Piezoelectric floating mass transducer as micro actuator working with magnetorheological elastomer

IF 4.9 2区工程技术 Q1 ACOUSTICS

Journal of Sound and Vibration Pub Date : 2025-08-29 DOI:10.1016/j.jsv.2025.119388

R. Rusinek , S. Lenci

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Abstract

This study analyzes the application of a piezoelectric floating mass transducer (FMT) combined with a magnetorheological elastomer (MRE) for exciting the ossicular chain and general mechanical systems. The results highlight the effectiveness of the FMT in inducing vibrations, further enhanced by the adaptive properties of the MRE, making it a promising option for broader engineering and biomedical applications, including hearing restoration devices. The study confirms that resonance tuning and the magnetic field-dependent properties of the MRE are crucial for optimizing vibration performance, significantly affecting energy transfer, while the MRE provides additional control over stiffness and damping. Compared to conventional actuators, the FMT-MRE system offers advantages in terms of frequency adaptability, though challenges remain due to nonlinear behaviors induced by MRE hysteresis. The full practical implementation is limited by the occurrence of irregular vibrations and bistability under high-voltage excitations. Firstly, a simplified 1-degree-of-freedom pure MRE system modeled with the Bouc–Wen component is analyzed at low and high excitation frequency. Next, application for the middle ear implants is studied in case of linear and nonlinear system.

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压电式浮质换能器与磁流变弹性体作微作动器

本文分析了压电式浮动质量传感器（FMT）与磁流变弹性体（MRE）结合在听骨链和一般机械系统中的应用。结果强调了FMT在诱导振动方面的有效性，MRE的自适应特性进一步增强了FMT的有效性，使其成为更广泛的工程和生物医学应用的有希望的选择，包括听力恢复设备。研究证实，共振调谐和MRE的磁场依赖特性对于优化振动性能至关重要，它们显著影响能量传递，同时MRE还提供了对刚度和阻尼的额外控制。与传统执行器相比，FMT-MRE系统在频率适应性方面具有优势，但由于MRE滞后引起的非线性行为仍然存在挑战。在高压激励下发生的不规则振动和双稳性限制了完全的实际实施。首先，在低激励频率和高激励频率下，分析了采用Bouc-Wen分量建模的简化1自由度纯MRE系统。其次，研究了线性和非线性系统在中耳植入中的应用。

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来源期刊

Journal of Sound and Vibration 工程技术-工程：机械

CiteScore

9.10

自引率

10.60%

发文量

551

审稿时长

69 days

期刊介绍： The Journal of Sound and Vibration (JSV) is an independent journal devoted to the prompt publication of original papers, both theoretical and experimental, that provide new information on any aspect of sound or vibration. There is an emphasis on fundamental work that has potential for practical application. JSV was founded and operates on the premise that the subject of sound and vibration requires a journal that publishes papers of a high technical standard across the various subdisciplines, thus facilitating awareness of techniques and discoveries in one area that may be applicable in others.