Attitude Determination and Control System Design for a 6U CubeSat for Proximity Operations and Rendezvous

Abstract

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A Variable Sampling-Time Method for Elliptical Orbit Motion Prediction in Nanosatellites

“…However, if higher accuracies are required, it would be necessary to increase the set of rules and this will affect the computational complexity. On the other hand, PD and PID controllers are frequently cited in the literature [3][4][5] since they have high stability and fast response time. The PD and PID controllers alone can reach an accuracy up to 10 -2 degrees.…”

Autonomous Rendezvous and Docking of Two 3U Cubesats Using a Novel Permanent-Magnet Docking Mechanism

“…In the aerospace industry, there has been increasing interest in low-budget space missions involving CubeSats. [1][2][3][4][5] Assembly of multiple CubeSats in space into large structures such as a space telescope or solar panels could be tremendously beneficial for the science and engineering communities. Several research groups [6][7][8][9] are currently tackling the challenges associated with autonomous rendezvous and docking of small scaled spacecraft on orbit.…”

3CAT-2: Attitude Determination and Control System for a GNSS-R Earth Observation 6U CubeSat Mission

“…where ρ is the local atmospheric density, v r is the spacecraft relative velocity with respect to the atmosphere,  n is the unit normal vector of each surface of the spacecraft, S is the area of each surface, and C D is the drag coefficient, assumed 2.2 for this application [Franquiz et al, 2014]. In order to model the aerodynamic torque, the satellite is divided into 6 surfaces and the center of pressure (the point where F aero is acting) is assumed at the center of each surface.…”