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Passive and semi-active heave compensator: Project design methodology and control strategies

机译:被动和半主动升沉补偿器:项目设计方法和控制策略

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摘要

Heave compensator is a system that mitigates transmission of heave movement from vessels to the equipment in the vessel. In drilling industry, a heave compensator enables drilling in offshore environments. Heave compensator attenuates movement transmitted from the vessel to the drill string and drill bit ensuring security and efficiency of the offshore drilling process. Common types of heave compensators are passive, active and semi-active compensators. This article presents 4 main points. First, a bulk modulus analysis obtains a simple condition to determine if the bulk modulus can be neglected in the design of hydropneumatic passive heave compensator. Second, the methodology to design passive heave compensators with the desired frequency response. Third, four control methodologies for semi-active heave compensator are tested and compared numerically. Lastly, we show experimental results obtained from a prototype with the methodology developed to design passive heave compensator.
机译:升沉补偿器是一种减轻升沉运动从船舶传递到船舶中设备的系统。在钻井行业中,起伏补偿器可在海上环境中进行钻井。升沉补偿器减弱了从船舶传递到钻柱和钻头的运动,从而确保了海上钻井过程的安全性和效率。升沉补偿器的常见类型是无源,有源和半有源补偿器。本文提出了4个要点。首先,体积模量分析获得一种简单的条件,以确定在液压气动无源升沉补偿器的设计中是否可以忽略体积模量。第二,设计具有所需频率响应的无源升沉补偿器的方法。第三,测试和比较了半主动升沉补偿器的四种控制方法。最后,我们展示了从原型获得的实验结果,该原型采用设计用于设计无源升沉补偿器的方法。

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