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Contact Dynamics Modelling for Robots

Contact Dynamics Modelling for Robots

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Introduction<br />

Impulse-momentum contact<br />

Point contact<br />

Friction <strong>for</strong>ces<br />

<strong>Contact</strong> in robot dynamics modelling<br />

Conclusions<br />

Coulomb friction<br />

Static<br />

F f ≤ −µ S Nû<br />

where û is in the direction of<br />

other <strong>for</strong>ces in the plane of<br />

contact.<br />

c<br />

vcn<br />

Dynamic<br />

F f = −µ k Nˆv ct<br />

Ff<br />

N<br />

vct<br />

Mike Boos<br />

<strong>Contact</strong> <strong>Dynamics</strong> <strong>Modelling</strong> <strong>for</strong> <strong>Robots</strong>

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