With the progress of power electronic devices in electric railway, harmonics in power systems become increasingly of concern. This paper presents a case study on harmonics in a traction power supply system. The study was based on measurements realized in an electrical drive station using a data acquisition system and a computer. It was analyzed the main power quality indicators: the power facto...

In order to increase the robustness of a railway system, the detailed analysis for a combination of tracks, signalling systems, timetables and operation of trains is indispensable. We introduce an approach to foresee and analyse punctuality for railway lines where trains are densely operated. Our approach consists of three phases, namely, the analysis of the current situation of train operation...

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 affect railway operations, with potentially disastrous consequences. Therefore, early detection of anomalies is critical for monitoring and managing the condition of rail infrastructure. We present a data mining sol...

Image processing applications have their wide ranged importance in today's world. Railway track detection is one of the hot research areas in visioning systems. An efficient algorithm and high quality images of railway tracks are required for accomplishing the desired task. Images produced by Google maps and Google earth are generally not so extraordinary. Their degraded quality affects th...

In the EU Horizon 2020 Shift2Rail MultiAnnual Action Plan, the challenge of railway maintenance is generating knowledge from data and/or information. Therefore, we promote a novel concept called “IN2CLOUD,” which comprises three sub-concepts, to address this challenge: 1) A hybrid cloud, 2) an intelligent cloud with hybrid cloud learning, and 3) collaborative management using asset-related data...

Ballast as a part of the railway system plays an important role in the operation of the railways and also has a great impact on repair and maintenance activities. Hence most of the repair and maintenance activities in traditional railway systems are due to the defections in the ballast layer and therefore most of the maintenance budget is spent on repairing these defects. These repair and maint...

Railway wireless communication has become an indispensable part to provide the reliability and safety of the railway operation as well as the improved railway services. In addition, advanced mobile communication technologies have triggered new railway customer services. Thanks to many benefits of the 4-generation mobile communication technology, long-term evolution (LTE), this technology is one...

Despite the constantly increasing demand of passengers and goods transport in Europe, the share of railway traffic is decreasing. One major reason appears to be congestion, which in turn results in frequent delays and in a general unreliability of the system. This fact has triggered the study of efficient ways to manage railway traffic, both off-line and real-time, by means of optimization and ...

Complex railway networks typically consist of widely diffused OD-pairs by which it is impossible to provide direct trips only. Therefore, passengers often have to change trains at transfer stations. Guaranteeing scheduled connections is complicated by delays during operation. To improve and maintain the quality of transfers requires optimal scheduling and control of connections at transfer stat...