第33卷第4期 2018年8月
平板显示中国海洋平台
CHINA O FFSH O R E P LA TFO R M
Vol. 33 No. 4
Aug.,2018
文章编号:1〇〇1-45〇〇(2〇18)〇4-〇〇1〇-〇6
短期负荷预测刘义勇%杨亮%李卓3,王运\汪仁杰1
(1.中海石油深海开发有限公司,广东深圳518067; 2.海洋石油工程股份有限公司,天津300451;
艾草精油提取设备3.北京高泰深海技术有限公司,北京102209)
摘要:顶张紧式立管(T o p T e n sio n R ise r,T T R)监测系统受恶劣工作环境的影响,其安装及维护
费用极其昂贵,传感器布设的数量也受到极大限制。讨论不完备阵型基础上的整体损伤识别及传感器布点优化方法,
从模态正交性和识别参数敏感性出发,综合应用2种布点方案评估准则作为优化函数,目的在于提高传统传感
器布点优化方法的全局寻优能力和收敛速度。以某实际立管为例,证明该方法在细长型柔性结构传感器布点
优化方面的可行性和有效性。
圆珠笔尖
关键词:顶张紧式立管;完整性管理;模态参数;损伤识别;现场监测
中图分类号:P751 文献标识码:A
Optimization of Sensor Placement in
Top Tension Riser Field Monitoring
LIU Yiyong1,YANG Liang2,LI Zhuo3,WANG Yun1,WANG Renjie1
(1. CNOOC Ltd. , Shenzhen 518067, Guangdong, China;
2. Offshore Oil Engineering Co. , Ltd. , Tianjin 300451, China;
3. COTEC, Beijing 102209, China)
A bstract:Due to harsh environment, the installation and maintenance cost of top tension
riser(T T R) field monitoring system is quite expensive. So the number of sensor layout is
greatly limited. The global damage identification and sensor placement optimized methods
based on the incomplete modal formations is discussed. Based on modal orthogonally and sen
sitivity of identification parameters, two kinds of evaluation criteria are calculated as optimiza
tion function to improve the global optimization ability and convergence speed of the tradition-
al optimization method. An actual riser parameter is taken as an example, and the feasibility
and effectiveness of the proposed method in sensor placement optimization of slender flexible
structure are proved.
Key words:top tension riser;integrity management;modal parameter;damage identification;field monitoring紫外可见漫反射光谱
〇引言
顶张紧式立管(Top Tension Riser,T T R)是海洋深水油气资源开发的4种主要立管形式之一,其在位
收稿日期:2017-12-01电热器是利用
基金项目:500米水深油田生产装备T L P自主研发(工信部联装[2014]503号)
作者简介:刘义勇(1971—),男,高级工程师,主要从事海上油气开发、海洋工程设计建设与管理研究,Em ail:liuyiyong®cnooc