非光滑负电容压电分流减振器动力学特性研究

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中图分类号：TB123 文献标志码：A DOI:10.16385/j.cnki.issn.1004-4523.202406062

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100191;2.中国矿业大学(北京)力学与土木工程学院，北京100083；3.航天东方红卫星有限公司，北京100094）

Dynamic characteristics of piezoelectric shunt vibration absorber with non-smooth negative capacitance

ZHANGLin',LIMing²,ZHANG Guojun³,YANGYunxi',CHENGWei' (1.School of Aeronautic Science and Engineering，Beihang University，Beijing 10o191,China; 2.SchoolofMechanicsand CivilEnginering，China UniversityofMiningandTechnology（Beijing），Beijing 10083，China; 3.Aerospace Dongfanghong Satellite Development Ltd.，Beijing 100o94，China）

Abstract:Toextendtheeffectivefrequencyrangeof piezoelectricshuntdampingtechnologythispaperintroducesanonlinearnegatie capacitanciialiealoatstitllluof diodes，nadjustablepiec-wislinearnegativecapacitaneithtunableuingvageischevedThearmonicbalaceetodcobind withalteatigtifrequecsploydtorieteprdicsposecharactersticsoftoupledrctureuderaonciatio BasedonFoquetthorythestabilityadbfurcaonchracteristsofteperdicsolutioreaaledTevrablecoicnthaoic balancemethodisfurthrusedtoinvestigatethequasi-perodicsoutioninducedyeimarkSackerbifurcation.Teresultsidicateatte dampingperformanceofthenonlineardamperexhibitssignificantamplitudedependence，andunderspecificexcitationintensities，the nonlinearcircitpefoseteromparedtotlinaruitofurtdapttholiearabsobertohangsiexcitationampliudeand frequency，teAdaMaxalgorithisusedtoacheveadaptiveadjustmentofthiticalvolageoftenegativecapacitace.Exptal resultsshowtateproposedoniarpiezoelectricsuntciitadadaptiealgoritfectielyeanevibatiodampgpefoance and improve adaptability to varying excitation conditions.

Keywords:vibration control; piezoelectric shunt circuit; nonlinear vibration; non-smooth system

由于优异的耦合性能和轻质特性，压电材料在结构振动控制领域的应用受到了广泛关注。（剩余21498字）