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Force/motion control of constrained manipulators without velocity measurements

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2 Author(s)
Loria, A. ; CNRS, France ; Panteley, E.

In this paper the authors deal with the problem of force/tracking control of constrained manipulators without velocity measurements interacting with an infinitely stiff environment. They use a reduced-order model for which the coordinate space is restricted to a subset R where the Jacobian constraint is guaranteed to be nonsingular. In contrast to other similar approaches, the authors do not assume that the generalized trajectories belong to the subset Ω all the time, thus our contribution is to prove that if the trajectories start within the subset Ω they remain in it. Furthermore, we prove uniform asymptotic stability considering only position and force measurements

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Automatic Control, IEEE Transactions on  (Volume:44 ,  Issue: 7 )