Design method of spring accumulator of single-ended MR Dampers

Xinchun Guana;Yonghu Huanga;Shaohua Hua;Jinping Ou a;b;

Journal of Vibration and Shock ›› 2011, Vol. 30 ›› Issue (2) : 130-133.

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Journal of Vibration and Shock ›› 2011, Vol. 30 ›› Issue (2) : 130-133.
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Design method of spring accumulator of single-ended MR Dampers

  • Xinchun Guana;Yonghu Huanga;Shaohua Hua;Jinping Ou a, b,

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Abstract

ABSTRACT
Compared to the double ended magnetorheological (MR) dampers, single-ended MR dampers are more suitable in
limited-space required fields for their larger strokes. An accumulator is needed for a single-ended MR damper to balance the
volume changes as the piston pushed out and into of the cylinder. Since an accumulator has a great influence on the damper's
performances, this influence should be taken into account in the damper's designing procedure. In this paper, damping force
formula is deduced for the single-ended MR damper with spring accumulator. Then both the method of determination main
parameters of regular spring accumulator and its inherent drawbacks are presented. Finally, by utilizing the super elastic
character of shape memory alloy (SMA), a SMA spring accumulator is proposed and its design method is given as well.

Key words

Magnetorheological damper / single-ended / spring accumulator / super elastic shape memory alloy spring

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Xinchun Guana;Yonghu Huanga;Shaohua Hua;Jinping Ou a;b;. Design method of spring accumulator of single-ended MR Dampers[J]. Journal of Vibration and Shock, 2011, 30(2): 130-133
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