GNSS-based Spacecraft Formation Flying Simulation and Ionospheric Remote Sensing Applications

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dc.contributor.authorPeng, Yuxiangen
dc.contributor.committeechairScales, Wayne A.en
dc.contributor.committeememberSweeney, Dennis G.en
dc.contributor.committeememberBlack, Jonathan T.en
dc.contributor.departmentElectrical and Computer Engineeringen
dc.date.accessioned2017-10-09T22:46:16Zen
dc.date.available2017-10-09T22:46:16Zen
dc.date.issued2017-05-08en
dc.date.sdate2017-05-18en
dc.description.abstractThe Global Navigation Satellite System (GNSS) is significantly advantageous to absolute and relative navigation for spacecraft formation flying. Ionospheric remote sensing, such as Total Electron Content (TEC) measurements or ionospheric irregularity studies are important potential Low Earth Orbit (LEO) applications. A GNSS-based Hardware-in-the-loop (HIL) simulation testbed for LEO spacecraft formation flying has been developed and evaluated. The testbed infrastructure is composed of GNSS simulators, multi-constellation GNSS receiver(s), the Navigation & Control system and the Systems Tool Kit (STK) visualization system. A reference scenario of two LEO spacecraft is simulated with the initial in-track separation of 1000-m and targeted leader-follower configuration of 100-m along-track offset. Therefore, the feasibility and performance of the testbed have been demonstrated by benchmarking the simulation results with past work. For ionospheric remote sensing, multi-constellation multi-frequency GNSS receivers are used to develop the GNSS TEC measurement and model evaluation system. GPS, GLONASS, Galileo and Beidou constellations are considered in this work. Multi-constellation GNSS TEC measurements and the GNSS-based HIL simulation testbed were integrated and applied to design a LEO satellite formation flying mission for ionospheric remote sensing. A scenario of observing sporadic E is illustrated and adopted to demonstrate how to apply GNSS-based spacecraft formation flying to study the ionospheric irregularities using the HIL simulation testbed. The entire infrastructure of GNSS-based spacecraft formation flying simulation and ionospheric remote sensing developed at Virginia Tech is capable of supporting future ionospheric remote sensing mission design and validation.en
dc.description.degreeMaster of Scienceen
dc.identifier.otheretd-05182017-110525en
dc.identifier.sourceurlhttp://scholar.lib.vt.edu/theses/available/etd-05182017-110525/en
dc.identifier.urihttp://hdl.handle.net/10919/79594en
dc.language.isoen_USen
dc.publisherVirginia Techen
dc.rightsIn Copyrighten
dc.rights.urihttp://rightsstatements.org/vocab/InC/1.0/en
dc.subjectHIL Simulationen
dc.subjectRemote Sensingen
dc.subjectSpacecraft Formation Flyingen
dc.subjectGPSen
dc.subjectGNSSen
dc.subjectTECen
dc.subjectIonospheric Irregularityen
dc.subjectScintillationen
dc.titleGNSS-based Spacecraft Formation Flying Simulation and Ionospheric Remote Sensing Applicationsen
dc.typeThesisen
dc.type.dcmitypeTexten
thesis.degree.disciplineElectrical and Computer Engineeringen
thesis.degree.grantorVirginia Polytechnic Institute and State Universityen
thesis.degree.levelmastersen
thesis.degree.nameMaster of Scienceen

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