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Model order reduction method for sampled-data Lur'e-type systems: a Laplace and z-domain approach

Haba, Tamás and Budai, Csaba (2024) Model order reduction method for sampled-data Lur'e-type systems: a Laplace and z-domain approach. In: 11th European Nonlinear Dynamics Conference, ENOC 2024, 2024.07.22-2024.07.26, Delft.

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Abstract

This work presents a model order reduction technique in case when a discrete-time control law is applied to a Lur'e-type system, i.e., to a linear dynamical system with a nonlinear feedback component. It is shown that the Laplace and z-transform of the piecewise-continuous response functions can be determined analytically, which allows model order reduction to be performed on the linear component of the closed control loop. Simulations of a balancing problem verify that the proposed method can accurately model the sampling-related complex vibration phenomena and also the nonlinear characteristics of the system.

Item Type: Conference or Workshop Item (Lecture)
Subjects: T Technology / alkalmazott, műszaki tudományok > TJ Mechanical engineering and machinery / gépészmérnöki tudományok
SWORD Depositor: MTMT SWORD
Depositing User: MTMT SWORD
Date Deposited: 07 Oct 2024 06:44
Last Modified: 07 Oct 2024 06:44
URI: https://real.mtak.hu/id/eprint/206887

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