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在航空电子通信系统的研发过程中,针对基于文档的传统开发方法中存在的开发周期长、需求验证困难以及更改流程复杂等问题,文中提出了应用基于模型的系统工程(MBSE)方法。基于航空航天领域中主流的Harmony方法,通过需求分析、功能分析和设计综合依次建立了需求模型、功能模型和物理架构模型。该方法保证了数据的可追溯性,提高了设计效率,降低了设计风险,可为MBSE方法在航电系统中的进一步应用提供参考。
In the process of R & D of avionics communication system, aiming at the problems of long development cycle, requirement verification difficulty and complicated process change in the traditional document-based development methods, a model-based system engineering (MBSE) method is proposed. Based on the mainstream Harmony method in the aerospace field, a demand model, a functional model and a physical architecture model are established in turn through requirements analysis, functional analysis and design synthesis. This method ensures the traceability of data, improves the design efficiency and reduces the design risk. It can provide a reference for the further application of MBSE method in avionics system.