中国空间科学技术

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多级容错实时遥测定姿系统

孙宝祥,李明涛,王东盛,高益军,华更新,刘承熙,王长龙,翦明,王远禧,白治英   

  1. 北京控制工程研究所
  • 发布日期:1998-06-25

A REALTIME TELEMETRY AND ATTITUDE DETERMINATION SYSTEM BASED ON MULTILEVEL FAULT-TOLERANT

Sun Baoxiang Li Mingtao Wang Dongsheng Gao Yijun Hua GengxinLiu Chengxi Wang Changlong Jian Ming Wang Yuanxi Bai Zhiying(Beijing Institute of Control Engineering,Beijing 100080)   

  • Published:1998-06-25

摘要： 介绍了风云二号卫星指令与数据获取站（ＣＤＡＳ）实时遥测定姿系统，该系统是一个采用多级容错、多处理器并发运行体系结构，统一实现包括精太阳脉冲解调在内的模拟遥测信号实时处理、卫星姿态实时确定、编码遥测信号解调和数据实时处理、卫星星－地回路仿真测试及系统大容量数据、图形、字符实时处理、通信、记录等多功能、长寿命、高可靠实时遥测定姿系统。

关键词: 容错技术, 实时遥测, 多处理机, 卫星姿态

Abstract: The CDAS realtime telemetry and attitude determination system of meteorological satellite FY2 is a system of multifunction long life time and high reliability ,based on multiprocessor concurrent processing and multilevel faulttolerant architecture.It implements integrally realtime processing of analog telemetry including demodulation of accurate sun pulse,realtime determination of satellite's attitude,coding telemetry demodulation and realtime data processing,satelliteground loop simulation test,and processing of mass data,graphics and characters,communication and recording in realtime,etc.