| Simulation of rigidly-linked nanosatellites (2004) | |||||||||||
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| Simulation Rigidly Linked Nanosatellites Arnaud Lecuyota Stephen Hobbsb Ian Honstveta EADS Space Astrium Ltd Stevenage Space Research Centre School Engineering Cranfield University Abstract Rigidly linked nanosatellites are simulated part PhD research new concept space structure Applications include interferometer Earth and Lagrange orbits and Solar concentrator Earth and Moon orbit Simulation methods include link tension derivation based tether dynamics and simple Off constant thrust nanosatellite controller Results show the basic controllability most proposed applications system design level the controller does not provide adequate lifetime its current form but the concept principle feasible Introduction This article reports simulation campaign addressing the dynamics space structures comprised rigidly linked nanosatellites part more wide ranging research applications and design such systems called metastructures concept background and definition summary given below Concept background Structure design for large space systems essentially hoc activity where each solution customised particular problem However when considered from systems engineering point view one can identify classes structures against size and applications the lower end the size range are the traditional rigid deployables designs such the Hubble Space Telescope the other end are virtual formation flying structures the middle are number possible configurations from flexible deployables inflatables called smar. Rigidly linked nanosatellites are simulated as part of a PhD research on a new concept of space structure. Applications include a 1D interferometer in Earth and Lagrange orbits and a 3D Solar concentrator in Earth and Moon orbit. Simulation methods include a link tension derivation based on tether dynamics, and a simple On-Off constant thrust nanosatellite controller. Results show the basic controllability of most proposed applications. At system design level, the controller does not provide adequate lifetime in its current form, but the concept is in principle feasible. | |||||||||||
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