Object-oriented creation of input signals for system identification

Barker, H. Anthony and Tan, Ai Hui and Godfrey, Keith R. (2014) Object-oriented creation of input signals for system identification. IET Control Theory & Applications, 8 (10). pp. 821-829. ISSN 1751-8644

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Abstract

This study describes how a very large number of deterministic input signals for system identification may be created by object-oriented methods. The concepts of aggregation and inheritance, combined with the properties of m-sequences, are utilised to develop two new methods for the creation of pseudorandom perturbation signals with ideal spectral properties, two, three, five or seven levels and a very wide range of periods. The available signal levels ensure that the signals are suitable for both linear and non-linear system identification and the availability of a large number of signal periods ensures that the signals are suitable for both single and multi-input system identification. The methods are described in detail and illustrated by examples, together with their implementation in the open environment of an efficient, user-friendly and freely available Matlab program which provides third-party software to complement existing Matlab Identification Toolboxes.

Item Type: Article
Subjects: T Technology > TA Engineering (General). Civil engineering (General)
Divisions: Faculty of Engineering (FOE)
Depositing User: Ms Nurul Iqtiani Ahmad
Date Deposited: 15 Aug 2014 08:57
Last Modified: 15 Aug 2014 08:57
URI: http://shdl.mmu.edu.my/id/eprint/5677

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