Title
Nonparametric estimation of the best linear time-invariant approximation of a linear time-varying system Nonparametric estimation of the best linear time-invariant approximation of a linear time-varying system
Author
Faculty/Department
Faculty of Applied Engineering Sciences
Publication type
conferenceObject
Publication
New York, N.Y. :IEEE, [*]
Subject
Engineering sciences. Technology
Source (book)
52nd IEEE Annual Conference on Decision and Control (CDC), Dec 10-13, 2013, Florence, Italy
ISSN
0191-2216
ISBN - Hoofdstuk
978-1-4673-5717-3
ISI
000352223506094
Carrier
E
Target language
English (eng)
Abstract
Nonparametric frequency response function (FRF) estimates are a standard tool to get quickly insight into the dynamic behavior of complex systems. However, in quite some applications the time-invariance assumption is not exactly met. Therefore, it is important to detect and quantify the deviation from the ideal time-invariant framework that is inherent to the concept of an FRF. In this paper we present a new (direct) method for estimating the best linear time-invariant approximation of a linear time-variant system, and compare it with an existing indirect approach.
E-info
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