MotionGenesis: F=ma Software, textbooks, training, consulting.      Four-bar linkages (statics and dynamics)

MotionGenesis™
4-bar linkage statics and dynamic: Problem statement (.pdf)
Commands: Statics or dynamics via FBDs  (MG Road Maps).
Responses: Statics or dynamics via FBDs  (MG Road Maps).
Commands: Valentine statics & dynamics via FBDs and Kane.
Responses: Valentine statics & dynamics via FBDs and Kane.
Commands: Statics  or statics & dynamics via Kane/Lagrange augmented.
Responses: Statics  or statics & dynamics via Kane/Lagrange augmented.
Commands: Statics or dynamics via Kane embedded.
Responses: Statics or dynamics via Kane embedded.
Commands: Dynamics & additional forces via Kane's method.
Responses: Dynamics & additional forces via Kane's method.
Commands: Valentine with MATLAB to initialize qB, qC via FBDs and Kane.
Responses: Valentine with MATLAB to initialize qB, qC via FBDs and Kane.
MGFourBarInitialValues.m   MGFourBarDynamicsPassInitialValues.m

Type, the following at the MATLAB command prompt:
initialDataGuess = { 30, 60, 20 };   % qA, qB, qC.     
initialDataActual = MGFourBarInitialValues( initialDataGuess{:} );  
qA = initialDataGuess{  1 };                                       
qB = initialDataActual( 2 );                                       
qC = initialDataActual( 3 );                                       
qADt = pi/4                                                        
MGFourBarDynamicsPassInitialValues( qA, qB, qC, qADt ) 
Triple-pendulum (feed-forward control) Commands Responses Student/blanks
Related: 6-spoke Geneva mechanism
Geneva Mechanism
MotionGenesis Four-bar linkage OilPumpJackByThebiestscPublicDomainWikimediaCommonCroppedAnimated.gif
FourBarLinkageSchematicValentineInitialValue.png MGFourBarDynamicsValentineStylish.jpg OilPumpJackByAlegri4FreePhotoPublicDomainBEdited.jpg
Engineering: Work is love made visible.   Peace, love, F = ma
MGFourBarLinkageValentineAnimated.gif
FourBarLinkageWMValentineSchematic.jpg
Working Model
FourBarLinkageWMCouplerPointAngleDistance.jpg
FourBarLinkageWMCouplerPointAngleDistanceSchematic.jpg
Working Model
Motion simulation results: No damping
MGFourBarLinkageSwingingAnglesNoDamping.jpg
Motion simulation results: With damping
MGFourBarLinkageSwingingAnglesWithDamping.jpg