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Identification of multi-input systems using simultaneous perturbation by pseudorandom input signals
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Tan, Ai Hui, Godfrey, Keith R. and Barker, H. Anthony (2015) Identification of multi-input systems using simultaneous perturbation by pseudorandom input signals. IET Control Theory & Applications, 9 (15). pp. 2283-2292. doi:10.1049/iet-cta.2014.0795 ISSN 1751-8644.
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Official URL: http://dx.doi.org/10.1049/iet-cta.2014.0795
Abstract
This study describes how sets of spectrally independent and uncorrelated pseudorandom perturbation signals created by a freely available MATLAB program may be used to simultaneously perturb the inputs of multi-input systems to facilitate their identification. It is shown that with appropriate choices of signals with periods N, N/2, N/4 and so on, the signals in a set have no common harmonics over the common period N, and that a very large number of sets are available in the program. The ways in which these signals may be applied is described and illustrated by two application examples.
Item Type: | Journal Article | ||||||
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Divisions: | Faculty of Science, Engineering and Medicine > Engineering > Engineering | ||||||
Journal or Publication Title: | IET Control Theory & Applications | ||||||
Publisher: | The Institution of Engineering and Technology | ||||||
ISSN: | 1751-8644 | ||||||
Official Date: | 23 July 2015 | ||||||
Dates: |
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Volume: | 9 | ||||||
Number: | 15 | ||||||
Page Range: | pp. 2283-2292 | ||||||
DOI: | 10.1049/iet-cta.2014.0795 | ||||||
Status: | Peer Reviewed | ||||||
Publication Status: | Published | ||||||
Access rights to Published version: | Restricted or Subscription Access | ||||||
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