The future role of relay satellites for orbital telerobotics |
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Authors: | Enrico Stoll Jürgen Letschnik Markus Wilde Alvar Saenz-Otero Renuganth Varatharajoo Jordi Artigas |
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Institution: | 1. Massachusetts Institute of Technology, Space Systems Laboratory, 02139 Cambridge, MA, USA;2. LSE Space GmbH, 82234 Wessling, Germany;3. Institute of Astronautics, Technische Universität München, 85748 Garching, Germany;4. Department of Aerospace Engineering, University Putra Malaysia, 43400 Selangor, Malaysia;5. Institute of Robotics and Mechatronics, German Aerospace Center (DLR), 82234 Oberpfaffenhofen, Germany |
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Abstract: | Orbital robotics focuses on a variety of applications, as e.g. inspection and repair activities, spacecraft construction or orbit corrections. On-Orbit Servicing (OOS) activities have to be closely monitored by operators on ground. A direct contact to the spacecraft in Low Earth Orbit (LEO) is limiting the operational time of the robotic application. Therefore, geostationary satellites are desirable to relay the OOS signals and extend the servicing time window. A geostationary satellite in the communication chain not only introduces additional boundary conditions to the mission but also increases the time delay in the system. The latter is not very critical if the servicer satellite is operating autonomously. However, if the servicer is operating in a supervised control regime with a human in the loop, the increased time delay will have an impact on the operator’s task performance. |
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Keywords: | Orbital robotics On-Orbit Servicing Relay satellite Human&ndash machine interaction Teleoperation |
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