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ID:41611429
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页数:16页
时间:2019-08-28
《平面四连杆机构模型仿真》由会员上传分享,免费在线阅读,更多相关内容在工程资料-天天文库。
1、平面四连杆机构模型仿真(SimMechanics)1.四连杆实物模型:平面四连杆机构仿真,主动杆3长度为0.12m,连杆2长度为lm,杆3长度为0.6m,杆2固定,较接位置长度为0.867m。主动杆3与水平轴X的夹角为60°,杆2的水平夹角为29.52°o从该机构运动简图可见,整个系统有两个固定机架,3个刚体的连杆通过四个单口出度转动副和这两个固定机架相连,假设主动杆3绕较4以w角速度转动,并假设为正弦信号,试分析杆2的两个端点3和2的运动轨迹。2•建立仿真框图ForetElentnts£T:.untitledo回4J01■■■fileEditViewSimu
2、lationFormatToolsHelpSenD0$HS■P0.:i
3、►■po.o附jJ®a02BUti1)•建立一个SimMechanics模型窗口如图SBRFBlockset童Real-TimeWindowsTargetE■Real-TimeWorkshop£■Real-TimeWorkshopEmbeddSReportGeneratorB■SignalProcessingBlocksetE■SimMechanics—刎Bodies空Constraints&Drivers纠ForceElements±直]JointsL•■空Sensors&Actuato
4、rsILyUtilitiesSHSimPowerSystemsBHSimulinkControlDesign£■SimulinkExtrasE■SimulinkParameterEstimationE■SimulinkResponseOptimizatic-SI4frui2)•分别选择并拖拽机械环境图标1次、固定端图标2次、刚体图标3次、Revolute运动图标4次、JointSensor图标2次及示波器Scope图标1次。如图HIuntitled*CS&CS2I-BodyGroundFileEditViewSimulationFormatToolsHelpD
5、/R俸筋£定a匚►■匝厂时1Zj爭国囤◎圜日EnvMachineEnvirowBCS&CS2aJcsi^cs2aBodyRevolute3Body2Revolute2囚CS1^CS25C6辛F〉RevoluteJointSensoriJointSensor日Ground1BodylRevolutel
6、Env
7、0MachineEnvironmentHScopeBGround3)・修改模块名称,旋转模块,连接模块,如图0untitled*2•参数设置1).Ground1.如图羽BlockParameters:GroundlGroundGroundsonesideo
8、faJointtoafixedlocationintheWorldcoordinatesystem.ParametersLocation[xyz](relativetotheWorldcoordinatesystem)
9、[0.4330.040]
10、m▽ShowMachineEm/irorimentportOKCancelIHelpIApply
11、1).Revolute1.如图0BlockParameters:RevolutelRevoIuteRepresentsonerotationaldegreeoffreedom.Thefollower(F)Bodyrotat
12、esrelativetothebase(B)BodyaboutasinglerotationalaxisgoingthroughcollocatedBodycoordinatesystemorigins.Sensorandactuatorportscanbeadded.Base-followersequenceandaxisdirectiondeterminesignofforwardmotionbytheright-handrule.ConnectionparametersGND@Ground2CS1@Bar1Currentbase:Currentfollo
13、wer:Numberofsensor/actuatorports:ParametersAxes
14、Advanced
15、NamePrimitiveAxisofrotation[xyz]RefereneecsysR1Revolute[001]WORLDOKCancelHelpApply1).Bail.如图BlockParameters:BariBodyMasspropertiesMass
16、5.357[kg亍Representsauser-definedrigidbody・Bodydefinedbymassm.inertiatensorI.andcoordinateor
17、iginsandaxesforcent
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