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Output feedback nonlinear controller is to regulate the output voltage of the buck-boost converter. The bilinear model of the converter is considered for both observer and controller design. A luenberger-like observer is designed to estimate the inductor current from the output voltage while a nonlinear state feedback controller is designed based on the Lyapunov technique. The closed-loop controller together with observer is evaluated through both numerical simulations and experimental results.

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Current Position:Electrical Engineer.Bachelor´s degree,Jawaharlal Nehru Technological University,Hyderabad, India(Electricaland Electronics Engineering),2009.Master´s degree,National Institute of Technology, Tiruchirapalli,India (Power Electronics),2011Field Work:JBF RAK LLC, September 2011 to March 2013.JBF Bahrain SPC, March 2013 to present

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