Active control of flexible structures using fiber optic modal domain sensors

dc.contributor.authorCox, David E.en
dc.contributor.committeechairLindner, Douglas K.en
dc.contributor.committeememberClaus, Richard O.en
dc.contributor.committeememberBaumann, William T.en
dc.contributor.departmentElectrical Engineeringen
dc.date.accessioned2014-03-14T21:33:43Zen
dc.date.adate2009-04-14en
dc.date.available2014-03-14T21:33:43Zen
dc.date.issued1990-05-15en
dc.date.rdate2009-04-14en
dc.date.sdate2009-04-14en
dc.description.abstractThe use of a modal domain fiber optic sensor for vibration control of a flexible cantilevered beam is experimentally demonstrated. The sensor utilizes mode-mode interference in a two mode elliptical core fiber. The sensor covers a major portion of the beam, and produces a measurement based on the strain distribution in the beam. A distributed-effect model is developed for the fiber optic sensor, and verified through both static and dynamic tests. This model is incorporated into a active control system employing dynamic output feedback. The control system is shown to add damping to the low order modes of the beam. Numerical simulations are presented which concur with the experimental responses, in both open and closed loop tests.en
dc.description.degreeMaster of Scienceen
dc.format.extentxii, 111 leavesen
dc.format.mediumBTDen
dc.format.mimetypeapplication/pdfen
dc.identifier.otheretd-04142009-040548en
dc.identifier.sourceurlhttp://scholar.lib.vt.edu/theses/available/etd-04142009-040548/en
dc.identifier.urihttp://hdl.handle.net/10919/42074en
dc.language.isoenen
dc.publisherVirginia Techen
dc.relation.haspartLD5655.V855_1990.C69.pdfen
dc.relation.isformatofOCLC# 22397575en
dc.rightsIn Copyrighten
dc.rights.urihttp://rightsstatements.org/vocab/InC/1.0/en
dc.subject.lccLD5655.V855 1990.C69en
dc.subject.lcshFiber optics -- Researchen
dc.titleActive control of flexible structures using fiber optic modal domain sensorsen
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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