查询词典 damping-off

The conversion of energy function during oscillation period is analyzed and damping control strategy of reducing oscillation energy is proposed which aims at reducing oscillation energy to zero as quickly as possible, namely returns to the steady state position after fault.

第二部分采用Prony分析辨识系统传递函数，用补偿留数相位的方法设计FACTS阻尼控制器，提出了输入信号的选择方法。

It will be seen that short engagements inadequate damping and high values of "a" result in oscillatory responses.

可以看出，"短"拦截，不适当的阻尼系数和高的"a"值都会发生振荡的响应曲线。

The mechanical mathematics model of system was built, and the computer numerical value simulation was carried out. Taking the rotation speed and damping as the furcation parameters and combining with Poincare sectional view, oscillogram, phase plane plot, locus of axle center, power spectrum graph and self correlative functional diagram, the kinetic status of system was analyzed.

建立了系统力学数学模型，进行计算机数值模拟，以转速和阻尼为分叉参数，结合Poincare截面图、波形图、相平面图、轴心轨迹图、功率谱图和自相关函数图，分析了系统的运动状态。

Further, compared with the standard response spectrum of our country, the results showed that the values of the elasto-plastic acceleration response spectra in the long period cycles are overhigh, damping attenuation coefficients are also larger.

进一步比较弹塑性反应谱和我国规范得到的反应谱，结果显示规范的加速度反应谱在长周期段谱值过大，阻尼衰减系数也较大。基于单质点弹塑性地震分析的结果，在我国规范反应谱公式的基础上提出的隔震结构弹塑性反应谱公式。

Papering over some of the party's history has helped them too, damping public demands for political change.

现在，遮掩党的某些历史对于他们来说是有帮助的，这样才能压抑人民政治改革的要求。

Each hydraulic link of 6-DOF parallel robot is treated as an open joint-link chain. Each link's local coordinate frames is established according to the position and orientation of the component of the spatial mechanism. The stiffness and damping matrices of the link are transformed into the static gross coordinate frame through transfer matrix described by the RPY description method. The differential equation of motion of the system vibration is derived.

将6-DOF并联机器人的液压分支作为假想的单开链，由空间机构的位姿建立其组成构件的局部坐标系，并利用RPY角描述方法，通过转移矩阵将各构件的刚度及阻尼矩阵依次转移到固定坐标系中，得到了系统振动的运动微分方程。

The analysis results show that PAPF is effective for parallel resonance damping, but can not damp series resonance when capacitor current is not included in the detecting current. And when capacitor current is included in the detecting current, PAPF is prone to be unstable and can not damp parallel and series resonance.

分析表明，由于无功补偿电容器的影响，传统控制策略下的PAPF对系统谐振的抑制效果不理想，同时当检测的负载电流中包括无功补偿电容器电流时，系统还有可能出现不稳定的现象。

Then a novel control method of PAPF is proposed. PAPF with the proposed control method has excellent performance in damping of both parallel resonance and series resonance, whether the capacitor current is included in the detecting current of PAPF or not. Also the PAPF with proposed method has strong ability in harmonic compensation.

针对这种情况该文提出了一种新的PAPF控制策略，该控制策略可以在进行谐波治理的同时有效抑制负载谐波电流或者系统谐波电压造成的并联电容器与电网阻抗之间的谐振。

At last, with this finite element model, this dissertation gave a relatively complete analysis to the lateral seismic nonlinear dynamic responses of the single pile, and analyzed the pile head's response spectrum, earthquake Fouriers spectrum, then a test parametric sensitivity analysis was taken into consideration, including modulus ratio of pile to soil, soil material damping ratio, earthquake input level.

第二，利用该有限元模型，较为全面地研究了地震荷载作用下的单桩横向非线性动力响应，分析了桩头反应谱、地震波傅里叶谱等，进行了桩土弹性模量比、土体材料阻尼比、地震动输入水平等因素对单桩横向非线性动力响应的参数敏感性分析。

At last, the MC method,PPEM, and the frequency transfer function perturbation method have been used to analyze the effect of structural random damping onstructural displacement.

在论文的最后，利用Monte Carlo法、摄动虚拟激励法、频域传递函数摄动法研究结构随机阻尼对结构位移响应的影响。

"Yes, now you can give yourself airs," she said, you have got what you wanted.

"对了，您现在高兴了，"她说道，这是您所期待的。

Then the LORD said to me: Rebel Israel is inwardly more just than traitorous Judah.

上主于是对我说：＂失节的以色列比失信的犹大，更显得正义。