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A framework for certification of train location determination system based on gnss for ertms/etcs

Aleš Filip, Salvatore Sabina, Francesco Rispoli
2017 International Journal on Transport Development and Integration  
with a ERTMS Level 2 based system with Virtual Balises and the Ansaldo STS Freight SIL 4 ERTMS Level 2 system based on GPS L1 positioning system in commercial service in Australia.  ...  Special attention is paid to a possible certification strategy in case of external GNSS safety-of-life service employment via an augmentation network.  ...  risk used in GNSS and railway safety integrity concept can be used for evaluation of impact of exposure time, safe down time (EN 50129) and other effects -see Fig. 3 ; • Proper use of fail-safe techniques  ... 
doi:10.2495/tdi-v2-n3-284-297 fatcat:u3kxuleqizaptf7hyf7lv2xfzm

Condition Based Monitoring in Railway

Kh Kim Hung Lee, Dennis Kong Wan Chau
2012 Journal of International Council on Electrical Engineering  
The system is capable of providing early alarm before equipment failure and mitigating incidents which are critical to safety and service performance of the railway.  ...  A user-friendly monitoring and analysis software was also developed to provide real-time alarm and trend prediction on transformer temperature.  ...  A dedicated terminal at the depot maintenance centre displays the latest figures immediately and with the assistance of the analysis software, provides real-time alarm and trend prediction on transformer  ... 
doi:10.5370/jicee.2012.2.1.099 fatcat:7lvpge673be55bdueikqb3bkle

NGCTCS : Next - generation Chinese Train Control System

Lin Junting, Dang Jianwu, Min Yongzhi
2016 Journal of Engineering Science and Technology Review  
A system scheme for the overall structure of the NGCTCS, a train-centric train control system based on combined position technology, and CR-T2T were proposed in this study.  ...  The complicated and redundant structures ensure the reliability and safety of CTCS.  ...  Acknowledgements The study was supported by the National Natural Science Foundation of China (Grant No. 61661025, 61661026) and Natural Science Foundation of Gansu Province (Grant No. 1508RJZA058). _  ... 
doi:10.25103/jestr.096.18 fatcat:sxcpr2q65vclxkb2dfeh6ts5iy

A Safety Management and Signaling System Integration Method for Communication-Based Train Control System

Fei Yan, Chunhai Gao, Tao Tang, Yao Zhou
2017 Urban Rail Transit  
In this paper, a suitable safety management and signaling system integration model are explored according to the CENELEC standards and applied in China.  ...  In order to guarantee the safety of a signaling system for metro, the safety certificate for the trial operation with carrying passengers must be obtained.  ...  The on-board equipment compares the running speed of the train with the MA received in real time.  ... 
doi:10.1007/s40864-017-0051-7 fatcat:vmcwheblzbe47mue5faah5ixmq

Requirements for Big Data Adoption for Railway Asset Management

P. McMahon, T. Zhang, R. Dwight
2020 IEEE Access  
This paper provides a review of the requirements and challenges for big data analytics applications to railway asset management.  ...  Research challenges in railway asset management via application of big data analytics are identified and the future research directions are presented.  ...  These requirements may include real-time analysis of streaming data, identification of owner and labeling of source data in a real-time environment, sharing of data in real-time to provide for safety hazard  ... 
doi:10.1109/access.2020.2967436 fatcat:ui2znhq2jfannlhz5og6mxqbnu

A review on artificial intelligence in high-speed rail

Mingjia Yin, Kang Li, Xiaoqing Cheng
2020 Transportation Safety and Environment  
High-speed rail (HSR) has brought a number of social and economic benefits, such as shorter trip times for journeys of between one and five hours; safety, security, comfort and on-time commuting for passengers  ...  Then, an overview of current AI techniques is presented in the context of smart planning, intelligent control and intelligent maintenance of HSR systems.  ...  Acknowledgements This research work is partially supported by the State Key Laboratory of Rail Traffic Control and Safety (Contract No. RCS2019K005, Beijing Jiaotong University).  ... 
doi:10.1093/tse/tdaa022 fatcat:lwxjywyk5jcb7leh6vesftwgze

A Framework for Vulnerability Detection in European Train Control Railway Communications

Irene Arsuaga, Nerea Toledo, Igor Lopez, Marina Aguado
2018 Security and Communication Networks  
In this article we introduce a framework that attempts to challenge ERTMS security by evaluating the exploitability of these vulnerabilities.  ...  Railway systems have evolved considerably in the last years with the adoption of new communication technologies.  ...  Acknowledgments This research work was supported by the Spanish Government through the SAREMSIG TEC2013-47012-C2-1-R project, Proyectos de I+D+I Retos Investigación 2013, and by the Cyber Security on Rails  ... 
doi:10.1155/2018/5634181 fatcat:ywll7odyrvebliylhlfiadjuku

Application of fuzzy theory for identifying the required availability of an autonomous localization unit in European Train Control System

Khanh T. P. Nguyen, Julie Beugin, Marion Berbineau, Juliette Marais
2019 Journal of Intelligent Transportation Systems / Taylor & Francis  
ABSTRACT KEYWORDS According to the evolution tendency of the control decision process from a trackside to a train-borne system, various autonomous localization units for railway vehicles were developed  ...  As recommended in railway standards, the design process of each system, here the autonomous localization units (LU), follows the V-model whose first step is to define its availability requirement in order  ...  In recent years, the evolution of the control process from a trackside to a train-borne system is a promising solution to solve this issue.  ... 
doi:10.1080/15472450.2018.1525533 fatcat:5yik5oj2obexzig5ytg6vsl4em

Human Factors Considerations for the Application of Augmented Reality in an Operational Railway Environment

Neil Hall, Christopher Lowe, Robin Hirsch
2015 Procedia Manufacturing  
Design, implementation and operation of any new systems in the railway environment will generate a host of new human-related problems and successes that will require fundamental and applied understanding  ...  AR mixes virtual and actual reality by supplementing a view of the real world with added computer generated sensory inputs in the form of graphics, video, sound and location data.  ...  Acknowledgements The authors would like to thank Alex Greaves of Frankly Nonsense ltd for his creative support in producing digital artwork shown in Fig. 1 .  ... 
doi:10.1016/j.promfg.2015.07.333 fatcat:u3xjrvowrrfz5ncy6cchzemixe

Safepower Project: Architecture For Safe And Power-Efficient Mixed-Criticality Systems

Maher Fakih, Alina Lenz, Mikel Azkarate-Askasua, Javier Coronel, Alfons Crespo, Simon Davidmann, Juan Carlos Diaz Garcia, Nera González Romero, Kim Grüttner, Sören Schreiner, Razi Seyyedi, Roman Obermaisser (+6 others)
2017 Zenodo  
The EU project SAFEPOWER1 targets this research gap and aims to introduce certifiable methods to improve the power efficiency of mixed-criticality real-time systems (MCRTES).  ...  This article will introduce the requirements that a power efficient SoC has to meet and the challenges such a SoC has to overcome.  ...  properties such as real-time, power, and temperature for safety/certification in mixed-critical systems.  ... 
doi:10.5281/zenodo.1216870 fatcat:46gbqu45lzct5mhsspuqt5i4wm

A Temporal Qos Ontology For Ertms/Etcs

Marc Sango, Olimpia Hoinaru, Christophe Gransart, Laurence Duchien
2015 Zenodo  
Since this system is a real-time and critical system, generic ontologies, such as OWL and generic ERTMS ontologies provide minimal support for modeling temporal information omnipresent in these SRS documents  ...  To support the modeling of temporal information, one of the challenges is to enable representation of dynamic features evolving in time within a generic ontology with a minimal redesign of it.  ...  challenges is to enable representation of dynamic features evolving in time within a generic ontology with a minimal redesign of it.  ... 
doi:10.5281/zenodo.1337814 fatcat:z72zcwcz3vedrfhssqpwmxivda

Situation-aware Authenticated Video Broadcasting over Train-trackside WiFi Networks

Yongdong Wu, Dengpan Ye, Zhuo Wei, Qian Wang, William Tan, Robert H. Deng
2018 IEEE Internet of Things Journal  
This paper presents a situation-aware authenticated video broadcasting scheme in the railway network which consists of train, on-board sensor, trackside GSM-R (Global System for Mobile Communications-Railway  ...  Specifically, the scheme has four modules: (1) a train uses its on-board sensors to obtain its speed, location, and RSSI (Received Signal Strength Indicator) of train-trackside WiFi channel; (2) the train  ...  Nonetheless, handover is still one of major challenging factors for real-time video delivery in dynamic and hostile environments. B.  ... 
doi:10.1109/jiot.2018.2859185 fatcat:atcrrv7l35emthmb532pwxvqfq

Railway Capacity Enhancement with Modern Signalling Systems – A Literature Review

Matea Mikulčić, Tomislav Josip Mlinarić
2021 Promet (Zagreb)  
In times of ever stronger awareness of environmental protection and potentiation of a beneficial modal split, the railway sector with efficient asset utilization and proper investment planning has the  ...  Continuous increase in railway demand leads to an increase in the utilization of railway infrastructure, and the inevitable lack of capacity, a burning problem that many national railways are continually  ...  The railway capacity improvement methods and the derived expansion models are applied to solve the lack of capacity of identified critical locations or to design a completely new railway network.  ... 
doi:10.7307/ptt.v33i1.3664 fatcat:fdbtl3lkp5e67pyrhtjiiv4qbm

EGNOS service evaluation in railway environment for safety-critical operations

Juliette Marais, Julie Beugin, Jean Poumailloux, Marc Gandara
2018 Zenodo  
However, such localization applications requires a high level of accuracy and safety that deserve to use the best potential of satellite-based technologies.  ...  In this paper, after introducing the needs and the basic principles of these systems, we describe the limitations caused by the specificities of railways and some solutions perspectives proposed by the  ...  Acknowledgements The STARS project has received funding from the European Union's Horizon 2020 research and innovative program under grant agreement No. 687414.  ... 
doi:10.5281/zenodo.1446073 fatcat:kf6fcaiqsngillpef4tiqfq57q

Method to assess and optimise dependability of complex macro-systems: Application to a railway signalling system

David Vernez, François Vuille
2009 Safety Science  
Acknowledgment We are indebted to the Swiss Federal Railways (SBB) who allowed us to publish the application to the Loetschberg Railway line.  ...  Such a compensating provision has a positive effect on the system availability, but reduces in the same time the safety level.  ...  Therefore, the evaluation of the system performance based on this data may significantly differ from the real system performance.  ... 
doi:10.1016/j.ssci.2008.05.007 fatcat:sndf6zidljg4vplnt7mqs5yeri
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