湿模态特征下张力腿结构传感器布点优化

TE95; 传感器的测点优化布置是海洋工程装备结构健康监测的关键问题之一.TLP(tension leg platform)张力腿结构在海洋环境荷载的长期作用下可能出现疲劳损伤行为,开展张力腿原型现场监测研究十分重要.考虑张力腿结构的湿模态特征,基于有效独立法开展了传感器初始测点位置的优化筛选研究,结合模态置信度准则和最小均方差准则,提出了适用于以张力腿为典型结构的大长细比水下结构的传感器布设方法.以某待建TLP为例,应用所提方法给出了张力腿结构的传感器布点优化方案.所提方法在实际张力腿原型监测系统传感器布点优化方面具有一定应用价值,对于水下直立结构也具有借鉴作用....

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Published in大连理工大学学报 Vol. 60; no. 4; pp. 331 - 338
Main Authors 刘城, 常进云, 王世圣, 郭杏林, 武文华
Format Journal Article
LanguageChinese
Published 大连理工大学工业装备结构分析国家重点实验室,辽宁大连,116024%中海石油(中国)有限公司北京研究中心 ,北京,100027 01.07.2020
Subjects
传感器布点优化
张力腿结构
湿模态特征
有效独立法
结构健康监测
Online AccessGet full text
ISSN1000-8608
DOI10.7511/dllgxb202004001

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Abstract TE95; 传感器的测点优化布置是海洋工程装备结构健康监测的关键问题之一.TLP(tension leg platform)张力腿结构在海洋环境荷载的长期作用下可能出现疲劳损伤行为,开展张力腿原型现场监测研究十分重要.考虑张力腿结构的湿模态特征,基于有效独立法开展了传感器初始测点位置的优化筛选研究,结合模态置信度准则和最小均方差准则,提出了适用于以张力腿为典型结构的大长细比水下结构的传感器布设方法.以某待建TLP为例,应用所提方法给出了张力腿结构的传感器布点优化方案.所提方法在实际张力腿原型监测系统传感器布点优化方面具有一定应用价值,对于水下直立结构也具有借鉴作用.
AbstractList TE95; 传感器的测点优化布置是海洋工程装备结构健康监测的关键问题之一.TLP(tension leg platform)张力腿结构在海洋环境荷载的长期作用下可能出现疲劳损伤行为,开展张力腿原型现场监测研究十分重要.考虑张力腿结构的湿模态特征,基于有效独立法开展了传感器初始测点位置的优化筛选研究,结合模态置信度准则和最小均方差准则,提出了适用于以张力腿为典型结构的大长细比水下结构的传感器布设方法.以某待建TLP为例,应用所提方法给出了张力腿结构的传感器布点优化方案.所提方法在实际张力腿原型监测系统传感器布点优化方面具有一定应用价值,对于水下直立结构也具有借鉴作用.
Author 郭杏林
武文华
王世圣
刘城
常进云
AuthorAffiliation 大连理工大学工业装备结构分析国家重点实验室,辽宁大连,116024%中海石油(中国)有限公司北京研究中心 ,北京,100027
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Author_FL WANG Shisheng
CHANG Jinyun
WU Wenhua
GUO Xinglin
LIU Cheng
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DocumentTitle_FL Sensor placement optimization of tension leg structure by considering wet modal characteristics
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Keywords 传感器布点优化
张力腿结构
湿模态特征
有效独立法
结构健康监测
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