“Simple” Model
K, B, qnom
k, b, lnom
Symmetry assumption
Full 3D model
Planar model
• Body has 3 planar degrees of freedom
– x, z, theta
– mass, inertia
• 3 massless legs (per tripod)
– rotating hip joint - damped torsional spring
– prismatic leg joint - damped linear spring
– 6 parameters per leg
         18 parameters to tune - TOO MANY!
Intro
Biomimesis
Design
Analysis
Conclusions