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M eq. K S /2. B. K S /2. K W. M W. M eq. x M. M W. x C. x 0. Mechanical circuit:. K. B. 2 Nodes. K W. Input. x C. f K. f B. f Meq. Free body diagrams: NODE1. f K. f B. x W. f Kw. f Mw. Free body diagrams: NODE 2. Mathematical Model. Two 2nd order DE’s in two unknowns.
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Meq KS/2 B KS/2 KW MW Shockabsorber
Meq xM MW xC x0 Mechanical circuit: K B 2 Nodes KW Input Shockabsorber
xC fK fB fMeq Free body diagrams:NODE1 Shockabsorber
fK fB xW fKw fMw Free body diagrams:NODE2 Shockabsorber
Mathematical Model Two 2nd order DE’s in two unknowns Shockabsorber
Laplace transform Shockabsorber
Laplace transform Shockabsorber
Transfer Fn x0→ xC Shockabsorber
Transfer Fn x0→ xW Shockabsorber
State-Space Model Define state variables: Standard choice Shockabsorber
Dynamics Shockabsorber
Output Shockabsorber
Block Diagram Shockabsorber