Mass adaptation for moving parts using a magnetically induced placement of a certain amount of magnetorheological fluid

Tim Krüger; Christian Hegger; Valentin Schreiner; Jürgen Maas

doi:10.1117/12.2515492

22 March 2019 Mass adaptation for moving parts using a magnetically induced placement of a certain amount of magnetorheological fluid

Tim Krüger, Christian Hegger, Valentin Schreiner, Jürgen Maas

Author Affiliations +

Proceedings Volume 10967, Active and Passive Smart Structures and Integrated Systems XIII; 109671X (2019) https://doi.org/10.1117/12.2515492
Event: SPIE Smart Structures + Nondestructive Evaluation, 2019, Denver, Colorado, United States

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.

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Tim Krüger, Christian Hegger, Valentin Schreiner, and Jürgen Maas "Mass adaptation for moving parts using a magnetically induced placement of a certain amount of magnetorheological fluid", Proc. SPIE 10967, Active and Passive Smart Structures and Integrated Systems XIII, 109671X (22 March 2019); https://doi.org/10.1117/12.2515492

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