欠阻尼

以二阶欠阻尼控制系统的设计为例，优化出系统的最佳阻尼比。

An example of finding optimal damped ratio in second order underdamped control system is given .

运用二阶龙格-库塔方法，对一维倾斜周期势中的欠阻尼运动进行了计算机模拟。

The underdamped motion of the Brownian particle in a tilted periodic potential was mulated by Runge-Kutta algorithms .

欠阻尼对象的最优PID控制器参数整定方法

Optimal Tuning of PID Controllers for Under-Damped Systems Objects

研究了带有纯延迟的欠阻尼对象最优PID控制器的参数整定及性能鲁棒性评价问题。

This paper studies optimal tuning of PID controllers and its robust performance evaluation for under-damped plants with time delay .

该算法基于RLC模型，可以得到各种不同的阻尼响应，包括欠阻尼振荡，而Elmore时延只能反应呈单调变化的过阻尼响应。

With the RLC model , the algorithm considers all damping conditions including under-damped response , however , the Elmore delay can only represent over-damped response with monotone nature .

采用输入级源退化电阻及输出级负反馈技术，使得差分输出峰峰值为1V时三阶谐波失真达到-60dB.同时利用反馈环路中反馈电容的欠阻尼滞后补偿作用，使放大器的带宽增大了15%。

A better than - 60 dB 3rd harmonic distortion at differential output level of 1 V peak-to-peak is obtained by utilizing the source-degeneration resistors and negative feedback technology . The bandwidth is extended by 15 % at the effect of the feedback capacitor .

周期调制互关联双态噪声驱动欠阻尼谐振子系统的随机共振炭粒传声器中的短周期电阻变化

Stochastic Resonance in Underdamped Harmonic Oscillator with Time Modulated Cross-correlated Dichotomous Noise

一般导弹都是欠阻尼的。

Generally speaking , missile is always underdamping .

二阶欠阻尼系统动态参数的自动测定

Dynamic Parameter Estimation of a Second-Order Underdamped System

确定性欠阻尼棘齿系统中的周期吸引子共存现象

Coexisting of Periodic Attractor in Deterministic Underdamped Ratchets

然而，小型无人直升机高度的欠阻尼特性使其抗风能力普遍不佳。

However , the highly underdamped characteristic of small-scale helicopter makes it have poor wind resistant ability .

得出欠阻尼、过阻尼与金属接地情况下零模电流的振荡方式。

Draw the underdamped , over the way of damping and the case of the metal ground zero mode current oscillation . 4 .

研究了确定性欠阻尼棘齿系统中的锁相问题，发现系统可以同时存在3个周期吸引子。

Phase locking in deterministic underdamped ratchets is studied . It is found that three periodic rotating orbits can coexist in the system .

本文从一个由加性噪声和乘性噪声驱动的朗之万方程出发，研究了欠阻尼动力学系统涨落势垒作用下的扩散性质。

We apply a Langevin model by imposing additive and multiplicative noises to study thermally activated diffusion over a fluctuating barrier in underdamped dynamics .

利用JGYW2型双单摆振动示波装置对两个相互垂直方向的同频率欠阻尼振动的合成进行了实验研究和理论分析，得到了欠阻尼振动合成的部分图形和表达式。

The synthesis of under-damping vibrations with the same frequency at two mutual vertical directions is studied and investigated using Model JGYW-2 double-single vibration apparatus .

对于欠阻尼二阶系统，计算其单位阶跃响应的指标调整时间一直采用经典的近似方法。

With second - order system of lacking damper , the formula of regulation time of unit step re - sponse always is a classical approximation .

并且，本文将误差分布控制的思想应用于非线性欠阻尼动态电路的时域模拟，使模拟效率达到最优。

Furthermore , the methodology of error distribution control is applied in time domain simulation for lightly damped nonlinear dynamic circuit and results in high efficiency .

为获得所需的电流脉冲，分析了主回路过阻尼和欠阻尼的设计方法，同时也分析了主回路中的杂散电感及杂散电容，分别给出了两者的估算方法及减小措施。

To get the pulse that needed , the design technique for damp circuit and the way to induce the stray inductance and capacitance are analyzed .

提出了一种适用于实验测量欠阻尼系统阻尼比的方法，即通过计算相邻两个周期波形的面积之比来测定系统的阻尼比。

A new method of estimating damp ratio of a underdamped system is presented by calculating area ratio of two contiguous periods , which is applicable to experimentation .

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。

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 .

通过对汽油机自动调节过程的分析，得出装有数字电子调速器的汽油发电机组是一个一阶惯性环节与一个二阶欠阻尼环节的串联。

It concludes that the gasoline generator with a digital electronic governor are a first order inertia and a two steps under damping linking after analyses the automatic control process of the gasoline engine .

实验模态分析结果表明，具有非比例阻尼的结构振动系统，在欠阻尼范围内，系统是可以成为亏损的；对于亏损系统，其频响特性只有用广义模态理论才能正确地描述。

The results of the experiments and the identifications show that the structural vibration system with non-proportional damping may become a defective system within underdamped case and frequency-response properties of a defective system can be correctly expressed only by the generalized mode theory .