Dynamic modeling and vibration control for isolation systems based on magnetorheological elastomers
Dynamic modeling and vibration control for isolation systems based on magnetorheological elastomers
A fractional rheological model was developed for MRE-based isolation systems to investigate the influence of material elasticity and viscosity on the isolation effect. The identification of model parameters was realized by fitting experimental data of dynamic mechanical analysis for MRE structures. The superior rationality of modeling was reflected with the good consistency and repeatability. The transmissibility was calculated both theoretically and numerically. The method of numerical simulation was verified with an excellent agreement between theoretical and numerical results. The influence of model parameters on transmissibility and energy flow was analyzed to interpret the dynamic behavior of vibration isolation systems. A control strategy based on the coincidence frequency was developed for this MRE-based isolation system to protect the foundation or the sensitive equipment against periodic vibrations. The isolation effect was investigated from the prospect of transmissibility and energy flow. Eventually, the fuzzy control algorithm was adopted to isolate the sensitive equipment against random motions of the ground, and the effectiveness was further validated by comparing with the passive isolation.
Vibration control, dynamic mechanical analysis, magnetorheological elastomers, mathematical modeling
Zhu, Guanghong
20176808-b400-4f6a-8b18-b9c273528c82
Li, Zhigang
096004a8-6630-4fdb-8d0f-c51239ebc80a
Guo, Hulun
4dbd3014-14b5-4c64-8be2-0d227212b8e5
Bai, Xianxu Frank
1c0150aa-8678-4c54-bb84-eca003e5c182
Xiong, Yeping
51be8714-186e-4d2f-8e03-f44c428a4a49
Li, Ming
1665f3bc-442b-49bb-bd68-d16ac05313e0
28 November 2022
Zhu, Guanghong
20176808-b400-4f6a-8b18-b9c273528c82
Li, Zhigang
096004a8-6630-4fdb-8d0f-c51239ebc80a
Guo, Hulun
4dbd3014-14b5-4c64-8be2-0d227212b8e5
Bai, Xianxu Frank
1c0150aa-8678-4c54-bb84-eca003e5c182
Xiong, Yeping
51be8714-186e-4d2f-8e03-f44c428a4a49
Li, Ming
1665f3bc-442b-49bb-bd68-d16ac05313e0
Zhu, Guanghong, Li, Zhigang, Guo, Hulun, Bai, Xianxu Frank, Xiong, Yeping and Li, Ming
(2022)
Dynamic modeling and vibration control for isolation systems based on magnetorheological elastomers.
Journal of Intelligent Materials Systems and Structures.
(doi:10.1177/1045389X221136298).
Abstract
A fractional rheological model was developed for MRE-based isolation systems to investigate the influence of material elasticity and viscosity on the isolation effect. The identification of model parameters was realized by fitting experimental data of dynamic mechanical analysis for MRE structures. The superior rationality of modeling was reflected with the good consistency and repeatability. The transmissibility was calculated both theoretically and numerically. The method of numerical simulation was verified with an excellent agreement between theoretical and numerical results. The influence of model parameters on transmissibility and energy flow was analyzed to interpret the dynamic behavior of vibration isolation systems. A control strategy based on the coincidence frequency was developed for this MRE-based isolation system to protect the foundation or the sensitive equipment against periodic vibrations. The isolation effect was investigated from the prospect of transmissibility and energy flow. Eventually, the fuzzy control algorithm was adopted to isolate the sensitive equipment against random motions of the ground, and the effectiveness was further validated by comparing with the passive isolation.
Text
Accepted manuscript_JIMSS_Zhu&Xiong2022
- Accepted Manuscript
More information
Submitted date: 11 July 2022
Accepted/In Press date: 8 October 2022
e-pub ahead of print date: 28 November 2022
Published date: 28 November 2022
Additional Information:
Funding Information:
The author(s) disclosed receipt of the following financial support for the research, authorship, and/or publication of this article: This study was funded by National Natural Science Foundation of China (grant numbers 12002267, 12172279, 11972282, and 12172247) and Science Foundation of Education Department of Shaanxi (grant number 20JK0777).
Publisher Copyright:
© The Author(s) 2022.
Keywords:
Vibration control, dynamic mechanical analysis, magnetorheological elastomers, mathematical modeling
Identifiers
Local EPrints ID: 472362
URI: http://eprints.soton.ac.uk/id/eprint/472362
ISSN: 1045-389X
PURE UUID: 33c0db8f-15cf-400a-8b41-a97422237a3a
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Date deposited: 02 Dec 2022 17:39
Last modified: 17 Mar 2024 02:51
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Contributors
Author:
Guanghong Zhu
Author:
Zhigang Li
Author:
Hulun Guo
Author:
Xianxu Frank Bai
Author:
Ming Li
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