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Pointing a satellite in the right direction requires an extremely complex system - one that describes the satellite's orientation and at the same time predicts and either uses or neutralizes external influences. From its roots in classical mechanics and reliance on stability theory to the evolution of practical stabilization ideas, Spacecraft Attitude Dynamics offers comprehensive coverage of environmental torques encountered in space; energy dissipation and its effects on the attitude stability of spinning bodies; motion equation for four archetypical systems derived and used repeatedly throu
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Here a leading researcher provides a comprehensive treatment of the design of automatic control logic for spacecraft and aircraft. In this book Arthur Bryson describes the linear-quadratic-regulator (LQR) method of feedback control synthesis, which coordinates multiple controls, producing graceful maneuvers comparable to those of an expert pilot. The first half of the work is about attitude control of rigid and flexible spacecraft using momentum wheels, spin, fixed thrusters, and gimbaled engines. Guidance for nearly circular orbits is discussed. The second half is about aircraft attitude and flight path control. This section discusses autopilot designs for cruise, climb-descent, coordinated turns, and automatic landing. One chapter deals with controlling helicopters near hover, and another offers an introduction to the stabilization of aeroelastic instabilities. Throughout the book there is a strong emphasis on the mathematical modeling necessary for designing a good feedback control system. The appendixes summarize analysis of linear dynamic systems, synthesis of analog and digital feedback control, simulation, and modeling of flexible vehicles.
Attitude control systems --- Véhicules spatiaux --- Avions --- Altitude control systems --- Systèmes de commande d'orientation --- Systèmes de commande --- Space vehicles --- Airplanes --- Altitude control systems. --- Control systems --- Systèmes de commande d'orientation. --- Systèmes de commande. --- 681.5 --- Regeltechniek --- Attitude control systems (Astronautics) --- Flight control --- Attitude control systems. --- Control systems. --- Space vehicles - Attitude control systems --- Airplanes - Control systems --- Véhicules spatiaux --- Systèmes de commande d'orientation. --- Systèmes de commande.
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Attitude dynamics is the theoretical basis of attitude control of spacecrafts in aerospace engineering. With the development of nonlinear dynamics, chaos in spacecraft attitude dynamics has drawn great attention since the 1990's. The problem of the predictability and controllability of the chaotic attitude motion of a spacecraft has a practical significance in astronautic science. This book aims to summarize basic concepts, main approaches, and recent progress in this area. It focuses on the research work of the author and other Chinese scientists in this field, providing new methods and viewpoints in the investigation of spacecraft attitude motion, as well as new mathematical models, with definite engineering backgrounds, for further analysis. Professor Yanzhu Liu was the Director of the Institute of Engineering Mechanics, Shanghai Jiao Tong University, China. Dr. Liqun Chen is a Professor at the Department of Mechanics, Shanghai University, China.
Space vehicles -- Control systems. --- Space vehicles --Attitude control systems. --- TECHNOLOGY & ENGINEERING / Aeronautics & Astronautics. --- Mechanical Engineering --- Engineering & Applied Sciences --- Aeronautics Engineering & Astronautics --- Space vehicles --- Astrodynamics. --- Attitude control systems. --- Dynamics. --- Attitude control systems (Astronautics) --- Engineering. --- Mechanics. --- Mechanics, Applied. --- Automotive engineering. --- Aerospace engineering. --- Astronautics. --- Aerospace Technology and Astronautics. --- Automotive Engineering. --- Theoretical and Applied Mechanics. --- Space sciences --- Aeronautics --- Astrodynamics --- Space flight --- Aeronautical engineering --- Astronautics --- Engineering --- Applied mechanics --- Engineering, Mechanical --- Engineering mathematics --- Classical mechanics --- Newtonian mechanics --- Physics --- Dynamics --- Quantum theory --- Construction --- Industrial arts --- Technology --- Astrophysics --- Control systems --- Mechanics, applied.
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