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Proceedings Paper

Design method of spring accumulator of single-ended MR dampers
Author(s): Xinchun Guan; Yonghu Huang; Shaohua Hu; Jinping Ou
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Paper 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 pulled out and back into 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 pseudoelastic character of shape memory alloy (SMA), a SMA spring accumulator is proposed and its design method is given as well.

Paper Details

Date Published: 20 October 2009
PDF: 7 pages
Proc. SPIE 7493, Second International Conference on Smart Materials and Nanotechnology in Engineering, 74930X (20 October 2009); doi: 10.1117/12.845655
Show Author Affiliations
Xinchun Guan, Harbin Institute of Technology (China)
Yonghu Huang, Harbin Institute of Technology (China)
Shaohua Hu, Harbin Institute of Technology (China)
Jinping Ou, Harbin Institute of Technology (China)
Dalian Univ. of Technology (China)

Published in SPIE Proceedings Vol. 7493:
Second International Conference on Smart Materials and Nanotechnology in Engineering
Jinsong Leng; Anand K. Asundi; Wolfgang Ecke, Editor(s)

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