航天器太阳阵伸展过程最优控制的遗传算法  

Optimal Control of Stretching Process of Solar Arrays on Spacecraft Using Genetic Algorithm

作　　者：戈新生[1] 张奇志[1] 

机构地区：[1]北京机械工业学院,北京100085

出　　处：《力学季刊》2000年第1期134-138,共5页Chinese Quarterly of Mechanics

基　　金：国家自然科学基金(19782003)

摘　　要：本文讨论航天器太阳阵伸展过程中航天器姿态的最优控制问题。利用动量矩守恒原理导出带太阳阵航天器的动力方程,指出了系统的非完整约束性质。将航天器太阳阵展开过程中主体姿态控制问题转化为非线性系统最优控制问题。在最优控制中引入遗传算法,替代传统的牛顿迭代方法。提出基于遗传算法的非完整运动规划最优控制算法。通过数值仿真表明,该方法对太阳阵伸展过程航天器姿态控制是有效的。The optimal control problem of spacecraft attitude during its solar arrays stretching process is discussed in this paper. The equation of a spacecraft with solar arrays are obtained by using the conservation principle of momentum . It shows the results of nonholonomic behavior of the system. The attitude control problem of spacecraft during the genetic algorithm of optimal control is proposed, and instead of traditional Newton iteration methods. The optimal control algorithm of nonholonomic behavior is studied according to the genetic algorithm. The results of numerical simulation show that this approach is effective for the control problem of spacecraft attitude in the stretching process of solar arrays.

关 键 词：航天器 最优控制 遗传算法 太阳阵 伸展 姿态 

分 类 号：V448.22[航空宇航科学与技术—飞行器设计]