IET Control Theory and Applications, Volume (12), No (14), Year (2018-12) , Pages (1964-1973)

Title : ( Identification of continuous‐time switched linear systems from low‐rate sampled data )

Authors: Hadi Keshvari , Ali Karimpour , Naser Pariz ,

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Abstract

This study is about the identification problem of continuous-time switched linear systems from low-rate sampled data. The main problem in the identification of such systems, when the sampling rate is low, is that the sampling instances do not coincide with the switching times. Therefore, some of the measured samples are generated from more than one subsystem. This problem was first observed during the sampling of a step-up DC–DC converter at the rate of 100 kHz. The current study aims to explain the theoretical aspects of the identification problem of continuous-time switched linear systems, and to offer a new method for estimating of subsystem parameters plus the switching times. The proposed method accurately determines the switching times which might be between two consecutive sampling instances. The results obtained from the proposed method are used to determine the switching times and parameters of an experimental DC–DC boost converter.

Keywords

, sampled data systems, linear systems, continuous time systems, parameter estimation, DC-DC power convertors
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@article{paperid:1068921,
author = {Keshvari, Hadi and Karimpour, Ali and Pariz, Naser},
title = {Identification of continuous‐time switched linear systems from low‐rate sampled data},
journal = {IET Control Theory and Applications},
year = {2018},
volume = {12},
number = {14},
month = {December},
issn = {1751-8644},
pages = {1964--1973},
numpages = {9},
keywords = {sampled data systems; linear systems; continuous time systems; parameter estimation; DC-DC power convertors},
}

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%0 Journal Article
%T Identification of continuous‐time switched linear systems from low‐rate sampled data
%A Keshvari, Hadi
%A Karimpour, Ali
%A Pariz, Naser
%J IET Control Theory and Applications
%@ 1751-8644
%D 2018

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