刚柔卫星的规定模态振动控制和扰动载荷分析

IF 2.8 3区地球科学 Q2 ASTRONOMY & ASTROPHYSICS

Advances in Space Research Pub Date : 2024-08-02 DOI:10.1016/j.asr.2024.07.083

Zeqiang Han, Hongwei Xia, Guan Wang, Guangcheng Ma

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引用次数: 0

摘要

我们研究了刚柔结合卫星的振动控制问题，并提出了一种在姿态机动过程中抑制振动的新型控制方法。在振动模型中，我们推导了干扰载荷对各振动模式的影响，并对其影响进行了细致的分析。为了减少干扰载荷对振动模式的影响，我们提出了用于振动抑制的规定模态振动控制，包括模型调整、致动器/传感器部署优化和控制器设计。通过数值模拟证明了规定模态振动控制的有效性和优势。与现有的振动控制方法相比，该方法实现了适当的受控振动模式选择和优化部署，从而放大了在干扰情况下的振动抑制效果。

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Prescribed modal vibration control and disturbance load analysis of rigid-flexible satellites

We investigate the vibration control issues of rigid-flexible satellites and present a novel control methodology for vibration suppression during attitude maneuvers. Within the vibration model, we derive the terms of the disturbance load on each vibration mode, meticulously analyzing their effects. To reduce the impact of the disturbance load on vibration modes, the prescribed modal vibration control is proposed for vibration suppression, encompassing model adjustment, optimization of actuator/sensor deployment, and controller design. The effectiveness and the advantage of the prescribed modal vibration control are demonstrated through numerical simulations. This methodology achieves proper controlled vibration modes selection and optimized deployment, thereby amplifying the effect of vibration suppression in the presence of disturbances relative to extant vibration control methodologies.

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来源期刊

Advances in Space Research 地学天文-地球科学综合

CiteScore

5.20

自引率

11.50%

发文量

800

审稿时长

5.8 months

期刊介绍： The COSPAR publication Advances in Space Research (ASR) is an open journal covering all areas of space research including: space studies of the Earth''s surface, meteorology, climate, the Earth-Moon system, planets and small bodies of the solar system, upper atmospheres, ionospheres and magnetospheres of the Earth and planets including reference atmospheres, space plasmas in the solar system, astrophysics from space, materials sciences in space, fundamental physics in space, space debris, space weather, Earth observations of space phenomena, etc. NB: Please note that manuscripts related to life sciences as related to space are no more accepted for submission to Advances in Space Research. Such manuscripts should now be submitted to the new COSPAR Journal Life Sciences in Space Research (LSSR). All submissions are reviewed by two scientists in the field. COSPAR is an interdisciplinary scientific organization concerned with the progress of space research on an international scale. Operating under the rules of ICSU, COSPAR ignores political considerations and considers all questions solely from the scientific viewpoint.