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Mobile manipulation of flexible objects under deformation constraints

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1 Author(s)
Tanner, H.G. ; Mech. Eng. Dept., Univ. of New Mexico, Albuquerque, NM, USA

We develop a velocity field tracking-control scheme with proportional integral force feedback to transport and manipulate deformable material with a mobile manipulator. We assume that the deformable object is a damped underactuated mechanical system. The input-to-state stability properties of its zero dynamics are used to derive bounds on the admissible end-effector velocities and accelerations. It is shown both analytically and in simulation that using deformation feedback, we can avoid exciting excessive object deformations.

Published in:

Robotics, IEEE Transactions on  (Volume:22 ,  Issue: 1 )