Review of Safety Assessment System on Urban Rail Transit

Gai, Songxue; Zeng, Xiaoqing

doi:10.1007/978-981-13-7542-2_18

Cited by 4 publications

(2 citation statements)

References 12 publications

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“…Urban rail transit is a complex dynamic system that involves multiple tasks [17]. Due to the complexity and unpredictability of rail transit, there are many safety hazards in the equipment and facilities during the operation of urban rail transit [18].…”

Section: Safety Hazards Of Equipment and Facilitiesmentioning

confidence: 99%

Monitoring Scheme for Safety Hazard Status of Urban Rail Transit Operation Equipment and Facilities Based on Blockchain Technology

Li,

Lin

2023

PROMTT

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Urban rail transit plays a very important role in cities’ social and economic development. To ensure the safe and stable operation of urban rail transit operation equipment and facilities, it is necessary to monitor a large number of safety hazard statuses and data and improve the over-centralisation of traditional monitoring. This paper designs a scheme for storing, validating and monitoring the safety hazard status of urban rail transit operation equipment and facilities based on blockchain technology. The safety hazards of equipment and facilities during the operation stage of urban rail transit are listed using the literature analysis method and the case study method. The European RAMS (reliability, availability, maintainability and safety) standard method is used to determine the safety hazard status of equipment and facilities by availability index. Based on the features of the consensus mechanism, smart contract and other features of blockchain technology, this paper designs an overall scheme for storing, verifying and monitoring the safety hazard status of equipment and facilities. This scheme provides a practical operation method for evaluating the safety hazard status of rail transit equipment and facilities, which is conducive to the safety rectification of the entire urban rail transit.

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Section: Safety Hazards Of Equipment and Facilitiesmentioning

confidence: 99%

Monitoring Scheme for Safety Hazard Status of Urban Rail Transit Operation Equipment and Facilities Based on Blockchain Technology

Li,

Lin

2023

PROMTT

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“…For example, predicting the risk of derailments(Liu et al, 2011; He et al, 2014;Jafarian et al, 2012;Zarembski et al, 2006); failure of the track(Jamshidi et al, 2016), earthwork(Crapper, 2014; Okada and Sugiyama, 1994), drainage(Usman et al, 2017), bridge(Yang et al, 2018), tunnels(Beard, 2010), level crossings(Berrado et al, 2010), signals(Zhang et al, 2013) and rolling stock. While all these techniques demonstrate the importance of using available datasets to assess the potential risks and predict LCC, there is a paucity of knowledge associated with decision-making when there is a lack or unavailability of data (Chen Yu, 2019;Gai et al, 2019; Lesnaik et al, 2019;Yan et al, 2019;Sasidharan et al, 2017). Various risk assessment techniques such as Monte Carlo simulation(Sasidharan et al, 2020a), Bayesian(Zhang et al, 2014), Fuzzy logic(Elcheikh et al, 2016), Petri nets(Rama et al, 2016) and fault tree analysis(Ma et al, 2014) are employed to deal with such uncertainties within infrastructure asset management practices.…”

mentioning

confidence: 99%

Risk-informed sustainable asset management of railway tracks

Sasidharan

Torbaghan

2021

Infrastructure Asset Management

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Railway track infrastructure asset management is a challenging problem with added values on safety, society and environment. With railways serving as a key sustainable mode of transportation for passengers and freight, the industry is facing an increasing demand to expand its capacity, availability and speed, resulting in faster deterioration of the ageing railway track infrastructure. Given the constrained maintenance budgets and the environmental challenges posed by climate change, railway asset managers have to identify economically and environmentally justifiable track maintenance strategies without compromising on safety. To this end, this paper proposes a risk-informed approach to arrive at sustainable railway track maintenance strategies while considering the associated track maintenance costs and impacts on train operation (environmental emissions and risk of derailments). Monte Carlo simulation is employed to address data uncertainties associated with track quality data, the costs and benefits of track maintenance and train operation. The proposed approach is successfully applied to the heavy-haul railway lines in Sweden and Australia to compare some alternative maintenance strategies and identify the sustainable one.

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Optimization of Passenger Flow Guidance in Rail Transit Station Based on AnyLogic

Xiong

Liu

2022

Lecture Notes in Electrical Engineering

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Review of Safety Assessment System on Urban Rail Transit

Cited by 4 publications

References 12 publications

Monitoring Scheme for Safety Hazard Status of Urban Rail Transit Operation Equipment and Facilities Based on Blockchain Technology

Monitoring Scheme for Safety Hazard Status of Urban Rail Transit Operation Equipment and Facilities Based on Blockchain Technology

Risk-informed sustainable asset management of railway tracks

Optimization of Passenger Flow Guidance in Rail Transit Station Based on AnyLogic

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