摘要
基于多模态滑模控制的理念,研究了交会对接绕飞段的控制问题。介绍了多模态滑模切换函数的设计方法,并给出滑模面的存在条件和系统稳定性证明。采用分时控制方法弱化系统变量之间的耦合,简化了控制系统的设计。对该控制系统进行了数值仿真,结果表明:系统可以经由预想的绕飞轨线,由初态绕飞至终态,而且对初始状态具有很好的适应性。
The control for flying-around of rendezvous and docking was researched based on the concept of Multi-Sliding-Mode （MSM） control. The design for switching function of MSM was introduced, the existence condition for sliding mode was given and the stability of the control system was proved. For decreasing the couphngs between the system variables, time sharing control was used, the design for control system was simplified. The control system was simulated and the results show that the system could be transferred from initial state to final state along the expected flying-around trajectory and has good adaptability for different initial states.
出处
《宇航学报》
EI
CAS
CSCD
北大核心
2010年第1期143-147,共5页
Journal of Astronautics
关键词
交会对接
滑模控制
绕飞
分时控制
Rendezvous ＆ docking
Slide-mode-control
Flying-around
Time sharing control
