Integrated modeling for civil aircraft PHM and maintenance support based on DoDAF and MBSE

doi:10.23919/JSEE.2026.000116

Abstract

Abstract:

Integrating prognostics and health management (PHM) with the existing maintenance support system of systems plays an important role in implementing reliability-centered maintenance (RCM). However, the increasing complexity and integration of civil aircraft systems pose challenges for conventional document-based systems engineering (DBSE) practice. Aiming at the specific problems of poor modeling degree, weak traceability between problem and solution domains, and insufficient integration in civil aircraft PHM development, a model-based systems engineering (MBSE) approach is adopted to overcome the limitations of DBSE method. This paper proposes a structured integrated modeling method to facilitate PHM functional integration with other aircraft systems. An MBSE modeling method based on traceable requirements, functional, logical, and physical models, is applied in the integration process. Additionally, a multi-viewpoint analysis method within the Department of Defense Architecture Framework (DoDAF) is introduced to illustrate the modeling elements and processes from a multi-dimensional perspective. The modeling logic and architecture are subsequently presented, followed by examples of requirements, functional flows, and resource flows models using the systems modeling language (SysML). Finally, a preliminary logic simulation verification is conducted as a case study of typical PHM functional integration with maintenance support. The case study results demonstrate that the proposed method enhances information traceability and consistency, which can offer theoretical support and technical reference for the development of maintenance support system.

Key words: Department of Defense Architecture Framework (DoDAF), model-based systems engineering (MBSE), prognostics and health management (PHM), maintenance support

Jie CHEN, Gaofei ZHANG, Ke GAO, Bijiang LV, Chen LI, Chang SUN. Integrated modeling for civil aircraft PHM and maintenance support based on DoDAF and MBSE[J]. Journal of Systems Engineering and Electronics, 2026, 37(3): 904-920.

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