A new model reuse method of flight control system virtual prototype is proposed Based on the Systems Modeling Language(SysML) Components(BSC), namely US-BP(Unit, Structure; Behavior, Process) method, which can improve the methods of virtual prototype-oriented system analysis and description. Taking a certain type of four-rotor UAV as example, the implementation of the flight control system virtual prototype supporting model reuse is described-the simulation, design and implementation are based on SysML components and Simulink components simultaneously. It provides an important technology for the model reuse in the modeling and simulation of the flight control system.%针对飞控系统建模中的模型重用问题，改进面向虚拟样机的系统分析和描述方法，提出一种基于系统工程建模语言(SysML)组件(BSC)的飞行控制系统虚拟样机模型重用方法，即“部件、结构；行为、过程”(US-BP)方法；以某型四旋翼无人机为例，说明了飞控系统虚拟样机支持模型重用的实现方式，即基于 SysML 组件与 Simulink 组件的仿真设计与实现方法。本文为飞控系统建模与仿真领域中的模型重用提供了重要的技术途径。
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