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Impact behaviour modelling of magnetorheological elastomer using a non-parametric polynomial model optimized with gravitational search algorithmZubir, Amrina Rasyada ...This paper presents an approach to model the impact behaviour of a dual-acting magnetorheological elastomer (MRE) damper using 4th-order polynomial functions optimized with a gravitational search ... algorithm. MRE is a type of smart material that can change its mechanical properties in response to an injected current, making it well-suited for a wide range of applications such as vibration absorption, noise cancellation, and shock mitigation. The proposed model uses a combination of polynomial functions designed to predict the nonlinearity of MRE during compression and extension stages. The model is tuned and validated using experimental data from impact tests conducted on the MRE damper under various currents. The results indicate that the developed model can accurately track the impact behaviour of MRE with minimum error. Additionally, an interpolation model is proposed to estimate the appropriate forces for median currents. The interpolation model predicts the force between the upper and lower currents, demonstrating the model's ability to predict MRE behaviour accurately. The main contribution of this study is proposing a non-parametric model of MRE that is able to identify the hysteretic behaviour of the MRE based on specific current applied. In addition, an interpolation model is introduced in this study to cover not only the input current starting from 0 A to 2 A but also the intermediate current such as 0.3 A, 0.7 A, 1.3 A and 1.7 A.Vir: Strojniški vestnik = Journal of mechanical engineering. - ISSN 0039-2480 (Vol. 69, no. 11/12, Nov./Dec. 2023, str. 471-482)Vrsta gradiva - članek, sestavni del ; neleposlovje za odrasleLeto - 2023Jezik - angleškiCOBISS.SI-ID - 182596867
Avtor
Zubir, Amrina Rasyada |
Hudha, Khisbullah |
Kadir, Zulkiffli Abd |
Amer, Noor Hafizah
Teme
magnetorheological dampers |
polynomial model |
gravitational search algorithm |
force-displacement characteristic |
interpolated model |
magnetoreološki elastomeri |
MR blažilniki |
polinomski model |
gravitacijski iskalni algoritem |
karakteristika sila-odmik |
interpolacijski model
Vnos na polico
Trajna povezava
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Zubir, Amrina Rasyada | |
Hudha, Khisbullah | |
Kadir, Zulkiffli Abd | |
Amer, Noor Hafizah |
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