查询词典 equilibrium point

The control aim was realized. Based on special sliding-mode control with parameter identification, the unified chaos was led to unstable equilibrium point.

基于特殊的滑模控制方法结合参数辨识对含有未知参数的统一混沌系统实现了不稳定不动点的跟踪控制。

C' is the first known homogenous object with one stable and one unstable equilibrium point, thus with two equilibria altogether on a horizontal surface.

贡博茨'是第一个已知的同质对象，一个稳定的和一个不稳定的平衡点，从而完全有两个均衡水平上的表面。

A transient angle unstable mode of power system closely relates to a controlling unstable equilibrium point.

电力系统暂态功角失稳模式同相关不稳定平衡点密切相关。

A sufficient condition is derived under which the unstable equilibrium point of the advertising strategy can be stabilized by advertising control at discrete moments, and a theorem on the stability of impulsive control system is derived.

在离散时刻引入广告控制，给出使得广告策略的不稳定平衡点达到稳定的充分条件，得到了脉冲控制系统稳定的一个定理。

In this paper, we firstly make some qualitative analysis to Lorenz critical chaotic system, and then lead it to the corresponding unstable equilibrium point and periodic orbits in terms of the linear state feedback approach. Then we make a lot of simulations which indicate this method to be feasible. Fractional-order system, as well as Lyapunov exponent, has been used as a powerful tool for the quantitative study of chaotic systems.

本文首先对Lorenz临界混沌系统进行基本定性分析，然后利用线性状态反馈方法将其制到相应的不稳定的平衡点与周期轨道上来，并证明了被控制的Lorenz临界系统是全局渐进稳定的，并对取得的结果作了大量的数值模拟，模拟结果证实该控制方法简单有效可行。

The calculation of controlling unstable equilibrium point of a post fault power system is transformed to nonlinear least squares issue. The Jacobi matrix, Hessian matrix and the residue formula are derived. It is found that the residue is changed in the calculating process, so it is appropriate to use the switch method to solve the problem.

将计算电力系统故障后的主导不稳定平衡点的问题转化为最小二乘问题，推导了计算所需要的雅可比矩阵、海山阵以及计算过程的残量公式，发现残量随著计算过程而变化，因此该问题适合于采用开关算法。

An analysis is made of the existence, uniqueness and globally asymptotical stability of the equilibrium point of Hopfield neural networks.

研究一类Hopfield型神经网络的平衡点的存在性、唯一性和全局稳定性。

The floristic equilibrium point and its biogeographic significance are important for understanding the floristic origin, distribution, and spatial patterns of plant diversity.

了解植物区系平衡点及其生物地理意义对于理解植物区系的起源、分化以及生物多样性空间格局的形成等方面均具有重要意义。

This paper studies the exponential stability of cellular neural networks with time- varying delay by making use of the homoeomorphism theory, the idea of vector Lyapunov function, M- matrix theory and inequality - technique, offering the grounds for uniqueness of equilibrium point existence and the global exponential stability and estimating the exponential convergence rate index.

利用同胚映射理论、向量Lyapunov函数思想、M-矩阵理论和不等式技术，研究了具有变时滞的细胞神经网络模型的全局指数稳定性，给出了判定平衡点的存在唯一性以及全局指数稳定性的一个判据，并且估计了收敛速度指标。

The stability and the periodic nature of the positive solutions ofare considered, we will prove that there exist monotonical solutions and converge to the unique positive equilibrium point of the equation ifα≠β.

第四章讨论了方程的全局稳定性，其中F=fx_(n-r1，x_(n-r2)，…，x_，G=gx_(n-m1，x_(n-m2)，…，x_，H=Hx_(n-p1，x_(n-p2)，…，x_，并给出了x=1是方程的唯一正解且全局渐进稳定的充分条件。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。