Identification of the model of a DC engine through graphic methods and parametric methods

Authors

DOI:

https://doi.org/10.26423/rctu.v4i2.227

Keywords:

Identification of systems, graphic method, pure first order method, ARX method

Abstract

This article presents the study to obtain the model of an engine-generator system (plant), we use graphical or parametric methods that will serve as tools to represent said system in a mathematical way. The signs were acquired through a DAQ system behavior before a step and PRBS signal, the data was processed through MATLAB software and IDENT toolbox, where through selection criteria described subsequently obtained an ARX model. The techniques studied were: parametric identification with the application of a PRBS signal and ARX model structure and non-parametric identification with the application of graphic methods. Then a comparison is made between the actual data with the different methods applied and it is obtained that the answers are very similar. The identification of systems serves to construct mathematical models of dynamic systems based on observed data, which has a set of techniques to build a process.

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References

Cristian Kunusch, “Identificación de Sistemas Dinámicos”, Facultad de Ingeniería –Dpto. Electrotecnia, Universidad Nacional de la Plata, 2003.

Ljung, Lennart,“System identification”, John Wiley & Sons, Inc., 1999.

Santiago Garrido, “Identificación, Estimación y Control de Sistemas No-lineales mediante RGO”, Departamento de Ingeniería de Sistemas y Automática, Universidad Carlos III de Madrid, Leganés, 1999.

Dr. Eliezer Colina, “Cátedra de Identificación de Sistemas”, Maestría de Control y Automatización Industrial, Universidad Politécnica Salesiana Sede Cuenca, Febrero 2015

ÁngelMartínezBueno, “Identificaciónexperimental de sistemas”, Sistemas de Control BuenoAutomático, Universidad de Alicante, 2011-GITE-IEA.Dr. Pedro Arafet Padilla, Dr. Francisco Chang Mumañ, MSc. Miguel Torres Alberto, MSc. Hugo Dominguez Abreu, “Métodos de Identificación dinámica”, Facultad de Ingeniería Eléctrica, Universidad de Oriente, Junio 2008.

Dr. Ismael Minchala, “Cátedra de Identificación de Sistemas-Sesión 1”, Maestría de Control y Automatización Industrial, Universidad Politécnica Salesiana Sede Cuenca, Febrero 2015.

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Published

2017-07-03

Issue

Section

Original Articles

How to Cite

Identification of the model of a DC engine through graphic methods and parametric methods. (2017). UPSE Scientific and Technological Magazine, 4(2), 68-77. https://doi.org/10.26423/rctu.v4i2.227