Design and experimental study of a semi-active shear-mode vibration absorber using magnetorheological elastomer
Source abstract
Abstract
This paper presents the design process of a magnetorheological elastomer (MRE) absorber with a shear symmetric structure based on detailed simulation and experiments. First, the MRE materials and dimensional parameters of the MRE absorber are determined, and magnetic field simulation is performed to analyze the magnetic induction performance in the working area. Then, a dynamic simulation model is constructed to analyze the frequency response characteristics of a semi-active vibration system. Finally, a vibration experimental platform is built to test the response performance of the shear-mode MRE absorber. The experimental results showed that the stiffness of the MRE absorber can be effectively adjusted by current. When the applied current changes from 0.5 to 2 A, a vibration reduction frequency band of 8.91 to 14.19 Hz will be formed. The closer the natural frequency in this frequency band is to the external excitation frequency, the better the vibration reduction effect, which verifies the effectiveness of semi-active vibration control for the primary system. These results validate the rationality and feasibility of the semi-active MRE absorber, providing a good reference for the design of MRE absorbers.
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Research context
OpenAlex topics: Vibration Control and Rheological Fluids · Structural Engineering and Vibration Analysis · Seismic Performance and Analysis
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
School of Mechatronics and Vehicle Engineering, East China Jiaotong University 1 , Nanchang 330013,
Key Laboratory of Vehicle Intelligent Equipment and Control of Nanchang City, East China Jiaotong University 2 , Nanchang 330013,
Vehicle Performance and Testing Department, Jiangling Motor Corporation Limited Company 3 , Nanchang 330200,
Funding
National Natural Science Foundation of China · Natural Science Foundation Project of Jaingxi Province · Key Program for International S&T Cooperation Project of Jiangxi Province of China · Jiangxi Graduate Student Innovation Special Fund Project · Double Height Project of Jiangxi Province Hu-man Resources and Social Security Department in 2022
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