多余度飞行控制系统仿真平台设计

Simulation Platform Design For the Multi-Redundant Flight Control System

为验证飞行控制系统的余度配置方式,设计了多余度飞控系统仿真的软硬件平台。该平台基于Simulink图形化的建模方法和Vxworks嵌入式实时操作系统,利用实时仿真工具(RTW)可自动生成运行在Vxworks及相应硬件平台下的代码。还设计了三余度飞控计算机的余度管理算法和表决算法以验证该平台的功能。本仿真平台的建模方法直观明了,同时可利用Simulink外部模式进行实时监控和在线调参,从而提高了平台的升级和维护能力。

In order to validate the redundancy allocation scheme of the flight control system, a simulation platform for multi-redundant flight control system has been designed in this paper. This platform was based on the graphical modeling method of Simulink and the embedded real-time operating system ——Vxworks, where the executable code could be compiled for Vxworks and the relative hardware platform by utilizing the real-time simulation tool （RTW）. This paper also proposed the algorithms of triple-redundant management and voting to verify the the functionality of the platform. The modeling method of the proposed platform was straightforward. Besides, real-time monitoring and online debugging could be achieved via the external mode of Simulink, leading to the enhancement of the capability of upgrading and maintenance of the proposed platform.