Predictive control of buck converter using nonlinear output capacitor current programming

Victor Sui Pung Cheung, Henry Shu Hung Chung, Huai Wang

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

    4 Scopus citations

    Abstract

    A predictive control of buck converter to achieve fast transient response is presented. The methodology is based on using the output capacitor current and instantaneous output voltage to predict the output voltage at the end and mid of a switching cycle to determine the state of the main switch. Two switching criteria, one for switching on and one for switching off the main switch, will be formulated. The operating principles of the control method and all possible cases in the operation will be discussed. The proposed control method has been verified with experimental results of a 50W, 12V/5V buck converter prototype. The controller is realized by analogue devices. The steady-state and transient response to large-signal disturbances will be discussed.

    Original languageBritish English
    Title of host publicationAPEC 2010 - 25th Annual IEEE Applied Power Electronics Conference and Exposition
    Pages491-498
    Number of pages8
    DOIs
    StatePublished - 2010
    Event25th Annual IEEE Applied Power Electronics Conference and Exposition, APEC 2010 - Palm Springs, CA, United States
    Duration: 21 Feb 201025 Feb 2010

    Publication series

    NameConference Proceedings - IEEE Applied Power Electronics Conference and Exposition - APEC

    Conference

    Conference25th Annual IEEE Applied Power Electronics Conference and Exposition, APEC 2010
    Country/TerritoryUnited States
    CityPalm Springs, CA
    Period21/02/1025/02/10

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