不稳定平衡

数值模拟进一步验证了这种反馈控制方法可成功将Liu系统混沌运动轨道镇定到不稳定平衡点或不稳定周期轨道，即极限环上。

Numerical simulations show that the method can both suppress chaos to unstable equilibrium points and unstable periodic orbits ( limit cycles ) successfully .

对镇定一嵌入在Lorenz混沌吸引子内的不稳定平衡点上的混沌轨道提出了一种利用进化RBF网控制混沌系统的新方法。

A new method of chaotic control with evolutionary RBF neural network is presented for stabilizing chaotic orbits on an unstable equilibrium embeded within a Lorenz chaotic attractor .

常用电力系统P-V曲线的下半部分包含有不稳定平衡点随功率P变化的丰富信息。

The lower part of PV curve contains abundant information about UEP bifurcating as power changes .

在AB范围内，这个平衡既不是稳定平衡也不是不稳定平衡，这就是为什么叫做随遇平衡的原因。

In the range AB , the equilibrium is neither stable nor unstable , that is why it is called neutral equilibrium .

分析了AFM悬臂梁弹性力同针尖接触力的关系，发现了引起AFM“突跳”的本质是弹性力同接触力的不稳定平衡问题；

The relationship between the plastic force of the cantilever and the adhesion of the AFM is discussed . The reason for the AFM " snap back " is discovered .

主导不稳定平衡点（CUEP）的计算在电力系统暂态稳定分析直接法中具有重要意义。

Most of the methods determine the stability boundary in case of the given controlling unstable equilibrium point ( CUEP ) .

提出一种将Brown算法与重新选择参考点的策略相结合求解电力系统暂态稳定性直接法分析中主导不稳定平衡点（Controlling-UEP）的新方法。

A new method to calculate the Controlling-UEP in the direct method of transient stability of power system is proposed , which combines the Brown algorithm with the strategy of the reselection of the reference bus .

我们根据这一原理，研制了不稳定平衡旋转训练仪。

By this principle we developed a training equipment of non-stabilized equilibrium .

一个新混沌系统不稳定平衡点的镇定

Stabilization of unstable equilibrium points in a new chaotic system

一种寻找正确相关不稳定平衡点的基准方法

Standard method for finding correct controlling unstable equilibrium point

基于伴随系统理论的电力系统主导不稳定平衡点求解方法

Computing the Controlling Unstable Equilibrium Point Based on the Theory of Adjoint Systems

基于状态反馈和参数调整稳定混沌系统的不稳定平衡点

Stabilizing Unstable Equilibria of Chaotic Systems Based on State Feedback and Parameter Adjustment

暂态电压失稳模式的主导不稳定平衡点计算失衡失去平衡的状态

Computation of Controlling Unstable Equilibrium Point Corresponding to Instability Mode of Transient Voltage

提出了一种利用连续法求解电力系统相关不稳定平衡点的方法。

Controlling UEP Method of Stability Analysis in Network Structure Preserving Power System Model ;

电力网络拓扑与Ⅰ型相关不稳定平衡点的定量关系

The Quantitative Relationship Between The Topology of Network And The Controlling UEP-1 of Power System

进而，以该邻域内近似稳定边界上的点作为初值沿时间逆向积分，即采用逆轨迹来近似不稳定平衡点的稳定流形，从而实现了对稳定域的估计。

Hence the stability boundary is approximated by a series of trajectories in reverse time .

应用开关算法计算电力系统中的主导不稳定平衡点

Application of Switch Method to Calculate the Controlling Unstable Equilibrium Point of Electric Power System

你们看，这就是，稳定平衡和，不稳定平衡的区别。

So you see , that 's the difference between stable equilibrium and unstable equilibrium .

不稳定平衡点与暂态稳定性

Unstable equilibrium points and transient stability

改进伴随系统法求解电力系统主导不稳定平衡点

Modification to Adjoint System Method for Computing the Controlling Unstable Equilibrium Point of Post-fault Power System

利用标准反馈控制与时滞反馈控制实现系统不稳定平衡点的镇定。

Standard feedback control and delay feedback control are employed to stabilize the system to an unstable equilibria .

在此基础上，该文运用偏微分方程的二阶近似解，即二次超曲面，来近似不稳定平衡点局部的稳定域边界。

Furthermore , local stability boundary of the unstable equilibrium points is approximated by the second order hyper surfaces .

暂态功角稳定不稳定平衡点类型和临界割集数量的对应关系

Relationship between the Number of Critical Cut-sets and the Type of Unstable Equilibrium Point with Respect to Transient Angle Stability

提出了一种基于伴随系统理论的电力系统主导不稳定平衡点的求解方法。

A new method based on the theory of adjoint systems to compute the controlling unstable equilibrium point is presented .

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 transient angle unstable mode of power system closely relates to a controlling unstable equilibrium point ( UEP ) .

主要讨论细胞神经网络中的一类特殊奇异吸引子，它由两个稳定平衡点和一个不稳定平衡点（鞍点）及其流形形成。

A sort of special strange attractors which are made up of two stable equilibria and one saddle is discussed chiefly .

通过实验和有限元研究，揭示了电机动子的空载平衡特性。指出电机动子存在一个不稳定平衡点和二个稳定平衡点，在实验中，对其位置进行了测量。

The equilibrium characteristic of mover discovered in the experimental study reveals that there exist one unsteady and two steady equilibrium points .

直接法；电力系统暂态稳定；扩展等面积准则；势能边界面；相关不稳定平衡点；

Direct method ; Power system transient stability ; Extended equal area crit-erion ; Potential energy boundary surface ; Relevant unstable equilibrium point ;

通过对IEEE39节点电力系统的实际仿真结果表明，该方法可以快速准确地求解电力系统的主导不稳定平衡点。

Simulation results on the power systems of IEEE-39 nodes prove that the method can find the controlling equilibrium point of power systems quickly .

它采用机械的手段，给运动员提供了一个更加不稳定平衡的转体环境，可以提高运动员在转体过程中维持身体平衡的能力。

By use of mechanical method , it may provide a more non-stabilized equilibrium condition to improve the ability of keeping body balance in the rotation .