The present paper offers a method of balancing dynamically the flexible rotors with the technique of modal parameter identification.
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。
In this thesis, the dynamic load identification of guyed mast method in time domain based on modal analysis is analyzed.
要解决这个问题,必须建立作用在桅杆结构上的动力风荷载的识别方法。
Based on the generalized mode theory of linear vibrating defective systems, an identification method of generalized modal parameters is presented in this paper.
基于线性振动亏损系统的广义模态理论,本文提出了一种识别亏损系统广义模态参数的频域方法。
Modal analysis method is used to discuss the location and identification of the damages to reinforced concrete structure due to corrosion and cracking.
应用振动测试的模态分析方法,对钢筋混凝土结构锈裂损伤定位与识别进行了探讨。
Firstly, the damage identification method based on vibration modal analysis theory is discussed and analyzed.
首先,本文对基于振动模态分析理论的损伤识别方法进行了探讨。
The method of damage identification with modal index and the artificial neural networks is introduced in this paper.
介绍了使用模态指标及神经网络进行结构损伤识别的方法。
A rigid body parameters identification method based on muhi-reference least-squares frequency domain scheme (one of the operational modal analysis techniques) is presented.
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。
Based on the conception of the discrete modal filter, a force identification model is proposed to emend the classical modal model method.
基于模态滤波器概念提出了对载荷识别模态模型法的原理性校正方案,构造了动载荷识别的离散模态滤波器模型。
A kind of method of modal identification subject to ambient excitation is presented.
提出一种环境激励下的模态识别方法。
The thesis combines finite element method, modal strain energy of change, and statistic method, develops a sort of damage statistic identification method.
本论文结合基于模态应变能改变的损伤识别方法、随机有限元法、概率统计方法,得出一套基于模态应变能改变的损伤统计识别方法。
A new method called direct eigensystem realization algorithm (DERA) is developed for structural modal parameter identification.
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)。
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.
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。
In this paper, the progress of modal parameter identification method for structure system in the past twenty years is discussed, and typical achievements by these methods are briefly introduced.
对结构系统模态参数识别方法近十几年来的最新研究成果进行了综述和总结。分析了模态参数识别方法的发展趋势,并对其中的典型研究成果进行简要的介绍。
The identification results have indicated that the proposed method is an effective tool for modal parameters identification of time-variant linear system.
实验结果和理论计算结果比较表明:该方法为参数时变线性系统的模态参数辨识提供一条新途径。
The highly precise direct integration scheme is used for solving modal dynamic differential equation of the structure nd a dynamic load identification method by the modal responses is proposed.
采用无条件稳定的精细逐步积分法求解结构的模态动力学微分方程,构造了通过结构的模态响应反求荷载列阵的迭代算法。
The numerical examples explain that the method of modal parameter identification and load identification in this thesis both are reasonable, applicable for factual engineering.
文中的数值算例分别验证了模态参数辨识及动态载荷识别方法的合理性、适用性及计算程序编制的正确性。
A novel recursive subspace method is presented for pseudo-modal parameter identification of time-varying structures based on projection approximation subspace tracking algorithm.
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。
Finally, the present method is applied to the modal identification from the I/O data of FEM dynamic analysis and on board measurement for a container ship.
最后以一货柜轮之有限元素动态分析模拟与实船量测结果为例进行船体整体振动之态特性识别。
A practical procedure of Double-Least-Square approach in ITD method of modal parameters is programed and the simulataneous identification test is conducted.
本文编制了模态参数时域识别的双最小二乘法程序,并进行了模拟试验。
The discussed identification procedures in the two modal coordinate system are similar to the method in the physical coordinate system.
在两个模态坐标系中的参数识别过程完全类似于在物理坐标系中的识别过程。
A method of modal parameter identification using datas of random vibration tests is introduced.
文章介绍了利用随机振动的试验数据进行模态参数辨识的方法。
The modal identification and excitative selectiion for large scale construction machinery are analyzed in this paper, and the proposed method has been used in enginnering practice.
本文介绍了大型建筑机械的试验模态分析法,对各激振方式的特点进行了分析,提出适用于大型建筑机械的激振方式并将其用于实践。
The modal identification and excitative selectiion for large scale construction machinery are analyzed in this paper, and the proposed method has been used in enginnering practice.
本文介绍了大型建筑机械的试验模态分析法,对各激振方式的特点进行了分析,提出适用于大型建筑机械的激振方式并将其用于实践。
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