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Previous efforts in bilateral time-delay teleoperation have mainly yielded control algorithms that sacrifice performance in order to guarantee robust stability. This paper proposes a provably stable adaptive predictive controller for teleoperation systems with communication delay. The method uses the model and delay information and can adapt to uncertainties in user and environment dynamics in order...
We present a methodology for analyzing robust independent-of-delay and delay-dependent stability of equilibria of systems described by nonlinear Delay Differential Equations by algorithmically constructing appropriate Lyapunov-Krasovskii functionals using the sum of squares decomposition of multivariate polynomials and semidefinite programming. We illustrate the methodology using an example from population...
A linear matrix inequality (LMI) approach to robust stability for a class of general Lurie indirect type control systems with time delay and norm-bounded parameter uncertainty is developed. Based on Lyapunov stability theory, some new delay-dependent robust absolute stability criteria are derived by introducing some free-weighting matrices. Numerical example is presented to illustrate the effectiveness...
In this paper, the stability problem of perturbed discrete dynamic interval systems with time delay is considered, By using the properties of spectral radius and Lyapunov's stability theory, some sufficient conditions are obtained which guarantee the robust stability of the perturbed discrete-delay dynamic interval systems. These conditions possess simple forms and provide useful tools to check stability...
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