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Vibration control strategy of space tethered system and experimental verification
Authors
刘明洋
封铁凝
+3 more
张啸
王清运
贺云
Publication date
1 January 2019
Publisher
Abstract
以空间捕获平台(操控星)捕获目标星后形成的组合体为研究对象。组合体在拖曳离轨过程中会产生面内角度摆动和沿系绳方向的振动。为了研究抑制沿系绳方向的振动控制策略,建立了在切向恒定推力(由操控星喷气产生)的作用下空间绳系组合体的动力学模型。在假设角度摆动得到很好抑制的前提下,对组合体的沿系绳方向的振动控制问题提出一种时间最短以及能耗最小的最优控制策略。利用设计的张力控制机构和12自由度运动模拟器进行地面仿真实验,实验证明张力控制机构对张力指令具有很好的跟随性能。同时实验也表明提出的最优控制策略对沿系绳方向的振动具有很好的抑制作用
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Shenyang Institute of Automation,Chinese Academy Of Sciences
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Last time updated on 28/05/2019