It is found that the dynamic stability of the transverse vibration of the beam is consistent with the stability of material phase. 研究表明,梁的横向振动平衡态的稳定性与材料相的稳定性完全一致;
Stability and Bifurcation of a Delayed Vibration System with Time Delay State Feedback 具有时滞状态反馈的延迟动力系统的稳定性与分岔
Application of the transversality theory on the problems of structural stability of impact vibration systems 横截性理论在碰撞振动系统结构稳定问题中的应用
In the non-linear dynamic system, analyzing the influence of the system parameters on the stability and the amplitude of vibration under instable condition of the system is an important work. 在非线性动力学系统中,分析系统参数的变化对系统稳定性影响和在系统不稳定的情况下系统参数对振动幅值的影响是十分重要的两个方面。
The Stability of Self-excitation Vibration in the Main Gearing train of the First Rolling Mill 初轧机主传动系统扭转自激振动的稳定性
Non-uniformity of the amplifying effect and dimension effect of the slope. Calculation methods of the slope stability under the effect of blasting vibration are discussed synthetically. 除分析了边坡内部应力、速度等分布规律的基础上,指出了边坡震动放大效应的不均匀性和边坡的尺寸效应,综合探讨了爆破震动影响下边坡稳定性的各种计算方法。
A stability analysis of torsional vibration of rolling mill by numerical method in unstable state rolling 非稳态轧制时轧机振动稳定性的数值分析
The Stability of Solution for Vibration Common Differential Equation 振动的常微分方程模型的解的稳定性
Study on the stability of rotor vibration controlled with SMA 形状记忆合金控制转子振动的稳定性研究
Slope Stability Analysis Under Influence of Blasting Vibration 爆破震动对边坡稳定性影响分析
Mechanism and Stability Analysis of Vibration Suppression with Acceleration Feedback for Flexible Manipulator 柔性机械手加速度反馈抑制振动的机理与稳定性分析
Based on characteristics ofd open-pit side slop and factors that have influence on the stability of slop, the vibration-damp-ing blasting technology is applied in mining at steep working slops to ensure the slope stability. 论述了凉山矿业股份有限公司露天矿在陡帮开采工艺条件下,通过认清露天边坡的特点及找准影响边坡稳定性因素的基础上,采用减震爆破技术,是确保露天边坡稳定的重要手段之一。
After the surgery, most of the EGG waveform returned to normal, jitter and shimmer decreased and HNR increased, which indicated that the stability of vocal fold vibration improved, CQ, CQP and CIP got smaller additionally. 显微喉镜术后EGG波形多数转为正常,且振动的稳定性提高(jitter和shimmer降低,HNR增加),CQ、CQP和CIP降低。
The state of being out of gear in vibration test system caused by transient temperature respond of piezoelectric vibration sensor is discussed in this paper. Approach to improve the reliability and stability of vibration test system is available by analyzing the existing fantasticality fault in it. 讨论压电振动传感器的瞬变温度响应引起振动测试系统的失常,分析振动测试中存在的奇异故障现象,并找到了解决的办法,可进一步提高振动测试系统的可靠性和稳定性。
Stability analysis of the vibration of the frame-mounted motor driving system 架悬式驱动系统振动稳定性分析
In the stability analysis of this vibration, the influence of different face configurations, stiffness of the springs supporting the floated ring and damping of the secondary seal are presented. 在其稳定性分析中给出了不同端面结构、浮环支撑弹簧和二次密封阻尼等的影响。
Stability and bifurcation of self-synchronous vibration system 自同步振动系统的稳定性与分岔
The paper introduces a set of vibration-absorbing system developed independently, which can improve driving stability of wheel loader, decrease vibration caused in course of drive with high speed and load, cut down the harm of vibration to wheel loader. 介绍了自行设计开发的一套减振系统,该系统能够提高轮式装载机的行驶稳定性,降低其高速行驶和负载行驶中产生的振动,削减由于振动对轮式装载机所造成的危害。
The stability of transverse vibration in high speed automobile and the influence of torsional vibration, friction, damping and movement of spline shaft on vibration are discussed. 本文分析了汽车传动轴高速状态下横向振动的稳定性与扭转振动,以及摩擦力、阻尼和花键轴的运动对横向振动的影响。
The parameters such as speed, length of bearing position are reasonably chosen so that the stability of the vibration system is nicer and the sensitivity is higher. 综合计算分析振动、灵敏度、动挠度,合理确定了新结构曲轴的平衡转速、支承位置。
The applicability of complementary-cluster energy-barrier criterion on researching stability of shaft system torsional vibration is discussed. 对互补群群际能量壁垒准则在汽轮发电机组轴系扭振稳定性研究中的适用性进行了探讨。
Study on stability of the vibration control system with variable stiffness structure 电液式变刚度结构振动控制系统的稳定性分析
Using automatic control theory, mechanical mechanism of derailment of train running on a bridge was discussed. It is found that the derailment results from losing stability of transverse vibration of train-bridge time-variant system. 结合自动控制理论,研究了桥上列车脱轨的力学机理,发现桥上列车脱轨是列车-桥梁时变系统横向振动丧失稳定的结果。
Research on the cause and process stability of self actuated vibration in deep hole boring is discussed in this article by example analysis. According to practical experience, concrete and feasible measures to prevent vibration when boring are proposed. 通过实例分析,对深孔镗削自激振动产生的原因和镗削过程稳定性进行了研究,根据实践经验提出了一些具体的、切实可行的镗孔振动防治措施。
Stability and bifurcation of vibration system are discussed using differential equation of phase difference angle of two eccentric rotors to replace dynamic equations of a self-synchronous vibration system. 用偏心转子相位差角微分方程代替双激振器反向回转式自同步振动系统的运动方程,讨论了系统的平衡点稳定性和分岔特性。
The Stability Analysis of Motor-Rotor's Parameter Vibration 电机转子参数振动的稳定性分析
The closed-loop stability of the vibration control equation of random structures was discussed and the stability criterion was obtained by the 3 σ criterion. 同时,应用3σ准则对随机参数智能梁结构振动控制的闭环稳定性进行了分析,得出了稳定性的判据。
Based on the Routh-Hurwitz criterion, the stability of drilling string axial vibration and coupled torsional vibration are analyzed, and the condition of the stability of the coupled vibration is deduced. 基于劳斯-赫尔维茨判据分析了钻柱轴向振动和扭转振动耦合时的稳定性,并推导出了耦合振动的稳定性条件。
This dissertation makes a study on the stability of the tuning fork vibration and the accuracy of the time difference detection of the confocal probe based on the time difference measurement. 本文针对时间差法共焦测头中的音叉振动稳定性与时间差检测准确性的问题进行了研究。
The influence of quench gas pressure on the stability of free vibration is researched, and the change rules of gas film thickness for active regulation is analyzed. 研究了阻封气压力对混合式密封自振稳定动态特性的影响规律,以及混合式密封主动调控时的气膜厚度变化规律。