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In this paper, we propose a H∞ robust observer-based control DC motor based on a photovoltaic pumping system. Maximum power point tracking is achieved via an algorithm using Perturb and Observe method, with array voltage and current being used to generate the reference voltage which should be the PV panel’s operating voltage to get maximum available power. A Takagi-Sugeno T-S observer has been proposed and designed with non-measurable premise variables and the conditions of stability are given in terms of Linear Matrix Inequality LMI. The simulation results show the effectiveness and robustness of the proposed method.

KEYWORDS

Photovoltaic, Pumping System, Fuzzy Controller, H∞ , Takagi-Sugino TS Fuzzy Model, Observer, Stability, Linear Matrix Inequalities LMIs, Maximum Power Point Tracking MPPT, Unmeasurable Premise Variables

Cite this paper

Ouachani, I. , Rabhi, A. , Hajjaji, A. , Tidhaf, B. and Zouggar, S. 2014 Robust H∞ Observer-Based Tracking Control for the Photovoltaic Pumping System. Energy and Power Engineering, 6, 266-277. doi: 10.4236-epe.2014.69023.





Autor: Iliass Ouachani, Abdelhamid Rabhi, Ahmed El Hajjaji, Belkassem Tidhaf, Smail Zouggar

Fuente: http://www.scirp.org/



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