连杆铰链型非线性能量阱设计及试验研究

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关键词：船舶振动控制；非线性能量阱；连杆铰链；动力学特性;增量谐波平衡法；吸振效果 中图分类号：TB535；O322 文献标志码：A DOI：10.16385/j.cnki.issn.1004-4523.202504052

Design and experimental study of connecting rod hinge type nonlinear energy sink

CHAI Kai1，CHU Jiawen²，LOU Jingjun'，YANG Qingchao1 （1.College of Naval Architecture and Ocean，Naval University of Engineering，Wuhan ，China; 2.College of Power Engineering，Naval University of Engineering，Wuhan 43oo33，China）

Abstract：Toadresstheshortcomingsofmarinelinearvibrationabsorbers—includinginadequatelow-frequencyvibrationreduction performane，mitedenvironmentaladaptabity，andarowoperatingandwidthacoectingrod-hingednolieareergysink（NES） wasdesignedforbroadbandlinespectrumcontrolinmarinemechanicalequipment.ThedesignprinciplesoftheNESprototypewere elaborated，aditetalafotoasedhoosfoeietaarstfsabd coupledNESsystemwasmodeled，anditsdynamiccharacteristicswereanalyzedviatheincrementalharmonicbalancemethod，with comparisonsdrawtoanequivaentiearvibationabsorber.AsimulationtestbenchwasconstrctedforexperimentalvalidationResults demonstrate that the NES achieves vibration reduction exceeding 6 dB within the 8～22Hz frequency band，offering a technical approach for marine vibration control and significantly enhancing ship acoustic stealth performance.

Keywords：vibratiocontrolofsips;nonlieareergysink（NES）；onectingodinge；dnamiccharacterisicsnrementalaoic balance（IHB）method;vibrationabsorption effect

机械振动是工程领域普遍存在的物理现象，在航空航天装备、船舶动力系统、高速轨道交通等大型机械装备中表现得尤为突出，绝大多数情况下会对系统产生危害，因此进行有效的振动抑制是非常必要的[1]。（剩余11837字）