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Author : Bernard Charles Sherman
Publisher :
ISBN 13 :
Total Pages : 332 pages
Book Rating : 4.:/5 (24 download)
Download or read book Precision Gravity-gradient Satellite Attitude Control written by Bernard Charles Sherman and published by . This book was released on 1967 with total page 332 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : J. A. Lewis
Publisher :
ISBN 13 :
Total Pages : 61 pages
Book Rating : 4.:/5 (633 download)
Download or read book A Two-gyro, Gravity-gradient Satellite Attitude Control System written by J. A. Lewis and published by . This book was released on 1964 with total page 61 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : J.R. Wertz
Publisher : Springer Science & Business Media
ISBN 13 : 9400999070
Total Pages : 877 pages
Book Rating : 4.4/5 (9 download)
Download or read book Spacecraft Attitude Determination and Control written by J.R. Wertz and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 877 pages. Available in PDF, EPUB and Kindle. Book excerpt: Roger D. Werking Head, Attitude Determination and Control Section National Aeronautics and Space Administration/ Goddard Space Flight Center Extensiye work has been done for many years in the areas of attitude determination, attitude prediction, and attitude control. During this time, it has been difficult to obtain reference material that provided a comprehensive overview of attitude support activities. This lack of reference material has made it difficult for those not intimately involved in attitude functions to become acquainted with the ideas and activities which are essential to understanding the various aspects of spacecraft attitude support. As a result, I felt the need for a document which could be used by a variety of persons to obtain an understanding of the work which has been done in support of spacecraft attitude objectives. It is believed that this book, prepared by the Computer Sciences Corporation under the able direction of Dr. James Wertz, provides this type of reference. This book can serve as a reference for individuals involved in mission planning, attitude determination, and attitude dynamics; an introductory textbook for stu dents and professionals starting in this field; an information source for experimen ters or others involved in spacecraft-related work who need information on spacecraft orientation and how it is determined, but who have neither the time nor the resources to pursue the varied literature on this subject; and a tool for encouraging those who could expand this discipline to do so, because much remains to be done to satisfy future needs.
Author : Mohammed Chessab Mahdi
Publisher : Cambridge Scholars Publishing
ISBN 13 : 152752163X
Total Pages : 190 pages
Book Rating : 4.5/5 (275 download)
Download or read book Attitude Stabilization for CubeSat written by Mohammed Chessab Mahdi and published by Cambridge Scholars Publishing. This book was released on 2018-11-14 with total page 190 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book explores CubeSat technology, and develops a nonlinear mathematical model of a spacecraft with the assumption that the satellite is a rigid body. It places emphasis on the CubeSat subsystem, orbit dynamics and perturbations, the satellite attitude dynamic and modeling, and components of attitude determination and the control subsystem. The book focuses on the attitude stabilization methods of spacecraft, and presents gravity gradient stabilization, aerodynamic stabilization, and permanent magnets stabilization as passive stabilization methods, and spin stabilization and three axis stabilization as active stabilization methods. It also discusses the need to develop a control system design, and describes the design of three controller configurations, namely the Proportional–Integral–Derivative Controller (PID), the Linear Quadratic Regulator (LQR), and the Fuzzy Logic Controller (FLC) and how they can be used to design the attitude control of CubeSat three-axis stabilization. Furthermore, it presents the design of a suitable attitude stabilization system by combining gravity gradient stabilization with magnetic torquing, and the design of magnetic coils which can be added in order to improve the accuracy of attitude stabilization. The book then investigates, simulates, and compares possible controller configurations that can be used to control the currents of magnetic coils when magnetic coils behave as the actuator of the system.
Author : Roza Hashemian
Publisher :
ISBN 13 :
Total Pages : 178 pages
Book Rating : 4.:/5 (891 download)
Download or read book Analysis of a Passive Gravity Gradient Satellite Attitude Control System written by Roza Hashemian and published by . This book was released on 1965 with total page 178 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Gerald John Adams
Publisher :
ISBN 13 :
Total Pages : 130 pages
Book Rating : 4.:/5 (32 download)
Download or read book Rapid Initial Attitude Control of a Gravity Gradient Earth Satellite written by Gerald John Adams and published by . This book was released on 1967 with total page 130 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : N. Jeremy Kasdin
Publisher :
ISBN 13 :
Total Pages : 286 pages
Book Rating : 4.F/5 ( download)
Download or read book Precision Pointing Control of the Spinning Gravity Probe B Spacecraft written by N. Jeremy Kasdin and published by . This book was released on 1991 with total page 286 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Clark E. Stohl
Publisher :
ISBN 13 :
Total Pages : 29 pages
Book Rating : 4.:/5 (249 download)
Download or read book Attitude Reacquisition of a Gravity-gradient Control-moment-gyro Stabilized Spacecraft written by Clark E. Stohl and published by . This book was released on 1970 with total page 29 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Rafael Wisniewski
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (46 download)
Download or read book Fully magnetic attitude control for spacecraft subject to gravity gradient written by Rafael Wisniewski and published by . This book was released on 1998 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Clark E. Stohl
Publisher :
ISBN 13 :
Total Pages : 29 pages
Book Rating : 4.:/5 (761 download)
Download or read book Attitude Reacquistion of a Gravity-gradient Control-moment-gyro Stabilized Spacecraft written by Clark E. Stohl and published by . This book was released on 1970 with total page 29 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Seth A. Harvey
Publisher :
ISBN 13 : 9780549743279
Total Pages : 139 pages
Book Rating : 4.7/5 (432 download)
Download or read book Spacecraft Attitude Control Using Direct Model Reference Adaptive Control written by Seth A. Harvey and published by . This book was released on 2008 with total page 139 pages. Available in PDF, EPUB and Kindle. Book excerpt: This research began in the summer of 2006. During that summer a method was developed to estimate the gravity gradient as well as the nadir vector of a Plug-and-Play [PNP] satellite. This was done based on the assumptions that there were perturbations in the satellite model that kept the satellite from knowing this information a priori. An indirect adaptive estimation scheme was used to accomplish this goal. However it is impractical to do this for each perturbation in the plant. By the very nature of PNP Satellites, there could be errors in among other things, reaction wheel mounting/orientation, star tracker location/orientation, satellite center of mass (COM), and payload location/orientation. An adaptive scheme to estimate each error is not efficient and ultimately is not the goal. The goal is to accurately control the satellite despite the numerous and possibly large errors inherent in PNP Satellite models. Instead of using indirect adaptive methods to gain precise knowledge of the plant, direct adaptive control methods will be used to overcome the errors of the plant and gain precise control of the satellite. One way of overcoming the inaccuracies of the model is to assume the spacecraft dynamics are largely unknown. A shift in philosophy was then taken from indirect adaptive methods to direct methods. Direct Reference and Model Reference Adaptive Controller [DRAC & DMRAC] are then developed that will precisely and robustly control the attitude of a PNP satellite. The benefits demonstrated by the DMRAC methodologies extend well past plug and play satellites and could be utilized in any space application.
Author : Vladimir A. Chobotov
Publisher : Krieger Publishing Company
ISBN 13 : 9780894640698
Total Pages : 0 pages
Book Rating : 4.6/5 (46 download)
Download or read book Spacecraft Attitude Dynamics and Control written by Vladimir A. Chobotov and published by Krieger Publishing Company. This book was released on 2008 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Presents the basic concepts, methods and mathematical developments which are necessary to understand spacecraft attitude dynamics and control. This book contains essential elements of kinematics, rigid body dynamics, linear control theory, environmental effects, and the theory of the stability of motion.
Author : Bruce G. Everett
Publisher :
ISBN 13 :
Total Pages : 94 pages
Book Rating : 4.:/5 (525 download)
Download or read book A Gravity-gradient Pitch Attitude Control System written by Bruce G. Everett and published by . This book was released on 1965 with total page 94 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 514 pages
Book Rating : 4.F/5 ( download)
Download or read book Proceedings of the Symposium on Gravity Gradient Attitude Stabilization written by and published by . This book was released on 1968 with total page 514 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Peter R. Kurzhals
Publisher :
ISBN 13 :
Total Pages : 76 pages
Book Rating : 4.:/5 (317 download)
Download or read book A System for Inertial Experiment Pointing and Attitude Control written by Peter R. Kurzhals and published by . This book was released on 1966 with total page 76 pages. Available in PDF, EPUB and Kindle. Book excerpt: A system for inertial experiment pointing and attitude control (designated SIXPAC) of future manned spacecraft has been investigated. The SIXPAC concept consists of three double-gimbaled control moment gyros aligned with the axes of the spacecraft, and derives its control torques from precession of the gyro wheels. This system is readily mechanized, has inherent redundancy, and should provide a wider range of attitude control for manned spacecraft than the gyro systems previously considered. The SIXPAC can provide both the large range of control torques and the fine attitude holds associated with spacecraft experiments such as earth-surface tracking and mapping, photographic missions, and astronomical observations. Periodic aerodynamic and gravity-gradient torques can also be counteracted by the proposed system. Redundancies inherent to the three-gyro arrangement further allow reduced spacecraft control in case of failure or shutdown of one of the three gyros. The complete equations of motion for a spacecraft with the SIXPAC were developed, and were integrated numerically on a digital computer for an example mission with a possible Apollo applications concept. Results of this computer study were used to evaluate the spacecraft and control system response and to determine the power and fuel consumption of the SIXPAC. Characteristics time histories of the attitude and angular rates of the spacecraft are presented for a number of experiments that have been proposed for typical Apollo applications missions, and the performance of the gyro system is analyzed during the control tasks associated with these experiments.
Author : David B. Guettler
Publisher :
ISBN 13 :
Total Pages : 310 pages
Book Rating : 4.:/5 (181 download)
Download or read book Satellite Attitude Control Using Atmospheric Drag written by David B. Guettler and published by . This book was released on 2007 with total page 310 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Björn Conrad
Publisher :
ISBN 13 :
Total Pages : 62 pages
Book Rating : 4.:/5 (334 download)
Download or read book A Study of Attitude Control of a Spinning Satellite Using Gravitational Gradient written by Björn Conrad and published by . This book was released on 1963 with total page 62 pages. Available in PDF, EPUB and Kindle. Book excerpt:
