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General Information
    • ISSN: 2010-3719 (Online)
    • Abbreviated Title: Int. J. Inf. Electron. Eng.
    • Frequency: Quarterly
    • DOI: 10.18178/IJIEE
    • Editor-in-Chief: Prof. Chandratilak De Silva Liyanage
    • Executive Editor: Jennifer Zeng
    • Abstracting/ Indexing : Google Scholar, Electronic Journals Library, Crossref and ProQuest,  INSPEC (IET), EBSCO, CNKI.
    • E-mail ijiee@ejournal.net
Editor-in-chief

 
University of Brunei Darussalam, Brunei Darussalam   
" It is a great honor to serve as the editor-in-chief of IJIEE. I'll work together with the editorial team. Hopefully, The value of IJIEE will be well recognized among the readers in the related field."

IJIEE 2012 Vol.2(4): 591-595 ISSN: 2010-3719
DOI: 10.7763/IJIEE.2012.V2.167

Model Predictive Control Based on System Identification of Photovoltaic Grid Connected Inverter

N. Patcharaprakiti, J. Thongpron, K. Kirtikara, D. Chenvidhya, and A. Sangswang

Abstract—This paper proposes a model predictive control of photovoltaic grid-connected inverter based on system identification. The single phase inverter is experimented and its model is determined by using System identification approach with Hammerstein-Wiener model. The derived nonlinear voltage model has accuracy more around 97.34% and it is transformed to the state space model by linearization. A simulation of model based controller uses the discrete time model of inverter to predict the behavior of the output voltage for each possible switching state every sampling time. Then cost function is applied as a criterion for selecting the most suitable switching state for the next sampling interval. The model output is compared with the reference voltage sine wave and the error is feedback to the optimizer. Simulation results shown that the proposed control scheme can achieve the output target with 97% of accuracy.

Index Terms—Model predictive control, system identification, hammerstein – wiener model, grid connected inverter.

N. Patcharaprakiti and J. Thongpron are with the Department of Electricaland Computer, Rajamangala University of Technology Lanna, Chaingrai, Thailand (e-mail: pnopporn@hotmail.com, jatturit@hotmail.com).
K. Kirtikara and D. Chenvidya are with School of Energy, Environmental and Material, King Mongkut’s University of Technology Thonburi, Bangkok, Thailand (e-mail: ikrikara@kmutt.ac.th, dhyrayut@kmutt.ac.th,).
A. Sangswang is with the Electrical Engineering Department, King Mongkut’s University of Technology Thonburi, Bangkok, Thailand (e-mail: sangswang@kmutt.ac.th).

[PDF]

Cite: N. Patcharaprakiti, J. Thongpron, K. Kirtikara, D. Chenvidhya, and A. Sangswang, "Model Predictive Control Based on System Identification of Photovoltaic Grid Connected Inverter," International Journal of Information and Electronics Engineering vol. 2, no. 4, pp. 591-595, 2012.

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