Nonlinear And Discrete Control Laws For Spacecraft Formation Flying

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Nonlinear and Discrete Control Laws for Spacecraft Formation Flying

Author : Jeremy Peter Pluym
Publisher :
ISBN 13 : 9780494160596
Total Pages : 162 pages
Book Rating : 4.1/5 (65 download)

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Book Synopsis Nonlinear and Discrete Control Laws for Spacecraft Formation Flying by : Jeremy Peter Pluym

Download or read book Nonlinear and Discrete Control Laws for Spacecraft Formation Flying written by Jeremy Peter Pluym and published by . This book was released on 2006 with total page 162 pages. Available in PDF, EPUB and Kindle. Book excerpt: Spacecraft formation flying is an enabling technology and attractive alternative to single-spacecraft systems. In addition to being reliable and upgradable, spacecraft formations will provide a means of performing a variety of tasks and missions that cannot be performed by a single satellite. Associated with spacecraft formations are a number of new and challenging problems in the area of spacecraft dynamics and control. Active control systems are required to maintain relative configurations to the accuracies demanded by tasks such as high resolution Earth and deep space imaging. In formation missions involving micro-satellites, fuel efficiency is of paramount importance. This study presents a number of control laws well suited to micro-satellite scale formation missions. The control laws are derived using control techniques such as linear quadratic regulator design, feedback linearization and disturbance accommodation to bring fuel requirements into a range feasible for micro-satellite missions. The CanX-4/5 mission, developed by the Space Flight Laboratory at the University of Toronto Institute for Aerospace Studies, is of particular interest. A control law that accommodates propulsion and attitude subsystem limitations associated with the CanX-4/5 system is presented, along with an extensive body of simulation data to aid in the mission design process.

Spacecraft Formation Flying

Author : Kyle Alfriend
Publisher : Elsevier
ISBN 13 : 0080559654
Total Pages : 403 pages
Book Rating : 4.0/5 (85 download)

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Book Synopsis Spacecraft Formation Flying by : Kyle Alfriend

Download or read book Spacecraft Formation Flying written by Kyle Alfriend and published by Elsevier. This book was released on 2009-11-16 with total page 403 pages. Available in PDF, EPUB and Kindle. Book excerpt: Space agencies are now realizing that much of what has previously been achieved using hugely complex and costly single platform projects—large unmanned and manned satellites (including the present International Space Station)—can be replaced by a number of smaller satellites networked together. The key challenge of this approach, namely ensuring the proper formation flying of multiple craft, is the topic of this second volume in Elsevier’s Astrodynamics Series, Spacecraft Formation Flying: Dynamics, control and navigation. In this unique text, authors Alfriend et al. provide a coherent discussion of spacecraft relative motion, both in the unperturbed and perturbed settings, explain the main control approaches for regulating relative satellite dynamics, using both impulsive and continuous maneuvers, and present the main constituents required for relative navigation. The early chapters provide a foundation upon which later discussions are built, making this a complete, standalone offering. Intended for graduate students, professors and academic researchers in the fields of aerospace and mechanical engineering, mathematics, astronomy and astrophysics, Spacecraft Formation Flying is a technical yet accessible, forward-thinking guide to this critical area of astrodynamics. The first book dedicated to spacecraft formation flying, written by leading researchers and professors in the field Develops the theory from an astrodynamical viewpoint, emphasizing modeling, control and navigation of formation flying satellites on Earth orbits Examples used to illustrate the main developments, with a sample simulation of a formation flying mission included to illustrate high fidelity modeling, control and relative navigation

A Critical Study of Linear and Nonlinear Satellite Formation Flying Control Methodologies from a Fuel Consumption Perspective

Author :
Publisher :
ISBN 13 :
Total Pages : 132 pages
Book Rating : 4.:/5 (182 download)

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Book Synopsis A Critical Study of Linear and Nonlinear Satellite Formation Flying Control Methodologies from a Fuel Consumption Perspective by :

Download or read book A Critical Study of Linear and Nonlinear Satellite Formation Flying Control Methodologies from a Fuel Consumption Perspective written by and published by . This book was released on 2007 with total page 132 pages. Available in PDF, EPUB and Kindle. Book excerpt: The novel concept of multiple spacecraft formation flying as a substitute for a single large vehicle will enhance future space mission performance. The benefits of a spacecraft formation include more cost effective synthetic aperture radar for observations, "graceful degradation" of the formation, flexibility of the satellites altering their roles, reduction of cost owing to the reduction of mass launched into orbit etc. A significant challenge in the domain of control design is to contrive a formation maintenance controller that will enable the member spacecrafts to maintain a desired relative orbit with minimal propellant expenditure. This thesis examines linear and nonlinear LEO formation control methodologies, one of each type, with the aim of evaluating them from a propellant budget, thrust level and error dynamics standpoint. A Linear Quadratic Regulator has been applied on $J_{2}$-perturbed Clohessy-Wiltshire dynamics. In order to remove the restriction of the applicability of Cartesian local vertical local horrizontal frame based control laws to only circular leader orbits, a sliding mode controller acting on a full nonlinear dynamical model has been implemented. This work also studies the effects of leader orbit eccentricity, inclination and formation radius on formation keeping fuel demand and tracking error. Finally, conclusions are drawn regarding the suitability of the control laws considered and various recommendations made.

Spacecraft Dynamics and Control

Author : Anton H. de Ruiter
Publisher : John Wiley & Sons
ISBN 13 : 1118403320
Total Pages : 562 pages
Book Rating : 4.1/5 (184 download)

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Book Synopsis Spacecraft Dynamics and Control by : Anton H. de Ruiter

Download or read book Spacecraft Dynamics and Control written by Anton H. de Ruiter and published by John Wiley & Sons. This book was released on 2012-12-05 with total page 562 pages. Available in PDF, EPUB and Kindle. Book excerpt: Provides the basics of spacecraft orbital dynamics plus attitude dynamics and control, using vectrix notation Spacecraft Dynamics and Control: An Introduction presents the fundamentals of classical control in the context of spacecraft attitude control. This approach is particularly beneficial for the training of students in both of the subjects of classical control as well as its application to spacecraft attitude control. By using a physical system (a spacecraft) that the reader can visualize (rather than arbitrary transfer functions), it is easier to grasp the motivation for why topics in control theory are important, as well as the theory behind them. The entire treatment of both orbital and attitude dynamics makes use of vectrix notation, which is a tool that allows the user to write down any vector equation of motion without consideration of a reference frame. This is particularly suited to the treatment of multiple reference frames. Vectrix notation also makes a very clear distinction between a physical vector and its coordinate representation in a reference frame. This is very important in spacecraft dynamics and control problems, where often multiple coordinate representations are used (in different reference frames) for the same physical vector. Provides an accessible, practical aid for teaching and self-study with a layout enabling a fundamental understanding of the subject Fills a gap in the existing literature by providing an analytical toolbox offering the reader a lasting, rigorous methodology for approaching vector mechanics, a key element vital to new graduates and practicing engineers alike Delivers an outstanding resource for aerospace engineering students, and all those involved in the technical aspects of design and engineering in the space sector Contains numerous illustrations to accompany the written text. Problems are included to apply and extend the material in each chapter Essential reading for graduate level aerospace engineering students, aerospace professionals, researchers and engineers.

Orbital Mechanics and Formation Flying

Author : P A Capó-Lugo
Publisher : Elsevier
ISBN 13 : 0857093878
Total Pages : 453 pages
Book Rating : 4.8/5 (57 download)

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Book Synopsis Orbital Mechanics and Formation Flying by : P A Capó-Lugo

Download or read book Orbital Mechanics and Formation Flying written by P A Capó-Lugo and published by Elsevier. This book was released on 2011-10-04 with total page 453 pages. Available in PDF, EPUB and Kindle. Book excerpt: Aimed at students, faculty and professionals in the aerospace field, this book provides practical information on the development, analysis, and control of a single and/or multiple spacecraft in space. This book is divided into two major sections: single and multiple satellite motion. The first section analyses the orbital mechanics, orbital perturbations, and attitude dynamics of a single satellite around the Earth. Using the knowledge of a single satellite motion, the translation of a group of satellites called formation flying or constellation is explained. Formation flying has been one of the main research topics over the last few years and this book explains different control approaches to control the satellite attitude motion and/or to maintain the constellation together. The control schemes are explained in the discrete domain such that it can be easily implemented on the computer on board the satellite. The key objective of this book is to show the reader the practical and the implementation process in the discrete domain. Explains the orbital motion and principal perturbations affecting the satellite Uses the Ares V rocket as an example to explain the attitude motion of a space vehicle Presents the practical approach for different control actuators that can be used in a satellite

Linear Control of Spacecraft Formation Flying

Author : Andrew Sparks
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (11 download)

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Book Synopsis Linear Control of Spacecraft Formation Flying by : Andrew Sparks

Download or read book Linear Control of Spacecraft Formation Flying written by Andrew Sparks and published by . This book was released on 2000 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:

Satellite Formation Flying

Author : S. Mathavaraj
Publisher : Springer Nature
ISBN 13 : 981159631X
Total Pages : 154 pages
Book Rating : 4.8/5 (115 download)

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Book Synopsis Satellite Formation Flying by : S. Mathavaraj

Download or read book Satellite Formation Flying written by S. Mathavaraj and published by Springer Nature. This book was released on 2021-04-16 with total page 154 pages. Available in PDF, EPUB and Kindle. Book excerpt: Small satellite technology is opening up a new era in space exploration offering reduced cost of launch and maintenance, operational flexibility with on-orbit reconfiguration, redundancy etc. The true power of such missions can be harnessed only from close and precise formation flying of satellites. Formation flying missions support diverse application areas such as reconnaissance, remote sensing, solar observatory, deep space observatories, etc. A key component involved in formation flying is the guidance algorithm that should account for system nonlinearities and unknown disturbances. The main focus of this book is to present various nonlinear optimal control and adaptive guidance ideas to ensure precise close formation flying in presence of such difficulties. In addition to in-depth discussion of the relevant topics, MATLAB program files for the results included are also provided for the benefit of the readers. Since this book has concise information about the various guidance techniques, it will be useful reference for researchers and practising engineers in the space field.

Applied Mechanics Reviews

Author :
Publisher :
ISBN 13 :
Total Pages : 1052 pages
Book Rating : 4.:/5 (31 download)

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Book Synopsis Applied Mechanics Reviews by :

Download or read book Applied Mechanics Reviews written by and published by . This book was released on 1985 with total page 1052 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Scientific and Technical Aerospace Reports

Author :
Publisher :
ISBN 13 :
Total Pages : 702 pages
Book Rating : 4.:/5 (31 download)

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Book Synopsis Scientific and Technical Aerospace Reports by :

Download or read book Scientific and Technical Aerospace Reports written by and published by . This book was released on 1995 with total page 702 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Spacecraft Modeling, Attitude Determination, and Control

Author : Yaguang Yang
Publisher : CRC Press
ISBN 13 : 0429822138
Total Pages : 159 pages
Book Rating : 4.4/5 (298 download)

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Book Synopsis Spacecraft Modeling, Attitude Determination, and Control by : Yaguang Yang

Download or read book Spacecraft Modeling, Attitude Determination, and Control written by Yaguang Yang and published by CRC Press. This book was released on 2019-02-06 with total page 159 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book discusses all spacecraft attitude control-related topics: spacecraft (including attitude measurements, actuator, and disturbance torques), modeling, spacecraft attitude determination and estimation, and spacecraft attitude controls. Unlike other books addressing these topics, this book focuses on quaternion-based methods because of its many merits. The book lays a brief, but necessary background on rotation sequence representations and frequently used reference frames that form the foundation of spacecraft attitude description. It then discusses the fundamentals of attitude determination using vector measurements, various efficient (including very recently developed) attitude determination algorithms, and the instruments and methods of popular vector measurements. With available attitude measurements, attitude control designs for inertial point and nadir pointing are presented in terms of required torques which are independent of actuators in use. Given the required control torques, some actuators are not able to generate the accurate control torques, therefore, spacecraft attitude control design methods with achievable torques for these actuators (for example, magnetic torque bars and control moment gyros) are provided. Some rigorous controllability results are provided. The book also includes attitude control in some special maneuvers, such as orbital-raising, docking and rendezvous, that are normally not discussed in similar books. Almost all design methods are based on state-spaced modern control approaches, such as linear quadratic optimal control, robust pole assignment control, model predictive control, and gain scheduling control. Applications of these methods to spacecraft attitude control problems are provided. Appendices are provided for readers who are not familiar with these topics.

Spacecraft Formation Flying

Author : Pini Gurfil
Publisher : Butterworth-Heinemann
ISBN 13 : 9780750685337
Total Pages : 382 pages
Book Rating : 4.6/5 (853 download)

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Book Synopsis Spacecraft Formation Flying by : Pini Gurfil

Download or read book Spacecraft Formation Flying written by Pini Gurfil and published by Butterworth-Heinemann. This book was released on 2010 with total page 382 pages. Available in PDF, EPUB and Kindle. Book excerpt: Spacecraft formation flying (SFF) is of huge importance to the aerospace and space community. Not the stuff of science-fiction, SFF involves flying multiple small satellites together, to deliver benefits which far outweigh a single larger craft or space station. The first autonomous formation flying earth science mission was in 196 and NASA now has 35 SFF mission sets. By networking several smaller and cheaper craft, scientists can make simultaneous measurements that enable higher resolution astronomical imagery, provide robust and fault-tolerant spacecraft system architectures, and enable complex earth science and space science networks dispersed over clusters of satellites in space. This is the first book to introduce and explore SFF. It is a topic of enormous importance to aerospace engineers, astrodynamicists, satellite engineers, astronomers, physicists, and applied mathematicions. This book provides a complete introduction to the subject and is supported by graduate level student exercises plus Matlab and Maple code sets for running SFF simulations. * The first book dedicated to spacecraft formation flying which is the enabling element of distributed spacecraft systems * Written by the leading researchers and teachers in the field; perfect for research and graduate students * Accompanied by Matlab and Maple code sets and exercises for graduate level students of aerospace science, astrodynamics and orbital mechanics.

Finite Time and Cooperative Control of Flight Vehicles

Author : Yuanqing Xia
Publisher : Springer
ISBN 13 : 9811313733
Total Pages : 409 pages
Book Rating : 4.8/5 (113 download)

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Book Synopsis Finite Time and Cooperative Control of Flight Vehicles by : Yuanqing Xia

Download or read book Finite Time and Cooperative Control of Flight Vehicles written by Yuanqing Xia and published by Springer. This book was released on 2018-07-02 with total page 409 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book focuses on the finite-time control of attitude stabilization, attitude tracking for individual spacecraft, and finite-time control of attitude synchronization. It discusses formation reconfiguration for multiple spacecraft in complex networks, and provides a new fast nonsingular terminal sliding mode surface (FNTSMS). Further, it presents newly designed controllers and several control laws to enhance the performance of spacecraft systems and meet related demands, such as strong disturbance rejection and high-precision control. As such, the book establishes a fundamental framework for these topics, while also highlighting the importance of integrated analysis. It is a useful resource for all researchers and students who are interested in this field, as well as engineers whose work involves designing flight vehicles.

A Dynamics and Control Algorithm for Low Earth Orbit Precision Formation Flying Satellites

Author : Jesse Koovik Eyer
Publisher :
ISBN 13 : 9780494609514
Total Pages : 0 pages
Book Rating : 4.6/5 (95 download)

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Book Synopsis A Dynamics and Control Algorithm for Low Earth Orbit Precision Formation Flying Satellites by : Jesse Koovik Eyer

Download or read book A Dynamics and Control Algorithm for Low Earth Orbit Precision Formation Flying Satellites written by Jesse Koovik Eyer and published by . This book was released on 2009 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: An innovative dynamics and control algorithm is developed for a dual-nanosatellite formation flying mission. The principal function of this algorithm is to use regular GPS state measurements to determine the controlled satellite's tracking error from a set of reference trajectories in the local-vertical/local-horizontal reference frame. A linear state-feedback control law---designed using a linear quadratic regulator method---calculates the optimal thrusts necessary to correct this error and communicates the thrust directions to the attitude control system and the thrust durations to the propulsion system. The control system is developed to minimize the conflicting metrics of tracking error and DeltaV requirements. To reconfigure the formation, an optimization algorithm is designed using the analytical solution to the state-space equation and the Hill-Clohessy-Wiltshire state transition matrix to solve for dual-thrust reconfiguration maneuvers. The resulting trajectories require low DeltaV, use finite-time thrusts and are accurate in a fully nonlinear orbital environment. This algorithm will be used to control the CanX-4 & 5 formation flying demonstration mission. Finally, an analytical study of the stability of the formation flying algorithm is conducted. To facilitate the proof, the control algorithm is converted into a discrete-time linear time-varying system. Stability of the system is determined via discrete Floquet theory. This analysis is applied to the CanX-4 & 5 control laws for tracking along-track orbits, projected circular orbits, and quasi J2-invariant formations. In addition, an iterative method which numerically generates quasi periodic trajectories for a satellite formation is presented. This novel technique utilizes a shooting approach to the Newton method to close the relative deputy trajectory over a specific number of orbits, then fits the actual perturbed motion of the deputy with a Fourier series to enforce periodicity. This process is applied to two well-known satellite formations: a projected circular orbit and a J2-invariant formation. Compared to conventional formations, these resulting quasi-periodic trajectories require a dramatically lower control effort to maintain and could therefore be used to extend DeltaV-limited formation flying missions.

Journal of Guidance, Control, and Dynamics

Author :
Publisher :
ISBN 13 :
Total Pages : 954 pages
Book Rating : 4.:/5 (318 download)

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Book Synopsis Journal of Guidance, Control, and Dynamics by :

Download or read book Journal of Guidance, Control, and Dynamics written by and published by . This book was released on 2009 with total page 954 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Team Cooperation in a Network of Multi-Vehicle Unmanned Systems

Author : Elham Semsar-Kazerooni
Publisher : Springer Science & Business Media
ISBN 13 : 146145073X
Total Pages : 171 pages
Book Rating : 4.4/5 (614 download)

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Book Synopsis Team Cooperation in a Network of Multi-Vehicle Unmanned Systems by : Elham Semsar-Kazerooni

Download or read book Team Cooperation in a Network of Multi-Vehicle Unmanned Systems written by Elham Semsar-Kazerooni and published by Springer Science & Business Media. This book was released on 2012-11-26 with total page 171 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.

Advances in Guidance, Navigation and Control

Author : Liang Yan
Publisher : Springer Nature
ISBN 13 : 9811966133
Total Pages : 7455 pages
Book Rating : 4.8/5 (119 download)

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Book Synopsis Advances in Guidance, Navigation and Control by : Liang Yan

Download or read book Advances in Guidance, Navigation and Control written by Liang Yan and published by Springer Nature. This book was released on 2023-02-10 with total page 7455 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book features the latest theoretical results and techniques in the field of guidance, navigation, and control (GNC) of vehicles and aircrafts. It covers a wide range of topics, including but not limited to, intelligent computing communication and control; new methods of navigation, estimation and tracking; control of multiple moving objects; manned and autonomous unmanned systems; guidance, navigation and control of miniature aircraft; and sensor systems for guidance, navigation and control etc. Presenting recent advances in the form of illustrations, tables, and text, it also provides detailed information of a number of the studies, to offer readers insights for their own research. In addition, the book addresses fundamental concepts and studies in the development of GNC, making it a valuable resource for both beginners and researchers wanting to further their understanding of guidance, navigation, and control.

New Decentralized Algorithms for Spacecraft Formation Control Based on a Cyclic Approach

Author : Jaime Luis Ramirez Riberos
Publisher :
ISBN 13 :
Total Pages : 231 pages
Book Rating : 4.:/5 (668 download)

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Book Synopsis New Decentralized Algorithms for Spacecraft Formation Control Based on a Cyclic Approach by : Jaime Luis Ramirez Riberos

Download or read book New Decentralized Algorithms for Spacecraft Formation Control Based on a Cyclic Approach written by Jaime Luis Ramirez Riberos and published by . This book was released on 2010 with total page 231 pages. Available in PDF, EPUB and Kindle. Book excerpt: When considering the formation control problem for large number of spacecraft, the advantages of implementing control approaches with a centralized coordination mechanism can be outpaced by the risks associated with having a primary vital control unit. Additionally, in formations with a large number of spacecraft, a centralized approach implies an inherent difficulty in gathering and broadcasting information from/to the overall system. Therefore, there is a need to explore efficient decentralized control approaches. In this thesis a new approach to spacecraft formation control is formulated by exploring and enhancing the recent results on the theory of convergence to geometric patterns and exploring the analysis of this approach using the tools of contracting theory. First, an extensive analysis of the cyclic pursuit dynamics leads to developing control laws useful for spacecraft formation flight which, as opposed to the most common approaches in the literature, do not track fixed relative trajectories and therefore, reduce the global coordination requirements. The proposed approach leads to local control laws that verify global emergent behaviors specified as convergence to a particular manifold. A generalized analysis of such control approach by using tools of partial contraction theory is performed, producing important convergence results. By applying and extending results from the theory of partially contracting systems, an approach to deriving sufficient conditions for convergence is formulated. Its use is demonstrated by analyzing several examples and obtaining global convergence results for nonlinear, time varying and more complex interconnected distributed controllers. Experimental results of the implementation of these algorithms were obtained using the SPHERES testbed on board the International Space Station, validating many of the important properties of this decentralized control approach. They are believed to be the first implementation of decentralized formation flight in space. To complement the results we also consider a short analysis of the advantages of decentralized versus centralized approach by comparing the optimal performance and the effects of complexity and robustness for different architectures and address the issues of implementing decentralized algorithms in a inherently coupled system like the Electromagnetic Formation Flight.