INFLUENCE ANALYSIS OF THE IMPACTS AND FRICTIONS OF THE JOINTS OF THE VIBRATION ISOLATION PLATFORM FOR CONTROL MOMENT GYROSCOPE

被引：0

作者：

Guo, Zixi ^{[1
]}

Zhang, Jingrui

Zhang, Yao

Tang, Liang ^{[2
]}

Guan, Xin

机构：

[1] Beijing Inst Technol, Sch Aerosp Engn, 5 South Zhongguancun St, Beijing 100081, Peoples R China

[2] China Acad Space Technol, Beijing Inst Control Engn, POB 2729, Beijing 100080, Peoples R China

来源：

ASTRODYNAMICS 2015 | 2016年 / 156卷

关键词：

DYNAMIC-ANALYSIS; CONTACT-LOSS; MECHANICAL SYSTEMS; MULTIBODY SYSTEMS; STEWART PLATFORM; CLEARANCE; LOADINGS; MODEL;

D O I：

暂无

中图分类号：

V [航空、航天];

学科分类号：

08 ; 0825 ;

摘要：

This paper discusses the dynamic characteristics of the impacts and corresponding frictions generated by the clearances of joints of vibration isolation platforms for control moment gyroscopes (CMGs) on spacecraft. A contact force model is applied using a nonlinear contact force model, and the frictions in the joints are considered in the dynamic analysis. First, the dynamic characteristics of a single isolation strut with spherical joints were studied, and joints with different initial clearance sizes were separately analyzed. Then, dynamic models of the vibration isolation platform for a CMG cluster with both perfect joints and joints with clearances were established. During the numeral simulation, joints with different elastic moduli were used to study the nonlinear characteristics.

引用

页码：1267 / 1288

页数：22

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