摘要
以实际卫星项目的研制过程为基础,对卫星地面试验系统中的半物理仿真通信进行了研究。给出了具有数据保障和同步机制的通信方案,实现了在含有通信机制的半物理仿真环境下的卫星通信软件框架,实现了数据的中断实时收发,保证了数据正确有效传输。半物理仿真阶段,将实际的电器接口和硬件通信机制引入到模型仿真之中,采用与卫星上相同的软硬件接口,运行相同的星上协议,可以在这个阶段进行实际卫星上大部分软件的设计,保持软件系统的稳定性和可移植性。
On the basis of the real satellite project, semi -physical simulation communication system is studied for satellite ground testing system in this thesis. The mechanism about data exactness and synchronization is put forward. The communication software frame of semi - physical simulation system and the data send - receive through interrupt mode are realized, which ensure the availability and exactness of data. Electrical interface and communication hardware are imported into model simulation in the semi - physical simulation stage. Software and hardware interfaces, which are uniform with the interfaces in satellite, are adopted to run the protocol in satellite. Most software design can be finished in this stage. And the stability and portability of the software system can be ensured.
出处
《计算机仿真》
CSCD
2007年第3期35-38,共4页
Computer Simulation
关键词
卫星
半物理仿真
实时工作空间
嵌入式操作系统
通信机制
同步
Satellite
Semi - physical simulation
Real time workspace （RTW）
VxWorks
Communication mechanism
Synchronization
