During conceptual design of complex civil aircraft systems, it is indispensable for systems engineers to establish functional architectures, which serve as the basis for subsequent detailed design. Since document-based descriptions of functional architectures tend to result in ambiguities and inconsistencies, academia has been devoted to the formal representation of functional architectures, with the aid of Model-Based Systems Engineering. However, traditional functional modeling approaches generally focus on input-output transformations, rather than state (mode) transitions of systems, which hinders the engineers from representing explicitly the functional architectures involving state-transition logic (e.g., specific signals should trigger the state of landing gear systems to change from retracted to extended, or vice versa). Furthermore, lack of formal representation of the state transitions makes the engineers rely on manual analysis to verify the functional architectures, which can be time-consuming and error-prone. To address this issue, this paper develops a SysML-based approach for functional modeling of civil aircraft systems. First, a state-integrated functional model of components is proposed; thereafter, the integration of the component functional models is proposed; Finally, the landing gear systems is employed to demonstrate the proposed approach above, followed by an illustrative case of functional simulation.


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    Title :

    SysML-Based Approach for Functional Modeling of Civil Aircraft Systems


    Additional title:

    Lect. Notes Electrical Eng.


    Contributors:

    Conference:

    International Conference on Aerospace System Science and Engineering ; 2022 ; Toronto, ON, Canada July 06, 2022 - July 08, 2022



    Publication date :

    2023-02-26


    Size :

    15 pages





    Type of media :

    Article/Chapter (Book)


    Type of material :

    Electronic Resource


    Language :

    English




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