A System For Inertial Experiment Pointing And Attitude Control

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A System for Inertial Experiment Pointing and Attitude Control

Author : Peter R. Kurzhals
Publisher :
ISBN 13 :
Total Pages : 76 pages
Book Rating : 4.:/5 (317 download)

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Book Synopsis A System for Inertial Experiment Pointing and Attitude Control by : Peter R. Kurzhals

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.

Attitude Control of a Spacecraft with a Strapdown Inertial Reference System and Onboard Computer

Author : John Hrastar
Publisher :
ISBN 13 :
Total Pages : 36 pages
Book Rating : 4.:/5 (31 download)

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Book Synopsis Attitude Control of a Spacecraft with a Strapdown Inertial Reference System and Onboard Computer by : John Hrastar

Download or read book Attitude Control of a Spacecraft with a Strapdown Inertial Reference System and Onboard Computer written by John Hrastar and published by . This book was released on 1970 with total page 36 pages. Available in PDF, EPUB and Kindle. Book excerpt: A strapdown inertial reference system and an onboard digital computer can be used to change the attitude of a spacecraft over large angles in an arbitrary direction. A study was conducted with an advanced Orbiting Astronomical Observatory (OAO) using a three-axis control law previously proven globally stable. The control system can reorient the spacecraft to an arbitrary inertial attitude with a single command by operating the three momentum wheels simultaneously. Reorientation, therefore, becomes a simple extension of a hold or pointing mode. The time required for reorientation with this system is considerably shorter than the time required for a series of single-axis slews. The spacecraft attitude and control law are continuously updated by the onboard computer's using information provided by the strapdown inertial reference system. The use of a computer and inertial reference system with characteristics of systems presently under development demonstrates the feasibility of orientation with such a reference system. The basic system is not limited to the OAO but may be adapted for other three-axis-stabilized spacecraft.

NASA Technical Report

Author :
Publisher :
ISBN 13 :
Total Pages : 550 pages
Book Rating : 4.:/5 (319 download)

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Book Synopsis NASA Technical Report by :

Download or read book NASA Technical Report written by and published by . This book was released on 1966 with total page 550 pages. Available in PDF, EPUB and Kindle. Book excerpt:

SYSTEM FOR INERTIAL EXPERIMENT POINTING AND ATTITUE CONTROL.

Author : UNITED STATES. NATIONAL AERONAUTICS AND SPACE ADMINISTRATION.
Publisher :
ISBN 13 :
Total Pages : 50 pages
Book Rating : 4.:/5 (131 download)

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Book Synopsis SYSTEM FOR INERTIAL EXPERIMENT POINTING AND ATTITUE CONTROL. by : UNITED STATES. NATIONAL AERONAUTICS AND SPACE ADMINISTRATION.

Download or read book SYSTEM FOR INERTIAL EXPERIMENT POINTING AND ATTITUE CONTROL. written by UNITED STATES. NATIONAL AERONAUTICS AND SPACE ADMINISTRATION. and published by . This book was released on with total page 50 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.

NASA Scientific and Technical Reports

Author : United States. National Aeronautics and Space Administration Scientific and Technical Information Division
Publisher :
ISBN 13 :
Total Pages : 2300 pages
Book Rating : 4.F/5 ( download)

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Book Synopsis NASA Scientific and Technical Reports by : United States. National Aeronautics and Space Administration Scientific and Technical Information Division

Download or read book NASA Scientific and Technical Reports written by United States. National Aeronautics and Space Administration Scientific and Technical Information Division and published by . This book was released on 1967 with total page 2300 pages. Available in PDF, EPUB and Kindle. Book excerpt:

A Study of Attitude Control Concepts for Precision-pointing Nonrigid Spacecraft

Author : Peter W. Likins
Publisher :
ISBN 13 :
Total Pages : 170 pages
Book Rating : 4.:/5 (31 download)

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Book Synopsis A Study of Attitude Control Concepts for Precision-pointing Nonrigid Spacecraft by : Peter W. Likins

Download or read book A Study of Attitude Control Concepts for Precision-pointing Nonrigid Spacecraft written by Peter W. Likins and published by . This book was released on 1975 with total page 170 pages. Available in PDF, EPUB and Kindle. Book excerpt:

A Long-range Program in Space Astronomy - Position Paper of the Astronomy Missions Board

Author : Robert O. Doyle
Publisher :
ISBN 13 :
Total Pages : 324 pages
Book Rating : 4.:/5 (317 download)

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Book Synopsis A Long-range Program in Space Astronomy - Position Paper of the Astronomy Missions Board by : Robert O. Doyle

Download or read book A Long-range Program in Space Astronomy - Position Paper of the Astronomy Missions Board written by Robert O. Doyle and published by . This book was released on 1969 with total page 324 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Scientific and Technical Aerospace Reports

Author :
Publisher :
ISBN 13 :
Total Pages : 1370 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 1981 with total page 1370 pages. Available in PDF, EPUB and Kindle. Book excerpt: Lists citations with abstracts for aerospace related reports obtained from world wide sources and announces documents that have recently been entered into the NASA Scientific and Technical Information Database.

A Long-range Program in Space Astronomy

Author : United States. Astronomy Missions Board
Publisher :
ISBN 13 :
Total Pages : 332 pages
Book Rating : 4.:/5 (1 download)

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Book Synopsis A Long-range Program in Space Astronomy by : United States. Astronomy Missions Board

Download or read book A Long-range Program in Space Astronomy written by United States. Astronomy Missions Board and published by . This book was released on 1969 with total page 332 pages. Available in PDF, EPUB and Kindle. Book excerpt: Potential for advancement of astronomy by space programs.

NASA Technical Note

Author :
Publisher :
ISBN 13 :
Total Pages : 560 pages
Book Rating : 4.:/5 (319 download)

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Book Synopsis NASA Technical Note by :

Download or read book NASA Technical Note written by and published by . This book was released on 1975 with total page 560 pages. Available in PDF, EPUB and Kindle. Book excerpt:

A Selected Listing of NASA Scientific and Technical Reports for ...

Author : United States. National Aeronautics and Space Administration. Scientific and Technical Information Division
Publisher :
ISBN 13 :
Total Pages : 2088 pages
Book Rating : 4.E/5 ( download)

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Book Synopsis A Selected Listing of NASA Scientific and Technical Reports for ... by : United States. National Aeronautics and Space Administration. Scientific and Technical Information Division

Download or read book A Selected Listing of NASA Scientific and Technical Reports for ... written by United States. National Aeronautics and Space Administration. Scientific and Technical Information Division and published by . This book was released on 1966 with total page 2088 pages. Available in PDF, EPUB and Kindle. Book excerpt:

A Selected Listing of NASA Scientific and Technical Reports for 1966

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Book Synopsis A Selected Listing of NASA Scientific and Technical Reports for 1966 by : United States. National Aeronautics and Space Administration. Scientific and Technical Information Division

Download or read book A Selected Listing of NASA Scientific and Technical Reports for 1966 written by United States. National Aeronautics and Space Administration. Scientific and Technical Information Division and published by . This book was released on 1967 with total page 2084 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Laser Gyro Attitude Control System Feasibility Study

Author : Christopher R. Cassell
Publisher :
ISBN 13 :
Total Pages : 40 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis Laser Gyro Attitude Control System Feasibility Study by : Christopher R. Cassell

Download or read book Laser Gyro Attitude Control System Feasibility Study written by Christopher R. Cassell and published by . This book was released on 1987 with total page 40 pages. Available in PDF, EPUB and Kindle. Book excerpt: his report briefly reviews the principles and properties of optical rate sensors. It then further describes some existing ring laser gyro systems and considers how their utilization would affect performance, cost and reliability of attitude control systems currently used or proposed for use in sounding rocket applications at the Air Force Geophysics Laboratory (AFGL).

NASA Patent Abstracts Bibliography

Author : United States. National Aeronautics and Space Administration. Scientific and Technical Information Office
Publisher :
ISBN 13 :
Total Pages : 396 pages
Book Rating : 4.F/5 ( download)

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Book Synopsis NASA Patent Abstracts Bibliography by : United States. National Aeronautics and Space Administration. Scientific and Technical Information Office

Download or read book NASA Patent Abstracts Bibliography written by United States. National Aeronautics and Space Administration. Scientific and Technical Information Office and published by . This book was released on 1972 with total page 396 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Monthly Catalog of United States Government Publications

Author : United States. Superintendent of Documents
Publisher :
ISBN 13 :
Total Pages : 1464 pages
Book Rating : 4.:/5 (89 download)

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Book Synopsis Monthly Catalog of United States Government Publications by : United States. Superintendent of Documents

Download or read book Monthly Catalog of United States Government Publications written by United States. Superintendent of Documents and published by . This book was released on 1966 with total page 1464 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Spacecraft Attitude Determination and Control

Author : J.R. Wertz
Publisher : Springer Science & Business Media
ISBN 13 : 9400999070
Total Pages : 877 pages
Book Rating : 4.4/5 (9 download)

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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.