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This is to reduce the ripple of input and output current, and as a consequence, the output voltage has less ripple. For this reason, the operation of each set of the boost converter connected in parallel is set for working at appropriate degrees. However, when the boost converter works in parallel, it will create a high ripple of input and output voltage. So, it is necessary to have devices that work together in parallel in order to share the burden of increasing need for energies. Thus, devices that work together in parallel are used to serve an increasing need for energies, and using only one boost converter which requires high energy might not be possible. ĭue to the increasing need for energies, at present the use of a single energy transforming set is not enough for serving the purpose. For this reason, it is one of the popular circuits used to increase the voltage for further applications. The boost converter circuit is a circuit that uses less equipment and can raise the voltage. The boost converter is one of the circuits used for increasing voltage. For increasing the voltage, a power electronic circuit is required. This is to make it conform with certain equipment. In general, to bring alternative energies to use, it is necessary to increase or reduce the voltage level before the actual use. It is necessary to find energy from other possible resources, for example, solar energy, wind energy, and fuel energy. IntroductionĬurrently, the need for energy is increasing. As a result, the four-phase interleaved boost converter is regulated by the PI controller tuned gains with PSO which could efficiently maintain the voltage of both levels. Moreover, it is able to maintain the output voltage feedback at a constant level according to the control signal both without load and with load conditions. The response result of the proposed control system tuned gains by PSO is no overshoot and approaches to the steady state better than GA and TS methods. In this paper, there are two conditions of the control system in the test, without load and with load. In experiment, the designed control system is implemented on the DSP board TMS320F28335 with MATLAB/Simulink. The metaheuristic optimizations, particle swarm optimization (PSO), genetic algorithm (GA), and Tabu search (TS) are applied to find the optimal gains for the proposed control system. This article introduces voltage feedback controlling using the PI controller tuned gains by metaheuristic optimizations for a four-phase interleaved boost converter.