颤振

关于非线性机床再生颤振的周期的存在性

On the periodicity of the nonlinear regenerative tremor of the machine tools

基于小波包和EAR模型的铣削颤振特征提取和评价

Wavelet Packet and EAR Model Based Feature Extraction and Assessment of Chatter in Milling

基于HMM的机床切削颤振趋势预报软件的开发研究

The Development of Cutting Vibration Trend Forecast Software Based on HMM

风洞试验结合CFD数值模拟分析中央开槽的颤振控制作用

Flutter Control Effect and Mechanism Study of Central slotting by Wind Tunnel Tests and CFD Numerical Simulation Analysis

基于再生颤振原理，综合考虑了X，Y，Z向振动对刀具动态切削厚度的影响。

Based on regenerative chatter theory , the affection of vibration in X , Y , Z direction to dynamic uncut chip thickness is considered .

采用非定常N-S方程的翼型颤振特性分析研究

Analysis of Airfoil Flutter Characteristics

基于Morlet小波改善飞行颤振试验参数识别精度的方法

Investigation on Improving the Accuracy of Parameter Identification Based on Morlet Wavelet in Flight Flutter Testing

基于Nyquist稳定性理论，实现了铣削加工过程的颤振稳定域的仿真计算。

Accord with the stability theory proposed by Nyquist , the simulation of chatter stability in milling process is achieved .

采用颤振方程和N-S方程耦合求解，时间推进的方法计算结构响应特性；

Coupling the Navier-Stokes equations with the flutter equations with nonlinear structural stiffness functions solves the time histories of dynamic responses of airfoil .

通过改变主振系统的刚度方向以及改变k1与k2的差值，就可以提高机床抵抗颤振能力。

The ability of resisting self-vibration can be increased by changing the direction of systematic rigidity and varying the k1 and k2 value .

本文简要介绍了CARDC全模颤振试验技术的研究情况。

The research of full model flutter test technique in CARDC is briefly presented in this paper .

以主动颤振抑制系统设计为代表的气动伺服弹性力学（ASE）是一门涉及柔性结构、飞行器运动引起的定常和非定常气动力以及飞行控制系统相互作用的多学科技术。

Aeroservoelasticity , including active flutter suppression technology , is a multidisciplinary optimization technology that studies the interaction of flexible structure , unsteady aerodynamics and flight control system .

为了准确地预报机床切削颤振趋势，在机床切削颤振趋势预报的理论和方法的基础上，开发了基于隐Markov的机床切削颤振趋势预报软件。

In order to forecast the trend of cutting vibration accurately , based on the theories and methods of cutting vibration trend forecast , developed the forecast software of cutting vibration trend forecast based on the Hidden Markov Models .

运输机基本机翼的颤振结果接近于试验值，相应LCO现象是由大幅激波运动所引起的。

Flutter characteristics of the basic transport wing numerically approach to the existing experimental values , and relevant LCO phenomenon is caused by the large-amplitude shock-wave motion .

以此为依据，制订了对机床颤振进行早期诊断的一个有效的综合判据，并借助于Z-80单板机对切削过程进行在线监视试验。

An effective and comprehensive criterion for an early stage diagnosis of machine tool chatter is suggested and a Z-80 single-board computer-based on-line monitoring system of cutting process is tested .

基于多模态耦合颤振理论和结构的固有模态坐标，导出带有多重调谐质量阻尼器（MTMD）桥梁系统颤振运动微分方程。

Based on multi-mode coupled flutter theory and modal coordinates of the structure the differential equations of flutter motion for bridge with multiple tuned mass dampers ( MTMD ) are established in this paper .

采用Theodorsen非定常气动理论构建气动模型，获得机翼在平衡位置附近的非线性颤振方程，并利用v-g法判定机翼颤振稳定性。

Flutter equations are obtained by using Theodorsen 's unsteady aerodynamic theory , then flutter stabilities at various wind speeds are determined by the v-g method .

本文针对在外挂上带有初偏间隙型非线性刚度的二元翼带外挂系统的极限环颤振，进行KBM法二次渐近解等效线化分析。

By using the equivalent linearized stiffness derived from the second order solution of KBM method , the limit cycle flutter of a two-dimensional wing / store system with gap in thier connection is investigated .

使用计及壁板横向剪切效应的三结点三角形Mindlin板单元（MIN3单元）推导出考虑热效应的颤振有限元方程，并给出了在频域和时域求解其颤振方程的方法。

In panel flutter equations three-node triangular Mindlin plate element is adopted to consider the transverse shear effect of composite panels . The solving approaches for panel flutter equations in time domain and frequency domain are also presented .

用扫描电子显微镜研究超声波振动车削抑制颤振的微观机制

SEM Approach to the Reducing Chatter Mechanism of Ultrasonic Vibration Turning

大跨桥梁颤振自激力的强迫振动法研究

A new method for measuring flutter self-excited forces of long-span bridges

首先，对颤振的机理做了比较详尽的分析和研究。

Firstly , the mechanism of chatter is analyzed and studied .

抑制磨削颤振的新方法&有限随机进给法的研究

A New Method for Suppressing the Grinding Chatter-Limited Random Feed Method

搜索平板颤振临界风速的追赶法

Pursuit method for searching critical flutter wind velocity of flat plates

桥梁断面中间开槽对颤振稳定性的影响

Influence of Central Slot on Bridge Box Girder 's Flutter Instability

带有结构刚度非线性的跨音速翼型颤振特性研究

Investigation of Transonic Flutter Characterstics of Airfoil with Nonlinear Structure Stiffness

桥梁抗风设计的新概念&多振型耦合颤振

New concepts on wind-resistant design of bridges & multi-mode coupled flutter

数控机床切削加工过程颤振抑制技术的研究

Chatter Suppression Technology Research in Numerical Control Machine Tool Turning Process

用切削颤振试验测定无量纲切入系数

Identification of the Non-Dimensional Dynamic Cutting Coefficient by Cutting Chatter Tests

叶片排干涉对叶片颤振和强迫响应影响的研究

Investigation on blade row interaction effect on flutter and forced response