Mode transition (MT) is critical for adaptive cycle engine (ACE) to achieve mission adaptability. There are many constraints for the MT, making the control law difficult to design. At present, most design methods require manual analysis by researchers. When the design parameters of an engine are changed, it takes a lot of time to redesign the control law. What is more, most control laws need to adjust not only the mode selection valve (MSV), but also many other variable geometry components (VGCs) simultaneously, which makes the control system design complex and difficult. In this study, a general design method based on the particle swarm optimization method and the sensitivity calculation method is presented. This method can derive the control law for the MT without manual analysis, improving the efficiency of the design process. At most, one VGC needs to be adjusted during the change of state of the MSV, simplifying the control system. The fluctuation of thrust and airflow is less than 2%, and the surge margin of the compressors is higher than 10%, leading to a safe and stable MT. This method can adapt to the adjustment of the cycle parameters of the engine and the deviation of component performance, making it suitable for the engine performance design stage. It can also be applied to the design for other types of ACEs.


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    Titel :

    General Design Method of Control Law for Adaptive Cycle Engine Mode Transition


    Beteiligte:
    Zhang, Jiyuan (Autor:in) / Dong, Pengcheng (Autor:in) / Tang, Hailong (Autor:in) / Zheng, Junchao (Autor:in) / Wang, Jingkai (Autor:in) / Chen, Min (Autor:in)

    Erschienen in:

    AIAA Journal ; 60 , 1 ; 330-344


    Erscheinungsdatum :

    2021-08-23


    Format / Umfang :

    15 pages




    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch




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