Multi Spacecraft Optimal Interferometric Imaging

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Multi Spacecraft Optimal Interferometric Imaging

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Author : Haithem A. Al-Twaijry
language : en
Publisher:
Release Date : 2006

Multi Spacecraft Optimal Interferometric Imaging written by Haithem A. Al-Twaijry 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.

Design And Optimal Control Of Multi Spacecraft Interferometric Imaging Systems

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Author : Suman Chakravorty
language : en
Publisher:
Release Date : 2004

Design And Optimal Control Of Multi Spacecraft Interferometric Imaging Systems written by Suman Chakravorty and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2004 with categories.

Design Of Fuel Optimal Maneuvers For Multi Spacecraft Interferometric Imaging Systems

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Author :
language : en
Publisher:
Release Date : 2006

Design Of Fuel Optimal Maneuvers For Multi Spacecraft Interferometric Imaging Systems written by 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.

Multi-spacecraft interferometry imaging is an innovative concept intended to apply formations of satellites to obtain high resolution images allowing for the synthesis of a large size aperture through the combination of the signal from several sub-apertures. The design of such systems requires the design of trajectories that cover a specified region of the observation plane to obtain appropriate information to reconstruct an image of the source. A proposed configuration consists of symmetrical formations which use control thrust to actively follow spiral trajectories that would appropriately cover the specified regions. An optimization problem has to be solved to design the optimal trajectories with minimum fuel consumption. The present work introduces an algorithm to obtain near optimal maneuvers for multi-space craft interferometric imaging systems. Solutions to the optimization problem are obtained assuming the optimality of spiral coverage of the spatial frequency plane. The relationship between the error in the frequency content and the reliability of the imageis studied to make a connection to the dynamics of the maneuver and define the parameters of the optimization problem. The solution to the problem under deep space dynamics is shown to be convex and is solved by discretization into a non-linear programingproblem. Further, the problem is extended to include the effects of dynamical constraints and the effect of time varying relative position from the imaging system to the target. For the calculation of the optimal trajectories, a two-stage hierarchical controller is proposed that obtains acceleration requirements of near minimum fuel maneuvers for different target-system configurations. Several cases are simulated to apply the algorithm. From the obtained results some conclusions about the feasibility and dynamical requirements of these systems are described.

Issues In Aerospace And Defense Research And Application 2011 Edition

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Author :
language : en
Publisher: ScholarlyEditions
Release Date : 2012-01-09

Issues In Aerospace And Defense Research And Application 2011 Edition written by and has been published by ScholarlyEditions this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-01-09 with Technology & Engineering categories.

Issues in Aerospace and Defense Research and Application: 2011 Edition is a ScholarlyEditions™ eBook that delivers timely, authoritative, and comprehensive information about Aerospace and Defense Research and Application. The editors have built Issues in Aerospace and Defense Research and Application: 2011 Edition on the vast information databases of ScholarlyNews.™ You can expect the information about Aerospace and Defense Research and Application in this eBook to be deeper than what you can access anywhere else, as well as consistently reliable, authoritative, informed, and relevant. The content of Issues in Aerospace and Defense Research and Application: 2011 Edition has been produced by the world’s leading scientists, engineers, analysts, research institutions, and companies. All of the content is from peer-reviewed sources, and all of it is written, assembled, and edited by the editors at ScholarlyEditions™ and available exclusively from us. You now have a source you can cite with authority, confidence, and credibility. More information is available at http://www.ScholarlyEditions.com/.

Motion Planning For Multi Spacecraft Interferometric Imaging Systems

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Author : Islam I. Hussein
language : en
Publisher:
Release Date : 2005

Motion Planning For Multi Spacecraft Interferometric Imaging Systems written by Islam I. Hussein and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2005 with categories.

Astrodynamics 2007

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Author :
language : en
Publisher:
Release Date : 2008

Astrodynamics 2007 written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2008 with Astrodynamics categories.

Team Cooperation In A Network Of Multi Vehicle Unmanned Systems

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Author : Elham Semsar-Kazerooni
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-11-26

Team Cooperation In A Network Of Multi Vehicle Unmanned Systems written by Elham Semsar-Kazerooni and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-11-26 with Technology & Engineering categories.

Team Cooperation in a Network of Multi-Vehicle Unmanned Systems develops a framework for modeling and control of a network of multi-agent unmanned systems in a cooperative manner and with consideration of non-ideal and practical considerations. The main focus of this book is the development of “synthesis-based” algorithms rather than on conventional “analysis-based” approaches to the team cooperation, specifically the team consensus problems. The authors provide a set of modified “design-based” consensus algorithms whose optimality is verified through introduction of performance indices.

Search And Classification Using Multiple Autonomous Vehicles

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Author : Yue Wang
language : en
Publisher: Springer
Release Date : 2012-03-30

Search And Classification Using Multiple Autonomous Vehicles written by Yue Wang and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-03-30 with Technology & Engineering categories.

Search and Classification Using Multiple Autonomous Vehicles provides a comprehensive study of decision-making strategies for domain search and object classification using multiple autonomous vehicles (MAV) under both deterministic and probabilistic frameworks. It serves as a first discussion of the problem of effective resource allocation using MAV with sensing limitations, i.e., for search and classification missions over large-scale domains, or when there are far more objects to be found and classified than there are autonomous vehicles available. Under such scenarios, search and classification compete for limited sensing resources. This is because search requires vehicle mobility while classification restricts the vehicles to the vicinity of any objects found. The authors develop decision-making strategies to choose between these competing tasks and vehicle-motion-control laws to achieve the proposed management scheme. Deterministic Lyapunov-based, probabilistic Bayesian-based, and risk-based decision-making strategies and sensor-management schemes are created in sequence. Modeling and analysis include rigorous mathematical proofs of the proposed theorems and the practical consideration of limited sensing resources and observation costs. A survey of the well-developed coverage control problem is also provided as a foundation of search algorithms within the overall decision-making strategies. Applications in both underwater sampling and space-situational awareness are investigated in detail. The control strategies proposed in each chapter are followed by illustrative simulation results and analysis. Academic researchers and graduate students from aerospace, robotics, mechanical or electrical engineering backgrounds interested in multi-agent coordination and control, in detection and estimation or in Bayes filtration will find this text of interest.

Spaceflight Mechanics 2005

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Author : David A. Vallado
language : en
Publisher:
Release Date : 2005

Spaceflight Mechanics 2005 written by David A. Vallado and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2005 with Orbital mechanics categories.

Accompanying CD-ROM contains the complete text and color illustrations contained within the

Journal Of Guidance Control And Dynamics

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Author :
language : en
Publisher:
Release Date : 2008

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 2008 with Airplanes categories.