{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,7]],"date-time":"2026-09-07T18:08:34Z","timestamp":1788804514789,"version":"build-2803163510"},"reference-count":33,"publisher":"L and H Scientific Publishing, LLC","issue":"1","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["JAND"],"published-print":{"date-parts":[[2027,3,1]]},"abstract":"<jats:p>Low-frequency underwater noise is a critical factor affecting ship stealth, which can be effectively mitigated by enhancing low-frequency vibration isolation and implementing chaotization control. This paper proposes a new cross-shaped quasi-zero-stiffness (C-QZS) structure to upgrade the traditional vibration isolation floating raft system (VIFRS). A nonlinear time-delay feedback controller is then introduced to induce chaos in the vibration responses. The specific research include: 1) establishing a dynamic model of the controlled C-QZS VIFRS and evaluating the low-frequency isolation performance of the C-QZS structure. 2) calculating the simple coded dispersion entropy (SCDE) of system responses to analyze the impacts of control parameters and excitation forces on controller performance. and 3) comparing the present study with the conventional nonlinear VIFRS. Results demonstrate that the C-QZS-based system outperforms its counterpart in chaotizing low-frequency vibration line spectra, requiring less energy input, exhibiting higher robustness, and achieving superior low-frequency isolation, thus better meeting practical engineering requirements.<\/jats:p>","DOI":"10.5890\/jand.2027.03.012","type":"journal-article","created":{"date-parts":[[2026,9,7]],"date-time":"2026-09-07T17:41:02Z","timestamp":1788802862000},"page":"267-283","source":"Crossref","is-referenced-by-count":0,"title":["A Study on Chaotization Control of a Quasi-zero-stiffness Vibration Isolation System"],"prefix":"10.5890","volume":"16","author":[{"given":"Dingming","family":"Fan","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Peng","family":"Li","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Guixiang","family":"Liu","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jun","family":"Lu","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"7015","published-online":{"date-parts":[[2026,9,7]]},"reference":[{"key":"ref1","unstructured":"[1] Shan, H.N., Shan, L., Wang, Z.Q., and Wang, X.F. 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