In this paper, we propose a H? robust observer-based control DC motor based on a photovoltaic\npumping system. Maximum power point tracking is achieved via an algorithm using Perturb and\nObserve method, with array voltage and current being used to generate the reference voltage\nwhich should be the PV panel�s operating voltage to get maximum available power. A Takagi-\nSugeno (T-S) observer has been proposed and designed with non-measurable premise variables\nand the conditions of stability are given in terms of Linear Matrix Inequality (LMI). The simulation\nresults show the effectiveness and robustness of the proposed method.
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