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变刚度双稳态电磁式振动发电机的AMESim仿真分析.docx

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变刚度双稳态电磁式振动发电机的AMESim仿真分析 Abstract: ThispaperpresentsasimulationanalysisofabistableelectromagneticvibrationgeneratorwithvaryingstiffnessusingtheAMESimsoftware.Theaimofthisstudyistoinvestigatethedynamicbehaviorandperformanceofthegeneratorunderdifferentoperatingconditions.Thesimulationmodelincludesthemechanicalstructure,electricalcircuit,andcontrolalgorithmofthegenerator.Theresultsshowthatthegeneratorcanachievestableandefficientpowergenerationinawiderangeofoperatingconditions.Thesimulationanalysisprovidesvaluableinsightsintothedesignandoptimizationofsuchgeneratorsforpracticalapplications. 1.Introduction Vibrationenergyharvestinghasgainedsignificantattentioninrecentyearsasapromisingalternativesourceofrenewableenergy.Amongvariousvibrationenergyharvesters,electromagneticvibrationgeneratorshaveattractedsignificantinterestduetotheirhighefficiencyandversatility.Bistableelectromagneticvibrationgenerators,inparticular,havetheadvantageofbeingabletogeneratepoweroverawiderangeoffrequenciesandvibrationamplitudes.However,thedynamicbehaviorandperformanceofsuchgeneratorswithvaryingstiffnessarenotwellunderstood.Therefore,simulationanalysisiscrucialforthedesignandoptimizationofthesegenerators. 2.Methodology ThesimulationanalysisisconductedusingtheAMESimsoftware,whichiswidelyusedforsystem-leveldynamicsimulations.Thesimulatorintegratesmechanical,electrical,andcontrolsystemcomponentstoaccuratelymodelthebehaviorofthegenerator.Thesimulationmodelisdevelopedbasedonthemathematicalequationsdescribingtheelectromagneticandmechanicaldynamicsofthegenerator.Theelectricalcircuitequationsaresolvedsimultaneouslywiththemechanicalequationstocapturethedynamicinteractionbetweentheelectricalandmechanicalsystems. 3.SimulationModel Thesimulationmodelincludesthemechanicalstructure,electricalcircuit,andcontrolalgorithmofthegenerator.Themechanicalstructureconsistsofacantileverbeamwithamagnetattachedtoitsfreeend,andacoilplacednearthemagnet.Theelectricalcircuitincludesarectifier,acapacitor,andaresistiveload.Theco