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This paper describes a bilateral control of nonlinear teleoperation with time varying communication delay. The proposed method are simple PD-type controllers which are independent of the rate of time delay change and depend on the upper bound of round-trip delay. The proposed control strategy is independent of parameter uncertainties of the model of the robots and the operator and remote environment. The delay-dependent stability of the origin is shown via Lyapunov stability theorem. Furthermore the proposed strategy also achieves master-slave position coordination and bilateral static force reflection. Several experimental results with wireless communication and the Internet show the effectiveness of our proposed strategy.
Date of Conference: 15-18 Dec. 2009