Abstract
Abstract: Single-Ended Primary Inductor Converter (SEPIC) is widely used in battery charging of renewable energy and electric/hybrid vehicles due to its output gains range flexibility,less complex switching design, providing an isolation by capacitor and producing non-inverted output. This project presents a modified PID controller to obtain excellent dynamic performance with zero steady-state error. The controller design is discussed and built in discrete model simulation on MatlabSimulink. The effectiveness of the proposed modified PID control strategy is tested for the transient cases in step-changed reference voltage, and varying input voltages. The results show the proposed controller can reach zero steady-state error and produce lower ripple in voltage.
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