Small-scale magnetorheological dampers for vibration mitigation ...
Small-scale magnetorheological dampers for vibration mitigation ...
Small-scale magnetorheological dampers for vibration mitigation ...
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<strong>Small</strong>-<strong>scale</strong> technical data<br />
Introduction<br />
Hysteretic models<br />
Identification methodology<br />
Future work<br />
Experimental identification<br />
Summary<br />
Technical data of the small-<strong>scale</strong> MR friction<br />
controllable damper<br />
LORD Corp.<br />
Stroke = 58 mm, Weight = 0.48 Kg, Input<br />
current = 0.5 A (continuous) and = 1 A<br />
(intermittent), Resistance (ambient temp.)<br />
= 20Ω<br />
Operating temperature = 70 C<br />
Damper <strong>for</strong>ces (peak-to-peak) = 100 N (5<br />
cm/sec @ 1 A) and = 2 N (20 cm/sec @ 0 A)<br />
Disadvantage → do not apply more than 0.5 A<br />
<strong>for</strong> longer than 30 sec at a time, or heat buildup<br />
may melt the plastic shaft.<br />
Wonder Box → device to control the MR<br />
damper. Power supply = 12 V DC and 2 A DC,<br />
the PC voltage signal is from 0 to 5 V DC, and<br />
the output current is from 0 to 2 A DC.<br />
Return<br />
Arturo Rodríguez Tsouroukdissian<br />
<strong>Small</strong>-<strong>scale</strong> MR <strong>dampers</strong> <strong>for</strong> <strong>vibration</strong> <strong>mitigation</strong>