Demonstration of Technologies for Autonomous Micro-Satellite Assembly

Next generation space structures need on-orbit assembly due to volume limitations on launch vehicles. Many assembly strategies exist; one such is the notion of autonomous Micro-satellites used to grab, transport, and a ssemble individual structures. The University of Southern California’s (USC) new Micro-satellite Dynamic Test Facility (MDTF) is demonstrating full scale assembly techniques using independent and autonomous microsatellite prototypes with five fo ot passive beams. All testing is performed on a frictionless 3DOF hyper flat surface platen, with both inertial and relative positioning systems. The micro-satellites are independent spacecraft prototypes capable of attitude control that provide a test bed for space based operations. Designed to reduce cost and maximize simplicity, micro-satellites have been used to test spacecraft maneuvers at the MDTF. Their wireless communication ability has been used to produce teams for formation flying or collaborative operations. USC’s current research focused upon the technologies necessary for one element of autonomous assembly is showcased here with beam assembly.

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