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In this paper an artificial neural network, which realizes a nonlinear adaptive control al-gorithm, has been applied in a control system of variable speed generating system. The speed is adjusted automatically as a function of load power demand. The controller employs a single layer neural network to estimate the unknown plant nonlinearities online. Optimization of the controller is difficult because the plant is nonlinear and no stationary. Furthermore, it deals with the situation where the plant becomes uncontrollable without any restrictive assumptions. In contrast to previous work [1] on the same subject, the number of neural networks has been reduced to only one network. The number of the neurons in a network structure as well as choosing certain design parameters was specified a priori. The computer test results have been presented to show performance of proposed neural controller.
Słowa kluczowe
Rocznik
Tom
Strony
335--340
Opis fizyczny
Bibliogr. 19 poz., 9 rys.
Twórcy
autor
autor
- Institute of Control and Industrial Electronics, Department of Electrical Engineering, Warsaw University of Technology. 75 Koszykowa St., 00-662 Warsaw, Poland, lmg@isep.pw.edu.pl
Bibliografia
- [1] L. M. Grzesiakand and J. Sobolewski, “Model reference neural controller for converter based electrical energy source with adjustable speed internal combustion engine”, Electrotechnical Review 1, 20–25, (2005), (in Polish).
- [2] N.K. Treadgold and T. D. Gedeon, “The SARPROP algorithm: a simulated annealing enhancement to resilient back propagation”, Proceedings International Panel Conference on Soft and Intelligent Computing, Budapest, 293–298 (1996).
- [3] K.J. Hunt and D. Sbarbaro, “Studies in neural network based control”, IEEE Control Engineering Series 46, 94–122 (1992).
- [4] D. Rumelhart, G. Hinton, and R. Williams, “Learning internal representations by error propagation”, in Parallel Distributed Processing, pp. 318–362, Cambridge: MIT Press, 1986.
- [5] P.P. Kanjilal, “Adaptive prediction and predictive control”, IEEE Control Engineering Series 52, 278–282 (1995).
- [6] J. Korbicz, A. Obuchowicz, and D. Uci´nski, Artificial neural networks, the basics and applications, Warsaw, 1994, (in Polish).
- [7] L.M. Grzesiak and J. Sobolewski, “Converter based electrical energy source with combustion engine, controlled by using the neural voltage regulator”, Electrotechnical Review 3, 245–251 (2004), (in Polish).
- [8] L.M. Grzesiak, W. Koczara, and M. Da Ponte, “Load-adaptive variable-speed electricity generating system - behaviour analyse of dynamic”, 8th European Conference on Power Electronics and Applications, EPE’99, Lausanne, 1–8 (1999).
- [9] J. Al-Tayie, R. Seliga, N. Al-Khayat, and W. Koczara, “Steady state and transient performances of new variable speed generating set”, 10th European Conference on Power Electronics and Applications EPE’03, Toulouse, (2003).
- [10] L.M. Grzesiak, W. Koczara, and M.Da Ponte, “Novel hybrid load-adaptive variable-speed generating system”, Proceedings IEEE International Symposium on Industrial Electronics ISIE’98, Pretoria, South Africa, 271–276 (1998).
- [11] L.A. Gould, W.R. Markey, K.K. Roberge, and D.L. Trumper, Control Systems Theory, Cambridge, 1997.
- [12] D. Wyszomierski, On-Line Trained Neural-Network-Based Speed Controller for AC Motor Drive, Ph.D. Dissertation, WPW, 2003, (in Polish).
- [13] Q. Lu, Y. Sun, and S. Mei, Nonlinear Control Systems and Power System Dynamics, Kulwer Academic Publishers, 2001.
- [14] O. Omidvar and D. Elliott, Neural Systems for Control, Boston, 1997.
- [15] M. Riedmiller and H. Braun, “A direct adaptive method for faster backpropagation learning: The Rprop algorithm”, Proceedings of the IEEE International Conference on Neural Networks, 586–591 (1993).
- [16] M. Riedmiller, “Advanced supervised learning in multi-layer perceptrons - from backpropagation to adaptive learning algorithms”, Computer Standards and Interfaces 16, 256–278 (1994).
- [17] S.E. Fahlman, Faster-learning Variations on Backpropagation: An Empirical Study, San Mateo, 1988.
- [18] C. Igel and M. Hüsken, “Improving the rprop learning algorithm”, Proceedings of the Second International Symposium on Neural Computation NC’2000, 115–121 (2000).
- [19] Using Simulink and Stateflow in Automotive Applications, The MathWorks Inc., 1998.
Typ dokumentu
Bibliografia
Identyfikator YADDA
bwmeta1.element.baztech-article-BPG5-0014-0091