Ara es mostren els items 41-60 de 101

    • Geometrical analysis of station-keeping strategies about libration point orbits 

      Farrés Basiana, Ariadna; Gao, Chen; Masdemont Soler, Josep; Gomez, Gerard; Folta, Dave C.; Webster, Cassandra (American Institute of Aeronautics and Astronautics, 2022-02-14)
      Article
      Accés restringit per política de l'editorial
      Throughout the years, different strategies have been proposed for the station-keeping around the libration point orbits. In this paper, a geometrical comparative analysis is performed between different approaches making ...
    • Global analysis of direct transfers from lunar orbits to sun-earth libration point regimes 

      Masdemont Soler, Josep; Gómez Muntané, Gerard; Peng, Hao (Springer Nature, 2021-04-01)
      Article
      Accés obert
      In this paper we look forward to obtain a global picture of simple transfer opportunities from Lunar to Sun-Earth libration orbits, useful for a preliminary design of these mission scenarios. Considering the trajectory of ...
    • Haar wavelets based approach for quantifying credit portfolio loses 

      Masdemont Soler, Josep; Ortiz-Gracia, Luís (2011)
      Article
      Accés restringit per política de l'editorial
      This paper proposes a new methodology to compute Value at Risk (VaR) for quantifying losses in credit portfolios. We approximate the cumulative distribution of the loss function by a finite combination of Haar wavelet ...
    • High accuracy state and parameter estimation of GEO-stationary satellites using Jet Transport based nonlinear filtering algorithm 

      Chen, Jianlin; Masdemont Soler, Josep; Gómez Muntané, Gerard; Yuan, Jianping (2018)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      We consider the problem of state and parameter estimation for geostationary spacecraft in an accurate and efficient way. For this purpose we implement a Jet Transport Taylor technique in two coordinate representations, ...
    • High order dynamical systems approaches for low-thrust station-keeping of libration point orbits 

      Gao, Chen; Masdemont Soler, Josep; Gómez, Gerard; Chen, Jianlin; Yuan, Jianping (2022-01-01)
      Article
      Accés obert
      We derive two families of low-thrust station-keeping control procedures based on the dynamical properties of the phase space near libration point orbits. The first family is obtained as the limit of impulsive maneuvers, ...
    • High-fidelity trajectory design to flyby near-Earth asteroids using Cubesats 

      Machuca, Pablo; Sánchez Cuartielles, Joan Pau; Masdemont Soler, Josep; Gómez Muntané, Gerard (2019-09-02)
      Article
      Accés restringit per política de l'editorial
      Fast development of CubeSat technology now enables the first interplanetary missions. The potential application of CubeSats to flyby near-Earth asteroids is explored in this paper in consideration of CubeSats' limited ...
    • Homoclinic and heteroclinic transfer trajectories between Lyapunov orbits in the Sun-Earth and Earth-Moon systems 

      Canalias Vila, Elisabet; Masdemont Soler, Josep (2004)
      Article
      Accés obert
      In this paper a method for finding homoclinic and heteroclinic connections between Lyapunov orbits using invariant manifolds in a given energy surface of the planar restricted circular three body problem is developed. Moreover, ...
    • Impulsive transfers between lissajous libration point orbits 

      Canalias Vila, Elisabet; Cobos Lucas, Jordi; Masdemont Soler, Josep (2003)
      Article
      Accés obert
      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 ...
    • Introducció a la simulació 

      Jorba Monte, Angel; Masdemont Soler, Josep (UPC, 1995)
      Llibre
      Accés restringit a la comunitat UPC
      El llibre Introducció a la simulació conté les eines i bases fonamentals dels mètodes emprats en la simulació per ordinador. El contingut, lluny de fer presentacions excessivament teòriques, s'organitza de manera adequada ...
    • Invariant manifolds of a non-autonomous quasi-bicircular problem computed via the parameterization method 

      Le Bihan, Bastien; Masdemont Soler, Josep; Gómez Muntané, Gerard; Lizy-Destrez, Stephanie (2017-08-01)
      Article
      Accés obert
      The parameterization method (pm) has been used to compute high-order parameterizations of invariant manifolds of vector fields at fixed points. This paper extends such approach to invariant manifolds of periodically-perturbed ...
    • Jet Transport propagation of uncertainties for orbits around the Earth 

      Pérez, Daniel; Masdemont Soler, Josep; Gómez Muntané, Gerard (2013)
      Text en actes de congrés
      Accés obert
      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 ...
    • Jet transport-based analysis of absolute reachable domain under a single impulse 

      Zhang, Junhua; Chen, Jianlin; Li, Wenchao; Masdemont Soler, Josep; Shi, Min (International Astronautical Federation (IAF), 2023)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      This paper proposes a jet transport-based semi-analytical method to precisely compute spacecraft absolute reachable domain under a single impulse, with the consideration of the main orbital perturbations. Firstly, the ...
    • Jet transport-based nonlinear state and parameter estimation for geostationary spacecraft 

      Chen, Jianlin; Masdemont Soler, Josep; Gómez Muntané, Gerard; Yuan, Jianping (2019-11-01)
      Article
      Accés obert
      Based on the jet transport technique, this paper proposes a novel nonlinear Kalman filter for simultaneously estimating the spacecraft state vector and uncertain parameters, either physically related with the spacecraft ...
    • Leaving the Moon by means of invariant manifolds of libration point orbits 

      Masdemont Soler, Josep; Alessi, Elisa Maria; Gómez, Gerard (Elsevier, 2009)
      Article
      Accés restringit per política de l'editorial
      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
      Accés obert
      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 ...
    • Low-energy impact dynamics in the Earth – Moon system 

      Masdemont Soler, Josep; Gómez Muntané, Gerard; Alessi, Elisa Maria (2010)
      Text en actes de congrés
      Accés obert
      Most of the craters on the surface of the Moon were created by the collision of minor bodies of the Solar System, in particular asteroids coming from the Main Belt as a consequence of different types of resonance. Our ...
    • Low-energy trajectory design and autonomous navigation to flyby near-Earth asteroids using CubeSats 

      Machuca, Pablo; Sànchez Cuartielles, Joan Pau; Masdemont Soler, Josep; Gómez Muntané, Gerard (2018)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      In response to the current interest in CubeSats and potential applications for planetary exploration, this work studies the feasibility of using autonomous CubeSats to flyby near-Earth asteroids. Considering the limited ...
    • Low-thrust station-keeping control for lunar near rectilinear halo orbits 

      Gao, Chen; Masdemont Soler, Josep; Gómez Muntaner, Gerard; Yuan, Jianping (Springer Nature, 2023-04-01)
      Article
      Accés obert
      This paper studies a low-thrust station-keeping of near rectilinear halo orbits in the Earth–Moon quasi-bicircular dynamical model, and it is illustrated using resonant near rectilinear halo orbits as nominal orbits. The ...
    • Maneuvering spacecraft formations using a dynamically maneuvering spacecraft formations using a dynamically adapted finite element methodology 

      Masdemont Soler, Josep; García Taberner, Laura (2009)
      Article
      Accés restringit per política de l'editorial
      The formation reconfiguration or the deployment of multiple spacecraft is a key issue that demands a robust methodology safely avoiding collision hazards. In this paper we present a systematic procedure to perform proximity ...
    • Maneuvering spacraft formations using a dynamically adapted finite element methodology 

      Masdemont Soler, Josep; García Taberner, Laura (2009-11-10)
      Article
      Accés restringit per política de l'editorial
      The formation reconfiguration or the deployment of multiple spacecraft is a key issue that demands a robust methodology safely avoiding collision hazards. In this paper we present a systematic procedure to perform ...