Quan Zhu Quan.Zhu@uwe.ac.uk
Professor in Control Systems
Development of omni-directional correlation functions for nonlinear model validation
Zhu, Quan Min; Feng Zhang, Li; Longden, Ashley
Authors
Li Feng Zhang
Ashley Longden
Abstract
In the present study a set of first order correlation functions are proposed to examine the quality of a wide class of identified nonlinear models. The first order correlation functions, defined as omni-directional correlation functions, are integrated into two concise tests to provide more effective auto and cross model error correlation diagnosis than the other approaches proposed from higher order correlation functions. The mechanisms of the novel validity tests are proved in theory and demonstrated with numerical analyses. Two simulated case studies, in the situation of incorrectly detected model structure and estimated parameters, are presented to illustrate the diagnostic power of the new methodology. © 2007 Elsevier Ltd. All rights reserved.
Journal Article Type | Article |
---|---|
Publication Date | Sep 1, 2007 |
Deposit Date | Feb 19, 2013 |
Journal | Automatica |
Print ISSN | 0005-1098 |
Publisher | Elsevier |
Peer Reviewed | Peer Reviewed |
Volume | 43 |
Issue | 9 |
Pages | 1519-1531 |
DOI | https://doi.org/10.1016/j.automatica.2007.02.010 |
Keywords | correlation, model validation, nonlinear systems, dynamical systems, system identification |
Public URL | https://uwe-repository.worktribe.com/output/1034923 |
Publisher URL | http://dx.doi.org/10.1016/j.automatica.2007.02.010 |
Related Public URLs | http://www.journals.elsevier.com/automatica/about-the-journal/ |
Contract Date | Nov 15, 2016 |
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