检索结果-南通市图书馆

Development of a Robot for In-service Radiography Inspection of Subsea Flexible Risers

Journal of Artificial Intelligence and Technology 2021年第3期1卷 180-187页

作者： Aman P.Kaur Tariq Sattar Richard Anvo Mohammad Osman Tokhi School of Engineering London South Bank UniversityLondonUK

The extreme operational environmental conditions and aging conditions of subsea structures pose a risk to their structural integrity and is critical to their *** testing is essential to identify defects developing within the structure,allowing repair in a timely manner to mitigate against failures that cause damage to the environment and pose a hazard to human ***,to be cost effective,inspections must be carried out without taking the risers out of *** poses significant safety risks if undertaken *** paper presents the development of an automated inspection system for flexible risers that are used to connect wellheads on the seafloor to the offshore production and storage *** to the complex structure of risers,radiography is considered as the best technique to inspect multiple layers of the ***,radiography inspection,in turn,requires a robotic system for in-situ inspection with higher payload capacity,precise movement of source and detector which is able to withstand an extreme operational *** deployment of a radiography inspection system hasbeen achieved bydeveloping acustomized subsearobotic system called RiserSure that can provide precise scanning motion of a gamma ray source and digital detector moving in *** prototype has been tested on a flexible riser during shallow water sea trials with the system placed around a riser by a remotely operated *** results from the trials show that the internal inner and outer tensile armor layer and defects in the riser can be successfully imaged in real operational conditions.

关键词： flexible riser nondestructive testing remotely operated vehicle robotic scanning system subsea controlled area network real-time control

来源：

维普期刊数据库评论

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

An Approach for Damage Identification and Optimal Sensor Placement in Structural Health Monitoring by Genetic Algorithm Technique

引用

Circuits and Systems 2016年第6期7卷 814-823页

作者： U. Muthuraman M. M. Sai Hashita N. Sakthieswaran P. Suresh M. Raj Kumar P. Sivashanmugam Department of Civil Engineering Anna University Regional Campus Tirunelveli India Department of Electronics and Communication Engineering National College of Engineering Maruthakulam India Department of Electrical and Electronics Engineering National College of Engineering Maruthakulam India National Institute of Technology Trichirapalli India

Civil engineering structures are constructed for strength, serviceability and durability. The structures thus constructed involve huge investment and labour work. In order to protect the structure from various damages, periodic monitoring of structures is necessary. Hence Structural Health Monitoring (SHM) plays a vital role in diagnosing the state of the structure at every moment during its life period. For this purpose, sensors are deployed in the structures for its efficient health monitoring. Sensors cannot be deployed at random locations of the structure. They have to be located at those points which reflect the damage. In this study, a 3-storey and a 4-storey building are taken and Modal Strain Energy (MSE) is used for finding the initial locations of sensors. The number of sensors obtained is then optimized using Genetic Algorithm (GA) technique. Finally damages are induced in certain locations of the structure and a damage detection technique called as “Flexibility Matrix Based Technique (FMBT)” is introduced for damage localization in the structure.

关键词： SHM controlled area network MLP-AGA Sensor Placement

来源：

维普期刊数据库评论

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

欢迎您,

建议与咨询留下您的常用邮箱和电话号码，以便我们向您反馈解决方案和替代方法

时间限定

文献类型

馆藏选择

核心期刊

语言

文献类型

帮助

文字说明：

检索规则说明：

检索范例：

分类表

所选分类

限定检索结果

文献类型

馆藏范围

日期分布

学科分类号

主题

机构

作者

语言

在线全文

在线全文

请选择保存的检索档案：

请选择收藏分类：

通借通还

欢迎您,

建议与咨询 留下您的常用邮箱和电话号码，以便我们向您反馈解决方案和替代方法

时间限定

文献类型

馆藏选择

核心期刊

语言

文献类型

帮助

文字说明：

检索规则说明：

检索范例：

分类表

所选分类

限定检索结果

文献类型

馆藏范围

日期分布

学科分类号

主题

机构

作者

语言

在线全文

在线全文

请选择保存的检索档案： 新增检索档案 确定 取消

请选择收藏分类： 新增自定义分类 确定 取消

通借通还

建议与咨询留下您的常用邮箱和电话号码，以便我们向您反馈解决方案和替代方法

请选择保存的检索档案：

请选择收藏分类：