查询词典 stability region

Furthermore,according to the method of Liapunov function s in the stability theory,both the globally asymptotic stability and the attractive regions of the nonnegative equilibrium in the model are discussed.

同时，对系统解的吸引域以及平衡态的全局稳定性，采用李雅普诺夫函数法进行完整的讨论。

In order to study the stability of longitudinal following control system of vehicle in automated highway system,the following errors of vehicles were analyzed,a mathematic model of infinite-dimensional nonlinear interconnected large-scale system with delays was constructed,and the stability of the system was studied by applying vector Liapunov function .

为了提高自动化高速公路车辆纵向跟随控制系统的稳定性，建立了关于车辆跟随误差的具有时间滞后的无限维非线性关联大系统模型，应用向量李雅普诺夫函数对大系统的稳定性进行了分析。

By the analysis of dive and horizontal plane nonlinear model, the catastrophe model on de dive plane is deduced, and catastrophe stability is analysized. In the horizontal plane, simplified equation is gained by center manifold theory, then draws the conclusion that the stability of limit circle arises from critical point is relate to small difference of move point and critical point.

通过对潜艇垂直面和水平面非线性运动模型进行分析，导出垂直面运动的突变控制模型，并进行了突变稳定性分析；在水平面运动的非线性分析中，通过中心流形定理简化方程，得出临界点处极限环的稳定性与微差占的符号有关的结论，这样在无法或很难得到李亚普诺夫函数的情况下，可以通过这种方法判别临界点的稳定性。

Limit analysis finite element method ; slope stability analysis ; ultimate bearing capacity of foundations ; tunnel stability.

极限分析有限元法；边坡稳定分析；地基极限承载力；隧道稳定性

Appraising the current methods of slope stability, the paper puts forward Finite Element Plastic Limit Analysis of the slope stability subjected to pore water pressure.

本论文对目前用于边坡稳定性评价的主要方法进行了研究对比后，提出了考虑孔隙水压力条件下的边坡有限元塑性极限分析法。

Limit state finite element method ; slope stability analysis ; ultimate bearing capacity of foundations ; tunnel stability

极限分析有限元法；有限元强度折减法：边坡稳定分析：地基极限承载力；隧道稳定性

By analyzing forces on a single tyre and adhesive performance on whole forklift,a relation of adhesive coefficients to sliding direction is set up,rub coefficients and adhesive limit are analyzed,a relation of multi-directional electrical forklift static stability to its adhesive performance is set up,a method judging un-stability of a multi-directional electrical forkl.

为了研究万向电动叉车的静态稳定性，通过对单只轮胎受力、整车附着性能进行分析，建立了附着系数与滑动方向间的关系，提出了用静态区域图判断万向电动叉车失稳的方法，得到了整车下滑坡度角随方向角变化的关系曲线。

Linear Fractional Transformation is adopted to translate the control of perturbation to the control of disturbance, then cost index is augmented, and with the min-max method, a robust receding horizon control law is derived. The sufficient conditions for the existence of the control law and closed-loop stability are also presented. The result is extended to time-invariant system with an infinite horizon, and its consistence with the robust control based on the concept of Quadratic Stability is verified.

首先利用线性分式变换，将摄动系统的鲁棒控制问题转化为对扰动系统的鲁棒控制问题；然后通过对性能指标的扩展，利用min-max方法，得到了鲁棒滚动时域控制律，并给出了其存在和使闭环系统渐近稳定的充分条件，并将结果扩展到对定常系统时域无穷的的情况，指出其与现有的基于二次型稳定概念提出的鲁棒控制的一致性。

Chapter 4 discusses the stability of a class of nonlinear impulsive partial differential equations. The main idea is translating the stability of the considered nonlinear impulsive partial differential equation into that of the corresponding linear impulsive ordinary differential equation via Gronwall-Bellman inequality with impulse on the basis of comparison theorem.

第四章基于比较定理，主要利用含脉冲的Gronwall-Bellman不等式初步讨论了脉冲偏微分系统的稳定性，将一类非线性脉冲偏微分方程的稳定性化归为线性脉冲常微分方程的稳定性，为将脉冲常微分方程稳定性的有关结论推广到脉冲偏微分方程提供了理论依据并奠定了基础。

Based on the stability theory of fractional-order linear system,stability of the proposed method is analysed.

基于分数阶线性系统的稳定性理论，分析了该方法的稳定性。

More direct, directer ; most direct, directest

径直的，笔直的

Do you know how to use a chain saw?

你知道如何使用链锯吗？