Identification and robust control of DC/DC converters Hammerstein model

Francesco Alonge, Filippo D'Ippolito, Tommaso Cangemi, Filippo D'Ippolito, Tommaso Cangemi, Francesco Alonge

    Risultato della ricerca: Article

    22 Citazioni (Scopus)

    Abstract

    This paper deals with model-based robust control of DC/DC power electronic converters. The converter is described by means of a Hammerstein model consisting of the nonlinear static characteristic of the converter and a LTI uncertain model whose parameters depend on the actual duty-cycle operating range. This suggests to design the controller using robust control techniques. In view of applying robust control, identification of the above LTI models is performed by means of simulation experiments carried out on a converter switching model implemented on MATLAB-SIMULINK environment. Internal Model Control (IMC) structure is employed for the controller design, but its implementation is performed using the equivalent feedback control structure. Comparison with some controllers designed starting from models that do not require identification steps is performed with the aim of showing the advantages connected to the availability of a suitable model, which describes the essential aspects of the behaviour of the system, for control purposes. Comparison with a PI controller designed by means of phase margin assignment is carried out with the aim of justifying the use of more sophisticated control methods. Experimental results are also shown aimed to prove the validity of the whole approach. Comparison of experimental and simulation results is also performed.
    Lingua originaleEnglish
    pagine (da-a)2990-3003
    Numero di pagine14
    RivistaIEEE Transactions on Power Electronics
    Volume23
    Stato di pubblicazionePublished - 2008

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    DC-DC converters
    Robust control
    Identification (control systems)
    Controllers
    Power electronics
    MATLAB
    Feedback control
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    All Science Journal Classification (ASJC) codes

    • Electrical and Electronic Engineering

    Cita questo

    Identification and robust control of DC/DC converters Hammerstein model. / Alonge, Francesco; D'Ippolito, Filippo; Cangemi, Tommaso; D'Ippolito, Filippo; Cangemi, Tommaso; Alonge, Francesco.

    In: IEEE Transactions on Power Electronics, Vol. 23, 2008, pag. 2990-3003.

    Risultato della ricerca: Article

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    AU - Cangemi, Tommaso

    AU - Alonge, Francesco

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