phantom IMF component is then removed. In the end, the sensitive component is obtained by computing the value of the degree of difference (DID) after the high-frequency noise component has been decomposed through MODWPT. The denoised signal reconstructs the signal\u2019s intrinsic characteristics as well as the denoised high-frequency IMF component. This technique was used to analyze the simulated and real-world signals of gear faults and it was compared to wavelet threshold denoising (WTD), empirical mode decomposition reconstruction denoising (EMD-RD), and ensemble empirical mode decomposition wavelet threshold denoising (EEMD-WTD). The outcomes demonstrate that this method can accurately extract the signal feature information while filtering out the noise components in the signal.<\/jats:p>","DOI":"10.3390\/s23156904","type":"journal-article","created":{"date-parts":[[2023,8,3]],"date-time":"2023-08-03T11:23:03Z","timestamp":1691061783000},"page":"6904","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":11,"title":["Method for Denoising the Vibration Signal of Rotating Machinery through VMD and MODWPT"],"prefix":"10.3390","volume":"23","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-0934-6046","authenticated-orcid":false,"given":"Xiaolong","family":"Zhou","sequence":"first","affiliation":[{"name":"Mechanical Engineering College, Beihua University, Jilin City 132021, China"}]},{"given":"Xiangkun","family":"Wang","sequence":"additional","affiliation":[{"name":"Mechanical Engineering College, Beihua University, Jilin City 132021, China"}]},{"given":"Haotian","family":"Wang","sequence":"additional","affiliation":[{"name":"Mechanical Engineering College, Beihua University, Jilin City 132021, China"}]},{"given":"Zhongyuan","family":"Xing","sequence":"additional","affiliation":[{"name":"Mechanical Engineering College, Beihua University, Jilin City 132021, China"}]},{"given":"Zhilun","family":"Yang","sequence":"additional","affiliation":[{"name":"Mechanical Engineering College, Beihua University, Jilin City 132021, China"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-4894-6319","authenticated-orcid":false,"given":"Linlin","family":"Cao","sequence":"additional","affiliation":[{"name":"Mechanical Engineering College, Beihua University, Jilin City 132021, China"}]}],"member":"1968","published-online":{"date-parts":[[2023,8,3]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"187","DOI":"10.1016\/j.jsv.2004.10.005","article-title":"An improved Hilbert\u2013Huang transform and its application in vibration signal analysis","volume":"286","author":"Peng","year":"2005","journal-title":"J. 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