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Satellite Attitude Control Utilizing The Earths Magnetic Field
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Book Synopsis Satellite Attitude Control Utilizing the Earth's Magnetic Field by : John S. White (writer on artificial satellites.)
Download or read book Satellite Attitude Control Utilizing the Earth's Magnetic Field written by John S. White (writer on artificial satellites.) and published by . This book was released on 1961 with total page 42 pages. Available in PDF, EPUB and Kindle. Book excerpt: The torque developed by the interaction of current-carrying coils with the earth's magnetic field can be used as a means of attitude control. The degree to which the attitude of a vehicle can be maintained utilizing this torque depends on the fluctuations of the magnetic field at the satellite as the satellite orbits about the earth. Due to the nature of the torque developed only two vehicle axes can be c ntinuously controlled simultaneously. With the principle described, either a two- or three-coil system can be used to control vehicle attitude about two axes. Intermittent control about three axes can be obtained. (Author).
Book Synopsis Satellite Attitude Control Using the Earth's Magnetic Field by : R. E. TOEPFER
Download or read book Satellite Attitude Control Using the Earth's Magnetic Field written by R. E. TOEPFER and published by . This book was released on 1962 with total page 1 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis A Method for Controlling the Attitude of a Satellite Using the Earth's Magnetic Field by : Wilfred Joseph Minkus
Download or read book A Method for Controlling the Attitude of a Satellite Using the Earth's Magnetic Field written by Wilfred Joseph Minkus and published by . This book was released on 1964 with total page 36 pages. Available in PDF, EPUB and Kindle. Book excerpt: The report investigates a means of controlling the attitude of a satellite in a circular orbit about the earth by the torque due to the interaction between the earth's magnetic field and the magnetic moments produced by currents in three orthogonal coils aboard the satellite. This system has the advantage over more conventional ones in that no mass is expended in the control process. It is designed to rotate the satellite about its longitudinal axis in a minimum amount of time while limiting the deviation of this axis from the local normal to the earth. The analysis is limited to the period during which the satellite's attitude is being changed by magnetically produced torques. When these torques are not applied, gravity gradient effects act as a restoring force to align the longitudinal axis with the local normal to the earth. The method is applicable to a satellite with symmetry such that the moment of inertia about its longitudinal axis is much smaller than those about body-fixed axes lying in a plane perpendicular to it and whose moments of inertia about axes in this plane are approximately equal. The model of the earth's magnetic field that is used is a dipole with its poles located at the observed geographical positions. The control system is developed to be applicable to the general type of satellite indicated above and to all orbits except those passing close to the magnetic poles. It is then applied to a particular satellite and type of orbit of interest to RADC. (Author).
Book Synopsis ATTITUDE DETERMINATION AND CONTROL OF A SPINNING SATELLITE USING THE EARTH'S MAGNETIC FIELD.. by : THOMAS TERRELL MCELROY
Download or read book ATTITUDE DETERMINATION AND CONTROL OF A SPINNING SATELLITE USING THE EARTH'S MAGNETIC FIELD.. written by THOMAS TERRELL MCELROY and published by . This book was released on 1973 with total page 225 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Controls Algorithm for a Satellite Using Earth's Magnetic Field by : Karthik G. Ganesh
Download or read book Controls Algorithm for a Satellite Using Earth's Magnetic Field written by Karthik G. Ganesh and published by . This book was released on 2007 with total page 125 pages. Available in PDF, EPUB and Kindle. Book excerpt: This document describes the design, analysis of Orbit Maneuvers and Attitude Control for NanoSat class satellites, which uses an electro-magnetic force controller which was proposed by the Florida Space Institute (FSI).
Book Synopsis Attitude Control Using the Earth's Magnetic Field by : V. Matthewson
Download or read book Attitude Control Using the Earth's Magnetic Field written by V. Matthewson and published by . This book was released on 2000 with total page 41 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Some Notes on Attitude Control of Earth Satellite Vehicles by : Warren Gillespie
Download or read book Some Notes on Attitude Control of Earth Satellite Vehicles written by Warren Gillespie and published by . This book was released on 1959 with total page 92 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Simulator Study of a Satellite Attitude Control System Using Inertia Wheels and a Magnet by : James J. Adams
Download or read book Simulator Study of a Satellite Attitude Control System Using Inertia Wheels and a Magnet written by James J. Adams and published by . This book was released on 1963 with total page 22 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Observations of the Earth's Magnetic Field from the Shuttle by :
Download or read book Observations of the Earth's Magnetic Field from the Shuttle written by and published by . This book was released on 1986 with total page 44 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Hybrid Magnetic Attitude Controller for Low Earth Orbit Satellites Using the Time-varying Linear Quadratic Regulator by : Nitin Seth
Download or read book Hybrid Magnetic Attitude Controller for Low Earth Orbit Satellites Using the Time-varying Linear Quadratic Regulator written by Nitin Seth and published by . This book was released on 2009 with total page 82 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Spacecraft Attitude Determination and Control by : J.R. Wertz
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.
Book Synopsis Satellite Attitude Control Using Magnetic Torquers, a Periodic Time-Varying Control Problem by :
Download or read book Satellite Attitude Control Using Magnetic Torquers, a Periodic Time-Varying Control Problem written by and published by . This book was released on 2000 with total page 25 pages. Available in PDF, EPUB and Kindle. Book excerpt: Satellite attitude controllers have been designed for a rigid spacecraft whose only actuators are magnetic torque rods. This effort's goals have been to develop a new class of lightweight, moderate accuracy attitude controllers and to evaluate and further develop general methods for the control of time varying systems. Three different classes of controllers have been developed and simulation tested. one based on linear quadratic regulator techniques, one based on sliding mode like concepts, and one based on new H infinity techniques for time varying systems. These H infinity controllers achieve the best performance. In addition to the controller design studies. the issue of attenuation of constant 3 axis disturbances has been addressed. Disturbance attenuation is difficult for this system because it can apply torques only about the 2 axes that are perpendicular to the Earth's magnetic field. It is a challenge to determine how best to counteract a low frequency 3 axis disturbance torque, on average, via judicious use of the fact that the Earth's magnetic field direction varies in time as the spacecraft moves along its orbit. Pointing accuracies on the order of 1 deg or better have been demonstrated in the presence of typical levels of disturbance torque.
Book Synopsis Satellite Attitude Control for Steady State Disturbance Using Only Magnetic Torquers by : Maria Korkor Hagan
Download or read book Satellite Attitude Control for Steady State Disturbance Using Only Magnetic Torquers written by Maria Korkor Hagan and published by . This book was released on 2000 with total page 270 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Torques and Attitude Sensing in Earth Satellites by : S. Fred Singer
Download or read book Torques and Attitude Sensing in Earth Satellites written by S. Fred Singer and published by Elsevier. This book was released on 2012-12-02 with total page 277 pages. Available in PDF, EPUB and Kindle. Book excerpt: Applied Mathematics and Mechanics, Volume 7: Torques and Attitude Sensing in Earth Satellites focuses on the possible torques that can affect the angular momentum of an Earth satellite. This book provides an understanding of the environment in which a satellite operates. Organized into 16 chapters, this volume starts with an overview of the application of force-free motion to space programs. This text then discusses the torque effects of a gravitational field, particularly with its gradient. Other chapters consider a particular method of gravity-gradient stabilization that utilizes a passive device to damp librations and thereby attain a vertical orientation. This book discusses as well the effects of the geomagnetic field on the angular motion of a satellite. The reader is also introduced to the method of magnetic attitude control employed in the Tiros satellite. The final chapter deals with the problem of horizon sensing, which is important for satellites requiring Earth stabilization. Astrophysicists will find this book useful.
Book Synopsis Attitude Control Subsystem for the Advanced Communications Technology Satellite by : Alan W. Hewston
Download or read book Attitude Control Subsystem for the Advanced Communications Technology Satellite written by Alan W. Hewston and published by . This book was released on 1996 with total page 32 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Magnetic Attitude Control of Rigid, Axially Symmetric, Spinning Satellites in Circular Earth Orbits by : Phillip C. Wheeler
Download or read book Magnetic Attitude Control of Rigid, Axially Symmetric, Spinning Satellites in Circular Earth Orbits written by Phillip C. Wheeler and published by . This book was released on 1965 with total page 228 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis An Analytical Comparison of Some Electromagnetic Systems for Removing Momentum Stored by a Satellite Attitude Control System by : Stuart Crockett Brown
Download or read book An Analytical Comparison of Some Electromagnetic Systems for Removing Momentum Stored by a Satellite Attitude Control System written by Stuart Crockett Brown and published by . This book was released on 1965 with total page 50 pages. Available in PDF, EPUB and Kindle. Book excerpt:
