Publication:
Guidance for autonomous spacecraft repointing under attitude constraints and actuator limitations

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dc.affiliation.dptoUC3M. Departamento de Ingeniería Aeroespaciales
dc.affiliation.grupoinvUC3M. Grupo de Investigación: Ingeniería Aeroespaciales
dc.contributor.authorPonche, Alison
dc.contributor.authorMarcos Esteban, Andres
dc.contributor.authorOtt, Thomas
dc.contributor.authorGeshnizjani, Ramin
dc.contributor.authorLoehr, Johannes
dc.date.accessioned2024-01-19T15:48:59Z
dc.date.available2024-01-19T15:48:59Z
dc.date.issued2023-06-01
dc.description.abstractCurrent and future space observation missions need to perform many large-angle, multi-axis slew maneuvers between observations while keeping the scientific instrument's attitude in a safe region. The state-of-practice typically divides each multi-axis maneuver into a series of single-axis sub-maneuvers, each of which is computed by restricting its guidance solution to the exact spacecraft momentum capacity. This ensures that the constraints are explicitly considered and results in a simple on-board implementation of the guidance algorithm, but is time-consuming and non-optimal for the whole multi-axis maneuver. Addressing this issue, this article presents a novel analytical guidance approach that relies on the convexity of the permissible attitude zone. The proposed guidance is time-optimal for a given spacecraft design and set of admissible observation targets. Both guidance approaches are compared using a multi-body/multi-actuator benchmark spacecraft, whose complex repointing phase requires an autonomous on-board guidance computation. It is shown that the proposed approach is systematic and that the reduction in maneuver time, compared to the state-of-practice approach, is considerable.en
dc.description.statusPublicadoes
dc.identifier.bibliographicCitationActa Astronautica, (2023), 207, pp: 340-352es
dc.identifier.doihttps://doi.org/10.1016/j.actaastro.2023.03.020
dc.identifier.issn0094-5765
dc.identifier.publicationfirstpage340
dc.identifier.publicationlastpage352
dc.identifier.publicationtitleACTA ASTRONAUTICAes
dc.identifier.publicationvolume207
dc.identifier.urihttps://hdl.handle.net/10016/39383
dc.identifier.uxxiAR/0000033588
dc.language.isoengen
dc.publisherElsevier Ltdes
dc.rights© 2023 The Authors. Published by Elsevier Ltd on behalf of IAA. This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/).en
dc.rightsAtribución-NoComercial-SinDerivadas 3.0 España
dc.rights.accessRightsopen accessen
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/3.0/es/
dc.subject.ecienciaAeronáuticaes
dc.subject.otherConstrained guidanceen
dc.subject.otherMomentum envelopesen
dc.subject.otherOnline computationen
dc.titleGuidance for autonomous spacecraft repointing under attitude constraints and actuator limitationsen
dc.typeresearch articleen
dc.type.hasVersionVoRen
dspace.entity.typePublication
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