摘要
定时的精确性和数据同步是半实物仿真的关键技术;采用RTX实时扩展系统下的高精度定时器实现精确定时,分析了时钟同步和数据通信中存在的主要问题并对其实现方法进行了研究,给出了数据同步的详细算法和流程图;仿真结果表明,该半实物仿真系统定时精确,仿真周期内没有出现数据错帧和丢帧现象,保证了系统数据通讯的同步,对导弹武器系统研制具有重要的应用价值。
Accuracy of time and data synchronization are the key techniques in the hardware-in the-loop simulation. RTX is used to give the accurate time, the main problem in time synchronization and data communication are analyzed, and the achieving method is researched, the algorithm and flow chart of data synchronization are given. The simulation results have proved that the hardware-in-the-loop simulation system has explicit real-time capability, and doesn＇t appear the phenomenon of data miss and data mismatch in simulation period, ensures the synchronization of data communication, and it is valuable for the design and research of missile weapon systems.
出处
《计算机测量与控制》
CSCD
北大核心
2010年第1期110-112,115,共4页
Computer Measurement &Control
关键词
半实物仿真
RTX
定时
数据同步
hardware-in-the-loop simulation
RTX
time
data synchronization
