BDSBAS机载接收机的MBSE设计及进近阶段运行仿真

doi:10.16182/j.issn1004731x.joss.25-0771

摘要/Abstract

摘要：

针对传统文档设计方法难以有效捕捉BDSBAS (BeiDou satellite-based augmentation system)机载接收机在进近阶段所需的导航精度与完好性保障中的动态特性与内部交互，易导致设计偏离实际需求、影响系统性能的问题，引入基于模型的系统工程(model-based systems engineering, MBSE)方法。建立涵盖系统需求分析、行为描述、结构设计及参数约束的多维度系统架构模型。以北斗星基增强系统为对象，提出了一种关于所需导航性能(required navigation performance, RNP)的系统建模语言与MATLAB的联合仿真方法，建立从模型设计到动态性能仿真的闭环验证机制。仿真实验结果表明：该方法不仅能弥补传统设计方法在系统功能交互性和动态性能验证方面的不足，还能支持BDSBAS机载接收机在飞机进近阶段RNP运行要求。

关键词: MBSE, 北斗星基增强系统机载接收机, 系统设计, 所需导航性能, 联合仿真

Abstract:

In view of the problem that traditional document-based design methods are difficult to effectively capture the dynamic characteristics and internal interactions in navigation accuracy and integrity assurance required by BeiDou satellite-based augmentation system (BDSBAS) airborne receivers during the approach phase, which easily leads to designs deviating from actual requirements and affects system performance, a model-based systems engineering(MBSE) method was introduced. A multi-dimensional system architecture model encompassing system requirement analysis, behavior description, structure design, and parameter constraints was established. Taking BDSBAS as the object, a co-simulation method of system modeling language and MATLAB for required navigation performance (RNP) was proposed, and a closed-loop verification mechanism from model design to dynamic performance simulation was established. Simulation results show that this method not only can make up for the shortcomings of traditional design methods in system functional interaction and dynamic performance verification but also can support the RNP operational requirements of BDSBAS airborne receivers during the aircraft approach phase.

Key words: model-based systems engineering (MBSE), BeiDou satellite-based augmentation system airborne receiver, system design, required navigation performance (RNP), co-simulation

中图分类号:

刘瑞华,王同伟,马赞 . BDSBAS机载接收机的MBSE设计及进近阶段运行仿真[J]. 系统仿真学报, 2026, 38(7): 1815-1831.

Liu Ruihua,Wang Tongwei,Ma Zan . MBSE Design and Approach-phase Operational Simulation of BDSBAS Airborne Receiver[J]. Journal of System Simulation, 2026, 38(7): 1815-1831.

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作用	语法
启动/连接	MATLABEngine.startMATLAB()
下发参数	eng.putVariable(...)
执行运算	eng.eval("...")
取回结果	eng.getVariable(...)
关闭/异常处理	eng.close()

数据类型	SysML	MATLAB
标量(实数)	Real	double
标量(整数)	Integer	double
布尔	Boolean	logical
字符串	String	string/char
枚举	Enumeration	string/char
数组结构	Block{ a:Real[n], b:Real[n] }	struct('a',1×n, 'b',1×n)