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- unstable equilibrium position 不稳定平衡位置
- A rapid linear motion of a particle or of an elastic solid about an equilibrium position. 振动在一个平衡位置附近一个粒子或弹性固体迅速的直线运动
- Amplitude: the biggest distance that object leaves equilibrium position. 振幅:振动物体离开平衡位置的最大距离。
- A new method based on adjoint system and minus system to compute unstable equilibrium points on the stability boundary of power system classical model is proposed. 提出一种基于伴随系统和变号系统的求解电力系统经典模型稳定边界上不稳定平衡点的方法。
- This paper analyses the dynamics of rotary inverted pendulum system and linearizes the pendulum system at the unstable equilibrium point at the "inverted" state. 摘要通过分析环型二级倒立摆系统的动力学特性，将系统的状态空间方程在“倒立”的平衡点附近进行线性化处理，应用线性二次型优控制策略。
- When pulled to one side of its equilibrium position and released, the pendulum bob vibrates about this position. 把此质点作为摆锤拉到平衡位置的一侧，然后释放，摆锤就在平衡位置附近摆动。
- We find that the equilibrium position of duopoly is increasing functions of the function non-substitutive rate. 研究发现，双寡头企业产品的均衡定位是功能非替代率的增函数；
- The essential problem is expounded as the form-finding analysis of a slack cable-strut system of with comperents loose lengths and under geometrically unstable equilibrium state maintained by its deadweight with given loose lengths of components. 根据力密度法的思想，本文提出了一种松弛索杆体系几何非稳定平衡形态的通用找形方法。
- The BCU method is a systematic method to find the controlling unstable equilibrium point. Compared with other methods it is more effective in terms of its reliability and the required computation efforts. BCU方法是一种寻找相关不稳定平衡点的系统方法 ;与其它方法相比 ;它在可靠性和计算量方面更为有效 .
- The dynamics in the yaw movement of self-steering EEF bogie is similar to that of the pendulum whose natural frequency depends on the tread gradient of equilibrium position. 自调节独立车轮轮副的摇头运动类似于单摆，其频率取决于接触点的踏面锥度。
- Unable to calculate static equilibrium position. Iterations did not converge. An initial position closer to the actual static equilibrium position may improve the situation. 我自己认为是建立的有限元模型质量分布不合理，可是反复修改后，还是一直报错。请各位前辈指教一下，感激万分！
- The results have shown that its rigidity is not only related to pressure and volume at the static equilibrium position, but also to the changing rates of area and volume. 计算表明空气弹簧的刚度不仅与其静平衡位置时的压力和容积有关，还与其有效面积变化率和体积变化率有关。
- Analysis shows that the equilibrium position maximizes the benefit of all participants, provided no individual buyer or seller can influence market prices. 分析指出，均衡位置能是参与者的利益最大化，但前提是，所有独立的买者和卖者都不干涉市场价格。
- Standard feedback control and delay feedback control are employed to stabilize the system to an unstable equilibria. 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。
- stabilization of unstable equilibrium point 不稳定平衡点
- controlling unstable equilibrium point 主导不稳定平衡点
- After the action of an initial disturbance, the vibration of a system around its equilibrium position under the action of only a restoring force is called an undamped free vibration. 物体受到初干扰后，仅在系统的恢复力作用下在其平衡位置附近的振动称为无阻尼自由振动。
- In order to cover the shortage of OGY method that needs an adjustable parameter of the system in(advance,) a simple control method based on state feedback and parameter adjustment is proposed to stabilize the unstable equilibria of chaotic systems. 针对OGY方法需要预先找到系统的一个可调参数的不足;基于状态反馈和参数调整;提出了稳定混沌系统不稳定平衡点的一种简单控制方法.
- ISS method was proposed based on the theory of input-to-state stable.Some nonlinear feedback controllers were designed to globally stabilize the unstable equilibria of a new chotic system. 对于连续混沌动力学系统,提出了基于输入状态稳定的控制方法:ISS控制方法,使用该方法实现了一类新混沌系统的不稳定平衡点的全局镇定和混沌同步。
- Because of their inertia, the electrons will overshoot and oscillate around their equilibrium positions with a characteristic frequency known as the plasma frequency. 因为电子的惯性，它们将冲过平衡位置，并以特征频率围绕它们的平衡位置振荡。
