国防科技大学学报2017，Vol.39Issue(1)：6-10,5.DOI:10.11887/j.cn.201701002
基于自适应二阶终端滑模的航天器有限时间姿态机动算法
Spacecraft attitude maneuver algorithm design based on adaptive second-order terminal sliding mode
摘要
Abstract
In order to solve the attitude maneuver problem of rigid spacecraft, an adaptive second-order terminal sliding mode control algorithm was designed.A terminal sliding mode surface was designed to guarantee that the system states can converge to the original point along the sliding surface in finite time;a second-order terminal sliding mode controller was designed to overcome chattering, and an adaptive estimation parameter was adopted to compensate the external disturbances.The Lyapunov function methods proved that the designed algorithm can guarantee that the closed-loop system is practically finite-time stable.The simulation results show that this algorithm can achieve fast response and high accuracy, can effectively restrain the system chattering and the external disturbance, and has important scientific significance and engineering value.关键词
航天器/姿态机动/二阶终端滑模/有限时间控制/自适应估计Key words
spacecraft/attitude maneuver/second-order terminal sliding mode/finite time control/adaptive estimation分类
航空航天引用本文复制引用
冉德超,倪庆,绳涛,陈小前..基于自适应二阶终端滑模的航天器有限时间姿态机动算法[J].国防科技大学学报,2017,39(1):6-10,5.基金项目
国防科技大学优秀研究生创新资助项目(B15017) （B15017）
