Space Systems Group (SSG)
- During the past decade, multi-robot cooperation has become an active area of research due to its potential to provide a significant impact on system automation and robotics. Specifically, the challenge of the multi-robot cooperative research program is to develop enabling technologies that allow robots to work together in an intelligent (and autonomous) manner to execute a global task. The Space Systems Research Group (SSG) is investigating issues related to multi-robot cooperation, specifically as it applies to spacecraft. Our more recent investigations are associated with the dynamics and control of a flying formation of satellites which may be used for either remote sensing or deep space applications.
- Our work consists of both theoretical research and applied technology. Our theoretical work includes proximity operations between spacecraft. Developing improved relative motion models is necessary for spacecraft services such as inspection, interception, rendezvous, and docking. In addition the post docking scenario, where one satellite is controlling the motion of a second is under examination to study the interaction forces and expended actuation required. Constellation design and earth sensing missions are additional recipients of our efforts.
- Our efforts in applied technology include a control moment gyro (CMG) based attitude control system (ACS) for small satellites, with an accompanying testbed. The ACS is being developed to provide high torque actuation with precision pointing. The testbed contains a motion capture system used to evaluate control algorithms developed for the ACS. The university's small satellite design club (SSDC) is devoted to a cubesat mission which is managed by SSG.
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