This paper analyzes on the faults of the frequency-converter of the coal cutter and introduces the developing schemes principles and applications of the vibration test stand of the frequency-converter .

分析了采煤机变频器的故障，介绍了变频器 振动 实验 台的研制方案、原理以及使用情况。

Furthermore it makes the vibration test of container cranes with the seismic vibration test stand .

利用地震 振动 试验 台，进行地震集装箱起重机振动试验。

This new type of servovalve is a very important element in developing high frequency vibration test stand and high accuracy electrohydraulic control systems .

这种新型伺服阀是发展高频 振动 实验 台和高精度电液伺服系统的重要元件。

The calculation ( result ) and the vibration test stand test result are compared and analyzed to prove that the rule of change is ( similar . )

对计算结果与 振动 试验 台试验结果进行对比分析，以验证变化规律的一致性。

Application of the Vibration Test Stand of the Frequency-converter

变频器 振动 试验 台的应用

Electro-hydraulic vibration test stand gets a wide range of application with its excellent performance in the actual industrial production while the controller is more important as its control core .

电液伺服 振动 台以其优良的性价比在实际工业生产中获得了广泛应用，而控制器作为其控制核心显得更为重要。

The Coupled Vibration of the Elastic Base of the Engine Test Stand

发动机 试验 台 架弹性基础的耦合 振动