IOSR Journal of Electrical and Electronics Engineering, 2014
DC-DC converters are widely used in application such as computer peripheral power supplies, car a... more DC-DC converters are widely used in application such as computer peripheral power supplies, car auxiliary power supplies and medical equipment's. Positive output elementary Luo converter performs the conversion from positive source voltage to positive load voltage. Due to the time-varying and switching nature of the power electronic converters, their dynamic behavior is highly non-linear. Conventional controllers are incapable of providing good dynamic performance and hence optimized techniques have been developed to tune the PI parameter. In this work, Particle Swarm Optimization (PSO) is developed for PI optimization. Simulation results show that the performances of PSO-PI controllers are better than those obtained by the classical ZN-PI controller.
The Negative Output Elementary Luo converter is a newly developed DC-DC converter. Due to the tim... more The Negative Output Elementary Luo converter is a newly developed DC-DC converter. Due to the time-varying and switching nature of the above converter, its dynamic behavior becomes highly non-linear. Conventional controllers are incapable of providing good dynamic performance for such a converter and hence optimized techniques have been developed to tune the PI parameters. In this work, Bacterial Foraging (BF) algorithm and Modified Bacterial Foraging (MBF) algorithum are developed for PI optimization. Simulation results show that the performances of BE-PI controller and MBF-PI controller are better than those obtained by the classical ZN-PI controller.
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