A multi-input, multi-output scheme based on sliding-mode control and a new switching logic is proposed for setpoint tracking in aeroengines subject to output constraints. The strategy extends existing results based on single-input sliding-mode regulators with min–max switching logic to the multi-input case, attempting to make full use of available control actuators for enhanced performance. A multivariable sliding-mode controller is used as the nominal regulator, and a set of single-input sliding regulators with min–max selection logic is included to protect limits when necessary. Further, an innovative predictor-based switching logic is applied to monitor the process and to govern the transitions between the main regulator and the limiters. A simulation-based comparative study is conducted to compare the existing single-input approach to the proposed controller, reflecting two clear advantages. Finally, the new controller is implemented into a high-fidelity nonlinear engine simulator known as C-MAPSS40k to further validate the effectiveness of the proposed method.


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    Title :

    Multivariable Sliding-Mode Strategy with Output Constraints for Aeroengine Propulsion Control


    Contributors:
    Du, Xian (author) / Richter, Hanz (author) / Guo, Yingqing (author)

    Published in:

    Publication date :

    2016-05-25


    Size :

    12 pages




    Type of media :

    Article (Journal)


    Type of material :

    Electronic Resource


    Language :

    English




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