活塞连杆机构的外文和翻译.docx

活塞连杆机构的外文和翻译

第一篇：活塞连杆机构的外文和翻译ModelingandSimulationoftheDynamicsofCrankshaft-ConnectingRod-Piston-CylinderMechanismandaUniversalJointUsingTheBondGraphApproachAbstractThispaperdealswithmodelingandsimulationofthedynamicsoftwocommonlyusedmechanisms,(1)theCrankshaft–Connectingrod–Piston–Cylindersystem,and(2)theUniversalJointsystem,usingtheBondGraphApproach.Thisalternativemethodofformulationofsystemdynamics,usingBondGraphs,offersarichsetoffeaturesthatinclude,pictorialrepresentationofthedynamicsoftranslationandrotationforeachlinkofthemechanismintheinertialframe,representationandhandlingofconstraintsatjoints,depictionofcausality,obtainingdynamicreactionforcesandmomentsatvariouslocationsinthemechanism,algorithmicderivationofsystemequationsinthefirstorderstate-spaceorcauseandeffectform,codingforsimulationdirectlyfromtheBondGraphwithoutderivingsystemequations,andsoon.Keywords:BondGraph,Modeling,Simulation,Mechanisms.ModelingDynamicsoftwocommonlyusedmechanisms,(1)theCrankshaft–Connectingrod–Piston–Cylindersystem,and(2)theUniversalJointsystem,aremodeledandsimulatedusingtheBondGraphApproach.Thisalternativemethodofformulationofsystemdynamics,usingBondGraphs,offersarichsetoffeatures[1,2].Theseinclude,pictorialrepresentationofthedynamicsoftranslationandrotationforeachlinkofthemechanismintheinertialframe,depictionofcauseandeffectrelationship,representationandhandlingofconstraintsatjoints,obtainingthedynamicreactionforcesandmomentsatvariouslocationsinthemechanism,derivationofsystemequationsinthefirstorderstate-spaceorcauseandeffectform,codingforsimulationdirectlyfromtheBondGraphwithoutderivingsystemequations.Usuallythelinksofmechanismsaremodeledasrigidbodies.Inthiswork,wedevelopandapplyamultibondgraphmodelrepresentingbothtranslationandrotationofarigidbodyforeachlink.Thelinksarethencoupledatjointsbasedonthenatureofconstraint[3-5].Bothtranslationalandrotationalcouplingsforjointsaredevelopedandintegratedwiththedynamicsoftheconnectinglinks.Aproblemofdifferentialcausalityatlinkjointsarise