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Spacecraft Relative Motion Control

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Spacecraft Relative Motion Control

This course is part of Spacecraft Formation Relative Orbits Specialization

Instructor: Hanspeter Schaub

Included with

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2 modules

Gain insight into a topic and learn the fundamentals.

Advanced level

Designed for those already in the industry

2 weeks to complete

at 10 hours a week

Flexible schedule

Learn at your own pace

2 modules

Gain insight into a topic and learn the fundamentals.

Advanced level

Designed for those already in the industry

2 weeks to complete

at 10 hours a week

Flexible schedule

Learn at your own pace

What you'll learn

numerically simulate spacecraft relative motion
Analyze relative motion stability
Develop relative motion feedback control solutions

Skills you'll gain

Details to know

Shareable certificate

Add to your LinkedIn profile

Assessments

27 assignments

Taught in English

91%

of learners achieved a positive career outcome

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This course is part of the Spacecraft Formation Relative Orbits Specialization

When you enroll in this course, you'll also be enrolled in this Specialization.

Learn new concepts from industry experts
Gain a foundational understanding of a subject or tool
Develop job-relevant skills with hands-on projects
Earn a shareable career certificate

There are 2 modules in this course

Spacecraft relative motion control solutions stabilize the spacecraft relative to another spacecraft. This is useful control the approach prior to docking, to circumnavigate while inspect the target object, or to remain in a bounded vicinity about the target. This course covers the basics of nonlinear control theory to apply Lyapunov's direct method to the relative motion control problem. Feedback control strategies using inertial coordinates, differential orbit elements and Hill frame coordinates are studied. Reference relative motions are considered that are either naturally occurring or require a feed-forward control component.

After this course, you will be able to... * Develop nonlinear relative motion control strategies * Discuss the stability guarantees of these control solutions * Numerically simulate the relative motion control solutions * Create reference motions that are natural and don't require control effort when the tracking errors have converged * Study the impact of uncertain dynamics and control errors. Please note: this is an advanced course, best suited for working engineers or students with college-level knowledge in mathematics and physics. 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.

Module details

The basics of nonlinear stability of dynamical systems is reviewed. A range of stability definitions are reviewed. The general methodology to develop feedback controls using Lyapunov's princple is presented.