nonlinear structure

instantaneous optimal control of hysteretic and nonlinear structure

回滞非线性结构的瞬态最优控制

互联网摘选

A numerical method to simulate nonlinear fluid-rigid structure interaction problems is developed.

给出了一种模拟非线性流体 - 刚体结构相互作用问题的数值方法.

互联网摘选

in addition, there is a nonlinear structure on the yield sequence.

此外，收益率序列内部存在非线性结构。

互联网摘选

the weighted residual-shooting method for solving boundary value problems of dynamic equilibrium equation of nonlinear structure

求解非线性动力方程边值问题的加权残数打靶法

互联网摘选

the vibration of nonlinear structure is difficult to control precisely by means of linear control theory. a method that combines neural networks with inverse system theory is proposed.

针对非线性结构振动控制难以用线性控制方法精确控制的情况，提出神经网络离散逆系统方法。

互联网摘选

in this paper, the semi-active control is applied to the nonlinear structure through the mr damper.

本文主要研究结构非线性振动的磁流变阻尼半主动控制。

互联网摘选

subset simulation is a general method for structural dynamic reliability computation, and it is especially efficient for small failure probability computation of nonlinear structure.

子集模拟法在计算结构动力可靠度时适用范围较广，针对非线性结构小失效概率的计算效率较高。

互联网摘选

at the late time, when the amplitude of disturbance becomes comparable to its wavelength, the nonlinear structure occurs at the interface.

演化后期，当微扰的振幅增长到与微扰波长相当时，界面处非线性结构开始出现。

互联网摘选

numerical simulation analysis of random vibrations on contact nonlinear structure

接触非线性结构的随机振动数值仿真分析

互联网摘选

The digital aesthetic schema is a nonlinear time structure of multi-core and multi-nature.

电子审美图式的非线性时间结构表现为多核多质的模式。

互联网摘选

stability analysis of foraging swarms with general nonlinear structure

带有一般非线性结构的觅食群体的稳定性分析

互联网摘选

by means of dynamic explicit finite element method, 3d nonlinear structure is simulated.

借助动态显式有限元方法，进行了三维非线性结构动力学模拟。

互联网摘选

A new nonlinear variable structure excitation controller and steam valving controller are proposed in this paper.

论文提出一种新的非线性变结构发电机励磁和快关汽门控制器.

互联网摘选

the learning rules for the post nonlinear separation structure are derived by a maximum likelihood approach.

本文用一种最大似然方法推导了一般后非线性分离结构的学习公式。

互联网摘选

this method can not only find the intrinsic low-dimensional nonlinear data structure, but also is effective on classification.

该方法不仅能够发现样本的低维非线性结构，而且能够进行有效分类。

互联网摘选

in this thesis, we apply the nonlinear structure tensor into the wavelet multi-scale analysis to extract structure information from the background noise.

本文将非线性结构张量应用到小波变换的多尺度的环境中，利用多尺度结构张量和小波系数中边缘信息的对应关系，能够很好地从背景噪声中提取出结构信息。

互联网摘选

in this paper, nonlinear variable structure control systems are considered, and a dynamic sliding mode compensator is proposed.

本文讨论了非线性变结构控制系统的综合问题，提出了滑动模态补偿器的概念。

互联网摘选

a nonlinear variable structure controller is proposed in this paper.

本文提出一种非线性变结构励磁控制器。

互联网摘选

the basic principle of the system nonlinearity detection based on hilbert transform and the relative quantitative index of the nonlinearity are introduced. considering the influence of both input and output noises, a single-degree-of-freedom nonlinear structure was analyzed using numerical methods.

介绍了运用Hilbert变换判断系统非线性状态的基本理论和非线性程度相对量化指标，在考虑测量噪声影响的情况下，对一个具有Bouc-Wen模型的单自由度非线性结构进行了数值仿真分析。

互联网摘选

based on the definition of the random walk hypothesis under the nonlinear structure, we use the product process model to test the random walk hypothesis.

随后我们运用乘积过程模型对中国股市收益率在非线性模型下的随机游走假设进行了检验，认为中国股市收益率服从随机游走假设。

互联网摘选

a survey of current numerical techniques for nonlinear steel structure analysis

关于非线性钢结构分析的现代数值计算技术的综述

互联网摘选

The coded subroutine can be applied to the nonlinear structure analysis of aeroengine hot sections.

适用于发动机热端部件非线性结构分析。

互联网摘选

the mathematical model for restoring force of nonlinear structure is very complicated and there are many characteristic parameters in the model. the speed of minimization of objective function is low and its accuracy is not satisfactory if the parameters of model are estimated by output error method.

非线性结构恢复力的数学模型较为复杂，特征参数较多，用输出误差法估计模型参数时，极小化目标函数收敛得较慢，精度不高。

互联网摘选

according to the mathematical model of attitude control stabilization loop and the characteristics of operating conditions of a sonar array, an active disturbance rejection controller ( adrc) with nonlinear structure is applied to realize the control of attitude stabilization system of a sonar array.

依据声纳基阵姿态控制稳定回路数学模型及工作环境的特点，采用具有非线性结构的自抗扰控制器实现了声纳基阵姿态稳定系统的控制。

互联网摘选

thirdly, the methodologies of equivalent linearization and moment equations method in the approximate method for random vibration of nonlinear structure are studied.

第三，对非线性结构随机振动近似分析方法中的随机等效线性化法和矩方程法进行了研究。

互联网摘选

a new nonlinear variable structure control principle with equivalent control term is applied to control bifurcation of a nonlinear system.

提出了一种引入等效控制项的非线性变结构分岔控制方法。

互联网摘选

power system stability improvement using upfc based on nonlinear variable structure control

基于非线性变结构控制的统一潮流控制器对电力系统稳定性改善的研究

互联网摘选

the paper aims at the integration of bp neural network and fuzzy logic to seek a new vibration control algorithm for adapting to nonlinear structure and large flexible structure of which the model is difficult to obtain.

本文旨在将BP神经网络与模糊逻辑进行有机结合，以寻求一种新的适应于非线形结构和难以建模的结构的振动控制算法，研究工作在理论和实践方面都具有十分重要的现实意义。

互联网摘选

the offshore jacket platform is a complex nonlinear space structure.

海洋导管架型平台是一个复杂的非线性空间结构。

互联网摘选

the seismic responses of the nonlinear structure are also analyzed. the result shows that because the adaptive fuzzy sliding-mode control algorithm is very suitable for semi-active control, the control effect is satisfied.

仿真结果表明，由于自适应模糊滑模控制算法与半主动控制算法相结合可以很好地实现结构非线性振动的半主动控制，所以能够得到令人满意的控制结果。

互联网摘选