The problem of controller design for constrained robots with the consideration of computational efficiency is addressed. An efficient adaptive variable structure control algorithm based on a reduced dynamics formulation, is presented for trajectory tracking of an end-effector on a constrained surface with specified constraint forces. It is shown that the objective can be achieved without exact knowledge of robot dynamics and on-line calculation of nonlinear dynamic functions. The control algorithm is constructed with at most three control parameters to be adjusted adaptively, and that number is determined independently of the number of degrees of freedom of the robotic manipulators. A numerical example is presented to illustrate the developed method.<>
Adaptive variable structure tracking control for constrained robots
IEEE Transactions on Aerospace and Electronic Systems ; 30 , 2 ; 493-503
1994-04-01
780756 byte
Aufsatz (Zeitschrift)
Elektronische Ressource
Englisch
Adaptive Variable Structure Tracking Control for Constrained Robots
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