Dynamics And Control Of Satellite Relative Motion In A Central Gravitational Field
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Dynamics And Control Of Satellite Relative Motion In A Central Gravitational Field
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Author : Prasenjit Sengupta
language : en
Publisher:
Release Date : 2006
Dynamics And Control Of Satellite Relative Motion In A Central Gravitational Field written by Prasenjit Sengupta and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2006 with categories.
The study of satellite relative motion has been of great historic interest, primarily due to its application to rendezvous, intercept, and docking maneuvers, between spacecraft in orbit about gravitational bodies, such as the Earth. Recent interest in the problem of satellite formation flight has also led to renewed effort in understanding the dynamics of relative motion. Satellite formations have been proposed for various tasks, such as deep-space interferometry, and terrestrial observation, among others. Oftentimes, the rich natural dynamics of the relative motion problem near a gravitational body are exploited to design formations of a specific geometry.
Steady Motions Of Rigid Body Satellites In A Central Gravitational Field
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Author :
language : en
Publisher:
Release Date : 1993
Steady Motions Of Rigid Body Satellites In A Central Gravitational Field written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1993 with categories.
Numerous studies have been conducted on equilibrium orientations of objects moving under the influence of a central gravitational field. The results of many of these studies conclude that equilibrium conditions exist only when one of the principal axes coincides with the radius vector. Furthermore, these results assume that the center of force is located within the orbit plane, thereby tracing a great circle orbit. While these previous works have approximated the gravitational potential, this study examines relative equilibrium obtained by retaining an exact expression for the potential of a spherical primary body, as shown in a recent paper by Wang, Maddocks, and Krishnaprasad. The exact dynamic equations for the motion of a finite rigid body in an inverse square gravitational force field are investigated. Only circular orbits for a specific satellite model consisting of six masses connected by three massless rigid rods are considered. The system dynamics are comprised of seven nonlinear equations, which were numerically solved on a Cray computer. The existence of equilibrium orientations which establish non-great circle orbits was verified and other interesting results were noted. The operational significance of these results was also examined.
Control Of The Relative Motion Between Satellites In Neighboring Elliptic Orbits
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Author : William Richard Davis
language : en
Publisher:
Release Date : 1966
Control Of The Relative Motion Between Satellites In Neighboring Elliptic Orbits written by William Richard Davis and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1966 with Artificial satellites categories.
Spacecraft Dynamics And Control
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Author : Enrico Canuto
language : en
Publisher: Butterworth-Heinemann
Release Date : 2018-03-08
Spacecraft Dynamics And Control written by Enrico Canuto and has been published by Butterworth-Heinemann this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-03-08 with Technology & Engineering categories.
Spacecraft Dynamics and Control: The Embedded Model Control Approach provides a uniform and systematic way of approaching space engineering control problems from the standpoint of model-based control, using state-space equations as the key paradigm for simulation, design and implementation. The book introduces the Embedded Model Control methodology for the design and implementation of attitude and orbit control systems. The logic architecture is organized around the embedded model of the spacecraft and its surrounding environment. The model is compelled to include disturbance dynamics as a repository of the uncertainty that the control law must reject to meet attitude and orbit requirements within the uncertainty class. The source of the real-time uncertainty estimation/prediction is the model error signal, as it encodes the residual discrepancies between spacecraft measurements and model output. The embedded model and the uncertainty estimation feedback (noise estimator in the book) constitute the state predictor feeding the control law. Asymptotic pole placement (exploiting the asymptotes of closed-loop transfer functions) is the way to design and tune feedback loops around the embedded model (state predictor, control law, reference generator). The design versus the uncertainty class is driven by analytic stability and performance inequalities. The method is applied to several attitude and orbit control problems. The book begins with an extensive introduction to attitude geometry and algebra and ends with the core themes: state-space dynamics and Embedded Model Control. Fundamentals of orbit, attitude and environment dynamics are treated giving emphasis to state-space formulation, disturbance dynamics, state feedback and prediction, closed-loop stability. Sensors and actuators are treated giving emphasis to their dynamics and modelling of measurement errors. Numerical tables are included and their data employed for numerical simulations. Orbit and attitude control problems of the European GOCE mission are the inspiration of numerical exercises and simulations. The suite of the attitude control modes of a GOCE-like mission is designed and simulated around the so-called mission state predictor. Solved and unsolved exercises are included within the text - and not separated at the end of chapters - for better understanding, training and application. Simulated results and their graphical plots are developed through MATLAB/Simulink code.
Dynamics And Control Of Autonomous Space Vehicles And Robotics
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Author : Ranjan Vepa
language : en
Publisher: Cambridge University Press
Release Date : 2019-05-02
Dynamics And Control Of Autonomous Space Vehicles And Robotics written by Ranjan Vepa and has been published by Cambridge University Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2019-05-02 with Science categories.
Presents the established principles underpinning space robotics with a thorough and modern approach. This text is perfect for professionals in the field looking to gain an understanding of real-life applications of manipulators on satellites, and of the dynamics of satellites carrying robotic manipulators and of planetary rovers.
On The Motion Of A Satellite In An Asymmetrical Gravitational Field
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Author : Peter Musen
language : en
Publisher:
Release Date : 1961
On The Motion Of A Satellite In An Asymmetrical Gravitational Field written by Peter Musen and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1961 with Artificial satellites categories.
Proceedings Of 2023 7th Chinese Conference On Swarm Intelligence And Cooperative Control
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Author : Jianglong Yu
language : en
Publisher: Springer Nature
Release Date :
Proceedings Of 2023 7th Chinese Conference On Swarm Intelligence And Cooperative Control written by Jianglong Yu and has been published by Springer Nature this book supported file pdf, txt, epub, kindle and other format this book has been release on with categories.
Journal Of Guidance Control And Dynamics
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Author :
language : en
Publisher:
Release Date : 2009
Journal Of Guidance Control And Dynamics written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2009 with Airplanes categories.
Trajectories With Constant Tangential Thrust In Central Gravitational Fields
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Author : W. E. Moeckel
language : en
Publisher:
Release Date : 1960
Trajectories With Constant Tangential Thrust In Central Gravitational Fields written by W. E. Moeckel and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1960 with Space trajectories categories.
Relative Equilibria Of A Rigid Satellite In A Central Gravitational Field
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Author : Jeffrey A. Beck
language : en
Publisher:
Release Date : 1997-09-01
Relative Equilibria Of A Rigid Satellite In A Central Gravitational Field written by Jeffrey A. Beck and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1997-09-01 with Artificial satellites categories.
We apply noncanonical Hamiltonian methods to examine relative equilibria of a rigid body in a central gravitational field. These equilibria correspond to fixed points of a reduced set of equations expressed in a rotating frame and are representative of an orbiting satellite with fixed attitude relative to an observer rotating at the orbital rate. Our objective is to clarify the relationship between the classical approximation and a recent noncanonical Hamiltonian treatment. In contrast to the classical approximation, the orbital and attitude equations of motion for the noncanonical system remain coupled and the general solution is a circular orbit for which the orbit center and the center of attraction are not necessarily coincident. Our approach involves development of a hierarchy of Hamiltonian approximations. The hierarchy consists of the existing noncanonical system and two noncanonical formulations which we derive for rigid bodies subject to certain constraints motion about a fixed point and motion about a point following a Keplerian orbit. The classical solution is dynamically equivalent to this latter constrained (Keplerian) system. We apply Hamiltonian methods to identify relative equilibria and determine stability conditions. In general, we find that relative equilibria for the Keplerian and unconstrained systems are in close agreement.