本文对响应问题逆分析方法进行了研究，并进行了机床主轴轴承刚度识别。
This paper also studies inverse analysis method of response problem, and identifies stiffness of bearings of lathe spindle.
误差分析表明，如果模态试验结果具有足够的精度，用本文方法能够准确地实现结构边界支承刚度识别。
The error analysis proves that this method can realize the exact identification of the structure boundary support stiffness if the modal test results are of enough accuracy.
高耸工程结构复合振动基频计算公式计算简单，精度高，特别适用于识别桥墩和各种高耸建筑的基础约束刚度。
The calculation formula presented in this paper is simple in computation, high in precision, and adaptable to identify the foundation restraints stiffness of bridge piers and all kinds of towers.
提出基于参数识别方法的损伤结构层间刚度及剩余强度计算方法；
The calculation methods about damage story stiffness and the residue story strength of damage structure are presented by the method of parameter identification.
结果表明，该方法能较准确地识别结构的刚度参数，具有良好的容错性，在结构动力检测方面具有一定的应用价值。
The results show that the method can identify the stiffness parameters of frame structure accurately and has a good fault tolerance. The method has certain application value in structure dynamic test.
模型修正后，本文基于神经网络的多重分步识别方法，对斜支撑进行位置及截面刚度的识别。
After updating the model, this paper carried out the experiment of identifying the position and section stiffness of steel support based on the neural network multi-step identification method.
本文用动态测试与边界元法数值计算相结合的方法来识别薄板结构的边界支承的刚度参数。
In the paper, an approach linking dynamic measurement and BEM is proposed to identify the bound-ary rotating stiffness of a thin plate structure.
识别过程中采用两个杆单元模拟发生节点损伤的杆件，用抗弯刚度降低的端部短杆单元模拟节点损伤。
Two elements are adopted to represent a strut with joint damage, and the shorter element with lower moment-resisting stiffness is used to simulate the joint damage.
提出了由拉索实测振动频率同时识别出拉索索力和抗弯刚度的模态参数识别法。
This study presents a modal parameters identification approach which can identify the cable tension and bending stiffness simultaneously only from the cable frequencies.
位置的确定采用PNN神经网络，截面刚度的识别采用RBF神经网络。
Here used the PNN neural network to determine the position and RBF neural network identify the section stiffness of steel supports.
应用脉动法测到的信号分析结构的固有频率和振型，利用作者提出的改进的单纯形法来识别结构刚度。
The frequencies and vibration modes of structures are analyzed with pulsating method and structural stiffness is identified with modified simplex method, which is presented by authors.
而结构发生损伤就表现在刚度变化上，所以结构的损伤识别可以用曲率模态的变化来判别。
While structure damage is reflected by the change of stiffness. Sothe curvature may detect the damage of structure.
采用直接参数识别方法（DPE）由系统的输入、输出数据识别空间对接机构的物理参数：惯量矩阵、阻尼矩阵和刚度系数矩阵。
Nonlinear physical parameters of the docking mechanism-inertial, damping and stiffness matrices, are identified by direct parameter estimate(DPE)method with input-output data of the system.
本文提出一种基于复合反演算识别高层建筑刚度和阻尼的型动力评定技术。
In this paper, a new dynamic assessment technique based on hybrid inverse algorithms for finding the stiffness or damping parameters of tall building is suggested.
该文在分析了时间序列模型的自回归系数对结构单元刚度灵敏度的基础上，提出了一种采用随机载荷作用下结构的时域响应数据进行损伤识别的新方法。
A new method is developed for identifying structural damages at the element level by using time-domain response data at a few points caused by random loadings.
由若干部件经一定的连接部件组成的复杂结构系统，其连接部件的连接刚度可通过参数识别的方法来提取。
The stiffness of the connection joint which connect different parts of a complex structure can be extracted by identification method.
支撑刚度参数的识别值在静态工作点附近具有较高的精度，说明该电磁支撑可以实现机械系统变刚度支撑。
The electromagnetic support stiffness and additional damping parameters of the cantilever beam system with parallel electromagnetic and mechanical support were identified.
对一维和二维结构的试验表明，边界刚度的识别结果与实际相吻合，指出了在边界刚度处理上简单地附加弹簧的静态测试方法对结构的动态分析存在着不合理性。
It points out that a static testing method which assciates with a few single springs with the boundary of the structure is unreasonable for the structural dynamic ana…
对一维和二维结构的试验表明，边界刚度的识别结果与实际相吻合，指出了在边界刚度处理上简单地附加弹簧的静态测试方法对结构的动态分析存在着不合理性。
It points out that a static testing method which assciates with a few single springs with the boundary of the structure is unreasonable for the structural dynamic ana…
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