Publication detail

Design of a frictionless magnetorheological damper with a high dynamic force range

MACHÁČEK, O. KUBÍK, M. STRECKER, Z. ROUPEC, J. MAZŮREK, I.

Original Title

Design of a frictionless magnetorheological damper with a high dynamic force range

Type

journal article in Web of Science

Language

English

Original Abstract

This article discusses an increase in dynamic force range in a spring-damper unit achieved by elimination of sealings´ friction. This friction is a part of damping force that cannot be controlled; therefore, it is undesirable in magnetorheological dampers. A new design of a magnetrheological damper with no friction force is descrbed and compared with a traditional magnetorheological damper consisting of a piston and piston rod seals. In the traditional design, fluid is forced to flow by a hydraulic cylinder with high friction caused by sealings. In order to eliminate this friction, a frictionless unit made of metal bellows was designed. Elastic metal bellows can be sealed only by static seals. The measurement of force-velocity dependency was carried out for the original and the new damper with the same magnetorheological valve. The results indicate that the frictionless unit exhibits a significant improvement in the dynamic force range. In the case of adaptive-passive damping control, the increase in the dynamic force range enables the improvement of vibration elimination in the entire frequency range.

Keywords

Magnetorheological damper, frictionless, dynamic force range, metal bellows, transfer ratio

Authors

MACHÁČEK, O.; KUBÍK, M.; STRECKER, Z.; ROUPEC, J.; MAZŮREK, I.

Released

19. 3. 2019

Publisher

SAGE

ISBN

1687-8132

Periodical

Advances in Mechanical Engineering

Year of study

11

Number

3

State

United Kingdom of Great Britain and Northern Ireland

Pages from

1

Pages to

8

Pages count

8

URL

https://doi.org/10.1177/1687814019827440

Full text in the Digital Library

http://hdl.handle.net/11012/180709

BibTex

@article{BUT156410,
  author="Ondřej {Macháček} and Michal {Kubík} and Zbyněk {Strecker} and Jakub {Roupec} and Ivan {Mazůrek}",
  title="Design of a frictionless magnetorheological damper with a high dynamic force range",
  journal="Advances in Mechanical Engineering",
  year="2019",
  volume="11",
  number="3",
  pages="1--8",
  doi="10.1177/1687814019827440",
  issn="1687-8132",
  url="https://doi.org/10.1177/1687814019827440"
}