介绍了利用非线性模态综合分析技术建立整车非线性模型的方法和原理。
The methods and principle in establishing a nonlinear model for a whole motor vehicle by using the comprehensive nonlinear modal analysis techniques are presented in this paper.
提出了非线性振动理论中的非线性模态对应原理，并给出了该原理的证明。
In this paper, the nonlinear mode correspondence principle in nonlinear vibration theory is proposed and proved.
耦合非线性模态的分叉既与调谐参数有关又与模态振幅有关，但与非耦合弹簧的非线性刚度无关。
The bifurcation behavior of the coupled nonlinear normal mode is associated with detuning parameter and mode amplitude, but not with the nonlinear stiffness of uncoupling spring.
当前线性模态声音模型与它们的频率成分紧密耦合，因此物体表面的模态振动和由此产生的声音辐射取决于振动频率。
Current linear modal sound models are tightly coupled with their frequency content. Both the modal vibration of object surfaces and the resulting sound radiation depend on the vibration frequency.
形象地表现线性小扰动运动方程的纵向和横航向典型运动模态，一直缺乏一种理想的方式。
There is no ideal way so far to represent the longitudinal and lateral motion mode of the small linear disturbance motion equation.
提出了非线性空间飞行器系统采用滑动模态控制方法，它对强非线性的空间飞行器系统通道间交叉影响进行解耦。
A control method with sliding mode of nonlinear spacecraft system is provided in this paper, in which the interactive influences among channels of strong nonlinear spacecraft system are decoupled.
所示的激励激起了所有阶模态，因此就一般情况下，响应是输入激励激发起来的所有阶模态的线性叠加。
The excitation shown causes all the modes to be activated and therefore, the response is, in general, the linear superposition of all the modes that are activated by the input excitation.
在比较条件非线性最优扰动和线性奇异向量模态的基础上进一步探讨了它们随时间的演变。
On the basis of the comparison of conditional nonlinear optimal perturbation and linear singular vector, the evolutions of them with time are investigated.
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.
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 identification results have indicated that the proposed method is an effective tool for modal parameters identification of time-variant linear system.
引入了有限时间滑动模态的概念，其优点是线性部分的状态在有限时间内趋近于零。
The concept of the finite time sliding mode is introduced in which the advantage is that the linear dynamics tend to zero in finite time.
得出，当激振点不变时，激振力级的变化与振动模态辐射的平均声压级成线性关系；
When the exciting force was constant the average level of sound radiation produced by modal vibration has a linear relationship with the level of mode shapes.
使用等价控制方法构成双线性变结构控制系统的滑动模态方程。
Equations of sliding mode for bilinear variable structure control system are structured by employing method of equivalent control.
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.
提出一种由线性连接元和非线性连接元组成的连接子结构，并将这种连接子结构用于自由界面的模态综合技术。
A link substructure composed of a group of linear and nonlinear link units, can be used in the free interface modal synthesis technique to set up nonlinear vibration equations.
对一般非线性系统，推导了一种综合运用非线性动态逆、自适应模糊逻辑系统和滑动模态控制进行控制律设计的方法。
For general nonlinear system, a control law design method which integrated the nonlinear dynamic inverse theory, adaptive fuzzy system and slide model control is developed.
本文把子结构法、振型迭加法、模态综合法等推广应用于非线性系统，提出分析非线性系统动力响应的离散分量法。
A method for dynamic response analysis of the nonlinear systems is presented. It is the development of the mode-superposition procedure and the modal synthesis method.
采用包含软子结构的间接对接的混合界面子结构模态综合法，建立了整车系统非线性动力学模型。
Nonlinear dynamic model of total automobile system was established by mixed substructure component model synthesis which contains some soft substructures.
多输入非线性系统变结构控制器设计的关键之一是寻求切换函数使得滑动模态渐近稳定。
The key to VSC for multi-input nonlinear system is the design of a switch function which should ensure the stabilization of sliding mode.
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。
Based on the generalized mode theory of linear vibrating defective systems, an identification method of generalized modal parameters is presented in this paper.
在模态分析的基础上，采用几何非线性有限元的分析方法，对悬索式管桥进行了横向风共振分析。
On the basis of the modal analysis, the nonlinear finite element is used to analyze the dynamic response of suspension pipe bridge to cross wind excitation.
应用这组线性无关的模态集构成坐标变换矩阵，推导出广义坐标下的部件动力学方程。
Using a coordinate transformation matrix, which is formed by these linearly independent mode set, the component equations of motion in generalized coordinates are derived.
把模态截断所引起的模型不精确以及非线性部分均当作模型的未知部分。
The nonlinear part and the imprecision part caused by mode truncation are taken as the unknown portion of the model.
这种方法可以获得全结构的精确模态，其代价是要求求解一个非线性特征方程。
This method can obtain the exact eigen-modes and frequencies of whole structure. However the method needs to solve a non-linear eigen equation.
利用拉格朗日法和假设模态方法建立了末端柔性的两臂漂浮基空间机器人的非线性动力学方程。
Nonlinear dynamic equations of a free-floating space robot with two manipulators and a flexible end-manipulator are established based on Lagrange and assumed mode methods.
对气候要素的概率分布进行了讨论，根据这些概率分布的特点提出了多模态模型，并用非线性拟合的方法进行了验证。
The probability distributions of climatic elements are discussed. Based on the characters of them, a multimode model is introduced and verified through the nonlinear fitting.
对矿用汽车制动器主要部件进行了计算机辅助工程分析(CAE)，包括：结构静力学分析、非线性接触分析、模态分析、瞬态动力学分析等。
CAE is conducted on main parts of a mining truck brake, which includes structural static analysis, non-linear contact analysis, modal analysis and transient dynamic analysis.
本文给出了一般开链弹性机器人机构动力学方程。该方程是由关节广义坐标和杆件模态坐标联立的非线性微分方程组。
In this paper the governing equations of flexible manipulators are derived, which are nonlinear simultaneous differential equations of joint variables and link elastic modal coordinates.
本文给出了一般开链弹性机器人机构动力学方程。该方程是由关节广义坐标和杆件模态坐标联立的非线性微分方程组。
In this paper the governing equations of flexible manipulators are derived, which are nonlinear simultaneous differential equations of joint variables and link elastic modal coordinates.
应用推荐