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电磁场式磁流变弹性体减震装置的设计及其磁路优化的文献综述
摘 要
本课题所设计的磁流变弹性体减震装置是通过电流的变化改变和产生不同的电磁场来改变磁流变弹性体的模量和阻尼等性能，改变磁流变弹性体的弹性和硬度，从而实现减震的目的。与普通磁流变液相比，磁流变弹性体在磁场作用下具有良好的可逆性。由于可控性、可逆性、稳定性好、响应迅速、结构设计简单、制备成本低等独特的优点，磁流变弹性体在航空航天、舰船、振动控制等领域具有广泛的应用前景。电磁场式磁流变弹性体减震装置的设计及其磁路优化通过电磁场产生的磁场来改变磁流变弹性体的模量和阻尼等性能，从而实现减震的目的来设计的。以电磁场产生的磁场为基础结合磁场理论设计的磁流变弹性体减震装置，对装置内磁流变弹性体周围的磁场分布规律进行了进一步的磁路优化。
关键词：磁流变弹性体，电磁场，减震结构
Abstract
The magnetorheological elastomer shock absorber designed in this project changes the modulus and damping of magnetorheological elastomer by changing the current and generating different electromagnetic fields, and changes the elasticity and hardness of magnetorheological elastomer, so as to achieve the purpose of shock absorption. Compared with ordinary MR fluid, MR elastomer has good reversibility under the action of magnetic field. Because of the unique advantages of controllability, reversibility, good stability, fast response, simple structure design and low preparation cost, magnetorheological elastomer has a wide application prospect in aerospace, naval ships, vibration control and other fields. Design of electromagnetic field magnetorheological elastomer shock absorber and optimization of its magnetic circuit change the mode of magnetorheological elastomer by the magnetic field generated by the electromagnetic field. Quantity and damping performance, so as to achieve the purpose of shock absorption design. Based on the magnetic field generated by electromagnetic field and magnetic field theory, a magnetorheological elastomer shock absorber was designed to further optimize the magnetic circuit around the magnetorheological elastomer in the device.
Keywords: magnetorheological elastomer, electromagnetic field, shock absorption structure
1.研究背景
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