A new concept for magneto-rheological mounts was presented, including an MR valve into a conventional fluid mount. The valve uses the unique features of MR fluids to open or close the inertia track between the fluid cavities of the mount. It was shown that such switching of the inertia track virtually eliminates the large increase in transmissibility in frequencies beyond the notch frequency. The large increase in transmissibility, which exists for conventional fluid mounts, significantly decreases the mount effectiveness at the higher frequencies. Through numerical simulation and mathematical analysis of the dynamic equations of the mount, the frequencies at which the mount must switch from one valve configuration to another were derived. A simple control scheme for implementing the switching policies in practice was suggested. The switching policy depends on the disturbance and the switching frequencies that are estimated based on the mount parameters.
On the design and development of a magneto-rheological mount
Entwicklung eines magnetorheologischen Lagers
1998
6 Seiten, 8 Bilder, 1 Tabelle, 15 Quellen
Conference paper
English
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