期刊文献+

深水半潜式钻井平台一阶运动对动力定位控制精度的影响 被引量:1

Influence of the first-order motion of deepwater semi-submersible platform on dynamic positioning precision
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摘要 旨在研究装有动力定位系统的深水半潜式钻井平台中通常被设计过程忽略的海洋结构物一阶运动对动力定位控制精度的影响情况。首先分别计算得到半潜平台的一阶运动响应和动力定位平台的运动响应,叠加得到考虑一阶运动时的动力定位运动统计值。最后,通过对比考虑和不考虑一阶运动两种情况下平台的动力定位控制精度,验证一阶运动对动力定位控制精度的影响,为工程设计提供参考,建议平台设计和分析过程中应考虑由一阶运动造成的精度冗余。 High frequency motion is always ignored in dynamic positioning operation and relevant calculation.This paper pays attention to the effect of first-order response on dynamic positioning accuracy via a deep water semi-submersible drilling platform.The numerical model is calculated in both time domain simulations considering low frequency part only and considering that combined with first-order motion.Then the statistic motion results,with and without first-order response,are analyzed and some conclusions are obtained to confirm this effect is worthy of consideration.
出处 《海洋工程》 CSCD 北大核心 2012年第4期131-136,共6页 The Ocean Engineering
基金 工信部高技术船舶科研项目"深海半潜式钻井平台工程开发"
关键词 动力定位 控制精度 一阶运动 深水半潜平台 dynamic positioning positioning accuracy first-order response deepwater semi-subnersible platform
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