Dc-Dc converters are massively used for switch mode regulated power supply, renewable energy conversion system and electrical drives. In this paper we have implemented digital PID controller voltage mode control method on the dc-dc buck converter. Digital controller application is considered due to their superiority than the analog converter and due to more reliability. These converters are nonlinear dynamic system, so used in dc-dc converters to reduce errors and simplify compensation. In the digital controller the control strategy can be altered or re-programmed without need of significant hardware changes State Space Averaging (SSA) technique is used for modelling of dc-dc buck converter. The control algorithm is implemented on Digital Signal Processor (DSP). The steady state and dynamic response performance of the controller are demonstrated using MATLAB/Simulink.
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Am a graduate electrical enginner with five years experience in working on such projects and reports. Being an engineer, I also have background knowledge in the topic