Controls Algorithm for a Satellite Using Earth's Magnetic Field

Controls Algorithm for a Satellite Using Earth's Magnetic Field PDF Author: Karthik G. Ganesh
Publisher:
ISBN:
Category : Artificial satellites
Languages : en
Pages : 125

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Book Description
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).

Controls Algorithm for a Satellite Using Earth's Magnetic Field

Controls Algorithm for a Satellite Using Earth's Magnetic Field PDF Author: Karthik G. Ganesh
Publisher:
ISBN:
Category : Artificial satellites
Languages : en
Pages : 125

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Book Description
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).

Satellite Attitude Control Utilizing the Earth's Magnetic Field

Satellite Attitude Control Utilizing the Earth's Magnetic Field PDF Author: John S. White (writer on artificial satellites.)
Publisher:
ISBN:
Category : Artificial satellites
Languages : en
Pages : 42

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Book Description
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).

Satellite Attitude Control Using the Earth's Magnetic Field

Satellite Attitude Control Using the Earth's Magnetic Field PDF Author: R. E. TOEPFER
Publisher:
ISBN:
Category :
Languages : en
Pages : 1

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Book Description


A Method for Controlling the Attitude of a Satellite Using the Earth's Magnetic Field

A Method for Controlling the Attitude of a Satellite Using the Earth's Magnetic Field PDF Author: Wilfred Joseph Minkus
Publisher:
ISBN:
Category :
Languages : en
Pages : 36

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Book Description
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).

Spacecraft Dynamics and Control

Spacecraft Dynamics and Control PDF Author: Marcel J. Sidi
Publisher: Cambridge University Press
ISBN: 1139936131
Category : Technology & Engineering
Languages : en
Pages : 434

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Book Description
Satellites are used increasingly in telecommunications, scientific research, surveillance, and meteorology, and these satellites rely heavily on the effectiveness of complex onboard control systems. This 1997 book explains the basic theory of spacecraft dynamics and control and the practical aspects of controlling a satellite. The emphasis throughout is on analyzing and solving real-world engineering problems. For example, the author discusses orbital and rotational dynamics of spacecraft under a variety of environmental conditions, along with the realistic constraints imposed by available hardware. Among the topics covered are orbital dynamics, attitude dynamics, gravity gradient stabilization, single and dual spin stabilization, attitude maneuvers, attitude stabilization, and structural dynamics and liquid sloshing.

Spacecraft Attitude Determination and Control

Spacecraft Attitude Determination and Control PDF Author: J.R. Wertz
Publisher: Springer Science & Business Media
ISBN: 9400999070
Category : Technology & Engineering
Languages : en
Pages : 877

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Book Description
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.

Attitude Control Subsystem for the Advanced Communications Technology Satellite

Attitude Control Subsystem for the Advanced Communications Technology Satellite PDF Author: Alan W. Hewston
Publisher:
ISBN:
Category : Artificial satellites in telecommunication
Languages : en
Pages : 32

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Book Description


Proceedings of International Conference on Sustainable Expert Systems

Proceedings of International Conference on Sustainable Expert Systems PDF Author: Subarna Shakya
Publisher: Springer Nature
ISBN: 9813343559
Category : Computers
Languages : en
Pages : 715

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Book Description
This book includes papers on intelligent expert systems and sustainability applications in the areas of data science, image processing, wireless communication, risk assessment, healthcare, intelligent social network mining, and energy. The recent growth of sustainability leads to a progressively new era of computing, where its design and deployment leverages significant impact on the intelligent systems research. Moreover, the sustainability technologies can be effectively used in the progressive deployment of various network-enabled technologies like intelligent sensors, smart cities, wearable technologies, robotics, web applications and other such Internet technologies. The thrust of this book is to publish the state-of-the-art research articles that deals with the design, development, implementation and testing of the intelligent expert systems and also to provide an overview of the sustainable management of these systems.

Fast Satellite Attitude Maneuver and Control

Fast Satellite Attitude Maneuver and Control PDF Author: Dong Ye
Publisher: Academic Press
ISBN: 0323954561
Category : Technology & Engineering
Languages : en
Pages : 280

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Book Description
Fast Satellite Attitude Maneuver and Control introduces the concept of agile satellites and corresponding fast maneuver attitude control systems, systematically and comprehensively presenting recent research results of fast maneuver attitude control for agile satellites by using advanced nonlinear control techniques. This reference book focuses on modeling and attitude control, considering different actuator combinations, actuator installation deviation, actuator fault, and flexible appendage coupling effect for agile satellites. The book provides a unified platform for understanding and applicability of agile satellites fast maneuverer and stabilization control for different purposes. It will be an excellent resource for researchers working on spacecraft design, nonlinear control systems, vehicle systems and complex control systems. - Unifies existing and emerging concepts concerning nonlinear control theory, fault tolerant, and attitude control for agile satellites - Provides a series of the latest results, including, but not limited to, fast maneuverer and stabilization control, hybrid actuator control, nonlinear attitude control, fault tolerant control, and active vibration suppression towards agile satellites - Comprehensively captures recent advances of theory, technological aspects and applications of fast maneuverer and stabilization control in agile satellites - Addresses research problems in each chapter, along with numerical and simulation results that reflect engineering practice and demonstrate the focus of developed analysis and synthesis approaches - Contains comprehensive, up-to-date references, which play an indicative role for further study

Smart Small Satellites: Design, Modelling and Development

Smart Small Satellites: Design, Modelling and Development PDF Author: Chander Prakash
Publisher: Springer Nature
ISBN: 9811971986
Category : Technology & Engineering
Languages : en
Pages : 177

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Book Description
This book comprises the select proceedings of the International Conference on Small Satellites and its Applications (ICSS) 2022. It aims to provide a comprehensive and broad-spectrum picture of the state-of-the-art research, development, and commercial perspective of various discoveries conducted in the real-world smart small satellites, applications and their services. The contents of this book focuses on efficient power management system, application-based optimum payload designs, telemetry and telecommand, advanced navigation and RF systems, flight and ground software’s, structure, mechanism and materials, space craft autonomy, quality, testing and reliability for designing the small satellites through advanced computational procedures for a variety of applications, etc. This book proves a valuable resource for those in academia and industry.