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Modeling the magnetic properties and dynamic behaviour of MRF-valves in flow mode

: Steck, A.

Borgmann, H.:
Actuator 2002 : 8th International Conference on New Actuators & 2nd International Exhibition on Smart Actuators and Drive Systems, 10-12 June 2002, Bremen, Germany
Bremen, 2002
ISBN: 3-933339-04-9
International Conference on New Actuators <8, 2002, Bremen>
International Exhibition on Smart Actuators and Drive Systems <2, 2002, Bremen>
Conference Paper
Fraunhofer IPA ()
Elektrorheologische Flüssigkeit; Magnetorheologische Flüssigkeit; Aktor; Modell; simulation

In comparison with electro-rheological fluids (ERF), magneto-rheological fluids (MRF) possess advantages as far as performance and utility characteristics are concerned. They are utilized in semi-active shock absorbers and axially symmetrical valves. Their disadvantage and a main obstacle in their application is in the creation and dimensioning of the magnetic field and its influence on dynamics. Together with calculation fundamentals, this paper will describe a procedure for the static and dynamic design of MRF valves. The model presented is suitable for simulating the non-linear properties and the dynamics of MRF valves in hydrostatic drives.