On polytopic approximations of systems with time-varying input delays

R.H. Gielen, S. Olaru, M. Lazar

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Abstract

Networked control systems (NCS) have recently received an increasing attention from the control systems community. One of the major problems in NCS is how to model the highly nonlinear terms caused by uncertain delays such as time-varying input delays. A straightforward solution is to employ polytopic approximations. In this paper we develop a novel method for creating discrete-time models for systems with time-varying input delays based on polytopic approximations. The proposed method is compared to several other existing approaches in terms of quality, complexity and scalability. Furthermore, its suitability for model predictive control is demonstrated.
Original languageEnglish
Title of host publicationNonlinear model predictive control : towards new challenging applications
EditorsL. Magni, D.M. Raimondo, F. Allgoewer
Place of PublicationBerlin
PublisherSpringer
Pages225-233
Number of pages8
ISBN (Print)978-3-642-01094-1
DOIs
Publication statusPublished - 2009

Publication series

NameLecture Notes in Control and Information Sciences
Volume384
ISSN (Print)0170-8643

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Gielen, R. H., Olaru, S., & Lazar, M. (2009). On polytopic approximations of systems with time-varying input delays. In L. Magni, D. M. Raimondo, & F. Allgoewer (Eds.), Nonlinear model predictive control : towards new challenging applications (pp. 225-233). (Lecture Notes in Control and Information Sciences; Vol. 384). Berlin: Springer. https://doi.org/10.1007/978-3-642-01094-1_18