基于LabVIEW的非线性振动仿真测试平台(4)

基于虚拟仪器的振动测试

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VirtualNonlinearVibrationSimulationand

TestSystemBasedonLabVIEW

LinFusheng1,2)　HuangQibo1)　ZhanZhigang3)　MengGuang4)(SchoolofMechanicalScience&Engineering,HUST,Wuhan430074)1)

(DepartmentofElectromechanicalEngineering,

WuhanUniversityofScience&Engineering,Wuhan430073)

2)

3)

4)

(SchoolofEnergyandPowerEngineering,WUT,Wuhan430063)

(StateKeyLabofVibration,ShockandNoise,ShanghaiJiaotongUniversity,Shanghai200030)

Abstract

ThefunctionalmodulesofanonlinearvibrationsimulationandtestsystembasedonLabVIEWarepresented.ThesystemcancreatemanycommonnonlinearplotsincludingthePoincareMap,bi-furcationdrawing,Lyapunovexponentfigure,etc.Thedatacanbeinputbyrealtimedataacquisitionfromanengineeringvibrationsystemorsimulatedbythreedifferentmethods:onthecontrolpanel,usingscriptnodesfortheMATLABlanguagesyntaxinLabVIEWtoexecutemathscripts,orfromcomputingprogramsinotherplatform.

Keywords:virtualinstrument;nonlinearvibrationsimulation;vibrationtest