Academic literature on the topic 'Railway on-board subsystem'

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Journal articles on the topic "Railway on-board subsystem"

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Adamski, Dominik, and Łukasz Zawadka. "Integration Tests of ETCS On-board Subsystems Based on the Requirements of the Technical Specifications for Interoperability of the ‘Control-Command and Signalling’ Subsystem." Problemy Kolejnictwa - Railway Reports 65, no. 193 (2021): 69–75. http://dx.doi.org/10.36137/1931e.

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Achieving the interoperability of the European rail system in each Member State requires many measures to standardise the adopted technical solutions and relevant regulations. However, it is likely that there may be some incompatibilities between individual subsystems, even if these subsystems are designed in accordance with standardised requirements. Interoperable rolling stock may be unable to move freely over an interoperable railway line due to some incompatibilities and differences in the versions of the installed firmware in the ETCS system devices. The article discusses the compliance t
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Adamski, Dominik, Andrzej Białoń, and Zwadka Łukasz. "Selected aspects of proper integration between ERTMS/ETCS on-board and trackside devices." MATEC Web of Conferences 294 (2019): 05008. http://dx.doi.org/10.1051/matecconf/201929405008.

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Achieving the interoperability of the European rail system requires many measures to unify technical solutions as well as regulations in each Member State. However, there is a possibility of some incompatibilities between individual subsystems despite generating them in accordance with unified applicable requirements. It is possible that the interoperable rolling stock will not be able to move freely over the interoperable railway line due to some incompatibilities and differences in the versions of the installed firmware in the ERTMS/ETCS system devices. In connection with the above the corre
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Zawadka, Łukasz, and Dominik Adamski. "Selected Aspects of Control-Command and Signalling On-Board Subsystem Verification." Problemy Kolejnictwa - Railway Reports 64, no. 187 (2020): 125–28. http://dx.doi.org/10.36137/1877e.

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This article describes the procedures, standard parameters and control requirements to be performed in order to achieve EC verification of a Control-Command and Signalling On-board Subsystem. An analysis of issues related to the assessment of the on-board subsystem is presented in terms of the necessary checks that must be performed by a notified body and the issues of interoperability tests of the on-board ERTMS with track-side infrastructure. Providing railway interoperability is strictly related to the introduction of unified rules for the assessment and verification of the ETCS and GSM-R s
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Zang, Yu, Wei ShangGuan, Bai-Gen Cai, Hua-Shen Wang, Lovlesh Kaushik, and Michael G. Pecht. "System-Level Fault Prognosis for High-Speed Railway On-Board Systems." Transportation Research Record: Journal of the Transportation Research Board 2673, no. 12 (2019): 584–95. http://dx.doi.org/10.1177/0361198119867673.

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The on-board system is the core part of a train control system that ensures traffic safety and improves operational efficiency. At present, fault data processing methods for on-board systems do not show the degradation of components, subsystems, or the system over time, but only focus on identifying faults after a failure has occurred, so fault prognosis cannot be realized. This paper applies a multilevel flow model based on system-level failure mode and effect analysis. The model defines the primary and secondary alarms, divides the failure modes into different levels, and ranks the risk prio
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Shi, Lijuan, and Jian Wang. "Reliability analysis on the train control system in the CTCS-3 operating mode." Smart and Resilient Transport 3, no. 1 (2021): 25–36. http://dx.doi.org/10.1108/srt-10-2020-0019.

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Purpose This paper aims to study the reliability of the high-speed train operation control system in the Chinese Train Control System Level 3 (CTCS-3) operating mode. Design/methodology/approach Dynamic fault tree and Bayesian network method are adopted to analyze the reliability and weakness of the CTCS-3 system. Findings First, a physical architecture and data flow diagram of the CTCS-3 system are established according to the typical structure and functions of the CTCS-3 system. Second, the dynamic fault tree of the CTCS-3 system is constructed. Considering the prior probability of the botto
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Adamski, Dominik, and Krzysztof Ortel. "Verification of proper integration between onboard ERTMS/ETCS system with polish railway infrastructure." AUTOBUSY – Technika, Eksploatacja, Systemy Transportowe 19, no. 6 (2018): 334–38. http://dx.doi.org/10.24136/atest.2018.088.

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Paper discussed the issues of achieving mutual compatibilyty between Control-Command and Signalling On-board and Trackside Subsystems. Particular attention was paid to tests perfomed for ERTMS/ETCS onboard units.
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Pugi, Luca, Alberto Reatti, and Fabio Corti. "Application of Wireless Power Transfer to Railway Parking Functionality: Preliminary Design Considerations with Series-Series and LCC Topologies." Journal of Advanced Transportation 2018 (December 27, 2018): 1–14. http://dx.doi.org/10.1155/2018/8103140.

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There is a wide literature concerning the application of inductive power transfer (IPT) to light railway systems. In this work, proposed application is innovative with respect to existing literature: static current collection on conventional railway lines is proposed in order to replace the functionalities implemented by conventional battery chargers and the so-called railway “parking” system. According to standards in force, current collection in standstill conditions is limited since pantograph contact shoes and catenary wires have to be protected by thermal overload. These limitations have
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Tarlanov, A. T., and Z. M. Kurbanismailov. "Accounting of the magnetic field of the power supply system of a power-capacitive technical object." Russian Technological Journal 8, no. 6 (2020): 130–42. http://dx.doi.org/10.32362/2500-316x-2020-8-6-130-142.

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The paper shows the approach and the result of taking into account the mutual influence of on-board subsystems of a complex technical object along the DC power supply circuits. Technical objects are understood as a mobile, energy-intensive vehicle, such as an aircraft, a surface or submarine vessel, or a railway locomotive with strong magnetic fields. The aim of the work is to create a simple and intuitive tool for mathematical modeling of the magnetic field vector at an arbitrarily specified observation point. The task is being solved in order to improve the accuracy of magnetic measurements
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Zhelieznov, Konstantyn I., Artem S. Akulov, Oleksandr M. Zabolotniy, et al. "The revised method for calculating of the optimal train control mode." Archives of Transport 51, no. 3 (2019): 21–34. http://dx.doi.org/10.5604/01.3001.0013.6160.

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Development of a method for calculating the optimal mode of conducting a train in terms of energy saving meet the safety requirements and schedules. The method of calculation must solve the assigned tasks without significant time spent on the calculation. To implement this method of calculation was used a simplified model of the train as a controlled system. The existing mathematical and algorithmic methods for solving isoperimetric problems of finding the optimal solution in the presence of restrictions on resources were the information base for methodology development. Scientific works of do
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Zhang, Zhenhai, and Yuerong Wang. "Research on reliability analysis strategy of high-speed train ATP on-board equipment under uncertain information." Proceedings of the Institution of Mechanical Engineers, Part O: Journal of Risk and Reliability, April 12, 2022, 1748006X2210881. http://dx.doi.org/10.1177/1748006x221088158.

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In view of the incomplete knowledge and lack of data, the system has epistemic uncertainties. This paper uses Bayesian network fusion evidence theory to analyze the reliability of high-speed railway ATP on-board equipment. According to the requirements of safety-critical system reliability analysis, this paper starts with the analysis of system structure and unit module status, comprehensively considering the influence of uncertain information, common cause failure, recovery mechanism, and degraded operation on system reliability. In this paper, with the advantage of the Bayesian network in th
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Dissertations / Theses on the topic "Railway on-board subsystem"

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VETTORI, GREGORIO. "Development of an innovative localization algorithm for railway vehicles." Doctoral thesis, 2013. http://hdl.handle.net/2158/798657.

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Book chapters on the topic "Railway on-board subsystem"

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Pugi, Luca, and Benedetto Allotta. "Hardware-In-the-Loop Testing of On-Board Subsystems." In Railway Safety, Reliability, and Security. IGI Global, 2012. http://dx.doi.org/10.4018/978-1-4666-1643-1.ch011.

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In this chapter some case-studies, based on typical topics of industrial research for railways, are introduced in order to emphasize some aspects of the mechatronic design with a particular attention to the integration of actuation systems into rig design.
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Arriola, Almir Villaro, Jon Mendizabal Samper, and Juan Meléndez Lagunilla. "Fault Injection for On-Board ERTMS/ETCS Safety Assessment." In Railway Safety, Reliability, and Security. IGI Global, 2012. http://dx.doi.org/10.4018/978-1-4666-1643-1.ch006.

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On-Board ERTMS/ETCS equipment performs safety related functions where the tolerable hazard rate is kept below 10-9 f/h. Safety standards such as EN50129 or IEC61508 impose requirements on the architecture used to fulfill this safety figure and the associated Safety Integrity Level (SIL). From these standards, the mandatory use of redundancy and physical independence can be derived. Due to the introduction of these requirements, a new functionality is added at the system level (e.g. majority voting processes among redundant lines). Unfortunately, neither the safety nor the interoperability standards provide technical specification that defines how to test the performance of the complete system when internal malfunction has occurred in safety related components. This chapter proposes the use of fault injection techniques to facilitate safety assessment. By means of communication saboteurs, it is possible to excite and test the associated internal functionality in systems performing safety related functions. The chapter also contributes to the definition of the test setup and test procedure of the architecture-associated safety-related internal functionality of the SIL4 odometer and Balise Transmission Module (BTM) subsystems within the on-board European Railway Traffic Management System/ European Train Control System (ERTMS/ETCS).
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Conference papers on the topic "Railway on-board subsystem"

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Wang, Yuerong, and Zhenhai Zhang. "Reliability modeling and analysis of on-board subsystem of high-speed railway ATO system based on Bayesian network." In 5th International Conference on Traffic Engineering and Transportation System (ICTETS 2021), edited by Yongkang Xing. SPIE, 2021. http://dx.doi.org/10.1117/12.2619970.

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Westfechtel, Simon, Ingo Elsen, Raphael Pfaff, and Marcel Remmy. "Simulation of Big Data from Railway Braking." In EuroBrake 2021. FISITA, 2021. http://dx.doi.org/10.46720/8277610eb2021-ibc-003.

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Condition Monitoring (CM) offers opportunities for improvement of safety, availability while typically also reducing maintenance cost. For some asset classes however, large up-front investments are required. Most notably, for the wagon subsystem of the freight rail system, a close monitoring of brake performance using on-board sensors for monitoring of the brake hardware using e.g. force sensor appears expensive and economically not viable. The approach outlined in this paper picks up on the approach of the author's contribution to Eurobrake 2019, where a big data approach merely based on acce
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