【Key words】 upper bracket; vibration; dynamic loads identification ; time domain method; five-point identification method
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Then the loads status during steady operation is analyzed, and the corresponding displacements are computed via FEA method. Finally, the five-point identification method is applied to the dynamic loads identification for the upper bracket.
最后将两步五点法运用到对上机架的动载荷识别过程中,结果显示识别效果很好。
参考来源 - 一种新的动载荷识别方法及其在水电机组中的应用·2,447,543篇论文数据，部分数据来源于NoteExpress
为了辨识未知集中力，建立了时域下旋转连续梁的动载荷识别理论。
In order to identify the unknown concentrated dynamic force, the theory of load identification of the rotating beam in time domain is established.
在已知系统系数矩阵以及动响应的情况下，利用动载荷识别技术可以探知未知的动载荷。
The technique of dynamic load identification can be used to identify unknown dynamic load in the case of knowing matrix of coefficient and dynamic response being measured already.
本文利用广义正交多项式作为时间有限元的形函数，推导了基于时间有限元的动载荷识别模型。
The dynamic load identification is formulated by time finite element model with shape function of generalized orthogonal polynomial in this paper.
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