Results 31 to 40 of about 332,353 (251)

Identification and evaluation on bending deformation of China-Russia Eastern Gas Pipeline

You-qi chuyun, 2020
Local displacement and bending deformation of pipeline may occur under the action of external load. When superimposed with defects such as pipeline body corrosion, manufacturing or weld defects, the pipeline body will probably fail at the stress ...
Xiaoming ZHAO, Rui LI, Pengchao CHEN, Wenxing FENG, Kuan FU, Jianfeng ZHENG, Yang LIU   +6 more
doaj   +1 more source

Route Optimization Method of UAV Autonomous Transmission Line Detection Based on Beidou Positioning Service [PDF]

E3S Web of Conferences, 2021
By using Beidou high-precision positioning technology, drone autonomous flight technology, and drone communication technology, a drone inspection system has been constructed.
Cui Wenjun, Wang Tao, Cai Lifeng, Zhang Yanhua, Zhang Jiaxin   +4 more
doaj   +1 more source

Machine-Learning-Based Classification for Pipeline Corrosion with Monte Carlo Probabilistic Analysis

Energies, 2023
Pipeline corrosion is one of the leading causes of failures in the transmission of gas and hazardous liquids in the oil and gas industry. In-line inspection is a non-destructive inspection for detecting corrosion defects in pipelines.
Mohd Fadly Hisham Ismail, Zazilah May, Vijanth Sagayan Asirvadam, Nazrul Anuar Nayan   +3 more
doaj   +1 more source

Design of a Three-dimensional Transmission Line Inspection System Based on Human-machine Collaboration

Zhejiang dianli, 2022
Transmission lines are now copiously equipped with front-end sensors characterized by a great variety， fast version iteration， and varying reliability levels， and how to efficiently achieve human-machine collaboration and maximize the efficiency of ...
BIAN Beilei, JIANG Jiong, LIU Peng
doaj   +1 more source

Real-Time Elbow and T-Junction Detection and Estimation Framework for In-Line Inspection in Natural Gas Pipelines Using 3D Point Cloud

Applied Sciences
In-line inspection (ILI) is essential for maintaining the integrity of natural gas pipelines. In ILI, pipeline inspection gauges (PIGs) autonomously navigate through pipelines under real-time and resource-constrained conditions to measure pipeline ...
Hoa-Hung Nguyen, Jae-Hyun Park, Jae-Jun Kim, Kwanghyun Yoo, Dong-Kyu Kim, Han-You Jeong   +5 more
doaj   +1 more source

Robust and Unbiased Estimation of Robot Pose and Pipe Diameter for Natural Gas Pipeline Inspection Using 3D Time-of-Flight (ToF) Sensors

Applied Sciences
The estimation of robot pose and pipe diameter is an essential task for reliable in-line inspection (ILI) operations and the accurate assessment of pipeline attributes.
Hoa-Hung Nguyen, Jae-Hyun Park, Jae-Jun Kim, Kwanghyun Yoo, Dong-Kyu Kim, Han-You Jeong   +5 more
doaj   +1 more source

Corrosion factors of single-layer insulation pipeline in Bohai Oil & Gas Field

You-qi chuyun, 2020
The single-layer insulation pipelines are widely applied in Bohai Oil & Gas Field due to advantages of low costand quick installation. Some single-layer insulation pipelines, after being put into operation, were seriously corroded withina short time ...
Changbao SUN
doaj   +1 more source

Research and Application of UAV Nest Dispatching Management System of the Transmission Line [PDF]

E3S Web of Conferences
To address the issues of insufficient research and unsatisfactory replacement effects of unmanned aerial vehicle (UAV) hangar for transmission line inspection, a dispatch management system and method for UAV hangar for transmission line inspection are ...
Huang Feng, Mai Junjia, Zeng Yihui, Tian Ruixin   +3 more
doaj   +1 more source

Simulation analysis and experimental research on the safety distance of UAV inspection on transmission lines

AIP Advances, 2022
In recent years, unmanned aerial vehicle (UAV) inspection has become one of the main means of daily operation and maintenance of overhead transmission lines.
Xiaopo Mao, Bin Xiang, Zhuang Liu, Suge Tu   +3 more
doaj   +1 more source

A Behavioral Analysis of an Assembly Line Inspection Task [PDF]

Human Factors: The Journal of the Human Factors and Ergonomics Society, 1969
The problem of sustained efficiency in monotonous perceptual tasks is particularly pertinent to industrial inspection. The present research has extended Holland's techniques of behavioral analysis to an industrial framework by analyzing the assembly-line inspection of products.
R V, Badalamente, M M, Ayoub
openaire   +2 more sources