Data-driven technology of fault diagnosis in railway point machines: Review and challenges
Safety and reliability are absolutely vital for sophisticated Railway Point Machines (RPMs).
Hence, various kinds of sensors and transducers are deployed on RPMs as much as …
Hence, various kinds of sensors and transducers are deployed on RPMs as much as …
On the fault detection and diagnosis of railway switch and crossing systems: An overview
Railway switch and crossing (S&C) systems have a very complex structure that requires not
only a large number of components (such as rails, check rails, switches, crossings, turnout …
only a large number of components (such as rails, check rails, switches, crossings, turnout …
A sound-based fault diagnosis method for railway point machines based on two-stage feature selection strategy and ensemble classifier
Contactless fault diagnosis is one of the most important technique for fault identification of
equipment. Based on the idea of contactless fault diagnosis, this paper presents a sound …
equipment. Based on the idea of contactless fault diagnosis, this paper presents a sound …
Contactless fault diagnosis for railway point machines based on multi-scale fractional wavelet packet energy entropy and synchronous optimization strategy
Railway point machines (RPMs) is one of the most vital devices closely related to the
efficiency and safety of train operation. Considering the advantages of contactlessness and …
efficiency and safety of train operation. Considering the advantages of contactlessness and …
Sound based fault diagnosis for RPMs based on multi-scale fractional permutation entropy and two-scale algorithm
Y Sun, Y Cao, G Xie, T Wen - IEEE Transactions on Vehicular …, 2021 - ieeexplore.ieee.org
Considering the advantages of contactless fault diagnosis, a novel sound based fault
diagnosis method for railway point machines (RPMs) is proposed. Firstly, a denoising …
diagnosis method for railway point machines (RPMs) is proposed. Firstly, a denoising …
Railway automatic switch stationary contacts wear detection under few-shot occasions
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 …
size of RAS's Stationary Contacts (SCs) directly affects connectivity of the pivotal control and …
Data-driven optimization of railway maintenance for track geometry
Railway big data technologies are transforming the existing track inspection and
maintenance policy deployed for railroads in North America. This paper develops a data …
maintenance policy deployed for railroads in North America. This paper develops a data …
Fault detection and diagnosis of railway point machines by sound analysis
Railway point devices act as actuators that provide different routes to trains by driving
switchblades from the current position to the opposite one. Point failure can significantly …
switchblades from the current position to the opposite one. Point failure can significantly …
A novel approach to railway track faults detection using acoustic analysis
Regular inspection of railway track health is crucial for maintaining safe and reliable train
operations. Factors, such as cracks, ballast issues, rail discontinuity, loose nuts and bolts …
operations. Factors, such as cracks, ballast issues, rail discontinuity, loose nuts and bolts …
Railway point machine prognostics based on feature fusion and health state assessment
This paper presents a condition monitoring approach for point machine prognostics to
increase the reliability, availability, and safety in railway transportation industry. The …
increase the reliability, availability, and safety in railway transportation industry. The …