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Characteristics, Optimal Design, and Performance Analyses of MRF Damper
Joint Authors
Ji, Hui
De-kui, Xin
Fang-long, Yin
Nie, S. L.
Source
Issue
Vol. 2018, Issue 2018 (31 Dec. 2018), pp.1-17, 17 p.
Publisher
Hindawi Publishing Corporation
Publication Date
2018-06-27
Country of Publication
Egypt
No. of Pages
17
Main Subjects
Abstract EN
Magnetorheological fluid (MRF) damper is one of the most promising semiactive devices for vibration control.
In this paper, a shear-valve mode MRF damper for pipeline vibration control is proposed.
The dynamic model and the state equation of the pipeline are established and the linear quadratic regulator (LQR) is used to generate the optimal damping force of MRF damper.
The design concept considering the structure and the electromagnetic properties simultaneously is discussed in detail.
A mathematical model of the relation between shear stress and control current based on interpolation method is established.
Finite element analysis (FEA) software COMSOL is selected to simulate the magnetic field and electromagnetism-thermal field of the MRF damper.
A computational method based on the simulation model is established to calculate the shear stress.
In order to reduce the magnetic leakage, a method of adding magnetism-insulators at both ends of the piston head is presented.
The influence of control current, displacement, and velocity on mechanical performance of the proposed MRF damper is experimentally investigated.
The test results show that the performance of the MRF damper is basically identical with the theoretical prospective and the simulation conclusions, which proves the correctness and feasibility of this design concept.
American Psychological Association (APA)
De-kui, Xin& Nie, S. L.& Ji, Hui& Fang-long, Yin. 2018. Characteristics, Optimal Design, and Performance Analyses of MRF Damper. Shock and Vibration،Vol. 2018, no. 2018, pp.1-17.
https://search.emarefa.net/detail/BIM-1215378
Modern Language Association (MLA)
De-kui, Xin…[et al.]. Characteristics, Optimal Design, and Performance Analyses of MRF Damper. Shock and Vibration No. 2018 (2018), pp.1-17.
https://search.emarefa.net/detail/BIM-1215378
American Medical Association (AMA)
De-kui, Xin& Nie, S. L.& Ji, Hui& Fang-long, Yin. Characteristics, Optimal Design, and Performance Analyses of MRF Damper. Shock and Vibration. 2018. Vol. 2018, no. 2018, pp.1-17.
https://search.emarefa.net/detail/BIM-1215378
Data Type
Journal Articles
Language
English
Notes
Includes bibliographical references
Record ID
BIM-1215378