查询词典 stability

Different from most of the existing stability conditions, our stability criterion is independent of delay and has a very simple form which is easy to verify.

与大多数现有的稳定性条件不同，我们的稳定性判据与时延无关且具有非常简单的形式，易于验证。

As the applications of the result in this paper,the problem of absolute stability is considered,then the time-varying circle criterion and other stability criteria are given.

最后，作为前面结果的一个应用，将所得的结果应用到绝对稳定性问题中，得到了时变的圆判据和其他的一些稳定性判据。

On this basis, an angle stability criterion is proposed by which the angle stability of power system can be conveniently judged.

该微分方程组描述了相点在一维坐标轴上的运动，可用于观察电力系统的功角稳定性。

In this paper the similarity of static stability of air floating structure and the relation between static stability and arrangement of cylinder group are investigated.

分析了环境压力对气浮结构相似性的影响，讨论了气浮筒群结构的静稳性与筒群布置的关系。

As shown by three-dimensional analysis of segmental stability, the specimens lost their stability after impact in high-energy group.

节段遭受爆裂骨折的破坏能量、撞击力可作为损伤阈值的有效指标，而撞击速度、加速度、速度及位移大小仅可作为损伤限量的参考值。

Analysis with numerical simulation shows that the equilibrium may not change its stability at all or changes its stability up to a finite number of times.

研究表明，系统在不同参数控制下，平衡点的稳定性可以不发生改变，也可以发生多次稳定性切换。

This is not only conducive to the stability and development of Afghanistan, but also crucial to the security and stability of the region.

这不仅有利于阿自身的稳定和发展，对维持本地区的安全与稳定也至关重要。

The stability of the improved Elman neural networks is proved in the sense of Lyapunov stability theory. The optimal adaptive learning rates are obtained, which can guarantee the stable convergence of the improved Elman networks.

在Lyapunov稳定性意义下分别给出了改进网络的稳定性证明，得到了保证网络稳定收敛的最佳自适应学习速率。

The stability of system equilibrium point and the existence condition of 3-D Hopf bifurcation as well as the stability of hence generated periodic solution were analyzed, so that the existence of limit cycles on the two-dimensional stable manifold of one microbial species and its nutrition was verified when other one had the disadvantage in the competition so as to become extinct.

研究当营养消耗率δ1＝δ1为一般的非减连续函数和δ2＝常数的三维Chemostat模型，分析系统平衡点的稳定性，三维系统经历Hopf分支的条件和由此产生的周期解的德定性，证明系统中某一微生物物种处于竞争劣势而趋于灭绝时另一微生物物种和营养的二维稳定流形上极限环的存在性。

First, a switching function is designed to guarantee that the movement of the system is asymptotically stable in the switching manifold. And the equation of the switching surface is given based on pole assignment theorem; Then a discrete robust adaptive quasi-sliding-mode tracking controller is presented by constructing the two adaptive gains, and the globally asymptotically stability of the system is proved based on the Lyapunov-Razumikhin stability theorem.

首先，利用广义系统的概念给出了系数矩阵为能控标准型的滑模面方程，并利用极点配置定理给出了能使系统稳定的滑模面；其次，构造了含有自适应律的离散趋近律，设计了能够使系统达到同步的变结构控制器，并利用Lyapunov稳定性定理，证明了系统的趋近运动的稳定性。

Nowadays, most of research are to build a transmutative Petri Nets through adding controlling place sets, controlling arc sets and controlling policy to the basic Petri Nets, while the Controlled Petri Nets could be used to argue many controlling theory problems conveniently and to induce many logically and physically supervisory and solve the Event Feedback Controlling Problems and State Feedback Controlling Problem in DEDS supervisory theory.

目前大多数的研究表现为在变形后的受控Petri网基础上，利用各种方法求得各种逻辑型、结构型控制器，解决DEDS监控理论中的事件反馈控制问题与状态反馈控制问题。

On one hand, there are discussions with the works council and union about extension of short time working up to the end of September.

一方面，有讨论，工程理事会和联盟关于延长工作时间短至9月底。