Design of a battery charger for the NASA EOS space platform

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dc.contributor.authorSizemore, Tomen
dc.contributor.departmentElectrical Engineeringen
dc.date.accessioned2014-03-14T21:48:09Zen
dc.date.adate2009-10-24en
dc.date.available2014-03-14T21:48:09Zen
dc.date.issued1991en
dc.date.rdate2009-10-24en
dc.date.sdate2009-10-24en
dc.description.abstractA battery charger design for the NASA Earth Observing System (EOS) Space Platform has been developed and tested. This thesis discusses the design of the battery charger power stage and its current and voltage control loops. The charger was designed to minimize the mass and to maximize the efficiency. In addition to restoring energy to the batteries, this charger regulates the spacecraft bus voltage during the transition between eclipse and sunlight. The battery charger design and analysis was facilitated by use of the model for the pulse-width-modulated (PWM) switch and the new continuous-time model for current-mode control. Analyses of the battery charger small-signal behavior are compared to hardware measurements to verify modeling accuracy.en
dc.description.degreeMaster of Scienceen
dc.format.extentviii, 126 leavesen
dc.format.mediumBTDen
dc.format.mimetypeapplication/pdfen
dc.identifier.otheretd-10242009-020221en
dc.identifier.sourceurlhttp://scholar.lib.vt.edu/theses/available/etd-10242009-020221/en
dc.identifier.urihttp://hdl.handle.net/10919/45300en
dc.language.isoenen
dc.publisherVirginia Techen
dc.relation.haspartLD5655.V855_1991.S565.pdfen
dc.relation.isformatofOCLC# 24622749en
dc.rightsIn Copyrighten
dc.rights.urihttp://rightsstatements.org/vocab/InC/1.0/en
dc.subject.lccLD5655.V855 1991.S565en
dc.subject.lcshSpace stationsen
dc.subject.lcshSpace vehicles -- Batteriesen
dc.titleDesign of a battery charger for the NASA EOS space platformen
dc.typeThesisen
dc.type.dcmitypeTexten
thesis.degree.disciplineElectrical Engineeringen
thesis.degree.grantorVirginia Polytechnic Institute and State Universityen
thesis.degree.levelmastersen
thesis.degree.nameMaster of Scienceen

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