Novel Hybrid Magnetorheological Damper
T. Gerlach, A. Ruß, H. Böse
Fraunhofer ISC, Würzburg, Germany
A novel magnetorheological (MR) damper with a hybrid working mechanism has been developed. In contrast to the common MR dampers, in which the MR fluid itself causes the variable damping force, the MR fluid in the hybrid MR damper serves as a control medium which influences the opening width of a hydraulic valve. Here, the damping force is generated by a passive hydraulic medium flowing through the valve. This mechanism leads to damping characteristics which are very different from those of common MR dampers. In experiments performed with the hybrid MR damper, damping forces at different positions of the hydraulic valve were measured. Damping forces were also calculated and agree well with the experimental data. The mechanism of the hybrid MR damper as well as the results of calculated and measured damping forces are described in the paper.
ACTUATOR 2014 Manuscript A2.2
Publication date: 08/04/2015
Manuscript A2.2 published in Conference Proceedings ACTUATOR 2014
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