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Dynamics of Rotating Systems goes beyond what is usually referred to as rotordynamics. The aim is to deal with the dynamic behavior of systems having in common the feature of rotating. This definition includes systems like transmission shafts, turbine rotors and gyroscopes, which are studied by rotordynamics, but also systems such as rotating blades (i.e. helicopter rotors) or flexible spinning spacecraft. While rotordynamics deals usually only with the lateral behavior of rotors, here some mention is made also to torsional and axial vibration or to cases in which it is impossible to distinguish between them. This book is structured in two parts: the first introduces classical or basic rotordynamics. The basic assumptions are linearity, steady state operation, and at least some degree of axial symmetry. The second part discusses advanced rotordynamics. More detailed models are covered for rotors departing from the classic configurations studied in rotordynamics. The contents of the second part are more research topics than consolidated applications. Dynamics of Rotating Systems is the result of the author’s almost thirty years of work in the field of rotordynamics. This includes research, teaching, writing computer codes and consulting. It is the outcome of an interdisciplinary research team led by the author, which operated, and still operates, in the Mechanics Department and in the Interdepartmental Mechatronics Laboratory of Politecnico di Torino. About the author: Giancarlo Genta is a professor in the Mechanics Department at Politecnico di Torino, in Turin, Italy. He is a corresponding member of the International Academy of Astronautics and the Academy of Sciences in Turin. He is the author of more than 250 scientific papers published on journals or presented to conferences, of several research books and of a popular science book on space exploration.
Rotors --- Dynamics. --- Dynamics --- Mechanical engineering. --- Vibration. --- Civil engineering. --- Mechanical Engineering. --- Vibration, Dynamical Systems, Control. --- Civil Engineering. --- Engineering --- Public works --- Cycles --- Mechanics --- Sound --- Engineering, Mechanical --- Machinery --- Steam engineering --- Dynamical systems. --- Dynamical systems --- Kinetics --- Mathematics --- Mechanics, Analytic --- Force and energy --- Physics --- Statics
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XI ACKNOWLEDGMENTS xiii INTRODUCTION XV CHAPTER 1: THE HISTORICAL AND PHILOSOPHICAL PERSPECTIVES 1 The Magical Vision of the Nonhuman 1 Ancient Philosophy 2 Medieval Philosophy 6 The Renaissance 8 The Birth of Modern Science 10 First Attempts at Contact 16 Cosmism 17 From Enthusiasm to Disenchantment 18 CHAPTER 2: THE RELIGIOUS PERSPECTIVE 23 Is Extraterrestrial Life a Threat to Religion? 23 A Finite Universe and an Infinite God 25 Hinduism, Buddhism, and Other Oriental Religions 26 Judaism 27 Islam 28 Christianity 29 The Problem of Original Sin 30 The Problem of Redemption 34 Biocosmic Theology 36 Vll Contents CHAPTER 3: THE ASTROBIOLOGICAL PERSPECTIVE 41 A New Science: Astrobiology 41 Times of the Universe 43 The Anthropic Principle 47 Chemical Evolution 50 The Formation of the Solar System 51 The Formation of Extrasolar Planets 57 The Birth of Life on Earth 64 Panspermia 73 Evolution and Creationism 76 Toward a Great Complexity 81 Catastrophes and Mass Extinctions 86 Conditions Needed for the Development of Life 96 Life on Mars 107 Life in the Solar System 117 The Search for Life Outside the Solar System 123 CHAPTER 4: THE SEARCH FOR EXTRATERRESTRIAL INTELLIGENCE 129 Intelligence and Consciousness 129 Consciousness 133 The Development of Intelligence on Earth 137 From Intelligence to Technology 147 Evolution Beyond Humans 154 The Expansion of Intelligent Life 156 The Search for Intelligent Signals 164 The Pdo Scale 176 The Problem of the Answer 177 The San Marino Scale 180 Which Message? 182 Extraterrestrials, How? 187.
Life on other planets. --- Extraterrestrial life --- Planets --- Fermi's paradox --- Astronomy. --- Astrobiology. --- Astrophysics. --- Popular Science in Astronomy. --- Astronomy, Observations and Techniques. --- Space Sciences (including Extraterrestrial Physics, Space Exploration and Astronautics). --- Astronomical physics --- Astronomy --- Cosmic physics --- Physics --- Astrobiology --- Biology --- Habitable planets --- Life --- Origin --- Observations, Astronomical. --- Astronomy—Observations. --- Space sciences. --- Science and space --- Space research --- Cosmology --- Science --- Astronomical observations --- Observations, Astronomical
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Based on lecture notes on a space robotics course, this book offers a pedagogical introduction to the mechanics of space robots. After presenting an overview of the environments and conditions space robots have to work in, the author discusses a variety of manipulatory devices robots may use to perform their tasks. This is followed by a discussion of robot mobility in these environments and the various technical approaches. The last two chapters are dedicated to actuators, sensors and power systems used in space robots. This book fills a gap in the space technology literature and will be useful for students and for those who have an interest in the broad and highly interdisciplinary field of space robotics, and in particular in its mechanical aspects.
Robots -- Design and construction. --- Space environment. --- Space robotics. --- Space robotics --- Robots --- Space environment --- Mechanical Engineering --- Astronomy & Astrophysics --- Engineering & Applied Sciences --- Physical Sciences & Mathematics --- Astronomy - General --- Aeronautics Engineering & Astronautics --- Astrophysics --- Design and construction --- Astronautics --- Robot applications --- Physics. --- Astronomy. --- Astrophysics. --- Cosmology. --- Aerospace engineering. --- Astronautics. --- Control engineering. --- Robotics. --- Mechatronics. --- Astronomy, Astrophysics and Cosmology. --- Aerospace Technology and Astronautics. --- Control, Robotics, Mechatronics. --- Robotics --- Space sciences --- Aeronautics --- Astrodynamics --- Space flight --- Space vehicles --- Mechanical engineering --- Microelectronics --- Microelectromechanical systems --- Automation --- Machine theory --- Control engineering --- Control equipment --- Control theory --- Engineering instruments --- Programmable controllers --- Aeronautical engineering --- Engineering --- Astronomical physics --- Astronomy --- Cosmic physics --- Physics
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The book starts with an historical overview of road vehicles. The first part deals with the forces exchanged between the vehicle and the road and the vehicle and the air with the aim of supplying the physical facts and the relevant mathematical models about the forces which dominate the dynamics of the vehicle. The second part deals with the dynamic behaviour of the vehicle in normal driving conditions with some extensions towards conditions encountered in high-speed racing driving.
Motorcars engineering --- auto's --- 629.01 --- -Motor vehicles --- -Automotive vehicles --- Vehicle design principles: characteristics, capabilities, tests --- -Computer simulation --- -Vehicle design principles: characteristics, capabilities, tests --- 629.01 Vehicle design principles: characteristics, capabilities, tests --- -629.01 Vehicle design principles: characteristics, capabilities, tests --- Automotive vehicles --- Motor vehicles --- Transportation, Automotive --- Vehicles --- Dynamics&delete& --- Computer simulation --- Mathematical models --- Dynamics --- ophanging (autotechnologie) --- aerodynamica --- Motor vehicles - Dynamics - Mathematical models --- Motor vehicles - Dynamics - Computer simulation
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