Journal of Electrical Engineering : Volume 18 / 2018 - Edition : 4

DESIGN OF STATE FEEDBACK CONTROLLER FOR POSITIVE OUTPUT ELEMENTARY SUPER-LIFT DC-DC LUO CONVERTER FOR LOW POWER APPLICATIONS

Authors:
UMAMAHESWARI M G
Domain:
power electronics
Abstract:
This paper focuses on modeling, simulation and hardware implementation of Positive Output Elementary Super-Lift (POESL) DC-DC Luo converter based on State Feedback Controller (SFC) for low power applications. POESL DC-DC Luo converters are widely used due to their simpler design, high voltage transfer gain, ease of use and cost effectiveness. In POESLDC-DC Luo converter, the output voltage is enhanced stage by stage in arithmetic progression. To increase the dynamic response and to accomplish voltage regulation against load and line fluctuations, a closed loop control technique is realized by using SFC. Extensive simulation studies are carried out by using MATLAB/ SIMULINK software tool. An experimental prototype model controlled by C2000 Piccolo TMS320F28027 MCU Digital controller is set up. Simulation results are validated with the experimental results. Results reveal that the proposed SFC based POESL DC-DC Luo converter can offer constant output voltage for wide line, load variations and can also accomplish servo operation effectively.
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