国产民机飞行管理系统MBSE建模及实际导航性能评估

doi:10.12305/j.issn.1001-506X.2026.08.19

Abstract

Abstract:

To enhance the quality and efficiency of the architecture modeling of the flight management system and address issues such as insufficient design flexibility, increased complexity, and the inability to conduct modular simulation verification in the design and development process of traditional domestic civil aircraft flight management system, a method is proposed, which combines a model-based systems engineering approach with simulation software to evaluate the actual navigation performance of the flight management system. Firstly, the architecture and functions of the flight management system are analyzed and modeled. Secondly, in combination with the systems modeling language （SysML） parametric diagram, a method of numerical integration and binary iteration is proposed to evaluate the actual navigation performance of different navigation modes in the terminal area of the air route under the required navigation performance. Finally, by configuring the graphical user interface to mobilize the co-simulation of SysML and simulation software. The results indicate that the constructed flight management system architecture meets the required navigation performance operating conditions and conforms to the system design requirements, providing technical support for the dynamic verification of the model and the integration of simulation.

Key words: model-based systems engineering (MBSE), required navigation performance (RNP), flight management system, actual navigation performance (ANP), joint simulation

CLC Number:

V 37

Ruihua LIU, Wenjiao CUI. MBSE modeling of domestic civil aviation flight management system and evaluation of actual navigation performance[J]. Systems Engineering and Electronics, 2026, 48(8): 2725-2738.

Figures/Tables 26

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阶段	算法	作用
引擎初始化	Engine.start （）	集成仿真路径
跨进程通信	feval （"", *）	函数动态调用
结果提取	getVariable （"***"）	结果回传
关闭引擎	close （）	释放进程资源

导航模式	参数	数值
IRS	陀螺仪零偏/${(^ \circ }/h)$	0.01
	陀螺仪随机游走误差${(^ \circ }/\sqrt h )$	0.001
	加速度计零偏/$g$	10⁻⁴
	加速度计随机游走误差/（${\mathrm{mGal}}/\sqrt h $）	10
GNSS	水平位置量测误差/m	4
	垂直位置量测误差/m	5
	水平速度量测误差/（m/s）	0.1
	垂直速度量测误差/（m/s）	0.15
DME/DME	距离测量误差/m	200

规范等级	TSE （95%）	FTE （95%）	NSE （95%）
RNP1	1.00	0.50	0.87
RNP2	2.00	1.00	1.73
RNP4	4.00	2.00	3.46
RNP 所需导航性能进近	0.30	0.25	3.46
区域导航1	1.00	0.5	0.87
区域导航2	2.00	1.00	1.73
区域导航5	5.00	2.50	4.33
区域导航10	10.00	5.00	8.66

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MBSE modeling of domestic civil aviation flight management system and evaluation of actual navigation performance

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