Robust feedback control of combustion instability with modeling uncertainty

Boe Shong Hong, Vigor Yang, Asok Ray

    Research output: Contribution to journalArticle

    42 Citations (Scopus)

    Abstract

    This paper presents the design of a robust feedback controller for suppressing combustion instabilities in propulsion systems with distributed actuators. The control synthesis procedure is based on the H-optimization, which guarantees robust stability and performance within specified uncertainty bounds by taking into account the effects of unmodeled dynamics, sensor noise, and parametric errors. It makes use of an observer structure for robust estimation of combustion dynamics, and an H loop-shaping for performance requirements. Results of simulation experiments are presented to show how longitudinal pressure oscillations can be suppressed in a generic combustion chamber. The closed-loop control system exhibits robust stability and performance in the presence of exogenous disturbances and parametric errors.

    Original languageEnglish (US)
    Pages (from-to)91-106
    Number of pages16
    JournalCombustion and Flame
    Volume120
    Issue number1-2
    DOIs
    StatePublished - Jan 1 2000

    Fingerprint

    combustion stability
    Robust control
    feedback control
    Feedback control
    Closed loop control systems
    Combustion chambers
    Propulsion
    pressure oscillations
    Actuators
    combustion chambers
    propulsion
    Feedback
    Controllers
    controllers
    Sensors
    disturbances
    actuators
    requirements
    optimization
    Experiments

    All Science Journal Classification (ASJC) codes

    • Chemistry(all)
    • Chemical Engineering(all)
    • Fuel Technology
    • Energy Engineering and Power Technology
    • Physics and Astronomy(all)

    Cite this

    Hong, Boe Shong ; Yang, Vigor ; Ray, Asok. / Robust feedback control of combustion instability with modeling uncertainty. In: Combustion and Flame. 2000 ; Vol. 120, No. 1-2. pp. 91-106.
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    Robust feedback control of combustion instability with modeling uncertainty. / Hong, Boe Shong; Yang, Vigor; Ray, Asok.

    In: Combustion and Flame, Vol. 120, No. 1-2, 01.01.2000, p. 91-106.

    Research output: Contribution to journalArticle

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