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- variable frequency vibration test 变频振动试验
- Standard Test Method for Determining the Effect of Variable Frequency Vibration on a Membrane Switch or Membrane Switch Assembly 测定隔膜开关或隔膜开关组配可变频率振动影响的试验方法
- VFO? Variable Frequency Oscillator? 可变频率振荡器，变频振荡器?
- High frequency vibration generation transient heating. 高频振动产生瞬间加热。
- This paper has a discussion on the dissipated heat, vibration proof and maintenance of variable frequency speed regulating device in AC electrical haulage shearer, and puts forward some basis of design and methods of maintenance. 分析了变频调速装置在交流电牵引采煤机上使用时关于散热、抗震和维护的几个问题 ,并提出一些设计的依据和维护的方法。
- variable frequency vibrator 变频振动器
- Therefore, MTMD is suitable for controlling structural vibration with variable frequencies. 因此，MTMD适用于控制频率变化的结构振动。
- From now on,we will attempting to adopt more than one method,such as ferrograph analysis and low frequency vibration analysis,and the like. 今后设想用多种方法进行综合监测，在原有基础上再结合铁谱和振动等监测方法.
- In order to improve the passive type features of resonance and low frequency vibration, the active control scheme is applied. 为了改善被动式气压隔振支座的共振与低频之振动特性，研究中更加入了主动控制。
- EAL-68 with small amount of additive is suitable for R407C in variable frequency rotary compressors of YZB-20R. EAL-68型POE润滑油加入少量添加剂可以作为R407C的YZB-20R型变频压缩机用油。
- With suitable controller design, the isolator has the functions which reduce the resonance amplitude and isolate low frequency vibration well. 利用适当的控制器设计，使其具有降低共振幅度且隔离低频振动的功能。
- The frequency inverters has a function of variable voltage and variable frequency. 频率逆变器具有变压、变频功能。
- Energy consumption of variable frequency drive pump are analyzed,and makes sugg estions about its suitable application. 详细分析了变频调速水泵的能耗，对如何合理应用变频调速水泵进行了探讨。
- An idea of design is provided for asynchronous m otor of variable frequency variable speed in this paper mainly. 本文主要为变频调速异步电动机的设计提供一条思路。
- According to the experimental results of absolute test and on-line test,the ultra low frequency vibration table is substituted with the SCM for FBA dynamic test. 通过对比力平衡加速度计的绝对测试和在线测试实验结果,证明自标定机构可以代替超低频标准振动台来进行力平衡加速度计的动态测试。
- Motor for deflector roll in entry side is requested to use AC variable frequency control. 卷取机卸卷小车行走电机采用交流变频调速控制。
- Cropping mechanism is a key component for variant frequency vibration cropping,and its excited frequency directly affects manufacturing quality and production efficiency. 变频振动下料机构是变频振动系统的重要执行部件,其激振频率直接影响制造质量和生产效率。
- Then the parameterand implement frame of variable frequency test system are dis cussed. 对变频试验系统的参数和实际组件进行了讨论。
- In order to restrain low frequency vibration of flexible manipulator, hysteretic damping of assembled flexible link is used to restrain the vibration of flexible manipulator. 摘要为抑制柔性机械臂的低频固有振动，该文提出利用组合结构滞迟阻尼效应来提高柔性机械臂的抑振性能。
- A new improved discrete variable voltage variable frequency equivalent sinusoidal control method is presented. 一种新的离散变压变频等效正弦控制方法被提出。
