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There are 4 modules in this course
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.
After this course, you will be able to...
* 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
The material covered is taking from the book "Analytical Mechanics of Space Systems" available at https://arc.aiaa.org/doi/book/10.2514/4.105210.
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.
Optional Review: Time Derivatives of Vectors, Matrix Representations of Vector•2 minutes
1 reading•Total 1 minute
Course Updates and Accessibility Support•1 minute
3 assignments•Total 125 minutes
Concept Check 1 - Particle Kinematics and Vector Frames•30 minutes
Concept Check 2 - Angular Velocities•30 minutes
Concept Check 3 - Vector Differentiation and the Transport Theorem•65 minutes
Rigid Body Kinematics I
Module 2•9 hours to complete
Module details
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
Show info about module content
18 videos•Total 210 minutes
Module Two: Rigid Body Kinematics Part 1 Introduction•1 minute
1: Introduction to Rigid Body Kinematics•19 minutes
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
Show info about module content
29 videos•Total 251 minutes
Module Three: Rigid Body Kinematics Part 2 Introduction•1 minute
1: Principal Rotation Parameter Definition•10 minutes
2: PRV Relation to DCM•18 minutes
3: PRV Properties•6 minutes
Optional Review: Principal Rotation Parameters•7 minutes
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.
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S
SM
5·
Reviewed on Oct 18, 2017
Brilliant classes! Absolutely brilliant, enjoyed every bit of it. All you need is that you should love Physics and Maths to attend these classes. If you do, it is an enriching experience for you.
D
DM
5·
Reviewed on Nov 9, 2021
Great professor, and the content is interesting. The assignments where you had to write your own code to determine the spacecraft attitudes were very useful for applying what you had learnt.
D
DA
5·
Reviewed on Jun 14, 2020
one of the best course i have learn from online which enhance my knowledge and skill in particular field.
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