本发明的一种测试阻尼器阻尼率的加载装置,属于空间应用设备技术领域。
The invention relates to a loading device for testing a damping ratio of a damper, which belongs to the technical field of space application equipment.
光线示波器振子的阻尼率是一个重要的特性参数,对振子的动态特性有很大影响。
Damping rate of the vibrator of the oscillograph is one of the important parameters, as it effects the dynamic characteristics of the vibrator.
结果表明:温度阻尼率与节能效率对相变蓄能建筑材料的节能评价具有重要意义。
The results show that the temperature damping rate and energy efficiency rate play very important roles to evaluate the energy efficiency extent of the materials.
分析认为,氧化锌晶须渗入在复材中将形成微观的阻尼结构,起到降低固有振动频率和增大衰减率的作用。
By the analysis penetration of ZnOw into the compound board will compose a microscopic damping structure, which can reduce the vibration frequency and increase the damping ratio.
最后,提出通过增加传动系扭转阻尼来防止在任何初始滑转率下发生剧烈的扭转自激振动的措施。
At last, it is put forward that the severe self-excited torsional vibration due to any range of initial slip rate can be avoided by increasing the torsional damping of the driveline.
研究含外力和阻尼项一类梁的横振动方程解的率减率。
We study the decay rate of solutions of beam equations with damping and external force.
探讨了特征向量在评估稳定性裕度的重要作用,指出了传统的对数衰减率与系统阻尼判据在评估轴承稳定性裕度时的局限性。
The important action of eigenvector in estimating stability margin is investigated, and the limitation of both system damping and logarithmic decrement criteria is pointed out.
但同其它常规流体阻尼器类似,在高频振动时会出现刚度硬化现象,使高频传递率增大,常规磁流变阻尼器多应用于较低频域的振动控制。
But common MR damper cant be used in cases of high-frequency vibrations because of stiffness hardening, which leads to increase of displacement transmissibility at high frequencies.
文章提出一种基于多分辨率学习的正交基小波神经网络结构的设计方法,网络权值的学习采用阻尼递推最小二乘算法。
A designing method of wavelet neural network structure based on multiresolution learning is put forward, and the studies of network weights adopt damped least squares.
设计了发电机转子冲片槽形及阻尼孔冲模。其结构融冲槽形、阻尼孔两工序为一体。降低了模具制造成本,提高了生产率,且稳定可靠。
A die for slot punch and damping hole punch is designed for generator rotor. It can reduce the cost, raise the efficiency and reliability.
依据能量转换的观点,分析了机构中粘弹性阻尼材料的静、动态对振动能转换率的影响。
The static and dynamic characters of the viscoelastic materials were analyzed on the energy transformation rates for the suspensions.
2016年,债券收益率急剧上升蔓延,经济活动将会产生阻尼效应。
A sharp rise in bond yields and spreads during 2016 would have a dampening effect on economic activity.
提出一种基于正交基函数的小波神经网络设计方法,采用多分辨率学习确定隐含层结构,并用收敛较快的阻尼最小二乘法训练权值。
In this approach the network structure is determined by multiresolution learning, and the weights are trained by damped least squares which has fast convergent rate.
同时还提高了AZ91合金的高温抗蠕变性能和抗拉强度及硬度,但对屈服强度和伸长率影响不大,降低了合金的低温阻尼性能,但却增加了高温界面阻尼。
The creep-resistant, tensile strength and hardness are increased, but there's no obvious change on the elongation ratio and yield strength. Though the low temperature damping ca…
同时还提高了AZ91合金的高温抗蠕变性能和抗拉强度及硬度,但对屈服强度和伸长率影响不大,降低了合金的低温阻尼性能,但却增加了高温界面阻尼。
The creep-resistant, tensile strength and hardness are increased, but there's no obvious change on the elongation ratio and yield strength. Though the low temperature damping ca…
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