探讨振动电机激振力的测试方法。
Investigates the method to measure exciting force of the vibratory motor.
重点介绍激振力和激振频率的检测和处理技术。
Finally presents the detecting and processing technique of exciting power and frequence.
振动电机的激振力利用率高、能耗小、噪音低、寿命长。
High utilization rate of the exciting force of vibration motor, low energy consumption, low noise, long service life.
最后，提供了转与不转的机床主轴的动态激振力的转换关系。
Finally, the transfer relationship of dynamic exciting force between rotating and non-rotating machine tool spindles is proposed.
转子偏心引起的气流激振力在一定条件下可能诱发转子失稳。
The gas exciting force caused by blade tip clearance may cause rotors unsteady under certain condition.
研究了在稳定运行工况时影响汽轮机叶片激振力的主要因素。
Fourier harmonic analysis is applied to analyze the factors that affect steam turbine blade excitation.
具有体积小、激振力大、操作简便、维修方便、运行可靠等特点。
Has the advantages of small size, excitation force, simple operation, convenient maintenance, reliable running etc.
本文介绍引起船体稳态振动的柴油机及螺旋桨激振力的计算方法。
This paper introduces the calculating methods of diesel engine and propeller induced forces which often result trouble in ship hull steady vibration.
研究了利用耦合反馈控制法和周期激振力法来控制欧拉动弯曲问题。
In this paper, the problem of controlling the Euler's dynamically buckling problems by means of the coupled feedback controlling and periodic force excitation were studied.
适用范围：本产品结构合理，体积小，激振力大，转换场地方便。
Scope: This product has reasonable structure, small volume, vibration force, converting the convenience.
通过结构设计和力学分析，得出了该工具横向振动频率和激振力公式。
Through the structural design and mechanical analysis, the formula of the lateral vibration frequency and excitation force has been obtained.
本文还简单地讨论了共振转速区宽度和激振力配置间关系的计算方法。
In this article, we also briefly discuss the relation between the width of the resonance speed region and the combination of the different exciting forces.
本文主要介绍由船舶螺旋桨引起的激振力以及减少振动的尾部线型设计。
The paper gives a introduction to the mechanism of exciting force induced by propeller and the stern lines design that can reduce the vibration.
利用周期激振力法，对欧拉动弯曲问题中的混沌行为进行了有效的控制。
The chaotic behaviors in Eulers dynamically buckling system were controlled by means of the periodic force excitation.
为了保证远场信号的相位与激振力的相位一致，应当控制激振力的相位。
Output force phase should be controlled so as to get the far field signal inphase with the output force phase.
本文还进行了实验转炉的振动测试，验证了所推导的激振力公式的正确性。
Vibration tests carried out on the experimental converter have proved the validity of the vibration formula derived.
对了，在这些固有频率处，变形形式也大为不同，依赖于激振力用哪个频率。
Well, the deformation patterns at these natural frequencies also take on a variety of different shapes depending on which frequency is used for the excitation force.
本文介绍了液压振动台的计算机控制，其控制形式为恒功率和恒激振力控制。
This paper introduces a computer control for hydraulic vibrating table, with adopting constant power and constant exciting force control.
作为方法的应用实例，讨论了补充激振力为脉冲情况下的模态参数识别方法。
As a application example of this kind of method, a way of identifying modal parameters when additional external force is impulse is investigated.
计算表明：隔振模块的隔振性能与其长度、阻尼、所受到的拉力和激振力有关。
Calculations show that isolation capability of VIM is affected by the module length, damping, tension and exciting force frequency.
进行了动力拟合计算，得出了垂直和水平的激振力以及相应的动位移、动内力。
The vertical and level exciting forces, the Corresponding dynamic deflections and the dynamic internal forces are obtained by using the kinetic calculation.
采用机械阻抗原理，给出了轮轨系统随机激振力功率谱密度函数的理论计算方法。
A theoretical method of the PSD of random excitation force in Wheec-rail system is advanced on the principle of mechanical impedance.
随着旋转机械结构参数的提高，作用在转子上的密封中的气流激振力将显著增大。
With the structural parameters of the rotary machine increased, the seal airflow induced force imposed on the rotor will significantly increase.
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.
物料在纵断面上的受力分析表明：分选机激振力方向应与分选床横向有一定角度。
The analysis of forces exerted on material on vertical section shows that there should be an Angle between the vibrated force direction and crosswise of separation bed.
得出，当激振点不变时，激振力级的变化与振动模态辐射的平均声压级成线性关系；
When the exciting force was constant the average level of sound radiation produced by modal vibration has a linear relationship with the level of mode shapes.
本文将工程结构所受到的由其所处环境和自身工况所决定的激振力称为自然激振力。
The external forces determined by the environment and the running state of engineering structure itself are defined as natural external forces in the present paper.
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.
本文研究在未知激振力情况下，由结构随机响应识别结构模态参数的数字处理方法。
The paper studies digital processing methods which identify structural modal parameters from structural random response.
当然你知道，这仅仅是结构受到一个激振力，力激起了那阶模态时所呈现出一个特征形状。
Of course, you know that this is only a characteristic shape that the structure will undergo when subjected to a force that excites that mode.
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