Spacecraft Collision Avoidance Technology
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Spacecraft Collision Avoidance Technology
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Author : Zhang Rongzhi
language : en
Publisher: Academic Press
Release Date : 2020-03-03
Spacecraft Collision Avoidance Technology written by Zhang Rongzhi and has been published by Academic Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2020-03-03 with Technology & Engineering categories.
Spacecraft Collision Avoidance Technology presents the theory and practice of space collision avoidance. The title gives models of time and space environment, their impact on high-precision orbit prediction, considers optimal orbit determination methods and models in different warning stages, and establishes basic models for warning and avoidance. Chapters present an outline of spacecraft collision warning strategy, elaborate on the basics of orbital calculation for collision avoidance, consider space object detection technology, detail space environment and object orbit, give a method for spacecraft collision warning orbit calculation, and finally, demonstrate a strategy for spacecraft collision warning and avoidance. Presents strategies, methods and real-world examples relating to space collision avoidance Considers time and space environment models in orbit prediction Gives optimal orbit determination methods and models for various warning stages Establishes and elaborates basic models for warning and avoidance Takes note of the current space environment for object detection and collision avoidance
Trajectory Optimization For Spacecraft Collision Avoidance
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Author : Air Force Institute of Technology
language : en
Publisher: CreateSpace
Release Date : 2014-08-21
Trajectory Optimization For Spacecraft Collision Avoidance written by Air Force Institute of Technology and has been published by CreateSpace this book supported file pdf, txt, epub, kindle and other format this book has been release on 2014-08-21 with Technology & Engineering categories.
The last several decades have resulted in an unfortunate byproduct of space exploration and development: orbital debris. Satellites in Low Earth Orbit have been required to make an ever increasing number of course corrections in order to avoid collisions. Despite efforts to the contrary, collisions continue to occur, each time creating additional debris and increasing the requirement for the remaining satellites to maneuver. Every required maneuver decreases a satellite's service life. The purpose of this study is to develop a minimum thrust profile to maneuver an orbiting satellite out of its projected error ellipse before a collision occurs. For comparison, both the impulsive and continuous thrust cases were considered as well as in-plane versus out-of plane maneuvering. This study made use of the Radau Pseudospectral Method to develop this minimum thrust profile. This method was run in MATLAB(r) using General Pseudospectral Optimal Control Software (GPOPS-II). Once the optimal solution was obtained, Systems Tool Kit(r) was used to simulate the resulting calculated trajectories and confirm avoidance of the error ellipse.
Collision Avoidance Technology
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Author : United States. Congress. House. Committee on Science, Space, and Technology. Subcommittee on Transportation, Aviation, and Materials
language : en
Publisher:
Release Date : 1988
Collision Avoidance Technology written by United States. Congress. House. Committee on Science, Space, and Technology. Subcommittee on Transportation, Aviation, and Materials and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1988 with Aeronautics categories.
Limiting Future Collision Risk To Spacecraft
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Author : National Research Council
language : en
Publisher: National Academies Press
Release Date : 2011-11-16
Limiting Future Collision Risk To Spacecraft written by National Research Council and has been published by National Academies Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2011-11-16 with Science categories.
Derelict satellites, equipment and other debris orbiting Earth (aka space junk) have been accumulating for many decades and could damage or even possibly destroy satellites and human spacecraft if they collide. During the past 50 years, various National Aeronautics and Space Administration (NASA) communities have contributed significantly to maturing meteoroid and orbital debris (MMOD) programs to their current state. Satellites have been redesigned to protect critical components from MMOD damage by moving critical components from exterior surfaces to deep inside a satellite's structure. Orbits are monitored and altered to minimize the risk of collision with tracked orbital debris. MMOD shielding added to the International Space Station (ISS) protects critical components and astronauts from potentially catastrophic damage that might result from smaller, untracked debris and meteoroid impacts. Limiting Future Collision Risk to Spacecraft: An Assessment of NASA's Meteoroid and Orbital Debris Program examines NASA's efforts to understand the meteoroid and orbital debris environment, identifies what NASA is and is not doing to mitigate the risks posed by this threat, and makes recommendations as to how they can improve their programs. While the report identified many positive aspects of NASA's MMOD programs and efforts including responsible use of resources, it recommends that the agency develop a formal strategic plan that provides the basis for prioritizing the allocation of funds and effort over various MMOD program needs. Other necessary steps include improvements in long-term modeling, better measurements, more regular updates of the debris environmental models, and other actions to better characterize the long-term evolution of the debris environment.
Spacecraft Collision Probability
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Author : F. Kenneth Chan
language : en
Publisher:
Release Date : 2008
Spacecraft Collision Probability written by F. Kenneth Chan and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2008 with Health & Fitness categories.
The amount of space debris is growing at an alarming rate, raising concern about its collision with operational spacecraft. This book analyzes the probability of such a collision when the orbits of two approaching objects are based on measurements with inherent errors. Many recent papers have dealt with the methodology of computing the collision probability in the encounter region, but they have assumed that the encounter is a flyby and is short-term, with the trajectories of the objects represented by straight lines. By contrast, Spacecraft Collision Probability, the outgrowth of the authors research during the past two decades, deals not only with those cases but also with important long-term cases in which objects spend protracted periods in the vicinity of each other. An extensive chapter is included on the International Space Station (ISS), to demonstrate how one would accurately gauge its probability of collision. The ISS is modeled according to its actual complex shape, component by componentenabling the detailed computation of a more realistic collision probability than one would obtain by the routine practice of modeling it as a sphere. In addition, the author developed Excel macros to obtain the numerical tables and graphical plots appearing in the book. That software is available on the Supporting Materials page of the AIAA Web site.
Protecting The Space Shuttle From Meteoroids And Orbital Debris
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Author : National Research Council
language : en
Publisher: National Academies Press
Release Date : 1998-01-09
Protecting The Space Shuttle From Meteoroids And Orbital Debris written by National Research Council and has been published by National Academies Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 1998-01-09 with Science categories.
The space shuttle orbiter has already been struck many times by small meteoroids and orbital debris, but it has not been damaged severely. There is a real risk, however, that a meteoroid or debris impact could one day force the crew to abort a mission or might result in loss of life or loss of the shuttle itself. Protecting the Space Shuttle from Meteoroids and Orbital Debris assesses the magnitude of the problem and suggests changes that the National Aeronautics and Space Administration can make to reduce the risk to the shuttle and its crew. December
Protecting The Space Station From Meteoroids And Orbital Debris
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Author : Division on Engineering and Physical Sciences
language : en
Publisher: National Academies Press
Release Date : 1997-02-02
Protecting The Space Station From Meteoroids And Orbital Debris written by Division on Engineering and Physical Sciences and has been published by National Academies Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 1997-02-02 with Science categories.
Safety Design For Space Systems
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Author : Gary Eugene Musgrave
language : en
Publisher: Butterworth Heinemann
Release Date : 2009
Safety Design For Space Systems written by Gary Eugene Musgrave and has been published by Butterworth Heinemann this book supported file pdf, txt, epub, kindle and other format this book has been release on 2009 with Technology & Engineering categories.
Introduction to space safety -- The space environment : natural and induced -- Overview of bioastronautics -- Basic principles of space safety -- Human rating concepts -- Life support systems safety -- Emergency systems -- Collision avoidance systems -- Robotic systems safety -- Meteoroid and debris protection -- Noise control design -- Materials safety -- Oxygen systems safety -- Avionics safety -- Software system safety -- Battery safety -- Mechanical systems safety -- Containment of hazardous materials -- Failure tolerance design -- Propellant systems safety -- Pyrotechnic safety -- Extravehicular activity safety -- Emergency, caution, and warning system -- Laser safety -- Crew training safety : an integrated process -- Safety considerations for the ground environment -- Fire safety -- Safe without services design -- Probabilistic risk assessment with emphasis.
Orbital Space Debris
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Author : United States. Congress. House. Committee on Science, Space, and Technology. Subcommittee on Space Science and Applications
language : en
Publisher:
Release Date : 1988
Orbital Space Debris written by United States. Congress. House. Committee on Science, Space, and Technology. Subcommittee on Space Science and Applications and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1988 with Outer space categories.
Safety Design For Space Operations
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Author : Tommaso Sgobba
language : en
Publisher: Elsevier Inc. Chapters
Release Date : 2013-03-24
Safety Design For Space Operations written by Tommaso Sgobba and has been published by Elsevier Inc. Chapters this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-03-24 with Technology & Engineering categories.
This chapter deals with some key topics of orbital safety. It starts with an overview of the issue of space traffic control and space situational awareness, and then proceeds to address conjunction analyses and collision avoidance maneuvers (CAM), including for the International Space Station. Another kind of collision risk discussed is the jettison of discarded hardware. The chapter then covers rendezvous and docking/berthing operations. Collision safety risks, their causes and consequences, and the measures for protection are discussed in detail. The chapter also covers the issues of space vehicles charging and contamination hazards, including the shock hazard for astronauts involved in extravehicular activities. Finally, the chapter presents end-of life mitigation measures and techniques for space debris removal, such as space tugs, drag devices and electrodynamic propulsion.