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1、FundamentalPrinciplesofMachineDesignMachineDesignFundamentalsK.Craig&S.Awtar1H-BOTslidesTimingBeltMotor+EncoderMotor+EncoderCoupling+PulleyCoupling+PulleyMachineDesignFundamentalsK.Craig&S.Awtar2MotionSystemMachineDesignFundamentalsK.Craig&S.Awtar3RigidLoadMovingRigidShaf
2、tGearboxwithwithBeltbyCoulombwithInertiaMotorRotorInertiaBacklashandFrictionorAttachedwithCoulomb&GearInertiasViscousFriction(neglectfriction)CompliantShaftwithComplaintShaftsInertiaandandCouplingViscouswithInertiasofDampingShafts&CouplingRigidLoadwithCoulomb&ViscousFrict
3、ionactingonitBeltwithLength-DependentComplianceandDamping;BeltPulleys1&2InertiamaybeMotionSystemwithInertiasandincluded(SimplifyingAssumptions)NoBeltSliporBacklashMachineDesignFundamentalsK.Craig&S.Awtar4References?PrecisionMachineDesign,A.Slocum,1992.?ExactConstraintDesi
4、gn:MachineDesignUsingKinematicPrinciples,D.Blanding,1999.?TheElementsofMechanicalDesign,J.Skakoon,2008.?DesignPrinciplesforPrecisionMechanisms,H.Soemers,2010.?MechanicalEngineeringDesign,J.ShigleyandC.Mischke,5thEdition,1989.?DetailedMechanicalDesign:APracticalGuide,J.Ska
5、koon,2000.?FundamentalsofDesign,A.Slocum,2007.?UniversalPrinciplesofDesign,W.Lidwell,K.Holden,&J.Butler,2003.MachineDesignFundamentalsK.Craig&S.Awtar5Introduction?Precisionmachinesareessentialelementsofanindustrialsociety.?Aprecisionmachineisanintegratedsystemthatrelieson
6、theattributesofonecomponenttoaugmenttheweaknessesofanothercomponent.?Hereweemphasizethedesignofmechanicalandstructuralprecisionmachinecomponentsandtheirintegrationwithsensor,actuator,andcontrolsystemstomaximizeperformance.?Designisamixtureofanalysisandcreativethought.?Goo
7、ddesignsarebasedonexcellentconceptsandproperlydesigneddetails.MachineDesignFundamentalsK.Craig&S.Awtar6?Designengineersmustbemorecreativethantheircompetitionandmoreobservantoftheworldaroundthem.?Analogoustophysicalexercise,analysisisaformofmentalexercisethattrainsthemindt
8、obestrongandswift.Manydesignswouldneverhaveevenbeenconceivedofifthedesignengineerdidnotunderstan