Environmental effects on interferometric fiber optic gyroscope performance

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buir.advisorÖzbay, Ekmel
dc.contributor.authorOsunluk, Berk
dc.date.accessioned2021-02-15T08:17:32Z
dc.date.available2021-02-15T08:17:32Z
dc.date.copyright2021-02
dc.date.issued2021-02
dc.date.submitted2021-02-10
dc.departmentDepartment of Electrical and Electronics Engineeringen_US
dc.descriptionCataloged from PDF version of article.en_US
dc.descriptionThesis (Ph.D.): Bilkent University, Department of Electrical and Electronics Engineering, İhsan Doğramacı Bilkent University, 2021.en_US
dc.descriptionIncludes bibliographical references (leaves 105-110).en_US
dc.description.abstractToday main performance limitations for fiber optic gyroscope technology are its sensitivity to temperature fluctuations and vibration. Shupe error is the main error source for both disturbances. We propose an approach to reduce the thermal sensitivity by controlling the strain inhomogeneity through the fiber coil. The approach is based on advanced fiber coil modeling, which is verified by a series of experiments. Vibration is often a neglected disturbance by the researchers as it highly depends on the integrated platform. We propose a model for bias error formation due to optical power fluctuations under vibration. Model is composed of power fluctuation characteristics, spurious rotation rate formation due to mechanical Shupe error, and the suppression of the rotation rate by the closed-loop operation. Lastly, we introduce the concept of angle random walk performance degradation under vibration due to interferogram nonlinearity.en_US
dc.description.degreePh.D.en_US
dc.description.statementofresponsibilityby Berk Osunluken_US
dc.format.extentxiv, 110 leaves : charts, graphics ; 30 cm.en_US
dc.identifier.itemidB150679
dc.identifier.urihttp://hdl.handle.net/11693/55131
dc.language.isoEnglishen_US
dc.publisherBilkent Universityen_US
dc.rightsinfo:eu-repo/semantics/openAccessen_US
dc.subjectFiber optic gyroscopeen_US
dc.subjectShupe erroren_US
dc.subjectThermal sensitivityen_US
dc.subjectVibrationen_US
dc.subjectBiasen_US
dc.subjectAngle random walk (ARW)en_US
dc.subjectInterference nonlinearityen_US
dc.titleEnvironmental effects on interferometric fiber optic gyroscope performanceen_US
dc.title.alternativeGirişimölçücü fiber optik dönüölçer performansı üzerine çevresel etkileren_US
dc.typeThesisen_US

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