Development of multi-degree-of-freedom microvibration emulator for efficient jitter test of spacecraft

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dc.contributor.authorPark, Geeyongko
dc.contributor.authorLee, Dae Oenko
dc.contributor.authorHan, Jae-Hungko
dc.date.accessioned2014-08-28-
dc.date.available2014-08-28-
dc.date.created2014-02-13-
dc.date.created2014-02-13-
dc.date.issued2014-06-
dc.identifier.citationJOURNAL OF INTELLIGENT MATERIAL SYSTEMS AND STRUCTURES, v.25, no.9, pp.1069 - 1081-
dc.identifier.issn1045-389X-
dc.identifier.urihttp://hdl.handle.net/10203/187411-
dc.description.abstractA number of components and payload systems installed in satellites are found to be exposed to various disturbance sources, such as the reaction wheel assembly, the control moment gyro, coolers, and others. Low damping in space causes continuous microvibration that degrades the performance of various payload systems; this is customarily called jitter problem in spacecraft community. Various isolation systems have been developed to improve the performance of the optical payloads under the microvibration environments. During the spacecraft development process, an experimental validation of jitter effects (either controlled or not) on the performance of optical payloads using all the flight model components is not often conducted due to the scheduling issue or the product assurance activities. The disturbance characteristics of a prototype or an engineering model of the disturbance source such as reaction wheel assembly are significantly different from their flight model counterparts. Therefore, in order to facilitate jitter test as well as the performance evaluations of an isolator during the satellite development process, this article proposes a microvibration emulator that generates the real disturbance spectrums of flight models. The development procedure for the reaction wheel assembly emulator is described. Prototype single-axis and three-axis microvibration emulators are demonstrated, and the performances are evaluated by means of disturbance characteristics similar to those of the reaction wheel assembly.-
dc.languageEnglish-
dc.publisherSAGE PUBLICATIONS LTD-
dc.subjectACTIVE VIBRATION CONTROL-
dc.subjectISOLATION SYSTEM-
dc.titleDevelopment of multi-degree-of-freedom microvibration emulator for efficient jitter test of spacecraft-
dc.typeArticle-
dc.identifier.wosid000337573800005-
dc.identifier.scopusid2-s2.0-84901358472-
dc.type.rimsART-
dc.citation.volume25-
dc.citation.issue9-
dc.citation.beginningpage1069-
dc.citation.endingpage1081-
dc.citation.publicationnameJOURNAL OF INTELLIGENT MATERIAL SYSTEMS AND STRUCTURES-
dc.identifier.doi10.1177/1045389X14523852-
dc.embargo.liftdate9999-12-31-
dc.embargo.terms9999-12-31-
dc.contributor.localauthorHan, Jae-Hung-
dc.type.journalArticleArticle-
dc.subject.keywordAuthorEmulator-
dc.subject.keywordAuthormulti-degree of freedom-
dc.subject.keywordAuthormicrovibration-
dc.subject.keywordAuthoractive control-
dc.subject.keywordAuthoractuator-
dc.subject.keywordAuthorreaction wheel assembly-
dc.subject.keywordAuthoremulator-
dc.subject.keywordAuthorproof-mass actuator-
dc.subject.keywordAuthorvoice coil actuator-
dc.subject.keywordAuthorvibration generator-
dc.subject.keywordPlusACTIVE VIBRATION CONTROL-
dc.subject.keywordPlusISOLATION SYSTEM-
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AE-Journal Papers(저널논문)
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