起重机载荷摆振主要是由载荷水平运动引起的。
The load sway of crane is mainly generated by its horizontal motion.
摆振是风力机塔架的主要振动，造成塔架顶端振幅较大。
Shimmy is the main vibration form of the wind turbine tower, which may cause bigger vibration amplitude on top of the tower.
指出，按照不同的分类标准，转向轮摆振研究的内容也不同。
It is pointed out that con tents of researching on shimmy are different according to different classification criteria.
轮胎的动态侧偏力学特性是影响汽车前轮摆振的最关键因素之一。
Dynamic characteristics of wheel tire lateral distortion mechanics of motor vehicle is one of the most important key factors influencing the front wheel shimmy of the motor vehicle.
讨论了不同稳定距下，飞机滑跑时发生摆振的临界速度随垂直载荷的变化。
Finally, the critical velocity of shimmy varying with the vertical force during taxing was investigated in different caster lengths.
同一台车，整车结构发生变化时会改变前轮摆振的激烈程度以至振动的性质。
For the same automobile, the vibration degree or even the type of front wheel shimmy will change with the changing of the whole automobile constructs.
本文根据机轮摆振的点接触理论，导出了为克服摆振所需线性阻尼的计算公式。
In this paper the formula of requisite linear damping for overcoming shimmy is derived according to the point contact theory of wheel shimmy.
在振动离心复合环境下由于振动台激振力及弹簧弹性力的作用导致离心机臂摆振。
The shaking force and spring force of the shaking table act on the centrifuge arm, will make the centrifuge arm vibrate under the composite conditions of centrifuge and vibration.
研究了起重机载荷摆振模型在简化过程中所产生的相对误差，得到了相对误差公式。
The paper studied the relative error which appear because of abbreviation for the model of crane load sway, the relative error equations are obtained too.
试验及分析表明，该车摆振主要为强迫振动，通过控制激振源、增大转向系统阻尼可抑制摆振。
The test and analysis show that the shimmy is a forced vibration and can be restrained by controlling excitation source and increasing steering system damping.
前轮摆振是指汽车在平坦的路面上直线行驶时，转向轮以一定的幅度和频率绕主销持续振动的现象。
Front wheel shimmy is the phenomenon that steering wheels vibrate around king-pin axis with a certain amplitude and frequency when the vehicle travels in a straight road.
机翼承受垂向弯曲、弦向弯曲和扭转变形，螺旋桨旋翼的桨叶认为是刚性的并承受一阶挥舞和摆振。
The wing withstands vertical bending, chordwise bending and torsional deformations, and the rotor blade is considered to be capable of rigidly withstanding one order flap and lag motions.
长期以来，汽车前轮摆振往往被当成“故障”来看待，对前轮摆振概念的理解及处理方法也不尽相同。
Over a long period of time, the steering shimmy is often treated as failure, and the test methods on steering shimmy are different because of the different understanding.
提出了一种以机构和油缸共同抑止压辊摆振的方案，通过现场实验测试和分析，证明了这种抗扭结构的可行性。
A blue print is advanced, which is used to restrain swing and vibration of the roller formed by machine and oil cylinder together. Its feasibility is the measurement and analysis of field test.
通过对解放CA10型汽车前轮摆振的具体研究，可以为减小或消除各种车辆的摆振现象提供理论上的直接指导。
Through the systematic research of the shimmy of CA10 automobile, we can offer direct theory guidance to reduce or eliminate the shimmy of all kinds of vehicle.
在讨论输入和阻尼机理的基础上，提出了用振幅大小和起振门槛值作为衡量摆振大小和抗御摆振能力的衡量指标。
Based on the mechanism of input and damping, it is suggested that the vibration amplitude and threshold be taken as a criterion for evaluation vibration strength and anti-vibration ability.
虽然国内外对摆振现象的研究已有近五十年的历史，并发表了许多有价值的文章，但是摆振问题仍没有彻底解决。
Though the world boasts the 50-year's history of study on vehicle steering wheel shimmy, and many valuable articles have been published meanwhile, the problem of shimmy is still not solved thoroughly.
由于这类运动是确定性的，可以事先唯一地求出，由此设计出一种最优控制器，按照二次型最优消摆规律消除载荷摆振。
For this kind of motion is determinated, it is feasible to be worked out uniquely in advance and design an optimal controller to suppress the load sway according to the quadratic optimal law.
借助于计算机对摆振现象进行仿真分析，研究系统参数对摆振的影响，可以为探索有效的汽车防摆措施提供理论上的指导。
So we have a simulation research on shimmy by computer software and have a study on the effect of system parameters on shimmy, which may offer theory guidance for suppressing shimmy.
仿真结果和试验结果对比表明，该模型足以反映轮胎非线性转向特性，可用于前轮摆振及汽车操纵动力学仿真方面的研究。
The comparison of simulation results with test results shows that the model well reflect the non-linear cornering properties of the tire. The model can be applied to the studies of …
不适当的轮胎充气会引起多种类型的转向和制动障碍。压力低会使转向沉重，前轮摆振，转向回跳以及转动时轮胎发出噪音；
Incorrect tire inflation can cause many types of steering and braking difficulty. low pressure will cause hard steering frontwheel shimmy steering kickback and tire squeal on turns.
分析了直升机从悬停到小速度前飞时，定常垂直气流的非均匀分布对直升机平衡操纵以及对系统摆振后退型模态阻尼的影响。
The influences of nonuniform vertical flow on helicopter trim controls and regressive lag modal damping levels were analyzed in hovering and forward flight.
本文基于外加周期激振力信号作用首次对双杆摆机构的混沌运动进行了有效的控制。
In this paper, the chaotic motion of a double-pendulum is suppressed efficiently based on the method of periodic force.
本文基于外加周期激振力信号作用首次对双杆摆机构的混沌运动进行了有效的控制。
In this paper, the chaotic motion of a double-pendulum is suppressed efficiently based on the method of periodic force.
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