Please use this identifier to cite or link to this item: https://doi.org/10.1080/00207721.2012.683834
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dc.titleActive vibration isolation based on model reference adaptive control
dc.contributor.authorLiu, L.
dc.contributor.authorTan, K.K.
dc.contributor.authorGuo, Y.
dc.contributor.authorCong, M.
dc.contributor.authorLee, T.H.
dc.date.accessioned2014-06-17T02:36:35Z
dc.date.available2014-06-17T02:36:35Z
dc.date.issued2014-02-01
dc.identifier.citationLiu, L., Tan, K.K., Guo, Y., Cong, M., Lee, T.H. (2014-02-01). Active vibration isolation based on model reference adaptive control. International Journal of Systems Science 45 (2) : 97-108. ScholarBank@NUS Repository. https://doi.org/10.1080/00207721.2012.683834
dc.identifier.issn00207721
dc.identifier.urihttp://scholarbank.nus.edu.sg/handle/10635/54881
dc.description.abstractHigh-performance instruments are very sensitive to vibrations and jitters. In this article, a new approach towards multi-degree-of-freedom (DOF) active vibration isolation and its application in spacecraft jitter suppression are presented. Model reference adaptive control (MRAC) with acceleration feedback is used to isolate random disturbances. However, a side effect of this algorithm is that displacements at low frequencies are amplified. Thus, the MRAC is augmented with proportional-integral-differential (PID) displacement feedback to suppress vibration displacements. The MRAC-PID composite control is applied to a 4-leg platform to isolate vibrations and suppress tip/tilt jitters. The scheme is also used to isolate 6-DOF vibrations and steer the payload of a flexible spacecraft. Satisfactory performance of vibration isolation and jitter attenuation has been observed. © 2014 Taylor and Francis.
dc.description.urihttp://libproxy1.nus.edu.sg/login?url=http://dx.doi.org/10.1080/00207721.2012.683834
dc.sourceScopus
dc.subjectactive vibration isolation
dc.subjectcomposite control
dc.subjectflexible spacecraft
dc.subjectjitter attenuation
dc.subjectStewart platform
dc.typeArticle
dc.contributor.departmentELECTRICAL & COMPUTER ENGINEERING
dc.description.doi10.1080/00207721.2012.683834
dc.description.sourcetitleInternational Journal of Systems Science
dc.description.volume45
dc.description.issue2
dc.description.page97-108
dc.description.codenIJSYA
dc.identifier.isiut000324673600002
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