Abstract
With the continuous development and application of modeling technology, civil aircraft designers urgently need to apply model-based systems engineering (MBSE) theory and methods into the field of civil aircraft development. However, the existing modeling tools, which combined with MBSE methodologies, only focus on one particular area, such as requirement modeling, functional modeling and design synthesis. This kind of low coupling design system makes it difficult to link the upstream and downstream designers in the early stage of system development. This paper introduces the MBSE development process of civil aircraft and then establishes an integrated platform composed of six work stations for civil aircraft development based on this process. Commercially available modeling tools, such as IBM Rational DOORS and enterprise architect (EA), are conducted in the platform. The development of flight control system is taken as an example to test the feasibility and efficiency of our integrated platform in logic layer. This platform can complete the activities of aircraft life cycle function analysis, requirement and model management. The loose coupling between the modules and the high cohesive nature allows different system engineers to maintain their design independence and consistency at different stages of development.
Highlights
Civil aircraft development is a complex system engineering problem, including the identification and capture of stakeholders and system requirements, establishing functional structure of aircraft systems and the derivation of functional analysis (Anderson 2009; Mordecai et al 2018; Zhang et al 2018)
The Process Management Station (PMS) is used for risk management when requirement changes and the Integrated Display Station (IDS) is used to display the overall project progress and two databases are integrated into the platform simultaneously for model management and data interaction
Based on the previous research of civil aircraft development process and integrated platform, this section carries out the research on Model-based system engineering (MBSE) requirements and functional modeling for the FCS of civil aircraft
Summary
Civil aircraft development is a complex system engineering problem, including the identification and capture of stakeholders and system requirements, establishing functional structure of aircraft systems and the derivation of functional analysis (Anderson 2009; Mordecai et al 2018; Zhang et al 2018). This process is a collection of practices that integrates system engineering personnel with work product definitions. The block definition diagram (BDD) and the internal block diagram (IBD) are used to describe its internal organization This top-down incremental iteration method can closely combine requirements with functions, simulation and verification, establish traceability of requirements and significantly shorten the development cycle of civil aircraft. The platform enables all functional modeling development, verification/evaluation and requirements management, the integration of functional modeling analysis at the aircraft level This architecture is based on the MBSE methodologies and proposed in conjunction with the development process of the civil aircraft. The Process Management Station (PMS) is used for risk management when requirement changes and the Integrated Display Station (IDS) is used to display the overall project progress and two databases are integrated into the platform simultaneously for model management and data interaction
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