Small Satellite Attitude Control For Sun Oriented Operations Utilizing A Momentum Bias With Magnetic Actuators

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Small Satellite Attitude Control For Sun Oriented Operations Utilizing A Momentum Bias With Magnetic Actuators

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Author : Scott Michael Wolfe
language : en
Publisher:
Release Date : 1995

Small Satellite Attitude Control For Sun Oriented Operations Utilizing A Momentum Bias With Magnetic Actuators written by Scott Michael Wolfe and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1995 with categories.

The feasibility of using a three axis control, momentum bias system with magnetic actuators for sun-oriented operations is explored. Relevant equations of motion are developed for a sun-oriented coordinate system and control laws are developed for: initial spacecraft capture after launch vehicle separation; reorientation from Earth oriented to a sun oriented operations mode; sun-oriented attitude control; and momentum wheel control. Simulations demonstrating the stability and time responsiveness of the system are performed. Sensor noise input tests are performed to investigate the systems susceptibility to imperfect conditions. Cross product of inertia effects are also input to test for system instability.

Small Satellite Attitude Control For Sun Oriented Operations Utilizing A Momentum Bias With Magnetic Actuators

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Author : Scott Michael Wolfe
language : en
Publisher:
Release Date : 1995

Small Satellite Attitude Control For Sun Oriented Operations Utilizing A Momentum Bias With Magnetic Actuators written by Scott Michael Wolfe and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1995 with categories.

The feasibility of using a three axis control, momentum bias system with magnetic actuators for sun-oriented operations is explored. Relevant equations of motion are developed for a sun-oriented coordinate system and control laws are developed for: initial spacecraft capture after launch vehicle separation; reorientation from Earth oriented to a sun oriented operations mode; sun-oriented attitude control; and momentum wheel control. Simulations demonstrating the stability and time responsiveness of the system are performed. Sensor noise input tests are performed to investigate the systems susceptibility to imperfect conditions. Cross product of inertia effects are also input to test for system instability.

Masters Theses In The Pure And Applied Sciences

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Author : Wade H. Shafer
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-12-06

Masters Theses In The Pure And Applied Sciences written by Wade H. Shafer 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 2012-12-06 with Science categories.

Masters Theses in the Pure and Applied Sciences was first conceived, published, and disseminated by the Center for Information and Numerical Data Analysis and Synthesis (CINDAS)* at Purdue University in 1957, starting its coverage of theses with the academic year 1955. Beginning with Volume 13, the printing and dis semination phases of the activity were transferred to University Microfilms/Xerox of Ann Arbor, Michigan, with the thought that such an arrangement would be more beneficial to the academic and general scientific and technical community. After five years of this jOint undertaking we had concluded that it was in the interest of all concerned if the printing and distribution of the volumes were handled by an international publishing house to assure improved service and broader dissemination. Hence, starting with Volume 18, Masters Theses in the Pure and Applied Sciences has been disseminated on a worldwide basis by Plenum Publishing Corporation of New York, and in the same year the coverage was broadened to include Canadian universities. All back issues can also be ordered from Plenum. We have reported in Volume 40 (thesis year 1995) a total of 10,746 thesis titles from 19 Canadian and 144 United States universities. We are sure that this broader base for these titles reported will greatly enhance the value of this impor tant annual reference work. While Volume 40 reports theses submitted in 1995, on occasion, certain uni versities do report theses submitted in previous years but not reported at the time.

Compilation Of Theses Abstracts October 1994 September 1995

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Author : United States. Naval Postgraduate School, Monterey, CA.
language : en
Publisher:
Release Date : 1995

Compilation Of Theses Abstracts October 1994 September 1995 written by United States. Naval Postgraduate School, Monterey, CA. and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1995 with Dissertations, Academic categories.

A Summary Of Research 1995

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Author : United States. Naval Postgraduate School, Monterey, CA.
language : en
Publisher:
Release Date : 1995

A Summary Of Research 1995 written by United States. Naval Postgraduate School, Monterey, CA. and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1995 with Military research categories.

Astrodynamics 1995

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Author : K. Terry Alfriend
language : en
Publisher:
Release Date : 1996

Astrodynamics 1995 written by K. Terry Alfriend and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1996 with Astrodynamics categories.

The proceedings of the August 1995 conference, co-sponsored by the American Astronomical Society and the American Institute of Aeronautics and Astronautics, comprise 130 papers in the areas of attitude determination, mission design, orbit determination and control, tether satellite systems, space robotics, trajectory design and optimization, orbital debris, and control of flexible structures. The present volume consists of two parts plus a $15 microfiche supplement (unseen by Book News). All of the papers appear in full in either Volume 90 or its supplement; in all cases, at least an abstract appears in Volume 90 itself with reference to the supplement. No index. Annotation copyright by Book News, Inc., Portland, OR

Spacecraft Attitude Determination And Control

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Author : J.R. Wertz
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-12-06

Spacecraft Attitude Determination And Control written by J.R. Wertz 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 2012-12-06 with Technology & Engineering categories.

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.

Satellite Technology And Its Applications

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Author : P. R. K. Chetty
language : en
Publisher: Notion Press
Release Date : 2023-12-27

Satellite Technology And Its Applications written by P. R. K. Chetty and has been published by Notion Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2023-12-27 with Technology & Engineering categories.

An authoritative reference on the latest Satellite Technology, including applications, history, evolution, design, descriptions, formulas, calculations and much more. Satellites play a vital role in today’s world and as satellite costs decrease, potential applications grow. Whether you’re a satellite systems engineer, designer, or manager, you need a good, all-purpose reference to this important technology. Now, with Satellite Technology and Its Applications – 3rd Edition, author provides broadened updated coverage of today’s satellite systems, including system data, design formulas and examples, and many other aspects of current spacecraft subsystems. Intended to save you time and effort in your research, this book offers a single source of information related to the design and analysis of satellite systems and their applications. Author’s extensive experience in the U.S., European and Indian space programs gives a wide perspective on this increasingly international scientific endeavor. Satellite design engineers, systems engineers, and managers will find this book to be completely up-to-date, comprehensive and accurate. Regardless of your field of concentration, you’ll discover this comprehensive guide to satellite technology is the most current general reference available.

A Flexible Attitude Control System For Three Axis Stabilized Nanosatellites

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Author : Gordon, Karsten
language : en
Publisher: Universitätsverlag der TU Berlin
Release Date : 2018-03-15

A Flexible Attitude Control System For Three Axis Stabilized Nanosatellites written by Gordon, Karsten and has been published by Universitätsverlag der TU Berlin this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-03-15 with Technology & Engineering categories.

This thesis investigates a new concept for the flexible design and verification of an ADCS for a nanosatellite platform. In order to investigate guidelines for the design of a flexible ADCS, observations of the satellite market and missions are recorded. Following these observations, the author formulates design criteria which serve as a reference for the conceptual design of the flexible ADCS. The research of the thesis was carried out during the development of TU Berlin's nanosatellite platform TUBiX20 and its first two missions, TechnoSat and TUBIN. TUBiX20 targets modularity, reuse and dependability as main design goals. Based on the analysis of design criteria for a flexible ADCS, these key design considerations for the TUBiX20 platform were continued for the investigations carried out in this thesis. The resulting concept implements the ADCS as a distributed system of devices complemented by a hardware-independent core application for state determination and control. Drawing on the technique of component-based software engineering, the system is partitioned into self-contained modules which implement unified interfaces. These interfaces specify the state quantity of an input or output but also its unit and coordinate system, complemented by a mathematical symbol for unambiguous documentation. The design and verification process for the TUBiX20 ADCS was also elaborated during the course of this research. The approach targets the gradual development of the subsystem from a purely virtual satellite within a closed-loop simulation to the verification of the fully integrated system on an air-bearing testbed. Finally, the concurrent realization of the investigated concept within the TechnoSat and TUBIN missions is discussed. Starting with the individual ADCS requirements, the scalability of the approach is demonstrated in three stages: from a coarse, but cost- and energy-efficient configuration to realize a technology demonstration mission with moderate requirements (TechnoSat) to a high-performance configuration to support Earth observation missions (TUBIN). Diese Dissertation untersucht ein neues Konzept zur flexiblen Entwicklung und Verifikation eines Lageregelungssystems für eine Nanosatellitenplattform. Als Grundlage für die Erarbeitung eines Leitfadens für die Entwicklung werden zunächst Beobachtung des Satellitenmarkts sowie konkreter Missionen zusammengetragen. Darauf aufbauend formuliert der Autor Entwurfskriterien für die Konzipierung eines flexiblen Lageregelungssystems. Die Dissertation wurde im Rahmen der Entwicklung der TUBiX20 Nanosatellitenplattform und ihrer ersten beiden Missionen, TechnoSat und TUBIN, an der TU Berlin durchgeführt. TUBiX20 verfolgt Modularität, Wiederverwendung und Zuverlässigkeit als Entwicklungsziele. Diese werden unter der Verwendung der vom Autor hergeleiteten Entwurfskriterien in dieser Arbeit im Kontext des Lageregelungssystems verfeinert. Das resultierende Konzept setzt dieses als verteiltes System von Geräten und einem hardware-unabhängigen Software-Kern um. Der Software-Entwurfstechnik Component-based software engineering folgend ist das System in unabhängige Module unterteilt, welche wiederum einheitliche Schnittstellen implementieren. Diese Schnittstellen spezifizieren die Zustandsgrößen für die Ein- und Ausgänge der Module inklusive Einheit, Koordinatensystem und mathematischem Symbol für eine eindeutige Darstellung. Der Entwurfs- und Verifikationsprozess für das TUBiX20 Lageregelungssystem wurde vom Autor im Rahmen der Arbeit untersucht. Hier verfolgt der Ansatz einen schrittweisen übergang von einem virtuellen Satelliten als Simulationsmodell bis hin zur Verifikation des integrierten Systems auf einem Lageregelungsteststand. Abschließend diskutiert die Arbeit die Realisierung des untersuchten Konzepts im Rahmen der Missionen TechnoSat und TUBIN. Beginnend mit den jeweiligen Anforderungen wird die Skalierbarkeit des Ansatzes in drei Stufen demonstriert: von einer groben, aber kosten- und energieeffizienten Konfiguration für eine Technologieerprobungsmission mit moderaten Anforderungen (TechnoSat) bis hin zu einer Konfiguration für hochgenaue Lageregelung als Basis für Erdbeobachtungsmissionen (TUBIN).

Flight Dynamics And Control Of Aero And Space Vehicles

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Author : Rama K. Yedavalli
language : en
Publisher: John Wiley & Sons
Release Date : 2020-02-25

Flight Dynamics And Control Of Aero And Space Vehicles written by Rama K. Yedavalli and has been published by John Wiley & Sons this book supported file pdf, txt, epub, kindle and other format this book has been release on 2020-02-25 with Technology & Engineering categories.

Flight Vehicle Dynamics and Control Rama K. Yedavalli, The Ohio State University, USA A comprehensive textbook which presents flight vehicle dynamics and control in a unified framework Flight Vehicle Dynamics and Control presents the dynamics and control of various flight vehicles, including aircraft, spacecraft, helicopter, missiles, etc, in a unified framework. It covers the fundamental topics in the dynamics and control of these flight vehicles, highlighting shared points as well as differences in dynamics and control issues, making use of the ‘systems level’ viewpoint. The book begins with the derivation of the equations of motion for a general rigid body and then delineates the differences between the dynamics of various flight vehicles in a fundamental way. It then focuses on the dynamic equations with application to these various flight vehicles, concentrating more on aircraft and spacecraft cases. Then the control systems analysis and design is carried out both from transfer function, classical control, as well as modern, state space control points of view. Illustrative examples of application to atmospheric and space vehicles are presented, emphasizing the ‘systems level’ viewpoint of control design. Key features: Provides a comprehensive treatment of dynamics and control of various flight vehicles in a single volume. Contains worked out examples (including MATLAB examples) and end of chapter homework problems. Suitable as a single textbook for a sequence of undergraduate courses on flight vehicle dynamics and control. Accompanied by a website that includes additional problems and a solutions manual. The book is essential reading for undergraduate students in mechanical and aerospace engineering, engineers working on flight vehicle control, and researchers from other engineering backgrounds working on related topics.