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Funnel control with saturation: Nonlinear SISO systems


Reference:

Hopfe, N., Ilchmann, A. and Ryan, E. P., 2010. Funnel control with saturation: Nonlinear SISO systems. IEEE Transactions on Automatic Control, 55 (9), pp. 2177-2182.

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Official URL:

http://dx.doi.org/10.1109/TAC.2010.2051735

Abstract

Tracking-by the system output-of a reference signal (assumed bounded with essentially bounded derivative) is considered in the context of a class of nonlinear, single-input, single-output systems modelled by functional differential equations and subject to input saturation. Prespecified is a parameterized performance funnel within which the tracking error is required to evolve; transient and asymptotic behaviour of the tracking error is influenced through choice of parameter values which define the funnel. The control structure is a saturating error feedback with time-varying nonmonotone gain designed to evolve in such a way as to preclude contact with the funnel boundary. A feasibility condition-for mulated in bounds of the plant data, the saturation bound, the funnel data, the reference signal, and the initial data-is presented under which the tracking objective is achieved, whilst maintaining boundedness of the state and gain function.

Details

Item Type Articles
CreatorsHopfe, N., Ilchmann, A. and Ryan, E. P.
DOI10.1109/TAC.2010.2051735
DepartmentsFaculty of Science > Mathematical Sciences
RefereedYes
StatusPublished
ID Code21096

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