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Attitude Determination and Control System for Satellites in Elliptical Orbits - a Complete Solution
(Peer reviewed; Bokkapittel; Konferansebidrag; Conference object; Chapter, 2017-08-08)
This paper presents a complete solution to the problem of attitude determination and control for satellites in elliptical orbits. Specifically, it shows how to create the orbital mechanics, account for perturbing gravity torques, create a nonlinear PD+ attitude controller, map the control signal to desired thrust firings, implement magnetic field and Sun vector models, and how to implement a Madgwick ...
Autonomous Inspection of the International Space Station
(Peer reviewed; Konferansebidrag; Bokkapittel; Conference object; Chapter, 2017-09-18)
This paper presents a solution to autonomous inspection of the international space station using a rigid spacecraft. Specifically, the paper presents the orbital mechanics, formation dynamics as well as rotational dynamics required to control the spacecraft relative to the space station, and then presents two PD+ controllers enabling a spacecraft to track a series of waypoints while pointing a sensor ...