dc.contributor.author Zanardi, M. C. dc.date.accessioned 2014-05-20T13:27:57Z dc.date.available 2014-05-20T13:27:57Z dc.date.issued 1998-01-01 dc.identifier http://getinfo.de/app/Prostate-seminal-vesicle-and-vasectomy-an-experimental/id/BLCP%3ACN030952958 dc.identifier.citation Spaceflight Dynamics 1998, Vol 100, Part 1 and 2. San Diego: Univelt Inc., v. 100, p. 551-564, 1998. dc.identifier.issn 1081-6003 dc.identifier.uri http://hdl.handle.net/11449/9272 dc.description.abstract Three sets of non-singular canonical variables for the rotational motion are analyzed. These sets are useful when the angle between z-axis of a coordinate system fixed in artificial satellite ( here defined by the directions of principal moments of inertia of the satellite) and the rotational angular momentum vector is zero or when the angle between Z-inertial axis and rotational angular momentum vector is zero. The goal of this paper is to compare all these sets and to determine the benefits of their uses. With this objective, the dynamical equations of each set were derived, when mean hamiltonian associate with the gravity gradient torque is included. For the torque-free rotational motion, analytical solutions are computed for symmetrical satellite for each set of variables. When the gravity gradient torque is included, an analytical solution is shown for one of the sets and a numerical solution is obtained for one of the other sets. By this analysis we can conclude that: the dynamical equation for the first set is simple but it has neither clear geometrical nor physical meaning; the other sets have geometrical and physical meaning but their dynamical equations are more complex. en dc.format.extent 551-564 dc.language.iso eng dc.publisher Univelt Inc dc.relation.ispartof Spaceflight Dynamics 1998, Vol 100, Part 1 and 2 dc.source Web of Science dc.title Attitude propagation using non-singular canonical variables en dc.type Trabalho apresentado em evento dcterms.rightsHolder Univelt Inc dc.contributor.institution Universidade Estadual Paulista (UNESP) dc.description.affiliation UNESP, Dept Math, Grp Dinam Orbital & Planetol, BR-12500000 Guaratingueta, SP, Brazil dc.description.affiliationUnesp UNESP, Dept Math, Grp Dinam Orbital & Planetol, BR-12500000 Guaratingueta, SP, Brazil dc.identifier.wos WOS:000078498700040 dc.rights.accessRights Acesso aberto unesp.campus Universidade Estadual Paulista (UNESP), Faculdade de Engenharia, Guaratinguetá pt

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