Fault detection for point machines: A review, challenges, and perspectives

X Hu, T Tang, L Tan, H Zhang - Actuators, 2023 - mdpi.com
Point machines are the actuators for railway switching and crossing systems that guide
trains from one track to another. Hence, the safe and reliable behavior of point machines are …

Railway automatic switch stationary contacts wear detection under few-shot occasions

X Hu, Y Cao, Y Sun, T Tang - IEEE transactions on intelligent …, 2021 - ieeexplore.ieee.org
Railway Automatic Switch (RAS) plays a crucial role in Turnout Switching System (TSS). The
size of RAS's Stationary Contacts (SCs) directly affects connectivity of the pivotal control and …

MYOLOv3-Tiny: A new convolutional neural network architecture for real-time detection of track fasteners

H Qi, T Xu, G Wang, Y Cheng, C Chen - Computers in Industry, 2020 - Elsevier
Real-time detection of fasteners is of great significance for improving the inspection
efficiency of railway tracks. However, the task is also challenging due to the limited memory …

Railway turnout system RUL prediction based on feature fusion and genetic programming

C Chen, T Xu, G Wang, B Li - Measurement, 2020 - Elsevier
The remaining useful life (RUL) prediction of railway turnout systems (RTS) is very important
to avoid unplanned shutdowns and reduce labor costs for the normal operation of railways …

A hierarchical method based on improved deep forest and case-based reasoning for railway turnout fault diagnosis

Y Zhang, T Xu, C Chen, G Wang, Z Zhang… - Engineering Failure …, 2021 - Elsevier
Railway turnout system (RTS), which is widely laid along the railway tracks, is one of the
most crucial devices in the whole railway infrastructures. Unpredictable outdoor weather …

Evaluating degradation at railway crossings using axle box acceleration measurements

Z Wei, A Núñez, Z Li, R Dollevoet - Sensors, 2017 - mdpi.com
In this paper, we investigate the capability of an axle box acceleration (ABA) system to
evaluate the degradation at railway crossings. For this purpose, information from multiple …

Fast Detection of Railway Fastener Using a New Lightweight Network Op-YOLOv4-Tiny

J Liu, Y Qiu, X Ni, B Shi, H Liu - IEEE Transactions on Intelligent …, 2023 - ieeexplore.ieee.org
Fast detection of fasteners is important to improve the efficiency of railroad maintenance.
However, this task remains challenging due to the limited computing resources of inspection …

An adaptive transmitting scheme for interrupted sampling repeater jamming suppression

C Zhou, F Liu, Q Liu - Sensors, 2017 - mdpi.com
The interrupted sampling repeater jamming (ISRJ) based on a digital radio frequency
memory (DRFM) device is a new type of coherent jamming. This kind of jamming usually …

Fault prediction of railway turnout systems based on improved sparse auto encoder and gated recurrent unit network

Y Zhang, Y Cheng, T Xu, G Wang… - IEEE Transactions on …, 2021 - ieeexplore.ieee.org
Railway turnout systems (RTS), as one of the most critical ground infrastructures of the high-
speed rail, which directly impact the railway operation safety, are also susceptible to …

Predictive maintenance on railway turnout system: A systematic literature review

ZA Pratama, F Hidayat - … Conference on ICT for Smart Society …, 2022 - ieeexplore.ieee.org
Train passengers in Indonesia reached 453 million in 2019. That fact shows that train use is
in high demand in Indonesia. Therefore, railway operational equipment availability must be …