Rudwan Abdullah
A new RBF neural network based non-linear self-tuning pole-zero placement controller
Abdullah, Rudwan; Hussain, Amir; Zayed, Ali
Abstract
In this paper a new self-tuning controller algorithm for non-linear dynamical systems has been derived using the Radial Basis Function Neural Network (RBF). In the proposed controller, the unknown non-linear plant is represented by an equivalent model consisting of a linear time-varying sub-model plus a non-linear sub-model. The parameters of the linear sub-model are identified by a recursive least squares algorithm with a directional forgetting factor, whereas the unknown non-linear sub-model is modelled using the (RBF) network resulting in a new non-linear controller with a generalised minimum variance performance index. In addition, the proposed controller overcomes the shortcomings of other linear designs and provides an adaptive mechanism which ensures that both the closed-loop poles and zeros are placed at their pre-specified positions. Example simulation results using a non-linear plant model demonstrate the effectiveness of the proposed controller.
Presentation Conference Type | Conference Paper (Published) |
---|---|
Conference Name | ICANN 2005: International Conference on Artificial Neural Networks |
Start Date | Sep 11, 2005 |
End Date | Sep 15, 2005 |
Publication Date | 2005 |
Deposit Date | Oct 17, 2019 |
Publisher | Springer |
Pages | 351-357 |
Series Title | Lecture Notes in Computer Science |
Series Number | 3697 |
Series ISSN | 0302-9743 |
Book Title | Artificial Neural Networks: Formal Models and Their Applications – ICANN 2005 15th International Conference, Warsaw, Poland, September 11-15, 2005. Proceedings, Part II |
ISBN | 978-3-540-28755-1 |
DOI | https://doi.org/10.1007/11550907_56 |
Keywords | Radial Basis Function Neural Network (RBF); self-tuning controller algorithm; non-linear dynamical systems |
Public URL | http://researchrepository.napier.ac.uk/Output/1793653 |
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