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Books > Professional & Technical > Other technologies > Space science > Astronautics
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.
This book describes a feasible means of constructing such a
reflector, as well as simple, reliable and low-cost structures for
television and radio transmissions, debris removal from space and
the development of solar sails for interplanetary missions. The aim
of this book is thus to provide a comprehensive overview of the
research in the technology of such space based structures expanded
by centrifugal forces.
Winner of the Nebraska Book Award What’s it like to travel at more than 850 MPH, riding in a supersonic T-38 twin turbojet engine airplane? What happens when the space station toilet breaks? How do astronauts “take out the trash†on a spacewalk, tightly encapsulated in a space suit with just a few layers of fabric and Kevlar between them and the unforgiving vacuum of outer space? The Ordinary Spaceman puts you in the flight suit of U.S. astronaut Clayton C. Anderson and takes you on the journey of this small-town boy from Nebraska who spent 167 days living and working on the International Space Station, including nearly forty hours of space walks. Having applied to NASA fifteen times over fifteen years to become an astronaut before his ultimate selection, Anderson offers a unique perspective on his life as a veteran space flier, one characterized by humility and perseverance. From the application process to launch aboard the space shuttle Atlantis, from serving as a family escort for the ill-fated Columbia crew in 2003 to his own daily struggles—family separation, competitive battles to win coveted flight assignments, the stress of a highly visible job, and the ever-present risk of having to make the ultimate sacrifice—Anderson shares the full range of his experiences. With a mix of levity and gravitas, Anderson gives an authentic view of the highs and the lows, the triumphs and the tragedies of life as a NASA astronaut. Â
This critical study of NASA's space shuttle program provides an in-depth examination of the events, decisions, and policies that may have contributed to the horrific destruction of the shuttles Challenger and Columbia. It first traces the early development of NASA's shuttle program, specifically examining the problems associated with the designs of shuttles OV-099 (which was to become Challenger) and OV-102 (which was to become Columbia). The reader is then taken through a detailed look at the first successful flights made by Challenger and Columbia and the cancellation of top-secret Shuttle flight 51-C (which would have launched under nearly identical weather conditions as the ill-fated Challenger). An in-depth assessment of the shuttles' disastrous final launches follows, including detailed accounts of the post-flight search and rescue operations, the official investigations into each accident, and the impact of each disaster on the future of NASA's manned space program.
This is a modern textbook that guides the reader through the theory and practice of satellite orbit prediction and determination. Starting from the basic principles of orbital mechanics, it covers elaborate force models as well as precise methods of satellite tracking. Emphasis is on numerical treatment and a multitude of algorithms adopted in modern satellite trajectory computation are described in detail. The accompanying CD-ROM includes all source codes written in C++ and relevant data files for applications. The result is a powerful and unique spaceflight dynamics library which allows easy software extensions by the user. An extensive collection of Internet resources is provided through WWW hyperlinks to detailed and frequently updated online information on spaceflight dynamics. The book addresses students, scientist working in the field of navigation, geodesy and spaceflight technology and satellite engineers and operators focusing on spaceflight dynamics.
Is there life on Mars? If not, why not? These questions have gripped mankind throughout the twentieth century. In the shadow of the new millennium, The Genesis Question seeks the definitive answers from the scientists participating in the race to discover life on the Red Planet. 'Ever since I was a small child, I've believed there was life out there. When I look at the magnitude of the universe, with its billions of stars, I believe that if life developed here on Earth, it must have developed elsewhere. We simply can't be unique. I really don't think we're the most intelligent life forms in the universe, but that's just my gut feeling', Dr Claire Parkinson, NASA scientist. Of all the planets, Mars has exerted the most powerful allure over the human intellect and imagination. Generations of astronomers have expected to find clues to the origin and destiny of Earth and its inhabitants concealed amid the red storms sweeping across the surface of Mars. Today, public interest in the Mars mission is sky-high; the exploits of the tiny Mars Rover 'Sojourner' in the summer of 1997 excited the greatest curiosity in a space mission in a generation. In The Quest for Mars Laurence Bergreen has unrestricted access to a team of NASA employees - engineers, geologists and other scientists - who are consumed by the search for proof of life on Mars. As one formidable obstacle after another attempts to scupper their quest for a deeper understanding of life on Mars and throughout the Solar System, the narrative takes us step by step through the exhilaration and the despondency of their extraordinary adventure. Nothing is off limits in this unique, behind-the-scenes story of space exploration.
Space is far bigger than humanity can conceive. Although our ancestors visually examined the skies to make sense of the Universe, space exploration in its truest sense is just a moment in this historical timeline, yet it is how we've significantly improved our understanding of the cosmos. Space Exploration begins with the evolution of astronomy, including notable characters, scientific breakthroughs and pinnacle moments. It delves into the development of robotic spacecraft and what uncrewed and crewed missions above and beyond our planet have uncovered. It questions how this knowledge will aid us in our future space endeavours, and the myriad questions that remain unanswered.
This volume surveys our current scientific understanding of the terrestrial aurora. It is organized into eleven reviews detailing theoretical and observational aspects of characteristic auroral morphologies, and how these in turn are organized according to local time, latitude, and activity level. Popular descriptions often attribute the aurora to the interaction of charged particles from the solar wind with atoms in the upper atmosphere. In fact, most auroras are not the result of direct entry of solar wind particles. Rather, as detailed in this volume, auroral particle acceleration and generation of auroral forms occur primarily within the magnetosphere. Importantly, many key aspects of the aurora - most notably, the physical mechanisms responsible for the generation of discrete arcs - are still unexplained, and auroral physics continues to be an active area of scientific research. Each review chapter therefore includes a summary of open questions for further investigation. Providing the first comprehensive review of the terrestrial aurora in two decades, this book will aid both active researchers and newcomers interested in understanding the current state of the field. Previously published Space Science Reviews in the Topical Collection "Auroral Physics"
This book presents high-quality contributions in the subject area of Aerospace System Science and Engineering, including topics such as: Trans-space vehicle systems design and integration, Air vehicle systems, Space vehicle systems, Near-space vehicle systems, Opto-electronic system, Aerospace robotics and unmanned system, Aerospace robotics and unmanned system, Communication, navigation, and surveillance, Dynamics and control, Intelligent sensing and information fusion, Aerodynamics and aircraft design, Aerospace propulsion, Avionics system, Air traffic management, Earth observation, Deep space exploration, and Bionic micro-aircraft/spacecraft. The book collects selected papers presented at the 4th International Conference on Aerospace System Science and Engineering (ICASSE 2020), organized by Shanghai Jiao Tong University, China, held on 14-16 July 2020 as virtual event due to COVID-19. It provides a forum for experts in aeronautics and astronautics to share new ideas and findings. ICASSE conferences have been organized annually since 2017 and hosted in Shanghai, Moscow, and Toronto in turn, where the three regional editors of the journal Aerospace Systems are located.
This book systematically presents the concept, history, implementation, theory system and basic methods of pulsar and space flight, illustrating the characteristics of pulsars. It also describes the classification of spacecraft navigation systems and the autonomous navigation technologies, as well as X-ray pulsar-based navigation systems (XPNAV) and discusses future navigation satellite systems in detail.
Small satellite technology is opening up a new era in space exploration offering reduced cost of launch and maintenance, operational flexibility with on-orbit reconfiguration, redundancy etc. The true power of such missions can be harnessed only from close and precise formation flying of satellites. Formation flying missions support diverse application areas such as reconnaissance, remote sensing, solar observatory, deep space observatories, etc. A key component involved in formation flying is the guidance algorithm that should account for system nonlinearities and unknown disturbances. The main focus of this book is to present various nonlinear optimal control and adaptive guidance ideas to ensure precise close formation flying in presence of such difficulties. In addition to in-depth discussion of the relevant topics, MATLAB program files for the results included are also provided for the benefit of the readers. Since this book has concise information about the various guidance techniques, it will be useful reference for researchers and practising engineers in the space field.
This book provides systematic descriptions of design methods, typical techniques, and validation methods for lunar soft landers, covering their environmental design, system design, sub-system design, assembly, testing and ground test validation based on the Chang'e-3 mission. Offering readers a comprehensive, systematic and in-depth introduction to the technologies used in China's lunar soft landers, it presents detailed information on the design process for Chang'e-3, including methods and techniques that will be invaluable in future extraterrestrial soft lander design. As such, the book offers a unique reference guide for all researchers and professionals working on deep-space missions around the globe.
This concise history is the first book in a new series on the Soviet space program and features many rare photographs, diagrams, and charts. When Soviet rocket experts examined the first Nazi V-2s in early 1945, they immediately realized that their own technology was years behind what the Germans had developed. The dropping of the two American atomic bombs on Hiroshima and Nagasaki in August 1945 made the path forward clear: the development of a Soviet atomic bomb, and a suitable missile to carry it. This story begins with the Soviets pre- and early war developments in rocket technology, then covers the discovery and study of the V-2s at Peenemunde, Germany. The Soviets assembled remaining V-2 rockets from existing parts and their mode of operation was studied. Developments in the Soviet R and G series missiles in the early 1950s are discussed in detail, as is the development for the peaceful use of Soviet rocket technology in space.
This book provides a systematical and comprehensive description of some facets of modeling, designing, analyzing and exploring the control allocation and fault-tolerant control problems for over-actuated spacecraft attitude control system under actuator failures, system uncertainties and disturbances. The book intends to provide a unified platform for understanding and applicability of the fault-tolerant attitude control and control allocation for different purposes in aerospace engineering and some related fields. And it is particularly suited for readers who are interested to learn solutions in spacecraft attitude control system design and related engineering applications.
This book collects selected papers from the 7th Conference on Signal and Information Processing, Networking and Computers held in Rizhao, China, on September 21-23, 2020. The 7th International Conference on Signal and Information Processing, Networking and Computers (ICSINC) was held in Rizhao, China, on September 21-23, 2020.
From Homer Hickam, the author of the #1 bestselling Rocket Boys adapted into the beloved film October Sky, comes this astonishing memoir of high adventure, war, love, NASA, and his struggle for literary success. Homer Hickam's memoir Rocket Boys and the movie adaptation October Sky have become one of the most popular stories in the world, inspiring millions to pursue a better life. But what happened to Homer after he was a West Virginia rocket boy? In his latest memoir, Homer recounts his life in college where he built the world's biggest, baddest game cannon, fought through some of the worst battles in Vietnam, became a scuba instructor, discovered sunken U-boats, wrote the definitive account of a World War II naval battle, befriended Tom Clancy, made a desperate attempt to save the passengers of a sunken river boat, trained the first Japanese astronauts, taught David Letterman to scuba dive, helped to fix the Hubble Space Telescope, wrote his number one bestselling Rocket Boys, and was on set during the making of October Sky. Although told with humor and wit, Hickam does not shy away from the pain and hardship endured and the mistakes he made during the tumultuous decades since his life in the town he made famous-Coalwood, West Virginia.
The essays in this open access volume identify the key ingredients for success in capitalizing on public investments in scientific projects and the development of large-scale research infrastructures. Investment in science - whether in education and training or through public funding for developing new research tools and technologies - is a crucial priority. Authors from big research laboratories/organizations, funding agencies and academia discuss how investing in science can produce societal benefits as well as identifying future challenges for scientists and policy makers. The volume cites different ways to assess the socio-economic impact of Research Infrastructures and their role as hubs of global collaboration, creativity and innovation. It highlights the different benefits stemming from fundamental research at the local, national and global level, while also inviting us to rethink the notion of "benefit" in the 21st century. Public investment is required to maintain the pace of technological and scientific advancements over the next decades. Far from advocating a radical transformation and massive expansion in funding, the authors suggest ways for maintaining a strong foundation of science and research to ensure that we continue to benefit from the outputs. The volume draws inspiration from the first "Economics of Big Science" workshop, held in Brussels in 2019 with the aim of creating a new space for dialogue and interaction between representatives of Big Science organizations, policy makers and academia. It aspires to provide useful reading for policy makers, scientists and students of science, who are increasingly called upon to explain the value of fundamental research and adopt the language and logic of economics when engaging in policy discussions.
This book is a rich source of information on design research and solutions for the support and development of space missions. International experiences and researches are presented in order to cast light on the role of space design in improving living and working conditions in outer space and to highlight the particularities of the necessary design skills, taking into account specific requirements and constraints. The challenge facing designers is how to approach environmentally extreme conditions in such a way that they are transformed from limitations into opportunities. The author has herself developed products that have been tested during on-orbit experiments on the International Space Station. Drawing on this unique experience and other case studies, the author proposes a new design methodology for space and demonstrates how the discipline of design is able to generate innovation thanks to the strong capacity of visioning. Ultimately this will lead to the development of further new equipment for astronauts that will facilitate space travel. While the book is intended primarily for students and researchers, it is also of interest for a broad readership attracted by space, innovation, and future scenarios.
This book presents fundamental theories, design and testing methodologies, and engineering applications concerning spacecraft thermal control systems, helping readers gain a comprehensive understanding of spacecraft thermal control systems and technologies. With abundant design methods, advanced technologies and typical applications to help them grasp the basic concepts and principles of engineering applications, it is mainly intended for engineering and technical staff engaged in spacecraft thermal control areas. The book discusses the thermal environments commonly used for space flight missions, rules and regulations for system design, thermal analysis and simulation, and thermal testing methods, as well as the design and validation of the thermal control systems for Chinese spacecraft, such as the Shenzhou spacecraft and Chang'e Lunar Lander and Rover. It also introduces them to communication and remote sensing satellites and presents advanced thermal control technologies developed in recent years, including heat transfer, heat insulation, heating, refrigeration and thermal sensor technologies. Addressing the design and validation of thermal control systems for various types of Chinese spacecraft, the book offers a valuable theoretical and practical reference guide for researchers and engineers alike.
This book explores creative solutions to the unique challenges inherent in crafting livable spaces in extra-terrestrial environments. The goal is to foster a constructive dialogue between the researchers and planners of future (space) habitats. The authors explore the diverse concepts of the term Habitability from the perspectives of the inhabitants as well as the planners and social sciences. The book provides an overview of the evolution and advancements of designed living spaces for manned space craft, as well as analogue research and simulation facilities in extreme environments on Earth. It highlights how various current and future concepts of Habitability have been translated into design and which ones are still missing. The main emphasis of this book is to identify the important factors that will provide for well-being in our future space environments and promote creative solutions to achieving living spaces where humans can thrive. Selected aspects are discussed from a socio-spatial professional background and possible applications are illustrated. Human factors and habitability design are important topics for all working and living spaces. For space exploration, they are vital. While human factors and certain habitability issues have been integrated into the design process of manned spacecraft, there is a crucial need to move from mere survivability to factors that support thriving. As of today, the risk of an incompatible vehicle or habitat design has already been identified by NASA as recognized key risk to human health and performance in space. Habitability and human factors will become even more important determinants for the design of future long-term and commercial space facilities as larger and more diverse groups occupy off-earth habitats. The book will not only benefit individuals and organizations responsible for manned space missions and mission simulators, but also provides relevant information to designers of terrestrial austere environments (e.g., remote operational and research facilities, hospitals, prisons, manufacturing). In addition it presents general insights on the socio-spatial relationship which is of interest to researchers of social sciences, engineers and architects.
This book, edited by the European Space Policy Institute, is the first international publication, following UNISPACE+50, to analyze how space capacity building can empower the international community towards fully accessing all the economic and societal benefits that space assets and data can offer. New innovation models are increasingly spreading across various sectors and disciplines, including space, which is becoming an integral part of many societal activities (e.g. telecoms, weather, climate change and environmental monitoring, civil protection, infrastructures, transportation and navigation, healthcare and education). The book helps readers construct their own space capacity building roadmaps, which take into account key stakeholders and also new private actors, NGOs and civil society. Starting from a policy and strategy perspective, it addresses key aspects of capacity building, including innovation and exploration, global health, climate change and resilient societies. It outlines the available options and summarizes the ideal programmatic conditions for their successful implementation. Showcasing reflections from a range of senior space professionals around the world, with their unique perspectives and solutions, it provides a rich mosaic in which various cultural and policy approaches to space are translated into actionable programs and ideas so that space may truly benefit all of humankind.
The definition of all space systems starts with the establishment of its fundamental parameters: requirements to be fulfilled, overall system and satellite design, analysis and design of the critical elements, developmental approach, cost, and schedule. There are only a few texts covering early design of space systems and none of them has been specifically dedicated to it. Furthermore all existing space engineering books concentrate on analysis. None of them deal with space system synthesis - with the interrelations between all the elements of the space system. Introduction to Space Systems concentrates on understanding the interaction between all the forces, both technical and non-technical, which influence the definition of a space system. This book refers to the entire system: space and ground segments, mission objectives as well as to cost, risk, and mission success probabilities. Introduction to Space Systems is divided into two parts. The first part analyzes the process of space system design in an abstract way. The second part of the book focuses on concrete aspects of the space system design process. It concentrates on interactions between design decisions and uses past design examples to illustrate these interactions. The idea is for the reader to acquire a good insight in what is a good design by analyzing these past designs.
This book presents recent advances in the physics of magnetic reconnection, investigated via both in situ spacecraft observations and fully kinetic numerical simulations. Magnetic reconnection is a fundamental process in plasma physics during which the topological reconfiguration of the magnetic field leads to energy conversion and particle energization. The book focuses on the physics of the electron diffusion region (EDR), a crucial region where the electrons are decoupled from the magnetic field and efficiently accelerated by the electric field. By using recent, high-resolution measurements provided by NASA's Magnetospheric MultiScale Mission (MMS), the book investigates the structure of the EDR at the Earth's magnetopause. The presented analysis provides evidence for an inhomogeneous and patchy EDR structure. The structure of the EDR appears to be more complex than the in laminar picture suggested by previous observations and simulations. Then, electrons dynamics in the EDR is studied using a novel, fully kinetic Eulerian Vlasov-Darwin model that has been implemented in the Vlasov-DArwin numerical code (ViDA), explained in detail in the book. Lastly, the book covers the testing of this new code, and investigates the contributions of the different terms in the generalized Ohm's law within the EDR, highlighting the role of the electron inertia term. |
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