Abstract
In this paper, a distributed synchronization control scheme is proposed for a group of robotic manipulators with non-identical dynamics and model uncertainties subject to time-varying communication delays. By using the nonlinear H∞ control strategy, a dynamic distributed control law is developed to achieve synchronous tracking of networked robots in the joint space. Solving differential inequalities for obtaining controller parameters is a complicated task that is encountered in the nonlinear H∞ control framework, and the main feature of the suggested approach is that the parameters of the controller are found by checking the feasibility of a set of matrix inequalities. The proposed control method is implemented via simulation and its applicability is verified by illustrative results.
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