As they tumble through space, objects like spacecraft move in dynamical ways. Understanding and predicting the equations that represent that motion is critical to the safety and efficacy of spacecraft mission development. Kinetics: Modeling the Motions of Spacecraft trains your skills in topics like rigid body angular momentum and kinetic energy expression shown in a coordinate frame agnostic manner, single and dual rigid body systems tumbling without the forces of external torque, how differential gravity across a rigid body is approximated to the first order to study disturbances in both the attitude and orbital motion, and how these systems change when general momentum exchange devices are introduced.
Этот курс входит в специализацию ''Специализация Spacecraft Dynamics and Control'
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Специализация Spacecraft Dynamics and ControlКолорадский университет в БоулдереОб этом курсе
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Прибл. 21 час на выполнение
Английский
Субтитры: Французский, Португальский (Европа), Русский, Английский, Испанский
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Курс 2 из 4 в программе
Продвинутый уровень
Прибл. 21 час на выполнение
Английский
Субтитры: Французский, Португальский (Европа), Русский, Английский, Испанский
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Колорадский университет в Боулдере
CU-Boulder is a dynamic community of scholars and learners on one of the most spectacular college campuses in the country. As one of 34 U.S. public institutions in the prestigious Association of American Universities (AAU), we have a proud tradition of academic excellence, with five Nobel laureates and more than 50 members of prestigious academic academies.
Программа курса: что вы изучите
6 ч. на завершение
Continuous Systems and Rigid Bodies
The dynamical equations of motion are developed using classical Eulerian and Newtonian mechanics. Emphasis is placed on rigid body angular momentum and kinetic energy expression that are shown in a coordinate frame agnostic manner. The development begins with deformable shapes (continuous systems) which are then frozen into rigid objects, and the associated equations are thus simplified.
6 ч. на завершение
19 видео ((всего 158 мин.))
7 ч. на завершение
Torque Free Motion
The motion of a single or dual rigid body system is explored when no external torques are acting on it. Large scale tumbling motions are studied through polhode plots, while analytical rate solutions are explored for axi-symmetric and general spacecraft shapes. Finally, the dual-spinner dynamical system illustrates how the associated gyroscopics can be exploited to stabilize any principal axis spin.
7 ч. на завершение
17 видео ((всего 166 мин.))
2 ч. на завершение
Gravity Gradients
The differential gravity across a rigid body is approximated to the first order to study how it disturbs both the attitude and orbital motion. The gravity gradient relative equilibria conditions are derived, whose stability is analyzed through linearization.
2 ч. на завершение
7 видео ((всего 77 мин.))
6 ч. на завершение
Equations of Motion with Momentum Exchange Devices
The equations of motion of a rigid body are developed with general momentum exchange devices included. The development begins with looking at variable speed control moment gyros (VSCMG), which are then specialized to classical single-gimbal control moment devices (CMGs) and reaction wheels (RW).
6 ч. на завершение
7 видео ((всего 95 мин.))
Рецензии
- 5 stars83,62 %
- 4 stars14,65 %
- 3 stars1,72 %
Лучшие отзывы о курсе KINETICS: STUDYING SPACECRAFT MOTION
от партнера O17 мая 2021 г.
It's a well taught course that would otherwise have proved much more difficult.
от партнера RP24 авг. 2021 г.
Good course. Buying the book by Prof. Schaub will help you a lot in succeeding in this course.
от партнера NB25 февр. 2019 г.
excellent course content with knowledgeable professor. Challenging to learn and focused on both analytical theory and practical example.
от партнера H20 июля 2020 г.
It's hard, but you learn a lot. Mr Schaub is great teacher.
Специализация Spacecraft Dynamics and Control: общие сведения
Spacecraft Dynamics and Control covers three core topic areas: the description of the motion and rates of motion of rigid bodies (Kinematics), developing the equations of motion that prediction the movement of rigid bodies taking into account mass, torque, and inertia (Kinetics), and finally non-linear controls to program specific orientations and achieve precise aiming goals in three-dimensional space (Control). The specialization invites learners to develop competency in these three areas through targeted content delivery, continuous concept reinforcement, and project applications.
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