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通过对石油平台支撑结构的动力分析，找出了导致支撑液压缸发生永久性塑性形变的原因，提出改造后控制策略应注意的技术问题．可以供液压工程师参考使用
Through the dynamic analysis of the support structure of the oil platform, the cause of the permanent plastic deformation of the supporting hydraulic cylinder was found, and the technical problems that should be paid attention to after the modified control strategy were put forward. Can be used for hydraulic engineer reference