In some specific conditions, some gates had stronger vibration, and few ones had resonance and hydraulic instability.
在一些特定条件下，某些闸门曾产生较强烈的振动，少数闸门曾产生共振和动力失稳现象。
The principle, the calculation of instability parameter for hydraulic single pillar and the structure design were introduced.
并介绍了工作原理、液压单体支柱失稳参数计算、结构设计等内容。
The delay estimation and compensation are key problems in real-time substructure testing because the delay of servo-hydraulic loading system may induce failure due to experimental instability.
在实时子结构试验中，液压伺服加载系统的时滞可能导致试验因丧失稳定而失败，因而时滞估计和补偿是该类试验的关键问题之一。
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