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  • Model-free subspace-based control scheme for grid-connected voltage source inverters

    Author(s)
    Chen, Jianmin
    Yang, Fuwen
    Han, Qing-Long
    Griffith University Author(s)
    Han, Qing-Long
    Yang, Fuwen
    Year published
    2012
    Metadata
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    Abstract
    In this paper, both model-free subspace-based LQG control and H∞ control schemes are used to investigate the tracking control performance and robustness of grid-connected voltage source inverters (VSIs). The proposed approaches do not require any identification or other modeling process. The controller can be directly derived from the experimental inputs/outputs measurements. Both the subspace-based LQG controller and H∞ controller are recursively designed. Simulation results show subspace-based LQG controller has a better tracking control performance than subspace-based H∞ controller, whereas, H∞ controller has stronger ...
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    In this paper, both model-free subspace-based LQG control and H∞ control schemes are used to investigate the tracking control performance and robustness of grid-connected voltage source inverters (VSIs). The proposed approaches do not require any identification or other modeling process. The controller can be directly derived from the experimental inputs/outputs measurements. Both the subspace-based LQG controller and H∞ controller are recursively designed. Simulation results show subspace-based LQG controller has a better tracking control performance than subspace-based H∞ controller, whereas, H∞ controller has stronger robustness than LQG controller.
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    Conference Title
    PROCEEDINGS OF THE 10TH WORLD CONGRESS ON INTELLIGENT CONTROL AND AUTOMATION (WCICA 2012)
    DOI
    https://doi.org/10.1109/WCICA.2012.6358325
    Subject
    Electrical and Electronic Engineering not elsewhere classified
    Publication URI
    http://hdl.handle.net/10072/338846
    Collection
    • Conference outputs

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