The steady solution and its stability of Nonlinear Schrdinger Equation (NLSE) are studied by means of traveling wave transformation and bifurcation theory.
用行波变换方法和分叉理论研究里非线性薛定谔方程的定常解和定常解的稳定性。
The rotor bearing system was investigated using the stability and bifurcation theory for nonlinear dynamic system and the database method.
应用精度高、速度快的非线性油膜力数据库方法及非线性动力系统的稳定性和分叉理论对转子-轴承系统进行了分析。
Basic theory of nonlinear FEM analysis and its realization in ANSYS were studied. Accomplish stability analysis of high arch dam abutment based on nonlinear FEM analysis.
因此对大型结构分析软件ANSYS的三维非线性计算功能进行了深入研究，在此基础上完成了基于非线性有限单元法的高拱坝坝肩稳定计算分析。
Secondly, it discussed the deflection in stability of arch bridge and geometry nonlinear theory on ultimate load-carrying ability.
其次，论述了关于拱桥稳定性的挠度问题和极限承载力的几何非线性理论。
A robust state feedback controller design is considered for a class of linear time varying delay system with nonlinear uncertainty based on Lyapunov stability theory.
基于稳定性理论，研究了一类具有状态非线性不确定性的线性时变时滞系统的鲁棒控制器的设计问题。
The large deformation geometric nonlinear theory is used to study radial stability of transformer low-voltage windings.
采用大位移几何非线性理论，研究了变压器低压绕组的辐向稳定性。
Stability analysis is carried out with prestressed spatial steel structures according nonlinear finite element theory.
基于非线性有限元原理对预应力空间钢结构进行了稳定性能分析。
Taking aim at a class of uncertain nonlinear systems, a sliding mode adaptive control algorithm based on Lyapunov's stability theory was proposed.
针对一类不确定非线性系统，基于李亚普诺夫稳定性理论提出了滑模自适应算法。
The stability analysis of variable structure guidance system of an air-to-air missile was conducted based on the circle criterion nonlinear stability analysis theory.
文中在圆判据非线性稳定性理论基础上，进行空空导弹变结构制导系统的稳定性分析。
One of the key problems in the nonlinear theory of the hydrodynamic stability is to determine the law of the evolution of the disturbance velocity amplitude.
求解扰动速度幅值的演化规律，是流动稳定性非线性理论的关键问题之一。
The mechanics theory of the borehole stability and H-B's nonlinear criterion are used to establish the equations for slip failure of the rock mechanics around borehole.
应用井眼稳定力学理论和H - B非线性准则，建立了井眼围岩力学滑移破坏方程。
Then a new nonlinear control law based on LYAPUNOV's stability theory for the PWM rectifier is presented.
并在Lyapunov稳定性理论的基础上，提出了一种新的三相四线三电平中点箝位pwm整流器非线性控制方法。
To the dynamic stability of the K8 single layer latticed shell structures under the seismic loads, this paper carried out the dynamic stability analysis based on the nonlinear finite element theory.
针对单层k8型网壳结构在强震时的动力稳定问题，应用非线性有限元理论进行了分析。
As a complex, time-varying, nonlinear, strong coupling, natural unstable and higher order system, its stability control is a typical problem of the theory and application of control.
作为一个复杂、时变、非线性、强耦合、自然不稳定的高阶系统，倒立摆的稳定性控制又是控制理论与应用的典型问题。
Based on the above theory, finite element software is developed to analyze the geometrically nonlinear stability of slender structure.
基于上述理论，开发了可考虑几何非线性效应的细长结构稳定性分析软件。
Using nonlinear theory and simulation methods studied the stability range of each feedback coefficient and the stability character on the border point of stability range.
采用非线性理论和仿真计算的办法研究了各个反馈系数相应的稳定区间及稳定区间边界点上的稳定性。
The problem of stability in the numerical integration schemes of nonlinear dynamic analysis of structures is discussed by using matrix and norm theory on a rigorous and complete basis in this paper.
本文在严格、完整的基础上，利用矩阵范数理论研究了结构非线性动力分析中数值积分格式的稳定性问题，给出了判别单自由度非线性动力方程积分格式稳定性的一般数学准则。
From theory of root locus derived are the criteria of universal interest for stability of nonlinear system on the basis of equivalent gain, and methods for its qualitative and quantitive analyses.
本文用等效增益概念，根据根轨逊理论，导出了具有普遍意义的非线性系统稳定性的判别准则以及定性定量分析稳定性的方法。
An equation for describing the evolution of agricultural machinery products possessions was established and then its nonlinear chaos property with the theory of stability was pointed out.
该文建立了描述农机产品社会拥有量的演化方程，并指出该方程具有非线性混沌特性。
A new nonlinear output tacking controller has been designed in this paper, which combined the nonlinear stability inversion system theory with the single-neuron adaptation PID controller.
把非线性逆系统原理和单神经元自适应PID控制相结合，设计出一种新的非线性输出跟踪控制器。
In chapter 5, to improve transient stability of multi-infeed HVDC transmission systems, a kind of HVDC additional power modulator based on nonlinear variable structure theory is proposed.
在本文第五章中，为了提高多馈入交直流系统的暂态稳定性，提出一种直流非线性变结构附加功率调制器。
In chapter 5, to improve transient stability of multi-infeed HVDC transmission systems, a kind of HVDC additional power modulator based on nonlinear variable structure theory is proposed.
在本文第五章中，为了提高多馈入交直流系统的暂态稳定性，提出一种直流非线性变结构附加功率调制器。
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