Ara es mostren els items 14-33 de 101

    • Capturing small asteroids into a Sun-Earth Lagrangian point 

      Lladó, Neus; Ren, Yuan; Masdemont Soler, Josep; Gómez Muntané, Gerard (2014-02-01)
      Article
      Accés restringit per política de l'editorial
      In this paper we address the feasibility of capturing small Near-Earth Asteroids (NEAs) into the vicinity of the Sun-Earth L-2 libration point using a continuous-thrust propulsion system assumed to be attached to the ...
    • Capturing small asteroids into Sun-Earth Lagrangian points for mining purposes 

      Lladó, Neus; Ren, Yuan; Masdemont Soler, Josep; Gomez Muntaner, Gerard (2012)
      Text en actes de congrés
      Accés obert
      The aim of this paper is to study the capture of small Near Earth Objects (NEOs) into the Sun-Earth L2 using low-thrust propulsion for mining or science purposes. As it is well known, the vicinity of these points is inside ...
    • Càlcul numèric 

      Bonet Revés, Carles; Jorba Monte, Angel; Martínez-Seara Alonso, M. Teresa; Masdemont Soler, Josep; Ollé Torner, Mercè; Susín Sánchez, Antonio; València Guitart, Marta (Edicions UPC, 1994)
      Llibre
      Accés restringit a la comunitat UPC
      El llibre Càlcul numèric conté les eines i bases fonamentals dels algotimes de computació. La seva presentació, exempta de formalismes excessivament teòrics, el fa molt adequat per al lector que, sense voler aprofundir ...
    • Com les Varietats Invariants formen Espirals i Anells en Galàxies barrades 

      Romero Gómez, Mercè; Sánchez-Martín, Patricia; Masdemont Soler, Josep (2014)
      Article
      Accés obert
      L'espectacularitat de les galàxies barrades consisteix no solament en la presència de la barra, allargada en el centre de la galàxia, sinó també en els braços espirals o anells que es desenvolupen en les parts exteriors. ...
    • Computation of analytical solutions of the relative motion about a Keplerian elliptic orbit 

      Ren, Yuan; Masdemont Soler, Josep; Marcote, Manuel; Gómez, Gerard (2012-01)
      Article
      Accés restringit per política de l'editorial
      The purpose of this paper is to obtain a third-order expression, for the in-plane and out-of-plane amplitudes, of the solutions of the elliptic Hill–Clohessy–Wiltshire non-linear equations. The resulting third-order solution ...
    • Computational methodologies for quasi-periodic orbits and invariant manifold connections in non-autonomous problems 

      Li, Ruilong; Masdemont Soler, Josep; Zhu, Zhanxia (International Astronautical Federation (IAF), 2023)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      Semi-analytical and numerical techniques to systematically analyze and compute natural connections between quasi-periodic orbits associated to non-autonomous systems are considered. Focusing in the non-autonomous Sun-Earth+Moon ...
    • Confinement of spacecraft swarms in J2-perturbed orbits about the earth 

      García-Taberner, Laura; Masdemont Soler, Josep (2014)
      Text en actes de congrés
      Accés obert
      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 ...
    • Credit risk contributions under the Vasicek one-factor model: a fast wavelet expansion approximation 

      Masdemont Soler, Josep; Ortiz-Gracia, Luis (2014-06)
      Article
      Accés obert
      To measure the contribution of individual transactions inside the total risk of a credit portfolio is a major issue in financial institutions. VaR Contributions (VaRC) and Expected Shortfall Contributions (ESC) have become ...
    • Curs d'elements finits amb aplicacions 

      Masdemont Soler, Josep (Edicions UPC, 2002)
      Llibre
      Accés restringit a la comunitat UPC
      El llibre Curs d'elements finits amb aplicacions conté les eines i les bases d'un curs introductori d'elements finits, amb algunes ampliacions i referències de conceptes més avançats. La presentació, feta a partir dels ...
    • Design of ganymede-synchronous frozen orbit around Europa 

      Huang, Xuxing; Yang, Bin; Li, Shuang; Feng, Jinglang; Masdemont Soler, Josep (Multidisciplinary Digital Publishing Institute (MDPI), 2023-01-01)
      Article
      Accés obert
      A Ganymede-synchronous frozen orbit around Europa provides a stable spatial geometry between a Europa probe and a Ganymede lander, which facilitates the observation of Ganymede and data transmission between probes. However, ...
    • Detecting invariant manifolds using hyperbolic Lagrangian coherent structures 

      Pérez, Daniel; Gómez Muntané, Gerard; Masdemont Soler, Josep (2012)
      Article
      Accés obert
      Using as reference test model the Planar Circular Restricted Three Body Prob- lem, this paper explores its Lagrangian Coherent Structures, as well as its Hy- perbolic Lagrangian Coherent Structures. The purpose is to ...
    • Detecting invariant manifolds using Lagrangian coherent structures 

      Pérez, Daniel; Gómez Muntané, Gerard; Masdemont Soler, Josep (2012)
      Text en actes de congrés
      Accés obert
      Using as reference test model the Planar Circular Restricted Three Body Problem, this paper explores its Lagrangian Coherent Structures, as well as its Hyperbolic Lagrangian Coherent Structures. The purpose is to identify ...
    • Dynamic analysis of Europa Probe considering J2 perturbation of Jupiter 

      Huang, Xuxing; Masdemont Soler, Josep; Li, Shuang (American Institute of Aeronautics and Astronautics, 2024-01-01)
      Article
      Accés obert
    • Dynamic mechanisms for spacecraft disposal from Sun-Earth libration points 

      Olikara, Zubin; Masdemont Soler, Josep; Gómez Muntané, Gerard (2015-10-31)
      Article
      Accés restringit per política de l'editorial
      This work investigates end-of-life trajectories for spacecraft in orbit about the sun–Earth L1
    • Dynamics and mission design near libration points, advanced methods for collinear points 

      Gómez, Gerard; Jorba, Angel; Masdemont Soler, Josep; Simó Torres, Carlos (2000)
      Article
      Accés obert
      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
      Accés obert
      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)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      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 in the centre manifold around equilibrium points in periodically perturbed three-body problems 

      Le Bihan, Bastien; Masdemont Soler, Josep; Gómez Muntané, Gerard; Lizy-Destrez, Stephanie (2016)
      Text en actes de congrés
      Accés obert
      A new application of the parameterization method is pre- sented to compute invariant manifolds about the equilib- rium points of Periodically Perturbed Three-Body Problems ( PPTBP ). These techniques are applied to obtain ...
    • Dynamics of solar radiation pressure-assisted maneuvers between lissajous orbits 

      Stefania, Soldini; Masdemont Soler, Josep; Gómez Muntané, Gerard (2019-04-01)
      Article
      Accés obert
      The analysis of the phase space geometry around the artificial L1,2 equilibrium points of the circular restricted three-body problem, including solar radiation pressure, is used to investigate “propellant-free” transfers ...
    • Editorial: astrodynamics, guidance, navigation and control in chaotic multi-body environments 

      Colagrossi, Andrea; Lizy-Destrez, Stephanie; Baresi, Nicola; Masdemont Soler, Josep; Bucci, Lorenzo (Frontiers Media SA, 2022-10-26)
      Article
      Accés obert