It is indicated that the low damping mode can augment the norm of the coprime factor perturbation and as a result the domain of the actual admissible perturbation is reduced.
论文中给出了控制器之所以会失去鲁棒性,是因为弱阻尼模态增大了互质因子摄动的范数,从而缩小了模型的实际允许摄动范围。
In sport mode, the system switches to harder damping, thereby enabling even better dynamism on the racetrack.
在运动模式,系统开关到硬的阻尼,从而更好的活力在赛马。
The natural frequency, damping ratio and mode shape of a multi-degree-of-freedom system are analyzed and the identified results are in good agreement with the theoretical values.
并针对一多自由度系统具体论述了固有频率、阻尼比和振型的识别方法,识别结果与理论结果吻合较好。
In this paper, the ICRF fast wave mode-conversion and correlative damping mechanism in an inhomogeneous hot plasma are investigated for the configuration of tokamak by using the kinetic theory.
本文对托卡马克位形,用动力理论研究了非均匀热等离子体的ICRF快波模转换及有关的阻尼机制。
With the equivalent medium theory, the dispersion curves are worked out to demonstrate the effects of damping on retarded mode.
应用等效介质理论进行求解,色散曲线揭示了阻尼对推迟模式的影响。
In general, the variation of structure parameters has more effect on the mean values of mode than those of modal frequencies and modal damping ratios.
第一阶模态振型相对均值系统的变化很小。一般地,结构参数的随机变异对模态振型均值的影响大于对模态频率、模态阻尼比均值的影响。
The frequencies and damping time of the quasinormal oscillations called "quasinormal mode" (QNM) are determined only by the black hole's parameters and independent of the initial perturbations.
似正常振荡阶段的振荡频率和衰减时间被称为似正规模,与初始扰动无关,主要由黑洞的参数决定。
Since the damping matrix in the motion equation of damped blade is no longer decoupled as Rayleigh damping, so the complex mode theory is introduced in this paper to overcome the difficulty.
由于带阻尼围带或凸肩叶片(以下简称阻尼叶片)的运动方程中的阻尼矩阵是非解耦的矩阵,只有引入复模态理论才能圆满解决其特征问题的求解。
The damping factor of the most unstable mode shape of mistuned blade system is chosen as the cost function of optimization.
选取非均匀叶片系统中最不稳定振型的阻尼因子作为优化模型的目标函数。
Effective damping also can happen to the special mode by designing a suitable resonant loop.
利用适当设计的谐振环路,亦可对特定频率的危险寄生模,进行有效的阻尼。
The influence of HVDC converter controls on the mode damping of sub-synchronous oscillations (SSO) in a AC/DC power system is investigated in this paper by using eigenvalue analytical method.
采用特征值分析法研究交直流电力系统中HVDC换流器控制对次同步振荡(SSO)模态阻尼的影响。
It shows that the viscosity offers only little effect on lower mode of dispersion curve, and it effects on higher mode of dispersion curve with the increasing of damping.
理论计算发现粘弹体的粘滞项对频散低阶模式影响不大,但随着粘滞的增大对高阶模式可产生影响。
We study dynamics of quantum nonlocality and entanglement for a two-mode squeezed vacuum state in a phase damping channel.
研究了双模真空压缩态在相阻尼情况下的非定域动力学和纠缠特性。
In this paper, the contribution of high order mode shape to the frequency response function of disproportional damping structure is expressed by using low order mode shape and system matrix.
本文用低阶模态和系统矩阵表达高阶模态对非比例阻尼结构频响函数的贡献。
The displacement of each mode is determined by a balance between the energy fed into the riser over lock-in regions and the energy dissipated by the fluid damping over the remainder.
各阶模态的响应位移通过平衡涡激锁定区域内柱体的输入能量与非锁定区内流体阻尼的耗散能量计算得到。
Mode is structure's inherence characteristics, each mode has specifically resonant frequencies, damping values, mode shapes, mode stiffness and mode mass.
模态是结构的固有振动特性,每一阶模态都具有特定的固有频率、阻尼比、振型、模态刚度和模态质量。
This paper investigates the feasibility of damping multi-mode oscillations using unified power flow controller (UPFC) in a multi-machine power system.
研究了多机系统中使用统一潮流控制器(UPFC)抑制电力系统多模态振荡的可行性。
It is demonstrated with mode-pair model that as the impact force become larger, the mode distance tend to increase, and the damping tend to stability.
结论是在模态对模型下,冲击力增大时,模态距离呈增大趋势,而地震检波器的阻尼趋于稳定。
The results show that the vibration characteristics of the tower in two horizontal directions are slightly distinct, and the damping ratio of the first mode is greater than that of the second mode.
本文分析结果表明,在两水平方向上木塔的振动特性存在些微差异,第一振型阻尼比较第二振型阻尼比大。
The first ten natural frequencies, damping ratios and mode shapes of the dam were measured through steady forced vibration test using multiple vibrators.
用多台起振机进行稳态强迫振动试验,测定了该坝前十阶自振频率、阻尼和振型。
As a result, we obtained the damping effect of frame structure with viscoelastic damper and established the reasonable arrangement mode.
最终确定了拉延筋的合理布置方式,并将优化结果应用于实际生产。
The result shows that this is an effective method for indoor air damping. It will give us some guidance on solving the trouble of air damping when the air conditioner works on heat mode.
结果表明这是一条行之有效的室内加湿方法,对于解决空调制热时室内空气干燥的问题具有一定的实践与指导意义。
The result shows that this is an effective method for indoor air damping. It will give us some guidance on solving the trouble of air damping when the air conditioner works on heat mode.
结果表明这是一条行之有效的室内加湿方法,对于解决空调制热时室内空气干燥的问题具有一定的实践与指导意义。
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