Publicación: PID CONTROL STRATEGIES COMPARISON WITH GAIN SCHEDULE AND STATES FEEDBACK IN A BUCK- BOOST CONVERTER
Fecha
2019
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2018 IEEE INTERNATIONAL CONFERENCE ON AUTOMATION/XXIII
Resumen
THIS PAPER PRESENTS THE COMPARISON BETWEEN THREE CONTROL STRATEGIES: A PID BASED CONTROL, THE GAINS SCHEDULE PID BASED CONTROL AND A COMBINATION OF PID AND STATES FEEDBACK BASED CONTROL FOR A DC-DC POWER CONVERTER. THE DC-DC CONVERTER IS USUALLY EMPLOYED ON RENEWABLES ENERGIES TO PUMP THE VOLTAGE UP TO STANDARD VALUES ON THE GRID COUPLE POINT, WHICH IN THE CASE OF CHILE IS 220V RMS AND 50HZ; OR TO BE USED ON VOLTAGE REGULATORS, WHICH NEEDS TO MAINTAIN THE VOLTAGE TRACKING A REFERENCE INDEPENDENTLY OF THE INPUT VOLTAGE SUPPLY. THE MAIN OBJECTIVE IS TO ACHIEVE CONTROLLABLE SYSTEM INTO THE WHOLE POWER CONVERTER OPERATING REGION, WITH SIMILAR DYNAMIC RESPONSES. TO CORROBORATE THE MATHEMATICAL STUDY AND THE PROPOSED DESIGN, SIMULATIONS TESTS WERE PERFORMED IN SIMULINK/MATLAB ENVIRONMENT SHOWING EVERY STRATEGY STRENGTHS TO FAIRLY COMPARE THE RESULTS UNDER DISTURBANCES AND REFERENCES CHANGES.
