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This paper proposes the analysis and design of robust fuzzy control to nonlinear systems with time delay. The nonlinear system to be controlled, is studied in the context of Linear Parameters Varying (LPV) systems, it is partitioned into several linear sub-models of second order with time delay, in terms of transfer function, forming a convex polytope. Once defined the linear sub-models of the plant,...
Adaptive observer design procedure is proposed for nonlinear locally Lipschitz systems. Possible presence of disturbances is taken into account. The solution is based on logic-based control approach applicable to nonlinear systems with bounded solutions. Efficacy of the proposed observer is demonstrated by computer simulation for a mechanical oscillating system.
In this paper we study the global robust output regulation problem for a class of nonlinear systems by output feedback control. The class of systems possesses nonlinear zero-dynamics and, is thus considerably larger than systems studied in the existing literature. As an illustration of our approach, we have applied our approach to the global robust asymptotic tracking problem of the hyperchaotic Lorenz...
The inverted pendulum is a unstable non-minimum-phase plant, Hinfin output feedback control of the system is far less robust. The difficulties of control of such a plant are analysed from the viewpoint of systempsilas bandwidth: the bandwidth for control of a non-minimum-phase plant must be narrow, and the control of an unstable plant need a rather wider bandwidth. It is pointed out that a fast feedback...
Performance measures for a class of nonlinear discrete-time system are defined in terms of the eigenvalues and the eigenvectors of the linearized system matrix and an interactive computer-aided design of controller parameters is given. The overshoot and the speed of response are the parameters of an exponential envelope constraining the norm of the states under initial condition perturbations. The...
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