风能收集摩擦纳米发电机非线性动力学特性

打开文本图片集
¹²,¹²,²,³1(1.2.广西大学机械工程学院,广西南宁530004;3.中国航发中传机械有限公司,湖南长沙410200;4.江苏万基传动科技有限公司,江苏泰州225400)
关键词:非线性动力学;时变啮合刚度;分岔与混沌;电位法;短路电流 中图分类号:TH113.1;O322 文献标志码:A DOI: 10.16385/j.cnki.issn.1004-4523.202403060
Nonlinear dynamics characteristics of wind energy harvesting triboelectric nanogenerator
MO Shuai1², ZENG Yanjun1², WANG Zhen1², ZHAO Xinhao3, ZHANG Jielu4, ZHANG Wei1 (1.State Key Laboratory ofFeatured Metal Materials and Life-cycle Safety for Composite Structures, Guangxi University, Nanning 530004,China;2.SchoolofMechanical Engineering,Guangxi University,Nanning 530004,China; 3.Aero Engine Corporation of China,Zhongchuan Transmision Machinery Co.,Ltd.,Changsha 41020o,China; 4.Jiangsu Wanji Transmission Technology Co.,Ltd.,Taizhou22540o,China)
Abstract:Tetputhacteistofindeatigeletricaogeeatadhieadaicaractestofiar transmisionsystemareinvestigatedConsideringvariousfactorssuchasrandomwindspeed,backlashandcomprehensivetrasiion erortheolieardynamicodelofthegeartransmisionsystemofthetriboelectricanogeeratorisstablished,andtheoliear vibrationdiferetialuatiooftestsistedIdertobtainoeaccratetievargmesngstifss,tepoetialegy methodisusedtocaleulatethetime-varingmesingstifnessoftegear,andthecaleulationresultsareusedtocaleulatethemesingforce duringthegearmeshngprocessTefoutordeRunge-Kutaitegrationmetodisusedtosolethedyamicdiferentialequatiosof te systemunderdifertextealdecitatiofrequecis,andthesutiosoftequatoareedtodatet-dimesiolavelet time-frequencytransfordagramanddisplacementifurcationdiagram,andtoanalyzetheevolutionlawofthenonlinearbehaviorofte system.herelativdgodelbeteenteelectrodesoftrbelectricaogeneatoistabsd,andtectrodparaetese substuted.Theelatioshpetweentheopen-uitvotage,short-iruitcurrentandtestmparametesisexploedbydraingtwo dimensionalndtrimesioaliagsofpeitvageadsitentTsultssothathteireasfsing stifssadextealecitationfrqucyteo-iitvgeadsortittieaseandtgothatesfaste. Underexteral excitation,thesystempresentsnonlinearmotioncharacterstics.Inordertomaintainstableoperationofthesystem,the external excitation frequencyshould be selected inanappropriate range,andthe meshing stifnesshould not betoo small.
Keywords:nonlineardynamics;time-varyngmesingstifes;bifurcationandchaos;potentialmethod;short-circuitcurnt
摩擦纳米发电机通过接触通电和静电感应耦合作用从自然环境中收集机械能,具有成本低、制造容易、材料选择多样等优点,可减少对化石能源的依赖,促进可持续发展。(剩余25413字)