摘要
小卫星大角度姿态机动与星载计算机双机容错是现代小卫星的核心技术针对863－2课题研究的微小卫星，对这两项关键技术进行了探讨，同时利用桌面演示系统进行了半物理仿真验证，仿真结果表明：星载计算机硬件系统结构合理，引导程序可靠，验证了线路故障、单机故障的容错原理，实现了双机备份的设计方案，在其中一台出现故障的情况下，成功地实现了控制权限的交接；所设计的控制算法简单、有效，星载计算机满足控制算法对计算速度的要求．
Large angle maneuver control and on - board computer faults tolerance are important for small satellites.Hardware - in - Loop simulation was accomplished on the single - axis air - bearing table with on - board prototype computers, optic fiber gyro and reaction wheel while saturation characterishc are taken into account. The results indicated that the structure of the hardware is rationale and the introductory program is credible, the faults tolerance option is feasible, the large angle maneuver control algorithm has the advantages of simplicity and efficiency, and the on board prototype computer can satisfy the system requirements.
出处
《哈尔滨工业大学学报》
EI
CAS
CSCD
北大核心
1999年第5期68-72,共5页
Journal of Harbin Institute of Technology
基金
国家高技术航天领域863-2基金!863-2-5-1-8
关键词
小卫星
姿态机动
双机容错
星载计算机
卫星
small satellite
large angle maneuver
computer faults tolerance
hardware-in-Loop simulation
