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Experimental verification of best linear approximation of a wiener system for binary excitations
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Wong, Hin Kwan, Schoukens, Johan and Godfrey, Keith R. (2012) Experimental verification of best linear approximation of a wiener system for binary excitations. In: UKACC International Conference on Control 2012 , Cardiff, UK, 3-5 Sep 2012. Published in: 2012 UKACC International Conference onControl (CONTROL) pp. 941-946. ISBN 9781467315609. doi:10.1109/CONTROL.2012.6334758
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Official URL: http://dx.doi.org/10.1109/CONTROL.2012.6334758
Abstract
The Best Linear Approximation (BLA) is a linearisation
of the transfer characteristics of a nonlinear system in
a least squares sense. The BLA is known to depend on the
statistical properties of the input signal used to identify it. The
theory for Gaussian input sequences has been known for several
years, but the corresponding theory for binary input sequences
has only recently been developed. In this paper, experiments on
a physical electronic Wiener system, aimed at verification of
predictions made for the differences between BLA’s estimated
using Gaussian sequences and those estimated using binary
sequences, are described. The results were found to be a good
match with the theory but difficulties encountered during the
experiment highlight a need for further work in extending the
discrete-time theory to the continuous-time domain.
Item Type: | Conference Item (Paper) | ||||
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Divisions: | Faculty of Science, Engineering and Medicine > Engineering > Engineering | ||||
Journal or Publication Title: | 2012 UKACC International Conference onControl (CONTROL) | ||||
Publisher: | IEEE | ||||
ISBN: | 9781467315609 | ||||
Book Title: | Proceedings of 2012 UKACC International Conference on Control | ||||
Official Date: | 2012 | ||||
Dates: |
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Page Range: | pp. 941-946 | ||||
DOI: | 10.1109/CONTROL.2012.6334758 | ||||
Status: | Peer Reviewed | ||||
Publication Status: | Published | ||||
Conference Paper Type: | Paper | ||||
Title of Event: | UKACC International Conference on Control 2012 | ||||
Type of Event: | Conference | ||||
Location of Event: | Cardiff, UK | ||||
Date(s) of Event: | 3-5 Sep 2012 | ||||
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