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题名:
Research on a Hierarchical and Simultaneous Gravity Unloading Method for Antenna Pointing Mechanism
作者: Yang GY(杨国永); Wang HG(王洪光); Xiao JZ(肖继忠); Wang, Zuowei; Ling L(凌烈)
作者部门: 空间自动化技术研究室
通讯作者: 杨国永
刊名: MECHANICAL SCIENCES
ISSN号: 2191-9151
出版日期: 2017
卷号: 8, 期号:1, 页码:51-63
收录类别: SCI
产权排序: 1
项目资助者: State Key Laboratory of Robotics ; Shenyang Institute of Automation Chinese Academy of Sciences and Beijing Institute of Control Engineering ; project of ControlCapture Integrated Test System [0002546159001]
摘要: This paper presents a hierarchical and simultaneous gravity unloading method. An air bearing gravity unloading facility for two-orthogonal-axis antenna pointing mechanism (APM) is designed based on this method. This method is proposed based on the characteristics analysis of the two-orthogonal-axis APM and air bearings. The mechanism of the hierarchical and simultaneous gravity unloading method is described in detail. It solves the coupling problem of two axes and unloads the gravity of both joints hierarchically and simultaneously. The air bearing gravity unloading facility which is a structure mechanism with two layers based on this method is designed with planar air bearing and air spindle. The structure of the facility is described in detail. The dynamic models of the APM with its load in space environment and on the air bearing gravity unloading facility are derived respectively. With the analysing of the driving torques and vertical forces of the APM joints in both models, the results demonstrate that the gravity unloading facility can simulate the microgravity environment successfully. This conclusion is also proved by the dynamic simulation with ADAMS software. The simulation also provides some optimization targets for the gravity unloading facility. At last, the gravity unloading facility is established and some experiments are done. The dynamic models, the simulation results and the experiments all show the effectiveness of the hierarchical and simultaneous gravity unloading method.
语种: 英语
WOS记录号: WOS:000398422700001
WOS标题词: Science & Technology ; Technology
类目[WOS]: Engineering, Mechanical
研究领域[WOS]: Engineering
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.sia.cn/handle/173321/20299
Appears in Collections:空间自动化技术研究室_期刊论文

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Recommended Citation:
Yang GY,Wang HG,Xiao JZ,et al. Research on a Hierarchical and Simultaneous Gravity Unloading Method for Antenna Pointing Mechanism[J]. MECHANICAL SCIENCES,2017,8(1):51-63.
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