摘要
为改善带挠性梁航天器大角度机动的变结构控制精度,在建立挠性系统动力学模型的基础上,基于喷气 飞轮执行机构工作模式,设计了简单易行的滑模变结构控制策略,并采用遗传算法(GA)优化了滑动平面和边界层厚度。仿真结果表明,优化后的控制器能对航天器的大角度机动进行有效控制。
To improve the accuracy of large angle slew maneuvering for flexible spacecraft with a flexible beam, the variable structure control which was simple was put forward based on the dynamic model of flexible system and actuating mechanism of jet and flywheel in this paper. The genetic algorithm was applied to optimize the parameters of variable plane and thickness of boundary. The simulation result showed that the optimized controller displayed the effectiveness of the proposed control strategy.
出处
《上海航天》
北大核心
2005年第1期15-18,共4页
Aerospace Shanghai
关键词
挠性航天器
大角度机动
变结构控制
遗传算法
振动抑制
Flexible spacecraft
Large angle slew maneuvering
Variable structure control
Genetic algorithm
Vibration suppression
