Investigation of phase transition-based tethered systems for small body sample capture |
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| Authors: | Marco B Quadrelli Paul Backes W Keats Wilkie Lou Giersch Ubaldo Quijano Jason Keim Daniel Scharf Rudranarayan Mukherjee S Case Bradford Michael McKee |
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| Institution: | 1. Dipartimento di Informatica, Sistemi e Produzione, Università degli Studi di Roma “Tor Vergata”, Via del Politecnico 1, 00133 Roma, Italy;2. CNRS, LAAS, 7 avenue du Colonel Roche, F-31400 Toulouse, France;3. Univ de Toulouse, LAAS, F-31400 Toulouse, France;4. Control and Instrumentation Research Group, University of Leicester, Department of Engineering, University Road, Leicester, LE1 7RH, UK;1. Dorodnicyn Computing Center of the Russian Academy of Sciences & Higher School of Economics, Russian Federation;2. Moscow State Technical University of Radio Engineering, Electronics, and Automation, Russian Federation;1. Institute of Aerospace Science and Engineering, National University of Defense Technology, Changsha 410073, PR China;2. School of Aerospace, Tsinghua University, Beijing 100084, PR China;1. School of Engineering and Materials Science, Queen Mary University of London, London E1 4NS UK;2. School of Mechanical Engineering, Tel Aviv University, Tel-Aviv 69978, Israel |
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| Abstract: | This paper summarizes the modeling, simulation, and testing work related to the development of technology to investigate the potential that shape memory actuation has to provide mechanically simple and affordable solutions for delivering assets to a surface and for sample capture and possible return to Earth. We investigate the structural dynamics and controllability aspects of an adaptive beam carrying an end-effector which, by changing material equilibrium phases, is able to actively decouple the end-effector dynamics from the spacecraft dynamics during the surface contact phase. Asset delivery and sample capture and return are at the heart of several emerging potential missions to small bodies, such as asteroids and comets, and to the surface of large bodies, such as Titan. |
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