Availability assessment of railway signalling systems with uncertainty analysis using Statecharts

Qiu, Siqi; Sallak, Mohamed; Schön, Walter; Cherfi‐Boulanger, Zohra

doi:10.1016/j.simpat.2014.04.004

Cited by 21 publications

(17 citation statements)

References 30 publications

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“…58 It was created to replace the individual train control and command systems across Europe, providing interoperability for di®erent countries and manufacturers leading to an increase in the e±ciency of tra±c of both passenger and freight trains and the competitiveness of the European railway. 5,55,[59][60][61][62] The realization of interoperability is a precondition for other bene¯ts of ERTMS, such as improved tra±c management, optimized usage of energy and network resource, 63 enhanced pro¯tability, and customer service, with a contribution to overall environmental and energy e±ciency objectives. 59 Besides these, higher levels of safety for high-speed trains with only a few minutes headway between trains, ensured operational reliability and more tra±c within the same infrastructure À À À i.e., better capacity utilization, reduction of maintenance costs, 5,58,[63][64][65][66][67] and the creation of a common market of signaling equipment that also leads to reduction of costs, 58,59,65 are enabled.…”

Section: Description Of the Ertmsmentioning

confidence: 99%

“…Still in its conceptual phase, ERTMS level 3 is a further improvement of the capabilities of level 2. 63 Within this level, balises are optional and when used their purpose is only to update the position information and to transmit position and integrity data back to the interlocking via GSM-R, 61 while track circuits or axle counters are not needed and¯xed block sections are changed with moving block sections in comparison with levels 1 and 2. 57,62,66 With level 3, the reliability and capacity can be further improved, 56,57,60,65 along with a reduction of equipment cost.…”

Section: Bene¯ts Of the Levels Of Ertmsmentioning

confidence: 99%

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A Multi-Criteria Decision-Making Framework for the Evaluation of Train Control Information Systems, the Case of ERTMS

Krmac

Djordjević

2019

Int. J. Info. Tech. Dec. Mak.

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The huge potential o®ered by the implementation of a modern Train Control Information System (TCIS) could result in signi¯cant improvements in the railway sector in general. As a technology transfer, primarily in the European railway sector, the European Rail Tra±c Management System (ERTMS) is expected to play an important role in providing better railway performances. However, the implementation of ERTMS entails certain dilemmas and disadvantages and the decision-making regarding it can be one of the crucial challenges for each railway. Having this in mind, the aim of this work is to propose a decision-making framework to support such a critical decision process through application of Strengths, Weaknesses, Opportunities, and Threats (SWOT) and Analytic Hierarchy Process (AHP) analyses. In the proposed approach, external and internal factors that simultaneously enhance and constrain ERTMS implementation were identi¯ed and presented through the SWOT analysis, while the AHP method was applied for the evaluation of the importance of identi¯ed factors. The thorough literature review represents a basis for creating a SWOT matrix and setting of judgments for the evaluation of the SWOT factors. The results of the AHP method highlight the importance of the factors within the SWOT matrix regarding ERTMS implementation. Results of the AHP method were checked by two additional weight assessments in order to provide the appropriate approach for factor evaluation. The proposed approach also shows a relatively simple and very suitable decision-making framework for consideration of other TCISs, too.

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Section: Description Of the Ertmsmentioning

confidence: 99%

Section: Bene¯ts Of the Levels Of Ertmsmentioning

confidence: 99%

A Multi-Criteria Decision-Making Framework for the Evaluation of Train Control Information Systems, the Case of ERTMS

Krmac

Djordjević

2019

Int. J. Info. Tech. Dec. Mak.

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“…Compared with Level 1 and 2 which are based on a fixed block signalling system, Level 3 allows a moving block signalling system; this means that as the train travels, the track receives the train location and train integrity from the train. Levels 1 and 2 are already widely applied in Europe, while Level 3 is currently under development [11,110]. The ERTMS has been adopted in countries such as South Korea, Taiwan, Turkey, Algeria, Argentina, and New Zealand.…”

Section: Tcis Classesmentioning

confidence: 99%

“…Identification of importance of TCIS and their subsystems through KPT could be useful for policy makers when considering Bpoints^affecting the specific KPT when implementing new or upgrading extant systems. For example, since the construction of the new railway tracks is expensive, it could be useful to know that the implementation of ERTMS could improve capacity (by removing bottlenecks) [12,34,51,71,84,114,128,131], interoperability [12,34,45,50,51,71,85,110,131], safety [6,11,12,19,44,50,51,55,71,75,79,84,85,114,125,128,131], energy efficiency [34, 84,114,131], and efficiency of operation [12,34,84,85,128,131]. Further, according to the authors' opinions, these findings can ensure recognition of interactions between KPT and particular classes of TCIS.…”

Section: Introductionmentioning

confidence: 99%

An evaluation of train control information systems for sustainable railway using the analytic hierarchy process (AHP) model

Krmac

Djordjević

2017

Eur. Transp. Res. Rev.

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Purpose In the process of nowadays efficiency evaluation of any mode of transportation, sustainability results are the most important factor. In regard to railway sustainability, Train Control Information Systems (TCIS) are such advanced systems with important positive impacts. The main purpose of this study was therefore the evaluation of these impacts as well as the evaluation of Key Performance Themes (KPT) for sustainable railways. Methods Firstly a very detailed literature review of papers that have focused on TCIS and their improvements on railway sustainability, published in the scientific journal in the period from 2005 and 2016, was performed. The number of studies was then used as a main criteria in Analytical Hierarchical Process (AHP) evaluations or rankings of these systems and their impacts. Results The paper offers results from the first systematic review of papers which investigate the role of TCIS in terms of sustainability and, additionally, represents a refined approach to TCIS classification with a new classes descriptions. During review KPT for sustainable railways were also identified. Further, AHP evaluated the Train Management and Interlocking Systems and their subsystems as the most important TCIS, and safety and costs of equipment, installation, maintenance and operation as the most important themes. ConclusionsThe results are important for both, scholars for their future research and for other railway stakeholders and decision makers, who must select different systems and technologies for implementation in their railway systems with emphasis on increasing performance and sustainability. The study offers also the opportunities for further research in regard to railway sustainability.

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“…Then, they consider the ERTMS Level 2 as a SoS and evaluate its dependability parameters by considering the unavailability of the whole SoS as an emergent property. In addition, they model quantitatively different kinds of uncertainties in the proposed previous models [4]- [5].…”

Section: Introductionmentioning

confidence: 99%

Performing enhanced rail formal engineering constraints traceability: Transition modes

Mesghouni

2015

2015 International Conference on Industrial Engineering and Systems Management (IESM)

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As defined in the Council directive of 1996, the European Rail Traffic Management System (ERTMS) aims to provide the basic framework to the interoperable rail signaling and train control. Besides, traffic safety depends closely on the analysis, checking and validation of the ERTMS specifications and in the human behavior. These deals are considered on the ANR Project: PERFECT, in which this work fits. Thereby, in this paper it is proposed to use a state model approach to check and validate mode transitions of the ERTMS level 2 specifications. A scenario mode transition example is used to describe the steps of the state model algorithm and to validate it.

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Availability assessment of railway signalling systems with uncertainty analysis using Statecharts

Cited by 21 publications

References 30 publications

A Multi-Criteria Decision-Making Framework for the Evaluation of Train Control Information Systems, the Case of ERTMS

A Multi-Criteria Decision-Making Framework for the Evaluation of Train Control Information Systems, the Case of ERTMS

An evaluation of train control information systems for sustainable railway using the analytic hierarchy process (AHP) model

Performing enhanced rail formal engineering constraints traceability: Transition modes

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