The movement of bodies in space (like spacecraft, satellites, and space stations) must be predicted and controlled with precision in order to ensure safety and efficacy. Kinematics is a field that develops descriptions and predictions of the motion of these bodies in 3D space. This course in Kinematics covers four major topic areas: an introduction to particle kinematics, a deep dive into rigid body kinematics in two parts (starting with classic descriptions of motion using the directional cosine matrix and Euler angles, and concluding with a review of modern descriptors like quaternions and Classical and Modified Rodrigues parameters). The course ends with a look at static attitude determination, using modern algorithms to predict and execute relative orientations of bodies in space.
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Kinematics: Describing the Motions of Spacecraft
This course is part of Spacecraft Dynamics and Control Specialization
Instructor: Hanspeter Schaub
24,987 already enrolled
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(326 reviews)
What you'll learn
Differentiate a vector as seen by another rotating frame and derive frame dependent velocity and acceleration vectors
Apply the Transport Theorem to solve kinematic particle problems and translate between various sets of attitude descriptions
Add and subtract relative attitude descriptions and integrate those descriptions numerically to predict orientations over time
Derive the fundamental attitude coordinate properties of rigid bodies and determine attitude from a series of heading measurements
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There are 4 modules in this course
This module covers particle kinematics. A special emphasis is placed on a frame-independent vectorial notation. The position velocity and acceleration of particles are derived using rotating frames utilizing the transport theorem.
What's included
13 videos3 assignments
This module provides an overview of orientation descriptions of rigid bodies. The 3D heading is here described using either the direction cosine matrix (DCM) or the Euler angle sets. For each set the fundamental attitude addition and subtracts are discussed, as well as the differential kinematic equation which relates coordinate rates to the body angular velocity vector.
What's included
18 videos1 reading10 assignments
This module covers modern attitude coordinate sets including Euler Parameters (quaternions), principal rotation parameters, Classical Rodrigues parameters, modified Rodrigues parameters, as well as stereographic orientation parameters. For each set the concepts of attitude addition and subtraction is developed, as well as mappings to other coordinate sets.
What's included
29 videos18 assignments
This module covers how to take an instantaneous set of observations (sun heading, magnetic field direction, star direction, etc.) and compute a corresponding 3D attitude measure. The attitude determination methods covered include the TRIAD method, Devenport's q-method, QUEST as well as OLAE. The benefits and computation challenges are reviewed for each algorithm.
What's included
13 videos5 assignments1 peer review
Instructor
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Recommended if you're interested in Physics and Astronomy
Georgia Institute of Technology
Rice University
Georgia Institute of Technology
UNSW Sydney (The University of New South Wales)
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