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首页> 外文会议>Conference on Active and passive smart structures and integrated systems; 20090309-12; San Diego, CA(US) >Design and Analysis of an Adaptive Vibration Isolation System considering Large Scale Parameter Variations
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Design and Analysis of an Adaptive Vibration Isolation System considering Large Scale Parameter Variations

机译：考虑大规模参数变化的自适应隔振系统设计与分析

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摘要

The reliability assessment of complex adaptive systems requires the identification of dominant input parameters and the quantitative evaluation of the associated effects on the system performance. This can be achieved using experimental and numerical sensitivity analysis methods. In this paper a simulation based approach is presented, assessing the system performance of an active vibration isolation device with respect to parameter variations, such as temperature, load amplitude, material properties and geometry dimensions of the structural elements. The modeling of the active system is described utilizing the Finite Element Method and a Krylov Subspace based model order reduction scheme. The implemented Morris screening technique and variance based sensitivity analysis are discussed. For the example of an active vibration system the sensitivity analysis strategy is outlined and it is shown that a quantitative assessment of the system performance considering large scale parameter variations is provided.
机译：复杂自适应系统的可靠性评估要求确定主要输入参数，并对对系统性能的相关影响进行定量评估。这可以使用实验和数值敏感性分析方法来实现。在本文中，提出了一种基于仿真的方法，该方法针对参数变化（例如温度，负载振幅，材料特性和结构元素的几何尺寸）评估了主动隔振设备的系统性能。使用有限元方法和基于Krylov子空间的模型降阶方案描述了主动系统的建模。讨论了已实施的Morris筛选技术和基于方差的敏感性分析。对于主动振动系统的示例，概述了灵敏度分析策略，并显示了考虑到大规模参数变化的系统性能的定量评估。

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