Multidomain Synthesis of Optimal Vibration Suppression Systems
Multidomain Synthesis of Optimal Vibration Suppression Systems
复制标题
最佳振动抑制系统的多域综合
DOI：
10.1115/1.4062981
复制
发表时间：
2023
影响因子：
3.3
通讯作者：
Li Y
中科院分区：
文献类型：
--
作者：
Li Y
考虑到来自多个领域（例如，机械、液压、气动、电气）的组件，振动抑制系统有许多设计可能性。传统的减振器设计方法只能探索有限的可能性，其性能远不能达到最优。自2000年代以来，基于网络综合的方法得到了应用。它允许识别由建模元素（刚度，阻尼，惯性）组成的网络表示的最佳吸收器性能，提供显著的理论性能改进。然而，这种改进尚未在工业上实现。这是因为以下问题尚未得到回答：(1)传统吸收器的网络表示特性是什么？(2)考虑多域物理成分，如何实现网络表征的最优属性？本文提出了一种新的多域合成技术，允许网络和多域组件之间的双向转换，为回答这些问题提供了一种方法。在此基础上，提出了一种考虑多域分量的减振器设计方法，该方法可以构造最优减振器的物理实现。这项工作的另一个贡献是提出了一种新的组件，在液压网络中提供合规性的液压实现。该方法通过汽车案例研究进行了验证，其中构建的最佳液压悬架比传统悬架的乘坐舒适性提高了23%。
There are numerous design possibilities for vibration–suppression systems considering components from multiple domains (e.g., mechanical, hydraulic, pneumatic, electrical). Traditional vibration absorber design approach could only explore limited possibilities, of which the performance is away from optimal. Since the 2000s, network synthesis-based approach has been applied. It allows identification of optimal absorber properties represented by networks consisting of modeling elements (stiffness, damping, inertance), providing significant theoretical performance improvements. However, such improvements have not yet been realized in industry. This is because the following questions have not been answered: (1) What are the network-represented properties of the conventional absorber? (2) How can the optimal network-represented properties be realized considering multidomain physical components? This article provides a method for answering these questions by proposing a novel multidomain synthesis technique, allowing bidirectional transformation between networks and multidomain components. Building on this technique, a vibration–absorber design methodology is proposed, which can construct physical realizations of optimal absorbers considering multidomain components. Another contribution of this work is to propose a novel component, providing a hydraulic realization of compliance ‘embedded’ in a hydraulic network. This methodology is demonstrated using an automotive case study, where the constructed optimal hydraulic suspension provides 23% ride comfort enhancement over the conventional one.