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