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.
Alonge, F., Rabbeni, R., Pucci, M., Vitale, G. (2015). Identification and Robust Control of a Quadratic DC/DC Boost Converter by Hammerstein Model. IEEE TRANSACTIONS ON INDUSTRY APPLICATIONS, 51(5), 3975-3985 [10.1109/TIA.2015.2416154].
Identification and Robust Control of a Quadratic DC/DC Boost Converter by Hammerstein Model
ALONGE, Francesco;Rabbeni, Roberto;
2015-01-01
Abstract
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.File | Dimensione | Formato | |
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