Linear Quadratic Integral Controller Based MPPT Design for Proton Exchange Membrane Fuel Cell
In this paper, in order to keep the system running at an efficient power point, the maximum power point tracking (MPPT) based on the linear quadratic integral (LQI) control is used to drive the boost converter for proton exchange membrane fuel cell (PEMFC). LQI controller is used to control the duty cycle of the chopper in order to achieve MPPT. The characteristics of the approach are its good transition response, low tracking error, very fast system reaction against set point, fuel cell temperature and membrane water content, robustness as well as low complexity. The simulation results show the applicability and effectiveness of the used control for PEMFC.
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