Study on active control for multilinear and nonlinear vibration in piezoelectric structures through a secondary channel improved method

IF 5.6 1区 工程技术 Q1 ENGINEERING, CIVIL Engineering Structures Pub Date : 2025-01-16 DOI:10.1016/j.engstruct.2025.119637
Xudong Zhang , Xin Lan , Weikai Shi , Pengxiang Zhao , Jianlong Gao , Liwu Liu , Yanju Liu , Jinsong Leng
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Abstract

Focusing on multiline and narrowband spectral vibration control issues presented by engineering requirements, this study assessed the effectiveness of large-scale and high-rigidity structures equipped with piezoelectric stack actuators for the active control of vibration. By utilizing the modal decomposition approach, the derivation yielded a state-space equation for an Nth-order system of a piezoelectric cantilever beam was deduced. On this foundation, the traditional least mean square algorithm was improved, and a resettable uniformization filtered-x least mean square (RU-FxLMS) controller was designed, which effectively mitigated the adverse effects of filtering and prevented beating vibration phenomena during the control process. This improvement has, to a certain extent, compensated the deficiencies of the adaptive strategy over low frequency line spectral vibration. Afterwards, Simulations and experimental pertaining to active vibration control of piezoelectric cantilever beams were performed. Experimental data, gathered under the conditions of multiline spectra, narrowband spectra, and frequency-hopping vibration, exhibited a relatively obvious control effect. Under two typical vibration conditions, the simulations and experiments exhibited reasonable and consistent control trends at each characteristic line spectrum, which validated the feasibility and reliability of this strategy for vibration control in the low frequency domain with piezoelectric structures.
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来源期刊
Engineering Structures
Engineering Structures 工程技术-工程:土木
CiteScore
10.20
自引率
14.50%
发文量
1385
审稿时长
67 days
期刊介绍: Engineering Structures provides a forum for a broad blend of scientific and technical papers to reflect the evolving needs of the structural engineering and structural mechanics communities. Particularly welcome are contributions dealing with applications of structural engineering and mechanics principles in all areas of technology. The journal aspires to a broad and integrated coverage of the effects of dynamic loadings and of the modelling techniques whereby the structural response to these loadings may be computed. The scope of Engineering Structures encompasses, but is not restricted to, the following areas: infrastructure engineering; earthquake engineering; structure-fluid-soil interaction; wind engineering; fire engineering; blast engineering; structural reliability/stability; life assessment/integrity; structural health monitoring; multi-hazard engineering; structural dynamics; optimization; expert systems; experimental modelling; performance-based design; multiscale analysis; value engineering. Topics of interest include: tall buildings; innovative structures; environmentally responsive structures; bridges; stadiums; commercial and public buildings; transmission towers; television and telecommunication masts; foldable structures; cooling towers; plates and shells; suspension structures; protective structures; smart structures; nuclear reactors; dams; pressure vessels; pipelines; tunnels. Engineering Structures also publishes review articles, short communications and discussions, book reviews, and a diary on international events related to any aspect of structural engineering.
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