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Keywords: fatigue
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Proceedings Papers

Proc. ASME. SMASIS2020, ASME 2020 Conference on Smart Materials, Adaptive Structures and Intelligent Systems, V001T04A015, September 15, 2020
Paper No: SMASIS2020-2260
... generations of an intelligent redundant spacecraft actuator were assembled. Evaluating the intrinsic effect of SMA-wires, it was possible to detect signs of fatigue in the material and realize preventive maintenance. Beside a description of the manufacturing steps of both generations, the test results...
Proceedings Papers

Proc. ASME. SMASIS2019, ASME 2019 Conference on Smart Materials, Adaptive Structures and Intelligent Systems, V001T02A002, September 9–11, 2019
Paper No: SMASIS2019-5503
... the functional and structural fatigue, are presented in detail. actuator fatigue feedback control position determination thermal influence vacuum FEEDBACK CONTROL OF SMA-WIRES FOR POSITION DETERMINATION: A COMPARISON OF THE BEHAVIOR UNDER VACUUM AND STANDARD CONDITIONS Robin Roj1, Peter Dültgen...
Proceedings Papers

Proc. ASME. SMASIS2013, Volume 2: Mechanics and Behavior of Active Materials; Structural Health Monitoring; Bioinspired Smart Materials and Systems; Energy Harvesting, V002T02A024, September 16–18, 2013
Paper No: SMASIS2013-3337
... we study the effect of a mismatch in length between two SMA wires in parallel. We perform a series of fatigue experiments to show that mismatch of up to 0.75%, at the chosen set of conditions, has no measurable effect on cycle life. We also perform a series of simulations to show how the mechanical...