Now showing items 1-20 of 42

  • Abundance of attracting, repelling and elliptic periodic orbits in two-dimensional reversible maps 

    Delshams Valdés, Amadeu; Lázaro Ochoa, José Tomás; Gonchenko, S.V.; Sten'kin, Oleg (2012-01-12)
    External research report
    Open Access
    Abstract. We study dynamics and bifurcations of two-dimensional reversible maps having non-transversal heteroclinic cycles containing symmetric saddle periodic points. We consider one-parameter families of reversible ...
  • Analysis of the relative dynamics of a charged spacecraft moving under the influence of a magnetic field 

    Cheng, Yu; Gómez Muntané, Gerard; Masdemont Soler, Josep; Yuan, Jianping (2018-09-01)
    Article
    Restricted access - publisher's policy
    We analyse a dynamical scenario where a constantly charged spacecraft (follower) moves in the vicinity of another one (leader) that follows a circular Keplerian orbit around the Earth and generates a rotating magnetic ...
  • A note on libration point orbits, temporary capture and low-energy transfers 

    Fantino, Elena; Gómez, Gerard; Masdemont Soler, Josep; Ren, Yuan (2010-11)
    Article
    Restricted access - publisher's policy
  • Computation of libration point orbits and manifolds using collocation methods 

    Rogov, Kirill (Universitat Politècnica de Catalunya, 2016-07-13)
    Master thesis
    Open Access
    This thesis contains a methodology whose aim is to compute trajectories describing natural motion of the phase space in a neighborhood of Libtation points and stable/unstable manifolds which correspond to these orbits in ...
  • Confinement of spacecraft swarms in J2-perturbed orbits about the earth 

    García-Taberner, Laura; Masdemont Soler, Josep (2014)
    Conference report
    Open Access
    There have been studies of the reliability of a swarm [3], based on nano-satellites, that give a study for the num- ber of satellites that can be working as a period of time, with good results for a 5-10 anys time ...
  • Conservation of orbital angular momentum in crystals with a random domain distribution of nonlinearity in SHG 

    Rodríguez Fernández, Carlos Damián (Universitat Politècnica de Catalunya, 2016-09-07)
    Master thesis
    Open Access
    In this master thesis we build an experimental setup for studying the conservation of the orbital angular momentum (OAM) of light in second harmonic generation (SHG) in Strontium Barium Niobate (SBN) crystals with random ...
  • Coorbital periodic orbits in the three body problem 

    Cors Iglesias, Josep Maria; Hall, G.R. (2003-05)
    Article
    Open Access
    We consider the dynamics of coorbital motion of two small moons about a large planet which have nearly circular orbits with almost equal radii. These moons avoid collision because they switch orbits during each close ...
  • Dynamics and mission design near libration points, advanced methods for collinear points 

    Gómez, Gerard; Jorba, Angel; Masdemont Soler, Josep; Simó Torres, Carlos (2000)
    Article
    Open Access
    Preface and table of contents of a forthcoming book published by World Scientific
  • Dynamics and mission design near libration points, advanced methods for triangular points 

    Gómez, Gerard; Jorba, Angel; Masdemont Soler, Josep; Simó Torres, Carlos (2000)
    Article
    Open Access
    The final objective of this work is to understand, analyze and compute the kinds of motion that appear on a vicinity (may be a large vicinity) of the geometrically defined equilateral points of the Earth-Moon system, as a ...
  • Dynamics around the triangular libration points of 1999 KW4 

    Yuying, Liang; Gómez Muntané, Gerard; Masdemont Soler, Josep; Ming, Xu (2018)
    Conference report
    Restricted access - publisher's policy
    His paper studies the dynamics of stable regions for relatively long time intervals (practical stability) in the vicinity of the triangular equilibrium points of a binary asteroid with mass ratio µ larger than Rouths ...
  • Dynamics of the parabolic restricted three-body problem 

    Barrabés Vera, Esther; Cors Iglesias, Josep Maria; Ollé Torner, Mercè (2015-12-01)
    Article
    Open Access
    The main purpose of the paper is the study of the motion of a massless body attracted, under the Newton's law of gravitation, by two equal masses moving in parabolic orbits all over in the same plane, the planar parabolic ...
  • End-of-life disposal of libration point orbit spacecraft 

    Olikara, Zubin; Gómez Muntané, Gerard; Masdemont Soler, Josep (2013)
    Conference report
    Open Access
    In this work we investigate end-of-life trajectories for spacecraft in orbit about the Sun-Earth L 1 and L 2 libration points. A plan for decommission is often re- quired during the mission design process. We ...
  • Formation flying in space borne artificial magnetic dipole field 

    Cheng, Yu; Gómez Muntané, Gerard; Masdemont Soler, Josep; Yuan, Jianping (2017)
    Conference lecture
    Open Access
    In this paper, we consider a new dynamical scenario in which a constantly charged spacecraft (follower) moves near a leader spacecraft, which follows a circular Keplerian orbit around the Earth and generates a rotating ...
  • Impulsive transfers between lissajous libration point orbits 

    Canalias Vila, Elisabet; Cobos Lucas, Jordi; Masdemont Soler, Josep (2003)
    Article
    Open Access
    A complete methodology for the transfer between two Lissajous orbits around the same collinear equilibrium point is developed making use of the geometry of the phase space around these points. The result of the study ...
  • J2 effect and elliptic inclined periodic orbits in the collision three-body problem 

    Barrabes, Esther; Cors Iglesias, Josep Maria; Pinyol, Conxita; Soler Villanueva, Jaume (2008-01)
    Article
    Open Access
    The existence of a new class of inclined periodic orbits of the collision restricted three{body problem is shown. The symmetric periodic solutions found are perturbations of elliptic kepler orbits and they exist only for ...
  • Jet Transport propagation of uncertainties for orbits around the Earth 

    Pérez, Daniel; Masdemont Soler, Josep; Gómez Muntané, Gerard (2013)
    Conference report
    Open Access
    In this paper we present a tool to study the non-linear propagation of uncertainties for orbits around the Earth. The tool we introduce is known as Jet Transport and allows to propagate full neighborhoods of initial states ...
  • Leaving the Moon by means of invariant manifolds of libration point orbits 

    Masdemont Soler, Josep; Alessi, Elisa Maria; Gómez, Gerard (Elsevier, 2009)
    Article
    Restricted access - publisher's policy
    The aim of this work is to look for rescue trajectories that leave the surface of the Moon, belonging to the hyperbolic manifolds associated with the central manifold of the Lagrangian points L1 and L2 of the Earth–Moon ...
  • Libration transfer design using patched elliptic three-body models and graphics processing units 

    Peng, Hao; Bai, Xiaoli; Masdemont Soler, Josep; Gómez Muntané, Gerard; Xu, Shijie (2017-01-01)
    Article
    Open Access
    Copyright © 2016 by the American Institute of Aeronautics and Astronautics, Inc. Design of the transfer from lunar orbits to the sun-Earth libration point region by direct searching in the highfidelity ephemeris model is ...
  • Minimum-fuel escape from two body sun-earth system 

    Colasurdo, Guido; Casalino, Lorenzo; Fantino, Elena (1999)
    Article
    Restricted access - publisher's policy
    Escaping from the solar system by receiving gravity assist from the Earth is considered in this paper. A simple procedure,which neglects the eccentricity of the Earth’s orbit and uses the two-body problem equations and ...
  • Nonlinear dynamics in an extended neighbourhood of the translunar equilibrium point 

    Jorba, Angel; Masdemont Soler, Josep (1995)
    Article
    Open Access