Ara es mostren els items 1-20 de 24

  • A distributed attitude control law for formation flying based on the Cucker-smale model 

    Paita, Fabrizio; Gómez Muntané, Gerard; Masdemont Soler, Josep (2014)
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    In this paper we consider the attitude synchronization problem for a swarm of spacecrafts flying in formation. Starting from previous works on consensus dynamics, we construct a distributed attitude control law and derive ...
  • A note on the dynamics around the Lagrange collinear points of the Earth-Moon system in a complete Solar System model 

    Lian, Yijun; Gómez Muntané, Gerard; Masdemont Soler, Josep; Tang, Guojian (2013-02)
    Article
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    In this paper we study the dynamics of a massless particle around the L 1,2 libration points of the Earth–Moon system in a full Solar System gravitational model. The study is based on the analysis of the quasi-periodic ...
  • A note on the dynamics around the Lagrange points of the Earth-Moon system in a complete Solar System model 

    Lian, Yijun; Gómez Muntané, Gerard; Masdemont Soler, Josep; Tang, Guojian (2013)
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    This paper studies the dynamics of a massless particle around the libration points of the Earth - Moon system in a full Solar System gravitational model. The study is based on the analysis of the quasi - periodic ...
  • A note on Weak Stability Boundaries 

    García González, Fernando; Gómez Muntané, Gerard (2006-12-08)
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    This paper is devoted to clarify the algorithmic definition of the weak stability boundary in the framework of the planar Restricted Three Body Problem. The role of the invariant hyperbolic manifolds associated to the ...
  • Capturing small asteroids into a Sun-Earth Lagrangian point 

    Lladó, Neus; Ren, Yuan; Masdemont Soler, Josep; Gómez Muntané, Gerard (2014-02-01)
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    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 ...
  • Detecting invariant manifolds using hyperbolic Lagrangian coherent structures 

    Pérez, Daniel; Gómez Muntané, Gerard; Masdemont Soler, Josep (2012)
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    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)
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    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 mechanisms for spacecraft disposal from Sun-Earth libration points 

    Olikara, Zubin; Masdemont Soler, Josep; Gómez Muntané, Gerard (2015-10-31)
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    This work investigates end-of-life trajectories for spacecraft in orbit about the sun–Earth L1
  • End-of-life disposal of libration point orbit spacecraft 

    Olikara, Zubin; Gómez Muntané, Gerard; Masdemont Soler, Josep (2013)
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    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 ...
  • Fast numerical computation of Lissajous and quasi-halo libration point trajectories 

    Mondelo, Josep Maria; Barrabes, E.; Gómez Muntané, Gerard; Ollé Torner, Mercè (2012)
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    In this paper we present a methodology for the automatic generation of quasi–periodic libration point trajectories (Lissajous and quasi–halo) of the Spatial, Circular Restricted Three–Body Problem. This methodology is ...
  • Jet Transport propagation of uncertainties for orbits around the Earth 

    Pérez, Daniel; Masdemont Soler, Josep; Gómez Muntané, Gerard (2013)
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    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 ...
  • Low-energy impact dynamics in the Earth – Moon system 

    Masdemont Soler, Josep; Gómez Muntané, Gerard; Alessi, Elisa Maria (2010)
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    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 ...
  • Natural configurations for formation flying around triangular libration points for the elliptic and the bicircular problem in the earth-moon system 

    Salazar, Francisco; Winter, O. C.; Macau, E.E.N.; Masdemont Soler, Josep; Gómez Muntané, Gerard (2014)
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    The concept of Satellite Formation Flying (SFF) means to have two or more satellites in orbit such that their relative positions remain constant or obeying a certain dynamical configuration along the trajectory. This ...
  • Natural formations at the Earth-Moon triangular point in perturbed restricted problems 

    Salazar, Francisco; Winter, O. C.; Macau, E.E.N.; Masdemont Soler, Josep; Gómez Muntané, Gerard (2015-07-01)
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    Previous studies for small formation flying dynamics about triangular libration points have determined the existence of regions of zero and Minimum Relative Radial Acceleration with respect to the nominal trajectory, that ...
  • On the mechanisms of natural transport in the solar system 

    Masdemont Soler, Josep; Ren, Yuan; Gómez Muntané, Gerard; Fantino, Elena (2010)
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    Some minor bodies in the solar system (i.e., comets, asteroids and planetary ejecta) are capable of performing transfers from their original location to very distant places, provided they possess sufficiently large ...
  • On the relationship between the weak stability boundary region of the earth and the low-energy transfers to the moon 

    Masdemont Soler, Josep; Ren, Yuan; Gómez Muntané, Gerard; Fantino, Elena (2009)
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    The term Weak Stability Boundary (WSB) is related to a region of stable motion around the second primary of a circular restricted three-body problem (CR3BP). Previous work on this subject has shown that, at a given energy ...
  • On the relationship between the weak stability boundary region of the earth and the low-energy transfers to the moon 

    Masdemont Soler, Josep; Ren, Yuan; Fantino, Elena; Gómez Muntané, Gerard (2009)
    Text en actes de congrés
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    The term Weak Stability Boundary (WSB) is related to a region of stable motion around the second primary of a circular restricted three-body problem (CR3BP). Previous work on this subject has shown that, at a given energy ...
  • On the rotational Cucker-Smale model: optimal formation configuration and adaptive gains design 

    Paita, Fabrizio; Gómez Muntané, Gerard; Masdemont Soler, Josep (2015)
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    In the present paper we consider the attitude synchronization problem for a formation of spacecraft flying in free space. In particular, we consider the same control laws of [1] and we expand on the results presented there. ...
  • Station-keeping of real Earth-Moon libration point orbits using discrete-time sliding mode control 

    Lian, Yijun; Gómez Muntané, Gerard; Masdemont Soler, Josep; Tang, Guojian (2014-10-01)
    Article
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    In this work, station-keeping of real Earth–Moon libration point orbits is studied using discrete-time sliding mode control (DSMC). For comparison, a discrete linear quadratic regulator (DLQR) controller is also considered. ...
  • The zero, minimum and maximum relative radial accelerations along a family of periodic orbits around L4 in the Earth-Moon system 

    Salazar, F.J.T.; Masdemont Soler, Josep; Gómez Muntané, Gerard; Macau, E.E.N.; Winter, O.C. (2012)
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    Assume a constellations of satellites flighting close a given nominal trajectory around L4 or L5 in the Earth-Moon system in such a way that there is freedom in the selection of the geometry of the constellation. We are ...