“动中通”卫星通信设备软件设计

Software design of “Satcom on the Move” satellite communication device

介绍了"动中通"高精确度卫星跟踪技术和天线的控制技术,为了保证系统在移动平台上完成卫星通信,采用了开环跟踪与双闭环校正的控制算法。通过监控处理完成跟踪算法任务处理,软件系统采用vxWorks实时操作系统为平台,保证了跟踪的高实时性;显控处理软件采用图形图标控件(NI控件)技术,实时显示系统的状态和故障信息;伺服处理软件完成天线角度的控制,保证实时响应。实现了"动中通"卫星通信设备在运动平台上的高可靠通信,满足"动中通"卫星通信设备跟踪锁定和通信的要求。

Based on the composition of 'Satcom on the Move' satellite communication device,high precision satellite tracking technology and antenna control technology are introduced.The process of software realization for 'Satcom on the Move' satellite communication device is proposed,and then the specific design is introduced.The software of 'Satcom on the Move' includes monitor & control process software,display & control process software and servo control process software.Monitor & control process mainly completes the tracking algorithm,and the software system adopts the vxWorks real-time operating system as a platform to ensure high real-time performance during the track;display & control process software employs graphical icons control(NI control) technology to display the system status and fault information in real-time;and servo & control process software controls the antenna angles to ensure real-time response.Open-loop control algorithm for tracking and double close-loop correction are used to ensure the communication of the system on a mobile platform,and the high reliable communication of 'Satcom on the Move'is realized.