特征系统实现算法是近年来出现的时域模态参数识别技术。
The Eigensystem Realization Algorithm (ERA), as a model parameter identification method in time-domain has received more and more attention in recent years.
本文提出利用模态参数识别技术进行挠性转子动平衡的方法。
The present paper offers a method of balancing dynamically the flexible rotors with the technique of modal parameter identification.
为了实现结构基于振动特性的健康监测,进行了在线模态参数识别。
Structure modal parameter online identification was used to monitor the structural health as evidenced by changes in the vibration characteristics.
本文系统地研究了基于遗传算法的线性结构系统模态参数识别方法。
This paper studied the linear structure system modal parameters identification based on Genetic Algorithms.
针对该问题,提出一种基于频响函数左矩阵分式模型的模态参数识别方法。
Focusing on this problem, a modal parameters identification algorithm based on left matrix fraction description of FRF was proposed.
基于环境振动的结构模态参数识别方法正逐渐成为国内外研究的一大热点。
Structural modal parameter identification under ambient vibration is becoming the main research area.
作为方法的应用实例,讨论了补充激振力为脉冲情况下的模态参数识别方法。
As a application example of this kind of method, a way of identifying modal parameters when additional external force is impulse is investigated.
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.
结构系统识别方法根据识别的对象可以分为模态参数识别和结构物理参数识别。
Based on the identification objective, the structural identification methods can be divided into modal parameter identification and structural physical parameter identification.
基于该传感器优化配置结果,开展了二滩拱坝泄洪振动原型动力测试和模态参数识别。
Based on the optimized allocation of the sensors, the prototype dynamic test and parameter identification under flood discharge excitation for Ertan Arch Dam are carried out.
本文提出了一种新的结构模态参数识别算法,称为直接特征系统实现算法(DERA)。
A new method called direct eigensystem realization algorithm (DERA) is developed for structural modal parameter identification.
基于投影估计子空间跟踪算法提出了一种新的可用于时变结构模态参数识别的递推子空间方法。
A novel recursive subspace method is presented for pseudo-modal parameter identification of time-varying structures based on projection approximation subspace tracking algorithm.
本文针对用模态参数识别结果修正结构理论计算模型所面临着的问题,提出了一个改进的修正过程。
For the problems faced with correcting analytical dynamic models of practical structures using results of modal parameter identification, a modified procedure is presented in this paper.
文中对该方法进行了数值模拟,结果表明,该方法能够 确保网壳结构模态参数识别的有效性和准确性。
Numerical simulation was done. The results show that it has good validity and accuracy to modal parameter identification of reticulated shell structures.
给出了一个新的用于线性时变参数结构系统模态参数识别的基于固定长度平移窗投影估计的递推子空间方法。
A novel recursive subspace method is developed based on fixed length moving window (FLMW) projection approximation used for estimating the modal parameter of linear time-varying structural system.
本文以大型工程结构为研究对象,以近代实验模态分析理论及环境振动识别技术为基础,着重研究了两类基于环境振动的模态参数识别方法。
Two modal identification methods undergoing ambient excitation are investigated for the object of large structures based on modern experimental modal analysis theory and ambient vibration technology.
仪器为对中小型结构的试验模态分析提供了单模态参数识别与多模态参数识别等多种参数拟合方法,并预留了增加新的拟合分析算法的接口。
The systemoffers different methods of parameter identifications for structures test including simple mode and multiple modes, and retains the interface of adding new smooth algorithms.
并利用该方法对某型号卫星进行模态参数识别,与模态试验相比,结果比较理想,从而实现了利用正弦振动试验的数据提取模态参数的目的。
The method is used to identify modal parameters of a satellite. Comparing with the modal test, the results are fairly well, which shows the validity of identifying modal parameters using sine…
从目前发表的文章看,仅仅利用损伤结构的模态参数进行损伤识别的极少。
From article published at present, it is few only using damaged mode parameter of structure to identify the damage.
应变模态参数和模式识别理论来源于机械工程领域,是在最近十来年才引入建筑结构中来的。
Strain mode parameter and mode identification theory originate from mechanical engineering territory. They are used to structure engineering lately.
本文讨论利用振动系统的随机响应和自由响应信号识别系统模态参数问题。
The identification of modal parameters of a vibration system by means of random response and free response signal is discussed.
从理论和试验两个方面分析和研究噪声对识别精度的影响,影响识别精度的因素,以及部分模态成分的模态参数不能够被识别的原因。
The influence of noise on identification precision, the effect factor of the computing precision and the reason of missing estimation some modes were analyzed and discussed.
由于结构频率测试容易测试并且有较高的测量精度,因此成为损伤识别中广泛应用的模态参数。
The variation of structural frequency before and after the damage is believed to be a most available and widely used modal parameter because of its easy testability and high measure precision.
在此基础上,介绍了由频响数据识别复模态参数的导纳圆拟合法。
On this basis, the mobility circle fitting method for identifying the complex modal parameters from frequency response data is discussed.
用实验方法、解析方法和混合方法进行了模态参数的初步识别。
The initial modal parameters are then identified with the experimental approach, theoretical approach and hybrid approach.
介绍一种基于多参考点最小二乘频域法(一种工作模态法)的刚体参数识别方法。
A rigid body parameters identification method based on muhi-reference least-squares frequency domain scheme (one of the operational modal analysis techniques) is presented.
轻型薄板式挡土墙试验模态测试与参数识别技术研究。
Study on technology for the experimental modal test and parameter identification of the light thin plate retaining wall.
轻型薄板式挡土墙试验模态测试与参数识别技术研究。
Study on technology for the experimental modal test and parameter identification of the light thin plate retaining wall.
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