摘要
天宫一号目标飞行器是中国研制的新一代专门用于交会对接的大型载人航天器.为保证其长期在轨安全可靠运行,顺利完成与载人飞船的交会对接任务,以及单体飞行和组合体飞行期间的姿态和轨道控制任务,要求GNC分系统设计充分的容错策略.对GNC分系统软硬件平台进行介绍,对敏感器、执行机构以及控制器的软硬件容错策略进行详述.该策略在实际应用中得到验证,结果表明设计合理,可以有效提高GNC分系统的系统性能和可靠性.
The Tiangong-1 spacecraft is a newly-developed spacecraft dedicated to rendezvous and docking.It is necessary to design a full fault-tolerant strategy to ensure the reliability and safety of the spacecraft in orbit for a long life,to achieve rendezvous and docking with manned-spacecraft successfully,and to implement both attitude and orbit control during the single body flight and the combination flight.The platform of both hardware and software for GNC subsystem is presented and the fault-tolerant strategy in both hardware and software for sensors,actuators and the GNC controller is described in detail.The fault-tolerant strategy is proved in practical application.The results show that the design is reasonable and effective,and it can enhance the performance and reliability of the GNC subsystem.
出处
《空间控制技术与应用》
2011年第6期40-46,共7页
Aerospace Control and Application
关键词
天宫一号目标飞行器
载人飞船
GNC
交会对接
容错策略
Tiangong-1 spacecraft
manned-spacecraft
guidance navigation and control
rendezvous and docking
fault-tolerant strategy
