首页> 外文会议>International Conference on Noise and Vibration Engineering >UNCERTAIN STRUCTURAL DYNAMICS IDENTIFICATION VIA A RANDOM COEFFICIENT ARX MODEL BASED METHOD
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UNCERTAIN STRUCTURAL DYNAMICS IDENTIFICATION VIA A RANDOM COEFFICIENT ARX MODEL BASED METHOD

机译:基于随机系数ARX模型的方法不确定的结构动力学识别

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摘要

A Random Coefficient ARX (RC-ARX) model based method for uncertain structural dynamics identification from a multitude of experimental data records, obtained from different experiments, is presented and analysed. The method is capable of properly and fully describing structural dynamics uncertainties using suitable parameter vector covariance estimators. The effectiveness of the postulated method is demonstrated via a simulated lumped parameter structural model, as well as a case study based on a laboratory scale model of a cable-stayed bridge structure.
机译:提出并分析了从不同实验获得的多种实验数据记录中不确定结构动力学识别的基于随机系数ARX(RC-ARX)模型方法。该方法能够使用合适的参数向量协方差估计器正确且充分地描述结构动力学不确定性。假设方法的有效性通过模拟的集成参数结构模型来证明,以及基于电缆撑桥结构的实验室规模模型的案例研究。

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