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基于Stewart平台的星上微振动主动隔离/抑制

李伟鹏 黄海 黄舟

李伟鹏, 黄海, 黄舟. 基于Stewart平台的星上微振动主动隔离/抑制[J]. 机械科学与技术, 2015, 34(4): 629-635. doi: 10.13433/j.cnki.1003-8728.2015.0428
引用本文: 李伟鹏, 黄海, 黄舟. 基于Stewart平台的星上微振动主动隔离/抑制[J]. 机械科学与技术, 2015, 34(4): 629-635. doi: 10.13433/j.cnki.1003-8728.2015.0428
Li Weipeng, Huang Hai, Huang Zhou. Active Isolation/Suppression for Satellite Micro-vibration with Stewart Platform[J]. Mechanical Science and Technology for Aerospace Engineering, 2015, 34(4): 629-635. doi: 10.13433/j.cnki.1003-8728.2015.0428
Citation: Li Weipeng, Huang Hai, Huang Zhou. Active Isolation/Suppression for Satellite Micro-vibration with Stewart Platform[J]. Mechanical Science and Technology for Aerospace Engineering, 2015, 34(4): 629-635. doi: 10.13433/j.cnki.1003-8728.2015.0428

基于Stewart平台的星上微振动主动隔离/抑制

doi: 10.13433/j.cnki.1003-8728.2015.0428
基金项目: 

国家自然科学基金项目(11302010)与中国空间技术研究院CAST基金项目(CAST201204)资助

详细信息
    作者简介:

    李伟鹏(1980-),讲师,博士,研究方向为航天器振动主动控制技术,liweipeng@buaa.edu.cn

Active Isolation/Suppression for Satellite Micro-vibration with Stewart Platform

  • 摘要: 针对星上微振动主动隔离/抑制的要求,以VCM(voice coil motor)作动器Stewart平台为控制装置,通过对其动力学模型解耦将控制转化为SISO(single input single output)问题;分析了Skyhook控制方法的隔振效果及其对抑振的局限性,在控制系统中加入了PFF(positive force feedback)控制回路,并引入加速度反馈环节以提高系统的鲁棒稳定性,形成一种振动主动隔离/抑制控制方法;利用Stewart平台的单杆开展了基础扫频激励和负载单频直接干扰共同作用下的S-DOF(single degree of freedom)微振动主动隔离/抑振控制实验,建立了Stewart平台刚/柔混合动力学模型并通过仿真研究了6-DOF振动主动隔离/抑振控制效果。实验和仿真结果表明:该方法可实现良好的振动主动隔离/抑制效果且性能稳定。
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出版历程
  • 收稿日期:  2013-07-18
  • 刊出日期:  2015-04-05

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