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Systematic design of particle dampers for horizontal vibrations with application to a lightweight manipulator
Journal of Sound and Vibration ( IF 4.7 ) Pub Date : 2021-06-25 , DOI: 10.1016/j.jsv.2021.116319
N. Meyer , C. Schwartz , M. Morlock , R. Seifried

Particle damping has become a favorable passive damping technique for lightweight structures, however, its complex dimensioning process hinder its wide use in technical applications. In this paper, a multilevel design tool chain is presented to enable a systematic design and dimensioning process of particle dampers. Thereby various numerical models and experimental tests are combined. This starts with investigations of the micro-mechanical behavior of single particle impacts. Continuing, with analyzing the properties of vibrated granular matters inside a container and ending with designing a damper for a desired structure. The good agreement of the models and their efficiency for the damper design and dimensioning are finally demonstrated on an elastic lightweight manipulator undergoing a horizontal, transient vibration. Using this design toolchain, a new and much more efficient damper design for low amplitude vibrations is introduced using the rolling attribute of spheres. By separating the particle damper into several layers, high damping of the elastic lightweight manipulator is achieved.



中文翻译:

用于水平振动的粒子阻尼器的系统设计,并应用于轻型机械手

粒子阻尼已成为轻量化结构的一种有利的被动阻尼技术,但其复杂的尺寸设计过程阻碍了其在技术应用中的广泛应用。在本文中,提出了一个多级设计工具链,以实现粒子阻尼器的系统设计和尺寸标注过程。从而结合了各种数值模型和实验测试。首先是研究单粒子撞击的微观机械行为。继续分析容器内振动颗粒物质的特性,最后为所需结构设计阻尼器。模型的良好一致性及其在阻尼器设计和尺寸标注方面的效率最终在承受水平瞬态振动的弹性轻型机械手上得到证明。使用此设计工具链,使用球体的滚动属性引入了一种新的、更有效的低振幅振动阻尼器设计。通过将粒子阻尼器分成几层,实现了弹性轻型机械手的高阻尼。

更新日期:2021-06-30
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