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dc.contributor.authorCañas Muñoz, Valentin
dc.contributor.authorGonzález, David
dc.contributor.authorBecedas, Jonathan
dc.contributor.authorRodríguez Donaire, Silvia
dc.contributor.authorGarcía-Almiñana, Daniel
dc.contributor.authorSureda Anfres, Miquel
dc.contributor.authorNieto, Miriam
dc.contributor.authorMuñoz, Candia
dc.contributor.otherUniversitat Politècnica de Catalunya. Departament d'Enginyeria de Projectes i de la Construcció
dc.contributor.otherUniversitat Politècnica de Catalunya. Departament de Física
dc.identifier.citationCañas, V. [et al.]. Attitude control for satellites flying in VLEO using aerodynamic surfaces. "JBIS: journal of the British Interplanetary Society", 2020, vol. 73, p. 103-112.
dc.description.abstractThis paper analyses the use of aerodynamic control surfaces, whether passive or active, in order to carry out very low Earth orbit (VLEO) attitude maneuver operations. Flying a satellite in a very low Earth orbit with an altitude of less than 450 km, namely VLEO, is a technological challenge. It leads to several advantages, such as increasing the resolution of optical payloads or increase signal to noise ratio, among others. The atmospheric density in VLEO is much higher than in typical low earth orbit altitudes, but still free molecular flow. This has serious consequences for the maneuverability of a satellite because significant aerodynamic torques and forces are produced. In order to guarantee the controllability of the spacecraft they have to be analyzed in depth. Moreover, at VLEO the density of atomic oxygen increases, which enables the use of air-breathing propulsion (ABEP). Scientists are researching in this field to use ABEP it as a drag compensation system, and consequently an attitude control based on aerodynamic control could make sense. This combination of technologies may represent an opportunity to open new markets.In this work, several satellite geometric configurations were considered to analyze aerodynamic control:3 axis control with feather configuration and 2 axis controlwith shuttlecock configuration.The analysis was performed by simulating the attitude of the satellite as well as the disturbances affecting the spacecraft. The models implemented to simulate the disturbances were the following: Gravitational gradient torque disturbance, magnetic dipole torque disturbance (magnetic field model IGRF12), and aerodynamic torque disturbances (aerodynamic model DTM2013 and wind model HWM14). The maneuvers analyzedwere the following: detumbling orattitude stabilization, pointing and demisability. Different VLEO parameterswere analyzed for every geometric configuration and spacecraft maneuver. The results determined which of the analyzed geometric configurations suits better for every maneuver. This work is part of the H2020 DISCOVERER project. Project ID 737183
dc.description.sponsorshipThis work has received funding from the European Union’s Horizon 2020 research and innovation programme, DISCOVERER project, under grant agreement No ID 737183
dc.format.extent10 p.
dc.publisherBritish Interplanetary Society
dc.subjectÀrees temàtiques de la UPC::Enginyeria de la telecomunicació::Radiocomunicació i exploració electromagnètica::Satèl·lits i ràdioenllaços
dc.subjectÀrees temàtiques de la UPC::Física::Astronomia i astrofísica
dc.subject.lcshArtificial satellites--Attitude control systems
dc.subject.otherAerodynamic Attitude Control
dc.subject.otherControl Algorithms
dc.subject.otherGas Surface Interaction
dc.titleAttitude control for satellites flying in VLEO using aerodynamic surfaces
dc.subject.lemacSatèl·lits artificials -- Sistemes de control d'actitud
dc.contributor.groupUniversitat Politècnica de Catalunya. TUAREG - Turbulence and Aerodynamics in Mechanical and Aerospace Engineering Research Group
dc.contributor.groupUniversitat Politècnica de Catalunya. L'AIRE - Laboratori Aeronàutic i Industrial de Recerca i Estudis
dc.rights.accessRestricted access - publisher's policy
dc.description.versionPostprint (published version)
dc.relation.projectidinfo:eu-repo/grantAgreement/EC/H2020/737183/EU/DISCOVERER – DISruptive teChnOlogies for VERy low Earth oRbit platforms/DISCOVERER
local.citation.authorCañas, V.; González, D.; Becedas, J.; Rodriguez-Donaire, S.; Garcia-Almiñana, Daniel; Sureda, M.; Nieto, M.; Muñoz, C.
local.citation.publicationNameJBIS: journal of the British Interplanetary Society

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