Automatic defect detection of fasteners on the catenary support device using deep convolutional neural network
The excitation and vibration triggered by the long-term operation of railway vehicles
inevitably result in defective states of catenary support devices. With the massive …
inevitably result in defective states of catenary support devices. With the massive …
Deep architecture for high-speed railway insulator surface defect detection: Denoising autoencoder with multitask learning
G Kang, S Gao, L Yu, D Zhang - IEEE Transactions on …, 2018 - ieeexplore.ieee.org
The insulator is an important catenary component that maintains the insulation between the
catenary and earth. Due to the long-term impact of railway vehicles and the environment …
catenary and earth. Due to the long-term impact of railway vehicles and the environment …
Contact wire irregularity stochastics and effect on high-speed railway pantograph–catenary interactions
In high-speed rail operations, contact wire irregularity (CWI) in a catenary is a common
disturbance to the pantograph-catenary interaction performance, which directly affects the …
disturbance to the pantograph-catenary interaction performance, which directly affects the …
Automatic detection and monitoring system of pantograph–catenary in China's high-speed railways
S Gao - IEEE Transactions on Instrumentation and …, 2020 - ieeexplore.ieee.org
With the rapid growth of China's high-speed railway mileage, relevant safety technologies of
railway operation are very urgent at present. One of the crucial parts is the pantograph …
railway operation are very urgent at present. One of the crucial parts is the pantograph …
Detection approach based on an improved faster RCNN for brace sleeve screws in high-speed railways
Brace sleeve screws are an important component of catenary support devices in high-speed
railways. According to the statistical data, there is a much risk for failure of brace sleeve …
railways. According to the statistical data, there is a much risk for failure of brace sleeve …
Automatic detection of surface defects based on deep random chains
Defect detection is critical in production systems. The traditional methods are primarily
manual, prohibiting its large-scale industrial application. The current deep learning methods …
manual, prohibiting its large-scale industrial application. The current deep learning methods …
Adversarial reconstruction based on tighter oriented localization for catenary insulator defect detection in high-speed railways
The catenary insulator maintains electrical insulation between catenary and ground. Its
defects may happen due to the long-term impact from vehicle and environment. At present …
defects may happen due to the long-term impact from vehicle and environment. At present …
UAV-LiDAR-based measuring framework for height and stagger of high-speed railway contact wire
The height and stagger of the contact wire directly affect the energy supply of high-speed
trains. To ensure the operation safety, there is an urgent demand for high-speed railways to …
trains. To ensure the operation safety, there is an urgent demand for high-speed railways to …
A survey on automatic inspections of overhead contact lines by computer vision
L Yu, S Gao, D Zhang, G Kang, D Zhan… - IEEE Transactions on …, 2021 - ieeexplore.ieee.org
Automatic inspections of overhead contact lines (OCLs) are developed to implement
anomaly detection during normal operation. It is an essential prerequisite for efficient …
anomaly detection during normal operation. It is an essential prerequisite for efficient …
An outdoor support insulator surface defects segmentation approach via image adversarial reconstruction in high-speed railway traction substation
As a result of high-voltage electricity and outdoor environment in high-speed railway traction
substation, insulator surface defects are inevitable. However, most of the current …
substation, insulator surface defects are inevitable. However, most of the current …