Mambo Toolbox Functions - DefineObservers


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DefineObservers — Definition of observers [mupad/matlab]

Reference for maple version: Appendix B in Multibody Mechanics and Visualization by Harry Dankowicz, published by Springer Verlag UK, 2004.

Calling Sequence

DefineObservers(A,B,a)

DefineObservers([A1,B1,a1], ..., [An,Bn,an])

Parameters

A,A1, ..., An: names of declared observers

B,B1, ..., Bn: names of declared points

a,a1, ..., an: names of declared triads

Description

The function DefineObservers associates a reference point and a reference triad with a given observer. An observer may only be defined once.

The function DefineObservers results in permanent changes to the global variable GlobalObserverDefinitions.

Examples

Restart():
DeclareObservers(A,B,C):
DeclarePoints(Ap,Bp,Cp):
DeclareTriads(a,b,c):
DefineObservers([A,Ap,a],[B,Bp,b],[C,Cp,c]):
print(GlobalObserverDefinitions);

Define Observers

Toolbox functions

&**, &++, &--, &xx, &oo &>, &>=, &<, &<=, &==, &!= AngularMomentum AngularVelocity CoeffExtract DeclareObservers DeclarePoints DeclareStates DeclareTriads DefineNeighbors DefineObjects DefineObservers DefinePoints DefineTriads DiffTime Express FindCoordinates FindOrientation FindPosition FindRotation FindTranslation ForceDescription GeometryOutput LinearMomentum LinearVelocity MakeDescription MakeRotations MakeTranslations MamboSimplify MomentumDescription MotionOutput NullVector Restart Undo VectorLength VelocityDescription