3-RRR并联机构虚拟样机设计与仿真(3)

2021-04-05 05:52

3-RRR并联机构虚拟样机设计与仿真

南京理工大学硕士学位论文3-RRR并联机构虚拟样机设计与仿真

ABSTRACT

Thispaperresearchedthethree -degree -of-freedomsphericalparallelmanipulator.Mechanismdesign,displacementanalysis,workspace,kinematicsanalysis,dynamicsanalysisandstiffiaessanalysisarestudiedbyusingvirtualprototypetechnology.

Basedonthesphericalparallelmechanism,thekinematicsanalysiswasconducted,

wasset

oncoordinatetransformationmatrixusingD—Hmethodup,andthekinematicsequationinversesolutionwasdeduced.Inordertoearlykinematicsanddynamics

simulation,theprototypeofthemanipulatorwascreatedbyusingthethree-dimensionalparametersoftware

betweenI-DEAS

respecttoI-DEASandimportedtosoftwareADAMSthroughtheinterfaceandADAMSlocalsoftware.Then,agreatdealofsimulationisdone、Ⅳitlltheworkspaceanalysis,forwardkinematicsanalysisandinversekinematicsanalysis.Furthermore,thedynamicsimulationisdone.Thentheoptimizationofthebalancemechanismparametersisdonetoimprovethemechanismcapability.Atlast,thetorquewhichthecomponentsenduredistestedduringthesimulationoftheworkingprocessandthesimulationresultisanalyzed.

aTheseworksprovided

thevirtualprototypebelievablemethodoftheparallelmechanismdesignbyusingtechnology.

manipulator,forwardKeywords:parallelkinematics,inversekinematics,workspace,

mechanismdesign,vil'tllalprototype,simulation,ADAMSll


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