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Integrated GPS/INS navigation system design for autonomous spacecraft rendevousGaylor, David Edward 28 August 2008 (has links)
Not available / text
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Autonomous docking for a satellite pair using monocular visionMienie, Dewald 03 1900 (has links)
Thesis (MEng (Electrical and Electronic Engineering))--University of Stellenbosch, 2009. / Autonomous rendezvouz and docking is seen as an enabling technology. It allows, among
others, the construction of larger space platforms in-orbit and also provides a means for the
in-orbit servicing of space vehicles.
In this thesis a docking sequence is proposed and tested in both simulation and practice.
This therefore also requires the design and construction of a test platform. A model hovercraft
is used to emulate the chaser satellite in a 2-dimensional plane as it moves relatively frictionlessly.
The hovercraft is also equipped with a single camera (monocular vision) that is used as
the main sensor to estimate the target’s pose (relative position and orientation). An imitation
of a target satellite was made and equipped with light markers that are used by the chaser’s
camera sensor.
The position of the target’s lights in the image is used to determine the target’s pose using a
modified version ofMalan’s Extended Kalman Filter [20]. This information is then used during
the docking sequence.
This thesis successfully demonstrated the autonomous and reliable identification of the target’s
lights in the image, and the autonomous docking of a satellite pair using monocular camera
vision in both simulation and emulation.
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