Journal
IEEE TRANSACTIONS ON INDUSTRY APPLICATIONS
Volume 51, Issue 5, Pages 3975-3985Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/TIA.2015.2416154
Keywords
Hammerstein identification; quadratic dc/dc boost (Q-boost) converter; robust control; sensitivity analysis
Funding
- RITmare, Ricerca ITaliana per il mare (Italian Research for the sea) [CUP: B91J11000740001]
- TESEO, Tecnologie ad alta Efficienza per la Sostenibilita Energetica ed ambientale On-board (High efficiency technologies for on-board energy and environmental sustainability) [CUP: B61C12000850005]
- CNR per il Mezzogiorno (Advanced Technologies for Energy Efficiency and Sustainable Mobility) [CUP: B51J10001290001]
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This paper deals with the theoretical framework definition and the experimental application of the Hammerstein (HM) identification and related robust control technique to a quadratic dc/dc single-switch boost (Q-boost) converter. A set of fourth-order transfer functions (TFs) has been identified with the Hammerstein approach, on the basis of a pseudorandom-binary-sequence (PRBS) excitation signal. The set of identified TFs has been then used to design a suitable robust control technique, able to properly deal with the converter parameter uncertainty and load variations. The proposed approach has been tested in numerical simulation and validated experimentally on a suitably developed test set-up. It has been further compared with a classic proportional-integral (PI) controller.
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