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一、引言结构的系统识别是分析模型与实验结果的相互联系。系统识别把实验结果与通过分析作出的预测联系在一起,以便给出一个经过实验论证的有限元模型,用以进一步改进分析和设计。线性结构的系统识别分四个步骤:
I. INTRODUCTION The systematic identification of the structure is the correlation between the analytical model and the experimental results. System identification links experimental results with predictions made through analysis to give an experimentally demonstrated finite element model to further improve analysis and design. The system identification of the linear structure is divided into four steps: