Attitude Control Of A Spacecraft With A Strapdown Inertial Reference System And Onboard Computer By John Hrastar
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Attitude Control Of A Spacecraft With A Strapdown Inertial Reference System And Onboard Computer
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Author : John Hrastar
language : en
Publisher:
Release Date : 1970
Attitude Control Of A Spacecraft With A Strapdown Inertial Reference System And Onboard Computer written by John Hrastar and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1970 with Algorithms categories.
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.
Attitude Control Of A Spacecraft With A Strapdown Inertial Reference System And Onboard Computer By John Hrastar
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Author : John Hrastar
language : en
Publisher:
Release Date : 1970
Attitude Control Of A Spacecraft With A Strapdown Inertial Reference System And Onboard Computer By John Hrastar written by John Hrastar and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1970 with categories.
Attitude Control Of A Spacecraft With A Strapdown Inertial Reference System And Onboard Computer
DOWNLOAD
Author : John Hrastar
language : en
Publisher:
Release Date : 1970
Attitude Control Of A Spacecraft With A Strapdown Inertial Reference System And Onboard Computer written by John Hrastar and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1970 with Attitude control categories.
Nasa Technical Note
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Author :
language : en
Publisher:
Release Date : 1970
Nasa Technical Note written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1970 with categories.
Scientific And Technical Aerospace Reports
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Author :
language : en
Publisher:
Release Date : 1970
Scientific And Technical Aerospace Reports written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1970 with Aeronautics categories.
Monthly Catalogue United States Public Documents
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Author :
language : en
Publisher:
Release Date : 1970
Monthly Catalogue United States Public Documents written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1970 with Government publications categories.
Spacecraft Modeling Attitude Determination And Control
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Author : Yaguang Yang
language : en
Publisher: CRC Press
Release Date : 2019-02-06
Spacecraft Modeling Attitude Determination And Control written by Yaguang Yang and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2019-02-06 with Science categories.
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 Contractor Report
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Author :
language : en
Publisher:
Release Date : 1971
Nasa Contractor Report written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1971 with Aeronautics categories.
System Configuration And Executive Requirements Specifications For Reusable Shuttle And Space Station Base
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Author :
language : en
Publisher:
Release Date : 1971
System Configuration And Executive Requirements Specifications For Reusable Shuttle And Space Station Base written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1971 with categories.
Feasibility Study Of Optimum On Off Attitude Control System For Spacecraft
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Author : John D. Regetz (Jr.)
language : en
Publisher:
Release Date : 1968
Feasibility Study Of Optimum On Off Attitude Control System For Spacecraft written by John D. Regetz (Jr.) and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1968 with Space vehicles categories.