一类挠性航天器的变结构控制

本文研究在控制器能量受限条件下，一类挠性航天器的姿态控制问题。考虑刚性主体上带有挠性梁的航天器，并假定系统在一平面内作旋转运动。针对航天控制工程中执行机构的工作模式，基于系统的无穷维模型，本文设计了简单易行的变结构控制方案，并证明了相应的闭环系统的渐近稳定性。数值仿真和物理实验结果显示了所设计的控制算法的有效性。

VARIABLE STRUCTURE CONTROL OF A FLEXIBLE SPACECRAFT

This paper deals with the attitude control problem of a flexible spacecraft with control being constrained The spacecraft,consisting of a rigid central body and a flexible beam,is assumed to perform planar motion In accordance with the acting mode of the actuator in aerospace control engineering,and based on infinite dimensional model of the system,a kind of simple and easily implemented variable structure control law is presented It is shown that implementation of the control algorithm results in saymptotic stability of the closed loop system Some computer simulation and physical experimental results are presented,showing the effectness of the control algorithm designed in this paper