Adaptive feed-forward cancellation control of a full-bridge dc-ac voltage inverter

Shane Malo, Robert Grino

    Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

    15 Citations (Scopus)

    Abstract

    Dc-ac inverters are needed in many applications. The full-bridge dc-ac inverter has been widely used in industry applications and trough the literature. If the nature of the load is not known a priori, some considerations should be taken in order to assure the quality of service to be provided by the inverter. When nonlinear loads are fed by a full-bridge dc-ac inverter, odd harmonics of the fundamental ac frequency are introduced into the output voltage shape. For the purpose of producing a good sinusoidal output voltage signal, the control strategy must be able to reject periodic output disturbances. Adaptive Feed-forward Cancellation (AFC) is a control technique that has been successfully used to selectively reject periodic output disturbances in continuous-time mechanical systems. This paper deals with the use of AFC to control the output voltage of an electrical system, in this case, a dc-ac full-bridge inverter, to produce a standard European ac voltage signal, 230 Vrms and 50 Hz, accomplishing the design of the controller directly in the z-domain.

    Original languageEnglish
    Title of host publicationProceedings of the 17th World Congress, International Federation of Automatic Control, IFAC
    Edition1 PART 1
    DOIs
    Publication statusPublished - 2008
    Event17th World Congress, International Federation of Automatic Control, IFAC - Seoul, Korea, Republic of
    Duration: 6 Jul 200811 Jul 2008

    Publication series

    NameIFAC Proceedings Volumes (IFAC-PapersOnline)
    Number1 PART 1
    Volume17
    ISSN (Print)1474-6670

    Conference

    Conference17th World Congress, International Federation of Automatic Control, IFAC
    Country/TerritoryKorea, Republic of
    CitySeoul
    Period6/07/0811/07/08

    Keywords

    • Modeling, operation and control of power systems

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