critical damping

the dynamic characters ( natural frequencies and critical damping ratio) are also given by experimental research. it is shown that the analytical results are reliable and the rigid model is a feasible method for the pulsed reactor core structure-like.

动态特性实验研究表明，分析结果是可靠的，采用刚体模型处理脉冲堆堆芯结构这种类型的结构是一种行之有效的方法。

based on description method of damping motion in mechanical vibration, variables movement of generator are divided into two basic motion models: damping oscillation and critical damping motion.

借鉴机械振动中阻尼运动的描述方法，将低频振荡下发电机主要变量的运动归纳为阻尼振荡和临界阻尼两种基本运动形态；

generally, we want something inbetween, something closer to critical damping.

我们通常想两边讨好，更接近临界点阻尼。

the concepts of optimal normal pressure and critical damping characteristics between contact interfaces with dry friction damper are derived from a set of response amplitude versus frequencies under different friction damping values.

由不同的干摩擦阻尼下系统的幅频特性族曲线可导出阻尼的临界值，并导出干摩擦阻尼接触面正压力优化的概念。

damping is usually expressed as a percentage of critical damping.

阻尼器的值域通常用临界阻尼的百分比表示。

The AMA with constant voltage source exhibits damping character, while with constant current source it provides only a negative stiffness that lowers the critical speed of the rotor system.

当提供的电源为恒流源时，控制执行器仅提供负刚度，从而使整个支承刚度降低，转子临界转速下降，此时宜采用变刚度控制。

b conveyor corner frequency correcting unit correction coupling criterion critical damping cut off rate cut off frequency cybernetics

控制理论术语中英文对照表传送器，传送带，传送装置转折频率，交接频率执行器校正耦合判据，准则临界阻尼剪切率剪切频率控制论

an analysis of the vibrator in the critical damping states

振子临界阻尼的分析

a method of distinguishing between over damping vibration and critical damping vibration

过阻尼振动与临界阻尼振动的一种判别方法

Four parameter-tuning methods of PID controllers, i. e. critical proportional method ( Z-N method), Damping oscillatory method, robust PID Parameter Tuning method and ISTE optimal Parameter Tuning method are studied comparatively.

主要从比较的角度研究了适合典型工业过程的4种PID控制器参数的整定方法，包括临界比例度法、衰减曲线法、鲁棒PID参数整定法和ISTE最优参数整定法。

while it moves quickly, filter stops. furthermore, the critical damping is applied to avoiding jump while entering the quick state. 2.

快速移动时，停止滤波；并引入临界阻尼来消弱进入快速移动状态时的突变。

the energy analysis of critical damping characteristics of a linear oscillator

线性振子临界阻尼特性的能量分析

based on the dimensionless, stick-slip equation was simplified, deduced critical damping and critical damping ratio while the stick-slip vibration occurs, verified the rationality of the method that raise the rotation speed to cure stick-slip vibration.

通过无量纲化对粘滑振动方程进行简化，推导出了粘滑振动发生的临界条件及临界阻尼比，验证了通过提高转速来抑制粘滑振动的方法的合理性。

We show that there is thermal instability above a critical temperature T c. The effective mass and damping rate are proportional to gT and gT respectively.

发现在临界温度Tc以上存在热不稳定性，而有效温度和衰变率则分别正比于gT和gT。

this article analyses its irregular attenuated movement in the condition of over damping and critical damping.

分析了振子在过阻尼和临界阻尼情况下的非周期衰变运动。

critical damping of the second-order pendulum-like systems

二阶类摆系统的临界阻尼

Through the analyses of mathematics and mechanics this paper obtained a relationship between the uniformity coefficient AC of critical movement and the damping ratio ξ of motion system while the rotating parts revolve at low speed.

本文通过数学力学分析，得出了转动部件低速转动时临界运动均匀性系数AC与运动系统阻尼比ξ的关系。

this paper presents a concept of system damping ratio matrix and modal damping ratio matrix based on the critical damping matrix, extending the concept of damping ratio to the mdof system from sdof system.

本文将单自由度系统阻尼比的概念推广到多自由度系统，在临界阻尼矩阵的基础上提出了系统阻尼比矩阵和模态阻尼比矩阵的概念。

in order to realize the critical damping design and further enhance the output performance of a high-g accelerometer, effects of the width of damping gap, the characteristics of damping medium and the temperature of damping medium on shock response of component were studied with ansys technology.

为实现一种高量程加速度传感器的近临界阻尼设计以提高其输出性能，采用有限元方法分别研究了阻尼带隙宽度、阻尼介质特性及温度等对器件冲击性能的影响。

the general solutions for the free vibration of underdamping, critical damping, overdamping of cylindrical laminates was simply given in terms of the linear damp vibration theory.

依据线性阻尼振动理论，简要地给出了开口层合壳的欠阻尼、临界阻尼和过阻尼等三种自由运动的通解公式。

description of the x-t curve of the one dimension oscillator in the overdamping and critical damping states using microcomputer

一维振子的过阻尼与临界阻尼现象x-t曲线的计算机描绘