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Mass adaptation for moving parts using a magnetically induced placement of a certain amount of magnetorheological fluid
Author(s): Tim Krüger; Christian Hegger; Valentin Schreiner; Jürgen Maas
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Paper Abstract

In this contribution a study is carried out for a defined variation of a moving mass based on magnetorheological fluids (MRF). Magnetorheological fluids consist out of a carrier fluid (synthetic-oil) with suspended carbonyl iron powder particles and additives. By magnetically induced volume forces the MRF can be controlled, moved, spatially placed and safely attached at moving parts in order to increase the moving mass on the hand. On the other hand it can be removed and placed in a resting position, like at a housing for example. Among other application this can be utilized in order to change the eigenfrequency of oscillating systems. After introducing appropriate concepts a simulation-based development of a demonstrating prototype for the movement of the MRF will be shown, considering certain designs of magnetic circuits consisting out of permanent magnets and electromagnets on the mover and on the stator. The magnetic designs allows the realization and by this the investigation of the before mentioned behaviors. For the determination of the movement of the MRF multiphysical simulations are carried out. In addition, the developed design is realized to investigate the approach experimentally, too.

Paper Details

Date Published: 22 March 2019
PDF: 8 pages
Proc. SPIE 10967, Active and Passive Smart Structures and Integrated Systems XII, 109671X (22 March 2019); doi: 10.1117/12.2515492
Show Author Affiliations
Tim Krüger, Technische Univ. Berlin (Germany)
Christian Hegger, Technische Univ. Berlin (Germany)
Valentin Schreiner, Technische Univ. Berlin (Germany)
Jürgen Maas, Technische Univ. Berlin (Germany)


Published in SPIE Proceedings Vol. 10967:
Active and Passive Smart Structures and Integrated Systems XII
Alper Erturk, Editor(s)

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