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Bo Su and Qingrui Zhou
In recent years, with the reduction of the cost of microsatellites, the development of commercial rockets and the multi-satellite launching technology, the construction of large-scale constellations in low-Earth orbit (Mega-Constellations) has become a d...
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Maeve Doyle, Rachel Dunwoody, Gabriel Finneran, David Murphy, Jack Reilly, Joseph Thompson, Sai Krishna Reddy Akarapu, Joseph Mangan, Sarah Walsh, Jessica Erkal, Fergal Marshall, Lána Salmon, Eoghan Somers, Lily Ha, David Palma, Antonio Martin-Carrillo, Sheila McBreen, David McKeown, William O?Connor, Brian Shortt, Alexey Uliyanov, Ronan Wall and Lorraine HanlonaddShow full author listremoveHide full author list
The compact, standardised form factor of CubeSats allows for the use of commercial off-the-shelf components, reducing traditional barriers to entry, such as cost and development time. More than 1500 of these small spacecraft have been launched in the pas...
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Charalampos Papakonstantinou, Georgios Moraitis, Vaios Lappas and Vassilis Kostopoulos
In this paper, a low-cost, miniature spacecraft attitude control simulator is presented for testing miniature actuators such as Nano Control Moment Gyroscopes (CMGs) for simple maneuvers. The experimental setup is composed by an attitude control system (...
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Laura Azevedo, Steven Meyers, Andrey Pleskachevsky, Henrique P. P. Pereira and Mark Luther
Rogue waves are a recognized but not fully comprehended hazard of major concern to the maritime industry. There is not one agreed-upon unified model that explains the formation of such waves and little is known about their frequency of occurrence. This s...
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Charalampos Papakonstantinou, Vaios Lappas and Vassilis Kostopoulos
This paper addresses the problem of singularity avoidance in a cluster of four Single-Gimbal Control Moment Gyroscopes (SGCMGs) in a pyramid configuration when used for the attitude control of a satellite by introducing a new gimballed control moment gyr...
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