Batch, sequential and hybrid approaches to spacecraft sensor alignment estimation

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dc.contributor.authorZanardi, M. C.
dc.contributor.authorShuster, M. D.
dc.contributor.institutionUniversidade Estadual Paulista (Unesp)
dc.contributor.institutionAcme Spacecraft Co
dc.date.accessioned2014-05-20T15:30:44Z
dc.date.available2014-05-20T15:30:44Z
dc.date.issued2003-07-01
dc.description.abstractTwo Kalman-filter formulations are presented for the estimation of spacecraft sensor misalignments from inflight data. In the first the sensor misalignments are part of the filter state variable; in the second, which we call HYLIGN, the state vector contains only dynamical variables, but the sensitivities of the filter innovations to the misalignments are calculated within the Kalman filter. This procedure permits the misalignments to be estimated in batch mode as well as a much smaller dimension for the Kalman filter state vector. This results not only in a significantly smaller computational burden but also in a smaller sensitivity of the misalignment estimates to outliers in the data. Numerical simulations of the filter performance are presented.en
dc.description.affiliationUNESP, Dept Math, Orbital Dynam & Planetol Grp, Guarantingueta, SP, Brazil
dc.description.affiliationAcme Spacecraft Co, Germantown, MD 20874 USA
dc.description.affiliationUnespUNESP, Dept Math, Orbital Dynam & Planetol Grp, Guarantingueta, SP, Brazil
dc.format.extent279-290
dc.identifier.citationJournal of the Astronautical Sciences. Springfield: Amer Astronautical Soc, v. 51, n. 3, p. 279-290, 2003.
dc.identifier.issn0021-9142
dc.identifier.urihttp://hdl.handle.net/11449/40057
dc.identifier.wosWOS:000223596500003
dc.language.isoeng
dc.publisherAmer Astronautical Soc
dc.relation.ispartofJournal of the Astronautical Sciences
dc.relation.ispartofjcr1.406
dc.relation.ispartofsjr0,461
dc.rights.accessRightsAcesso restrito
dc.sourceWeb of Science
dc.titleBatch, sequential and hybrid approaches to spacecraft sensor alignment estimationen
dc.typeArtigo
dcterms.rightsHolderAmer Astronautical Soc
unesp.campusUniversidade Estadual Paulista (Unesp), Faculdade de Engenharia, Guaratinguetápt

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