It was concluded that the vertical dynamic stiffness and damp decreased as the running speed of the tire increased.
得出了随着轮胎滚动速度的增大，轮胎的垂直动态刚度和阻尼逐渐减小的结论。
The transverse stiffness of medium-span railway bridge becomes insufficient and its transverse vibration becomes larger commonly under the raised speed freight train.
中等跨度铁路桥梁在提速货车作用下，普遍出现横向刚度不足，横向振动超限问题，严重影响了运营安全和提速计划的顺利实施。
A-operator method (AOM) is used to study the influence of the speed ratio and time varying meshing stiffness on rattling threshold speed of the gear system.
用算符分解算法(AOM)得到了系统的近似解析解，并研究了传动比和时变啮合刚度对拍击门槛转速的影响。
A-operator method (AOM) is used to study the influence of the torque fluctuation and time-varying meshing stiffness on rattling threshold speed of the gear system.
用算符分解算法(AOM)研究了扭矩波动和时变啮合刚度对拍击门槛转速的影响。
Because bearing stiffness have an effect on interface rotation speed, so the original only introduced computational method of bearing stiffness.
因支承刚度对转轴临界转速有影响，故仅介绍支承刚度的计算方法。
A new model of rub impact force considering varied rotating speed was derived and the rub impact response of a rotor system with initial bending and asymmetric stiffness was analyzed.
建立了考虑转子转速的新的碰磨力模型，分析了具有初始弯曲和刚度不对称转子系统的碰磨响应，得到了系统参数对系统分叉和混沌响应的影响。
The colliding stiffness by this formula is not only concerned with Young's modulus of rotor and stator, but also concerned with the radial speed of rotor.
由该公式确定的碰撞刚度不但与转子和定子的杨氏模量有关，而且与转子的径向速度有关。
Mechanics models of load constant acceleration, constant speed and constant deceleration are built considering stiffness change during load moving horizontally.
考虑重物水平挪移运动过程中钢丝绳的刚度变化，建立了匀加速移动、匀速移动及匀减速移动的力学模型。
The locating stiffness of the axle-box pull rod has an important relation with the dynamics performance of the locomotive, it also has a very big influence to the critical speed of the locomotive.
轴箱拉杆定位刚度与机车动力学性能密切相关，同时对机车的临界运行速度也有很大的影响。
Current change in the MR damper coil can change the stiffness and damping of the whole support system, so the vibration of high-speed rotor can be suppressed by the MR damper.
用这种阻尼器支承的磁悬浮轴承转子系统，通过控制磁流变阻尼器线圈中的电流来改变整个转子系统的支承刚度和阻尼，抑制转子高速时的振动。
For a high speed motorized spindle, the interference fit between the shaft and bearing has a great influence on the stiffness, rotary accuracy and life of the spindle.
高速电主轴轴承与转轴配合的过盈量大小对主轴的刚度、旋转精度和使用寿命具有十分重要的影响。
The first order critical speed and static stiffness of the spindle increases greatly after optimization.
经优选设计后，电主轴的一阶临界转速和主轴端静刚度均有较大幅度的提高。
This paper sets up a dynamic analysis model of subway vehicle-elastic fastener and analyzes the influence of fastener stiffness, train operation speed on the wheel-track force.
为分析弹性钢轨扣件轨道的轮轨作用力，通过建立地铁车辆弹性扣件动力分析模型，分析了扣件刚度、列车运行速度等对轮轨作用力的影响。
There are not only enough subgrade bed strength, but also appropriate subgrade bed stiffness to satisfy with the safety and comfort under the high-speed train loading.
基床不仅需要具有足够强度以承受高速列车荷载动力作用，而且需要具有合适刚度与以满足高速列车行驶时安全舒适运行的要求。
Finally, the results of stiffness analysis and experiments completed on a high-speed cylindrical roller bearing were given in the paper.
结合具体的高速圆柱滚子轴承给出了刚度分析结果及其与实测结果的比较。
Built the static mathematical models for the hydraulic circuit mentioned above. Analysis the characteristics of speed-load, speed characteristics and the static stiffness for the circuits.
建立了陶瓷压砖机上述各动作液压回路的静态数学模型，完成了各回路速度-负载特性、速度特性及速度刚度等静态特性分析；
The model is used to understand a series of formulae, for example, mean single tooth stiffness, gear pair mesh synthesizing stiffness, effective mass, nature frequency and critical rotating speed.
根据这一振动模型，推导了齿轮副的平均单齿刚度、单对轮齿啮合综合刚度、有效质量、固有频率与临界转速等一系列计算公式。
In this paper a stiffness simulation calculation method of low speed flutter models of an aeroplane is studied.
本文探讨了飞机低速颤振模型刚度模拟计算的一种方法。
Threshold rattling speed not only depends upon the frequency and amplitude of the errors of a gear pair, but also time-varying meshing stiffness and their combination frequency.
齿面误差对拍击门槛转速的影响不仅与自身的变化频率、幅值大小有关，更重要的是与时变频率及其组合频率有关。
By block diagram and feedback-control principles expression is derived for speed-stiffness in the loop and speed error due to load calculated.
并用方块图与反馈控制理论导出了这种调速回路速度刚性的数学表达式，估算了由负载引起的速度误差。
Through the analysis on the problem of lateral sway in SS9 modified electric locomotive after speed-up, it is proposed the solution to increase the primary lateral positioning stiffness.
通过对SS9改进型电力机车提速后出现横向晃动问题进行分析，提出了增大机车一系横向定位刚度的解决方案。
Then the critical rotate speed and vibration shape are changed by changing the supporting stiffness with the characters of flexibility of rotor.
并利用转子支承都具有一定弹性的特点，通过改变转子支承刚度达到调整转子临界转速和振动形态的目的。
Advantages of simple structure, the inertia of small parts, the system stiffness, and improve the effective engine speed.
优点为结构简单、零件惯性小、系统刚度大、有效增加发动机转速。
A precise description for the nonlinear lateral stiffness of air spring yielded is used for nonlinear dynamic curving simulation of high - speed railway c...
基于这一横向刚度，对安装空气弹簧的高速客车转向架进行了非线性暂态曲线通过的动力学仿真，获得了较为精确的结果。
Parallel robots, such as the ABB FlexPicker, offer benefits in the areas of high speed, high stiffness and improved accuracy.
并联机器人，譬如abb三轴工具机提供高速、高刚度和改善的准确性。
The study shows that the bearing stiffness has significant impact on the critical speed of rotor. The critical speed can be adjusted by changing bearing stiffness and material properties.
研究表明，磁力轴承刚度对转子临界转速影响很大，可以通过改变磁力轴承刚度和转子材料来调整临界转速；
As machines became wider and faster, the diameter and stiffness of the dandy was increased and the rolls had to be driven so that the dandy speed matched the wire speed.
随着纸机幅宽增加和速度的提高，水印辊直径和挺度都要增加，并且要加驱动装置以使之与网速匹配。
This paper presents an analysis and study on the vibration and unstable factors which affects the stiffness of the speed Tester for high speed heavy load large grinding wheels;
本文就大直径重负荷砂轮高速回转试验机设计过程中出现的振动问题，从理论上对多种影响整机刚性的不稳定因素进行了分析研究；
This paper presents an analysis and study on the vibration and unstable factors which affects the stiffness of the speed Tester for high speed heavy load large grinding wheels;
本文就大直径重负荷砂轮高速回转试验机设计过程中出现的振动问题，从理论上对多种影响整机刚性的不稳定因素进行了分析研究；
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