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- Technical Issues Involved in Measurement and Analysis of Lateral Vibration Acceleration of Railway Bridges 铁路桥梁横向振动加速度测试与分析中的技术问题
- lateral vibration acceleration 横向振动加速度
- The results of the numerical simulation show that the acceleration of lateral vibration can be reduced 75% if the active control system is applied on a radar antenna. 由数值分析结果显示,利用本方法,可将指向性天线振动减少75%25,此外对天线振动导致之伺服干扰也能有效抑制。
- Then the experiment platform of the hypoid gear system was set up, and the lateral, longitudinal and axial vibration response of the bearing and the vibration acceleration response on the surface of the gearbox were measured. 搭建了准双曲面齿轮传动系统的实验平台,测量了准双曲面齿轮箱轴承座的横向、纵向和轴向振动响应和箱体表面振动加速度响应。
- Later the analysis process applying vibration acceleration to the test of shaft steelwork as well as the acquirement of information is illustrated with testing materials. 并用实际测试数据对振动加速度法测罐道的分析及信息提取过程作了说明,对该方法在现场的应用做了有益的尝试,同时指出了现存的问题和研究的方向。
- Springs, with the subsequent axial and lateral vibration problems, are eliminat ed. 从而取消了弹簧部件并消除了弹簧部件所带来的轴向和径向振动问题。
- In this paper, a new model for lateral vibration of noncircular chain drive(NCD) with roller chain is established. 建立了一种分析非圆轮链传动横向振动的模型。
- For a given aperture size and vibration acceleration, the relations between material flow, flow time and vibration frequency were studied by experiments. 通过试验确定了在网孔孔径和振动加速度一定的情况下,物料流量与流动时间以及振动频率的关系。
- The paper compared the design codes for vertical vibration serviceability of footbridge induced by human walking, and also investigated the lateral vibration of footbridge. 摘要对人行桥人行激励竖向振动的国内外现有规范和标准进行了比较研究,并探讨了针对侧向人行激振的振动使用性设计方法。
- A kind of missile vibration acceleration detecting device based on digital output dual-axis accelerometer ADXL210E is introduced. 介绍一种基于数字输出双轴加速度传感器ADXL210E的导弹振动加速度检测装置。
- The lateral vibration of the high speed rotating disk cutter slice blade was studied by the finite element analysis and the experimental measurement. 摘要针对高速旋转圆盘刀具薄刀片实际工作时存在的横向振动问题,应用有限元方法及实验测量进行了研究。
- The test results show that the inherence frequency and vibration acceleration become smaller after improvement, and the cab becomes more comfortable. 试验结果显示改进后驾驶室各点的偏频及振动加速度降低,平顺性提高;
- The computational results show that the TMD is very efficient for controlling wind vibration acceleration of structures. 算例表明TMD对高层钢结构风振加速度的控制是十分有效的。
- The major reasons are:the lateral vibration caused by the mass imbalance force,the drilling string whirling and collision. 带扶正器下部钻柱组合失效的主要原因有二:一是下部钻柱的质量不平衡引起横向振动;二是钻柱进动和碰摩。
- New JCZ-B locomotive bearing fault diagnosis system can get fault characteristic from the vibration acceleration signal wich big noise and identify fault. 新型机车轴承故障诊断系统能从具有强背景噪声的机车轴承振动加速度信号中提取故障特征,实现机车轴承故障识别与故障类型自动辨别。
- Numerical results showed that the lateral vibration dominates the vibration of the cylinder although the streamwise and lateral dynamic parameters are different. 数值结果表明:尽管椭圆柱体在横向和流向的动力参数不同,结构振动仍以横向振动为主;
- The vibration acceleration signals at initial stage and steady stage in flowing granular media are tested,and the propagation of wave in the flowing field is analyzed. 试验测定振动助流时散体颗粒在初始阶段和稳定流动阶段的振动加速度信号,并对流动场中波的传播规律进行分析。
- When pre-compression is loose the winding vibration acceleration will enlarge.On the other hand, the principle of core magnetostriction and its influencing factors are presented. 从磁体物理学的概念出发,本文分析了引起铁心振动的磁致伸缩的原理以及影响因素。
- This paper had developed the theory mould, and analysis electronic rod cleaner of Cyclone umbrella precipitator has great relate to the vibration acceleration. 建立了旋伞静电收尘器电晕极的清灰系统的理论模型。
- Based en the concept of integrated electrical and mechanical dynamics, an active vibration control circuit is connected with the servo loop of the antenna system to decrease the lateral vibration using the rotation energy. 本方法主要以机、电一体的观念,在天线的电机动力伺服系统内,加入一抑制?路,以天线电动机的旋转动力抑制天线的振动。