Article(id=1228046470474039843, tenantId=1146029695717560320, journalId=1225147924628267009, issueId=1228046469559681568, articleNumber=null, orderNo=null, doi=10.16385/j.cnki.issn.1004-4523.2024.02.007, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1654704000000, receivedDateStr=2022-06-09, revisedDate=1661788800000, revisedDateStr=2022-08-30, acceptedDate=null, acceptedDateStr=null, onlineDate=1770718694561, onlineDateStr=2026-02-10, pubDate=1709049600000, pubDateStr=2024-02-28, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1770718694561, onlineIssueDateStr=2026-02-10, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1770718694561, creator=13701087609, updateTime=1770718694561, updator=13701087609, issue=Issue{id=1228046469559681568, tenantId=1146029695717560320, journalId=1225147924628267009, year='2024', volume='37', issue='2', pageStart='191', pageEnd='364', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1770718694343, creator=13701087609, updateTime=1770795432451, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1228368332575928712, tenantId=1146029695717560320, journalId=1225147924628267009, issueId=1228046469559681568, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1228368332575928713, tenantId=1146029695717560320, journalId=1225147924628267009, issueId=1228046469559681568, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=247, endPage=257, ext={EN=ArticleExt(id=1228046470683755046, articleId=1228046470474039843, tenantId=1146029695717560320, journalId=1225147924628267009, language=EN, title=Design and analysis of vibration isolation for reaction wheel by using electromagnetic shunt damping, columnId=null, journalTitle=Journal of Vibration Engineering, columnName=null, runingTitle=null, highlight=null, articleAbstract=
Reaction wheels are not only important attitude control actuators for satellites,but also the most prominent onboard micro-vibration source. Considering the varying rotating speed of reaction wheels,this paper proposes a new vibration isolation method using a six-strut isolator combined with the electromagnetic shunt damping (EMSD) technique. A dynamic model of the coupled system consists of a reaction wheel and the isolator is derived including the gyroscopic effect produced by the rotating wheel. The results obtained through analytical analysis and simulations show that gyroscopic effects have a great effect on the natural modes,frequencies,and isolation performance. And then,the influences of key parameters on the isolation performance are analyzed and optimized. Finally,an isolation strut based on the EMSD technique is manufactured and tested. The experiment results verified the influences of the stiffness and EMSD on the transmissibility of the strut.
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反作用飞轮是重要的卫星姿态控制执行机构,也是星上最主要的微振动源。针对反作用飞轮转速范围宽的工作特点,本文提出采用六脚隔振装置结合电磁分流阻尼技术的隔振方法。考虑陀螺效应的耦合作用,建立了反作用飞轮与隔振装置的一体化动力学模型。通过理论分析和数值仿真,研究了陀螺效应对系统的模态、固有频率以及隔振性能的影响,并分析了关键参数对系统隔振性能的影响。开展了隔振优化设计,对优化后的隔振性能进行分析,并对隔振装置中的单个隔振单元进行实验验证,验证了电磁分流阻尼和弹簧刚度对隔振性能的影响。
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, authorsList=张涵, 罗青)}, authors=[Author(id=1228046515004965704, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228046470474039843, orderNo=0, firstName=null, middleName=null, lastName=null, nameCn=null, orcid=null, stid=null, country=null, authorPic=null, dead=0, email=zhangh20@nudt.edu.cn, emailSecond=null, emailThird=null, correspondingAuthor=0, authorType=1, ext={EN=AuthorExt(id=1228046515080463180, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228046470474039843, authorId=1228046515004965704, language=EN, stringName=Han Zhang, firstName=Han, middleName=null, lastName=Zhang, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=null, address=College of Aerospace Science and Engineering,National University of Defense Technology,Changsha 410073,China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1228046515168543567, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228046470474039843, authorId=1228046515004965704, language=CN, stringName=张涵, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=null, address=国防科技大学空天科学学院,湖南 长沙 410073, bio={"content":"
张 涵(1997—),男,硕士研究生。 E-mail: zhangh20@nudt.edu.cn。
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张 涵(1997—),男,硕士研究生。 E-mail: zhangh20@nudt.edu.cn。
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2020., articleTitle=The dynamics characteristics of electromagnetic shunt damping and the adaptive vibration control, refAbstract=null)], funds=[Fund(id=1228046523850752977, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228046470474039843, awardId=11702321, language=CN, fundingSource=国家自然科学基金资助项目(11702321), fundOrder=null, country=null)], companyList=[AuthorCompany(id=1228046514925273923, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228046470474039843, xref=null, ext=[AuthorCompanyExt(id=1228046514933662532, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228046470474039843, companyId=1228046514925273923, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=College of Aerospace Science and Engineering,National University of Defense Technology,Changsha 410073,China), AuthorCompanyExt(id=1228046514937856837, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228046470474039843, companyId=1228046514925273923, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=国防科技大学空天科学学院,湖南 长沙 410073)])], figs=[ArticleFig(id=1228046517534131055, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228046470474039843, language=EN, label=Fig.1, caption=
Vibration isolation system of reaction wheel, figureFileSmall=4VzIfIRXN2ECA1iHtzqlKA==, figureFileBig=Nm5jqKIBf9ClxC+rWSPe2g==, tableContent=null), ArticleFig(id=1228046517626405745, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228046470474039843, language=CN, label=图1, caption=
反作用飞轮隔振系统, figureFileSmall=4VzIfIRXN2ECA1iHtzqlKA==, figureFileBig=Nm5jqKIBf9ClxC+rWSPe2g==, tableContent=null), ArticleFig(id=1228046517827732344, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228046470474039843, language=EN, label=Fig.2, caption=
Sectional view of vibration isolation unit, figureFileSmall=8spMEu3NotcGGwkBHzzwlg==, figureFileBig=c5/Kifs6luy2uWWyFF8s6g==, tableContent=null), ArticleFig(id=1228046517915812731, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228046470474039843, language=CN, label=图2, caption=
隔振单元剖面图, figureFileSmall=8spMEu3NotcGGwkBHzzwlg==, figureFileBig=c5/Kifs6luy2uWWyFF8s6g==, tableContent=null), ArticleFig(id=1228046517982921598, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228046470474039843, language=EN, label=Fig.3, caption=
Fundamental principle of EMSD, figureFileSmall=MLaMUCvZrIC8NydE+tVoTg==, figureFileBig=qPFBiaWg2iEY1a6gmodXrA==, tableContent=null), ArticleFig(id=1228046518066807679, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228046470474039843, language=CN, label=图3, caption=
EMSD的基本原理, figureFileSmall=MLaMUCvZrIC8NydE+tVoTg==, figureFileBig=qPFBiaWg2iEY1a6gmodXrA==, tableContent=null), ArticleFig(id=1228046518146499457, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228046470474039843, language=EN, label=Fig.4, caption=
Definition of coordinate system, figureFileSmall=v4v0eKRi5gTfMlMDlgLeyg==, figureFileBig=posvwn3TKqjshSYrIMYXQQ==, tableContent=null), ArticleFig(id=1228046518217802627, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228046470474039843, language=CN, label=图4, caption=
坐标系定义, figureFileSmall=v4v0eKRi5gTfMlMDlgLeyg==, figureFileBig=posvwn3TKqjshSYrIMYXQQ==, tableContent=null), ArticleFig(id=1228046518293300099, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228046470474039843, language=EN, label=Fig.5, caption=
Coordinate system of vibration isolation unit, figureFileSmall=TgEDM2PQjUYO8lzPEddVbA==, figureFileBig=4Zpdzk5MAwaXCEjmJGpymQ==, tableContent=null), ArticleFig(id=1228046518377186182, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228046470474039843, language=CN, label=图5, caption=
隔振单元坐标系, figureFileSmall=TgEDM2PQjUYO8lzPEddVbA==, figureFileBig=4Zpdzk5MAwaXCEjmJGpymQ==, tableContent=null), ArticleFig(id=1228046518456877959, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228046470474039843, language=EN, label=Fig.6, caption=
Negative resistance circuit, figureFileSmall=Hab0FYME9CCI2/Z7h4TA1A==, figureFileBig=81tnwdh6sBidDGKspA0ULg==, tableContent=null), ArticleFig(id=1228046518544958344, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228046470474039843, language=CN, label=图6, caption=
负电阻电路, figureFileSmall=Hab0FYME9CCI2/Z7h4TA1A==, figureFileBig=81tnwdh6sBidDGKspA0ULg==, tableContent=null), ArticleFig(id=1228046518624650123, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228046470474039843, language=EN, label=Fig.7, caption=
Campbell diagram of the reaction wheel vibrationisolation system, figureFileSmall=CuJdXxQr0vw+Zz/5HHIZBA==, figureFileBig=iBCTE3rNFHB5rNhWStAggw==, tableContent=null), ArticleFig(id=1228046518721119117, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228046470474039843, language=CN, label=图7, caption=
反作用飞轮隔振系统的Campbell图, figureFileSmall=CuJdXxQr0vw+Zz/5HHIZBA==, figureFileBig=iBCTE3rNFHB5rNhWStAggw==, tableContent=null), ArticleFig(id=1228046518809199504, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228046470474039843, language=EN, label=Fig.8, caption=
Influence of resistance on vibration isolation performance, figureFileSmall=ACRUL8EGwROiv0xnhB/2iA==, figureFileBig=R6Wfx3vYL3MTCoMViMdwEw==, tableContent=null), ArticleFig(id=1228046518872114066, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228046470474039843, language=CN, label=图8, caption=
电阻对隔振性能的影响, figureFileSmall=ACRUL8EGwROiv0xnhB/2iA==, figureFileBig=R6Wfx3vYL3MTCoMViMdwEw==, tableContent=null), ArticleFig(id=1228046518956000149, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228046470474039843, language=EN, label=Fig.9, caption=
Influence of supporting stiffness on vibration isolation performance, figureFileSmall=bhbJYWsyYa8iQHhYtyoL0w==, figureFileBig=SZSvfCtVW7YekypNUtFUNA==, tableContent=null), ArticleFig(id=1228046519039886231, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228046470474039843, language=CN, label=图9, caption=
支承刚度对隔振性能的影响, figureFileSmall=bhbJYWsyYa8iQHhYtyoL0w==, figureFileBig=SZSvfCtVW7YekypNUtFUNA==, tableContent=null), ArticleFig(id=1228046519119578010, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228046470474039843, language=EN, label=Fig.10, caption=
Influence of vibration isolation element length on vibration isolation performance, figureFileSmall=BOBN4cXtfI1hPp7Ax45esQ==, figureFileBig=SgElqwYUy5G/syRU7F76tQ==, tableContent=null), ArticleFig(id=1228046519216047005, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228046470474039843, language=CN, label=图10, caption=
隔振单元长度对隔振性能的影响, figureFileSmall=BOBN4cXtfI1hPp7Ax45esQ==, figureFileBig=SgElqwYUy5G/syRU7F76tQ==, tableContent=null), ArticleFig(id=1228046519291544480, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228046470474039843, language=EN, label=Fig.11, caption=
Comparison of results before and after optimization, figureFileSmall=9Opex5ukXhvF3eqCZVwewA==, figureFileBig=DPEoUFgq649xDRp/BkI/fg==, tableContent=null), ArticleFig(id=1228046519354459043, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228046470474039843, language=CN, label=图11, caption=
优化前后结果对比, figureFileSmall=9Opex5ukXhvF3eqCZVwewA==, figureFileBig=DPEoUFgq649xDRp/BkI/fg==, tableContent=null), ArticleFig(id=1228046519429956518, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228046470474039843, language=EN, label=Fig.12, caption=
Disturbance output response of reaction wheel during acceleration, figureFileSmall=NxuHZF7gvcsilAKVTGdfWg==, figureFileBig=fFF8MkEAhKoSRszn3+gdBw==, tableContent=null), ArticleFig(id=1228046519526425511, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228046470474039843, language=CN, label=图12, caption=
反作用飞轮加速过程中的扰动输出响应, figureFileSmall=NxuHZF7gvcsilAKVTGdfWg==, figureFileBig=fFF8MkEAhKoSRszn3+gdBw==, tableContent=null), ArticleFig(id=1228046519635477417, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228046470474039843, language=EN, label=Fig.13, caption=
Disturbance response of angular displacement of the installation platform, figureFileSmall=7yLzMZengccZzFu3rwyPJA==, figureFileBig=2ra/j1DYe1anexf8h8Rs9w==, tableContent=null), ArticleFig(id=1228046519765500842, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228046470474039843, language=CN, label=图13, caption=
安装平台的角位移扰动响应, figureFileSmall=7yLzMZengccZzFu3rwyPJA==, figureFileBig=2ra/j1DYe1anexf8h8Rs9w==, tableContent=null), ArticleFig(id=1228046519857775532, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228046470474039843, language=EN, label=Fig. 14, caption=
Composition of experimental system, figureFileSmall=NZr9wH5/bLAEfH/2A6RUZw==, figureFileBig=VNDRe+lV74apaGAMGabcVg==, tableContent=null), ArticleFig(id=1228046519954244525, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228046470474039843, language=CN, label=图14, caption=
实验系统组成, figureFileSmall=NZr9wH5/bLAEfH/2A6RUZw==, figureFileBig=VNDRe+lV74apaGAMGabcVg==, tableContent=null), ArticleFig(id=1228046520105239471, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228046470474039843, language=EN, label=Fig. 15, caption=
Schematic diagram of a single vibration isolation unit, figureFileSmall=rk1ympn+bmmFwWn4veY9NQ==, figureFileBig=KKi4/93pW8JpiBwDD5E3cA==, tableContent=null), ArticleFig(id=1228046520201708465, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228046470474039843, language=CN, label=图15, caption=
单个隔振单元原理图, figureFileSmall=rk1ympn+bmmFwWn4veY9NQ==, figureFileBig=KKi4/93pW8JpiBwDD5E3cA==, tableContent=null), ArticleFig(id=1228046520281400243, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228046470474039843, language=EN, label=Fig.16, caption=
Photos of the vibration isolation unit and groundexperimental system, figureFileSmall=nrv9LTH5vqDOGMop287pDA==, figureFileBig=Ayb21rrSWre63rztXvsuUQ==, tableContent=null), ArticleFig(id=1228046521665520565, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228046470474039843, language=CN, label=图16, caption=
隔振单元及地面实验系统实物, figureFileSmall=nrv9LTH5vqDOGMop287pDA==, figureFileBig=Ayb21rrSWre63rztXvsuUQ==, tableContent=null), ArticleFig(id=1228046521736823735, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228046470474039843, language=EN, label=Fig.17, caption=
Main components of the vibration isolation unitunder test, figureFileSmall=1bDLLyWgsHpDiFigBzLf0A==, figureFileBig=MwQ/xKtxMMdSMkUgGSMYkg==, tableContent=null), ArticleFig(id=1228046521858458552, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228046470474039843, language=CN, label=图17, caption=
被测隔振单元的主要元件, figureFileSmall=1bDLLyWgsHpDiFigBzLf0A==, figureFileBig=MwQ/xKtxMMdSMkUgGSMYkg==, tableContent=null), ArticleFig(id=1228046521950733241, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228046470474039843, language=EN, label=Fig.18, caption=
Transmissibility of vibration isolation unit (SP1), figureFileSmall=4BcPcl9wGDpG2ILwzO6VPQ==, figureFileBig=6ngQ4Nm9GNlQBNmaG1D9gQ==, tableContent=null), ArticleFig(id=1228046522026230715, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228046470474039843, language=CN, label=图18, caption=
隔振单元传递率(SP1), figureFileSmall=4BcPcl9wGDpG2ILwzO6VPQ==, figureFileBig=6ngQ4Nm9GNlQBNmaG1D9gQ==, tableContent=null), ArticleFig(id=1228046522122699708, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228046470474039843, language=EN, label=Fig.19, caption=
Transmissibility of vibration isolation unit (SP2), figureFileSmall=VHTtnPdEvwG/v9wFHAlH5A==, figureFileBig=4d49CSCWBQfmC+fR1fn+zg==, tableContent=null), ArticleFig(id=1228046522202391486, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228046470474039843, language=CN, label=图19, caption=
隔振单元传递率(SP2), figureFileSmall=VHTtnPdEvwG/v9wFHAlH5A==, figureFileBig=4d49CSCWBQfmC+fR1fn+zg==, tableContent=null), ArticleFig(id=1228046522303054783, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228046470474039843, language=EN, label=Fig.20, caption=
Comparison of experimental results of transmissibility of vibration isolation unit with different springs, figureFileSmall=wbrAuzHCMRky0hb9XUXlYw==, figureFileBig=X6Jumlx1GkgoA4HODtB7OQ==, tableContent=null), ArticleFig(id=1228046522386940864, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228046470474039843, language=CN, label=图20, caption=
采用不同弹簧时隔振单元的传递率实验结果对比, figureFileSmall=wbrAuzHCMRky0hb9XUXlYw==, figureFileBig=X6Jumlx1GkgoA4HODtB7OQ==, tableContent=null), ArticleFig(id=1228046522458244033, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228046470474039843, language=EN, label=Tab.1, caption=
Parameters of reaction wheel and vibration isolation device
, figureFileSmall=null, figureFileBig=null, tableContent=
| 部件 | 参数 | 物理意义 | 数值 |
|---|
| 反作用飞轮 | /kg | 飞轮质量 | 4.5 |
| Irf/(kg∙m2) | 径向转动惯量 | 0.06 |
| Ipf/(kg∙m2) | 极惯量 | 0.1024 |
| Us/(kg∙m2) | 静不平衡量 | 0.75×10-5 |
| Ud/(kg∙m2) | 动不平衡量 | 8.0×10-7 |
/rad | 静不平衡量初始相位角 | 0 |
/rad | 动不平衡量初始相位角 | 0 |
| ω/(r∙min-1) | 转子转速 | 0~6000 |
| 隔振装置 | mp/kg | 安装平台的质量 | 6.0 |
| Ir/(kg∙m2) | 绕x(y)轴转动惯量 | 0.09 |
| Ip/(kg∙m2) | 绕z轴的转动惯量 | 0.12 |
| k/(N∙m-1) | 隔振单元刚度 | 1.0~5.0×104 |
| c | 瑞利阻尼系数 | 10 |
| l/m | 隔振单元长度 | 0.2~0.45 |
| R/Ω | 总电阻 | 7.5/4.7/4/2/1.5 |
| Ce/(N∙A-1) | 机电转换系数 | 12.83 |
), ArticleFig(id=1228046522533741506, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228046470474039843, language=CN, label=表1, caption=
反作用飞轮与隔振装置参数
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| 部件 | 参数 | 物理意义 | 数值 |
|---|
| 反作用飞轮 | /kg | 飞轮质量 | 4.5 |
| Irf/(kg∙m2) | 径向转动惯量 | 0.06 |
| Ipf/(kg∙m2) | 极惯量 | 0.1024 |
| Us/(kg∙m2) | 静不平衡量 | 0.75×10-5 |
| Ud/(kg∙m2) | 动不平衡量 | 8.0×10-7 |
/rad | 静不平衡量初始相位角 | 0 |
/rad | 动不平衡量初始相位角 | 0 |
| ω/(r∙min-1) | 转子转速 | 0~6000 |
| 隔振装置 | mp/kg | 安装平台的质量 | 6.0 |
| Ir/(kg∙m2) | 绕x(y)轴转动惯量 | 0.09 |
| Ip/(kg∙m2) | 绕z轴的转动惯量 | 0.12 |
| k/(N∙m-1) | 隔振单元刚度 | 1.0~5.0×104 |
| c | 瑞利阻尼系数 | 10 |
| l/m | 隔振单元长度 | 0.2~0.45 |
| R/Ω | 总电阻 | 7.5/4.7/4/2/1.5 |
| Ce/(N∙A-1) | 机电转换系数 | 12.83 |
), ArticleFig(id=1228046522655376323, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228046470474039843, language=EN, label=Tab.2, caption=
Natural frequencies and modes of the reaction wheel vibration isolation system
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| 阶次 | 模态 | 方向 | 固有频率/Hz |
|---|
| f1 | 平移 | 沿x轴 | 9.63 |
| f2 | 平移 | 沿y轴 | 9.63 |
| f3 | 弹跳 | 沿z轴 | 12.03 |
| f4 | 摇摆 | 绕x轴 | 18.87 |
| f5 | 摇摆 | 绕y轴 | 18.87 |
| f6 | 扭转 | 绕z轴 | 24.61 |
), ArticleFig(id=1228046522743456708, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228046470474039843, language=CN, label=表2, caption=
反作用飞轮隔振系统的固有频率和模态
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| 阶次 | 模态 | 方向 | 固有频率/Hz |
|---|
| f1 | 平移 | 沿x轴 | 9.63 |
| f2 | 平移 | 沿y轴 | 9.63 |
| f3 | 弹跳 | 沿z轴 | 12.03 |
| f4 | 摇摆 | 绕x轴 | 18.87 |
| f5 | 摇摆 | 绕y轴 | 18.87 |
| f6 | 扭转 | 绕z轴 | 24.61 |
), ArticleFig(id=1228046522835731397, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228046470474039843, language=EN, label=Tab.3, caption=
The value range of design parameters
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| 设计参数 | 范围 |
|---|
| k/(N∙m-1) | (1×104,5×104) |
| l/m | (0.2,0.5) |
| R/Ω | (1,6) |
), ArticleFig(id=1228046522898645958, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228046470474039843, language=CN, label=表3, caption=
设计参数的取值范围
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| 设计参数 | 范围 |
|---|
| k/(N∙m-1) | (1×104,5×104) |
| l/m | (0.2,0.5) |
| R/Ω | (1,6) |
), ArticleFig(id=1228046523028669383, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228046470474039843, language=EN, label=Tab.4, caption=
System parameters before and after optimization
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| k/(N∙m-1) | l/m | R/Ω |
|---|
| 优化前 | 3×104 | 0.3 | 4 |
| 优化后 | 1.5×104 | 0.27 | 2 |
), ArticleFig(id=1228046523112555464, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228046470474039843, language=CN, label=表4, caption=
优化前后系统的参数
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| k/(N∙m-1) | l/m | R/Ω |
|---|
| 优化前 | 3×104 | 0.3 | 4 |
| 优化后 | 1.5×104 | 0.27 | 2 |
), ArticleFig(id=1228046523192247241, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228046470474039843, language=EN, label=Tab. 5, caption=
Main parameters of the vibration isolation unit under test
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| 部件 | 参数 | 物理意义 | 数值 |
|---|
| 隔振单元 | ms/kg | 质量块 | 1.4 |
| ks/(N∙m-1) | 弹簧刚度 | 见表6“轴向刚度” |
| Cs/(Ns∙m-1) | 机械阻尼 | 10 |
| 电路 | R/Ω | 总电阻 | 7.5/4.7/1.5 |
), ArticleFig(id=1228046523255161802, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228046470474039843, language=CN, label=表5, caption=
被测隔振单元的主要参数
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| 部件 | 参数 | 物理意义 | 数值 |
|---|
| 隔振单元 | ms/kg | 质量块 | 1.4 |
| ks/(N∙m-1) | 弹簧刚度 | 见表6“轴向刚度” |
| Cs/(Ns∙m-1) | 机械阻尼 | 10 |
| 电路 | R/Ω | 总电阻 | 7.5/4.7/1.5 |
), ArticleFig(id=1228046523360019403, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228046470474039843, language=EN, label=Tab. 6, caption=
Main parameters of springs
, figureFileSmall=null, figureFileBig=null, tableContent=
| 参数 | 弹簧1(SP1) | 弹簧2(SP2) |
|---|
| 材料 | 铍青铜 | 弹簧钢 |
| 外径/mm | 90 | 90 |
| 厚度/mm | 1 | 1 |
| 轴向刚度/(N∙m-1) | 4900 | 8000 |
), ArticleFig(id=1228046523422933964, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228046470474039843, language=CN, label=表6, caption=
弹簧的主要参数
, figureFileSmall=null, figureFileBig=null, tableContent=
| 参数 | 弹簧1(SP1) | 弹簧2(SP2) |
|---|
| 材料 | 铍青铜 | 弹簧钢 |
| 外径/mm | 90 | 90 |
| 厚度/mm | 1 | 1 |
| 轴向刚度/(N∙m-1) | 4900 | 8000 |
), ArticleFig(id=1228046523511014349, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228046470474039843, language=EN, label=Tab. 7, caption=
Working condition of excitation
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| 频率/Hz | 幅值/N | 扫频速度/(Hz∙s-1) |
|---|
| 2~15 | 0.1~0.5,线性递增 | 0.1 |
| 15~100 | 0.5~5,线性递增 | 0.1 |
), ArticleFig(id=1228046523590706126, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228046470474039843, language=CN, label=表7, caption=
激励工况
, figureFileSmall=null, figureFileBig=null, tableContent=
| 频率/Hz | 幅值/N | 扫频速度/(Hz∙s-1) |
|---|
| 2~15 | 0.1~0.5,线性递增 | 0.1 |
| 15~100 | 0.5~5,线性递增 | 0.1 |
), ArticleFig(id=1228046523670397903, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228046470474039843, language=EN, label=Tab.8, caption=
Influence rules of EMSD on high and low-frequency systems
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| 电阻/Ω | 响应峰值/dB |
|---|
| SP1 | SP2 |
|---|
| 无阻尼 | 2.423 | — | 3.135 | — |
| 7.5 | 1.394 | 1.029 | 2.034 | 1.101 |
| 4.7 | 1.148 | 1.275 | 1.775 | 1.36 |
| 1.5 | 0.5347 | 1.8883 | 0.9409 | 2.1941 |
), ArticleFig(id=1228046523758478288, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228046470474039843, language=CN, label=表8, caption=
EMSD对高、低频系统的影响规律
, figureFileSmall=null, figureFileBig=null, tableContent=
| 电阻/Ω | 响应峰值/dB |
|---|
| SP1 | SP2 |
|---|
| 无阻尼 | 2.423 | — | 3.135 | — |
| 7.5 | 1.394 | 1.029 | 2.034 | 1.101 |
| 4.7 | 1.148 | 1.275 | 1.775 | 1.36 |
| 1.5 | 0.5347 | 1.8883 | 0.9409 | 2.1941 |
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