LabWindows/CVI在导引头地面测控设备中的应用

Application of LabWindows/CVI in Ground Measurement and Control Equipment of Seeker

摘要:

针对某型导引头挂飞试验实现导引头控制及实时性高的需求,设计了一种基于LabWindows/CVI软件开发平台的挂飞控制箱系统;该挂飞控制箱通过RS422串口与导引头相连,能够实现导引头控制、状态显示、GPS信息接收处理、试验数据存储等功能;挂飞控制箱采用VXI总线和LabWindows/CVI软件平台进行设计,硬件集成度较高,软件运用LabWindows/CVI开发平台自带的多线程技术,将串口通讯等周期性任务与数据处理、存储、显示等任务从时间上分开,提高了CPU工作效率,满足系统实时性要求;试验结果表明,该挂飞控制箱系统工作稳定,与导引头通讯可靠,实时性较高,试验数据完整且满足总体要求。

Abstract:

For the demand of the seeker flying test achieving control and high real-time, it designs the control box system based on LabWindows/CVI software development platform. The flying control box are connected to seeker through RS422 serial ports, it can achieve seeker control, state display, receiving and processing of GPS Information, test data storage,and other functions. Flying control box is designed based on VXI bus and LabWindows/CVI software platform. The software uses multithreading technology of LabWindows/CVI software development platform, it divides periodic tasks such as serial ports from data processing, storage, display and other tasks on time, improves the CPU efficiency. The test results show that the flying control system works steadily, communicates reliably with seeker, gets test data completely and meeting the general requirements.