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Publications related to Rails (10,000)
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Article
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It is not just a rail driver but a “system” that drives a train and network controllers apply non-technical skills to facilitate their role as part of a team. However, because of siloed and distributed working, scenarios exist where network controllers may inadvertently increase operational safety risks. The aim of this study was to generate a bett...
Article
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Diesel cycle engines are widely used in a wide range of agricultural activities. Recently, with the increasing use of biodiesel mixed with petroleum diesel and the introduction of pollutant emission regulations for agricultural and road machinery, there has been a growing migration from mechanical to electronic fuel injection systems. In this exper...
Article
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Prediction of the train body vibrations induced by the train running is desirable and useful to ensure comfortable service, reliable, safe, and secure operation of railway systems. By using daily measurement data from GJ-5 rail detection vehicle, this paper presents a novel prediction algorithm , which is based on bagged tree ensemble regression wi...
Chapter
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The aim of this chapter is to explore how infrastructure and travel within and between smart cities may be affected by pandemics such as COVID-19 and what can be done to improve travelling during pandemics in the future. This chapter discusses the historical context of infrastructure and the spread of pandemics, and the subsequent need of promoting...
Article
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The research examines the implication of Nigeria’s lopsided land transport structure for performance and efficiency in the freight transport sector using the Lagos–Kano corridor as a case study. A comparative analysis of road and rail performance in freight transport using defined performance indicators shows that road transport performed better on...
Article
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The Shift2Rail project Pivot2 introduces an innovative metro vehicle with two single axle running gears with only one suspension step to reduce the vehicle’s weight. A U-shaped connection frame is designed in Carbon Fibre Reinforced Polymer to further reduce weight and incorporate the anti-roll bar. Due to the poor ride comfort of the vehicle with...
Article
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The multi-port energy router (ER) is an effective topology for integrating train traction load, AC load, the energy storage system and photovoltaic(PV) energy. The start and stop process of urban rail transit trains and the access of distributed energy sources to rail transit ER lead to serious fluctuations of DC bus power, so it is necessary to ro...
Article
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For Europe's urban agglomerations to be economically competitive, it is vital that international destinations be easily accessible. Although much has been invested in the construction of European rail infrastructure over the past century, passenger transport by rail has not grown as fast as transport by road and air. So why do people not use intern...
Article
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The transportation sector is considered one of the most important sectors affecting the planning and development of cities. It is the responsible sector for traffic and transport inter- and intra-cities through the mass transit systems, which reflect the civilization, urban, economic, and social levels of cities. The importance of this study lies i...
Article
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Several cities around the world rely on urban rail transit systems composed of interconnected lines, serving massive numbers of passengers on a daily basis. Accessing the location of passengers is essential to ensure the efficient and safe operation and planning of these systems. However, passenger route choices between origin and destination pairs...
Article
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This study was conducted to evaluate the association between psychological impacts of delay on commuters and three indictors of the rail transport real-time information. The case study experienced sporadic long delay and simultaneously imprecise real-time information. Three dependent variables related to the passenger information system (PIS) were...
Article
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Dispersive signals are omnipresent in structural health monitoring and nondestructive testing. Due to the strong dispersion and multimodal characteristics, such signals often contain multiple components with frequency-varying group delays (GDs) overlapping in time–frequency (TF) domain, bringing great challenges to the existing signal processing me...
Article
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Growing spatiotemporal imbalance in supply and demand in ride-hailing services has been arousing concern. A variety of measures in the perspective of ride-hailing services per se is studied. However, approaching the imbalance problem in the broader perspective of intermodal mobility, which integrates different modes of passenger transportation in a...
Article
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Given the importance of the environment around the world and its accelerating destruction brought on by the increase in emissions resulting from the growing use of various forms of transportation, this paper shall aim to eliminate this research gap via a thorough investigation of the literature. These goals include the effect of greenhouse gases em...
Article
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Excessive physical demand at work has traditionally been connected with adverse health outcomes, but excessive sitting is now also being recognised as an occupational hazard and emerging work-related risk. Traditional preventive occupational health and ergonomics programs are useful but limited through reliance on individual behaviour change and ti...
Article
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The thermal efficiency of a CI engine is better than that of an SI, which leads to increased fuel economy. However, emissions of NOx induced by diesel fuel combustion characteristics are a key source of concern. The combustion and exhaust properties of a diesel engine operating on diesel–gasoline mixtures were examined at different fuel injection a...
Conference Paper
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Over the last years, the engine calibration task has mostly been conducted based on the engineers' knowledge. As a result, considering the complexity of modern engines, finding the most suitable configuration for each situation has become an impractical and expensive task. Apart from causing engines to be produced with inadequate calibration config...
Article
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The positive effects of under sleeper pads have already been proven by track and laboratory tests worldwide. In Austria, padded concrete sleepers reduce track deterioration by 50 percent and have therefore been used as standard components since 2010. As the pads increase material costs, many infrastructure managers have discussed the idea of coveri...
Presentation
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An overview analysis of the issue of tribodiagnostics in rail transportation has been presented. First, the term "tribodiagnostics" was defined as a branch of technical diagnostics, the relationship between tribodiagnostics and tribology, and friction and its negative effects occurring in machinery and equipment. Then the object of research - rail...
Chapter
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This paper is based on the crack and object detection of rail tracks for safe railway transportation in Bangladesh and to reduce the rail accidents due to derailment, which is caused by cracks of the railway tracks. An IoT-based solar-powered automatic crack and object detection vehicle called “Crack and object Identifier Vehicle’’ is proposed to d...
Article
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Objectives The objective of this paper is to improve understanding of the spatial relationship of the built environment (BE) with urban gun crime and how the influence of environmental features varies across geographic location and socioeconomic context. Specifically, we analyze associations between incidents of reported firearms violence and dista...
Article
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In the network operation and management of rail transit systems, the occurrence of unexpected events causes damage to the network structure, further hindering regional accessibility performance and the function of the system. This study is based on the rail transit operation schedules in 2009, 2013, 2016, 2019 and 2022. We construct a directional w...
Article
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Annotation: The study describes the arrangement of the string rail track structure and string rail; a test section of the track structure with flexible rail at the uSky Transport Center in Sharjah (UAE) is presented. Aim: analysis of rigidity of flexible rail under action of transport load and its dependence on temperature impact, as well as calcul...
Article
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Congestion and extended passenger waiting time are some of the key issues that the Addis Ababa Light Railway Transit service (AALRT) faces. Passengers waited an average of 14.33 minutes, resulting in congestion of passengers. This is why the study set the main objective to develop an optimization model for improving AALRT service. The study began b...
Book
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Neil Douglas updates the value of rail travel time used in economic evaluations by NSW metropolitan railways. The values were estimated by Stated Preference market research which was designed by Neil Douglas and implemented by RailCorp NSW. As well as estimating the value of onboard rail travel time, the market research estimated the value of trave...
Article
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The ticket booking control mechanism is a part of the Revenue Management (RM), commonly used in the airline industry. This study aims to optimize seat allocation in the railway industry and compare the performance of three booking control techniques by considering customer behavior. The preferences of customers who cannot find their desired ticket...
Article
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The issues of efficiency improvement in hydrodynamic (liquid) or limit (semi-liquid) modes of friction of gears with an asymmetric profile and the effect of the liquid on tooth damage, power loss and temperature in contact, as well as the role of an elastic medium that dampens shocks and changes contact lines, are considered. In many gears, the too...
Book
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Poniższa praca „Zarządzanie bezpieczeństwem w przedsiębiorstwie kolejowym na przykładzie Polskich Linii Kolejowych S.A.” zajmuje się tematyką bezpieczeństwa w sektorze kolejowym. Zidentyfikowane zostały zagadnienia w aspekcie nowego Programu poprawy bezpieczeństwa na obszarze zarządzanym przez Polskie Linie Kolejowe. Do napisania pracy wykorzystano...
Article
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After several decades of decline, night train services have gained momentum in recent years. However, the willingness to use night trains as an alternative to airplane travel has so far received only limited research attention. This paper addresses this knowledge gap by presenting the results of a two-stage stated preferences survey comprising of a...
Article
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Plane-strain motion of a flexural seismic metasurface in the form of a regular array of thin Kirchhoff plates attached to the surface of an elastic half-space is analysed. Two types of contact conditions, including simply supported plates and plates moving along horizontal rails are studied. Dispersion of time harmonic waves is investigated both as...
Article
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With the increasing traveling speed of railway transportation, rail right-of-way intrusions can cause high-consequence accidents and pose severe challenges to railway safety. Although intrusion detection technologies have been widely studied and applied, they can only support in-event inspection and post-event control. In the current complex enviro...
Article
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The application of artificial intelligence (AI) technology in the field of power systems and power electronic devices is increasingly prevalent.With massive datasets generated by a wide range of equipment, AI-based modeling is promising in the future of hardware-in-the-loop (HIL) emulation. This paper studies and improves the machine learning (ML)...
Article
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Noise pollution is one of the environmental factors that severely threaten humans’ mental, emotional, and physical health. One of the most significant sources of this pollution is the noise generated by traffic and urban transportation, mainly the urban railway. This paper assessed noise pollution at stations, passenger cars, and the train operator...
Article
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Introduction. The problem of determining the train coordinates on the approach section to the crossing is associated with the impact of destabilizing factors on the information primary detector ? the rail line with distributed parameters. This leads to an error in calculating train coordinates. The aim of the study is to develop and scientifically...
Article
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The effects of the studies performed for the development of cells, which are the fundamental components of electrochemical battery units are felt in many different areas such as electric rail transportation systems, battery-based energy storage systems, battery units in electric vehicles, and energy storage units for individual use. For this goal,...
Article
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The authors have previously proposed and tested a method for increasing the wear resistance of heavy-loaded friction pairs by saturating industrial lubricants with the metallic nanopowder of the friction pair’s component that has a lower hardness. To confirm the effectiveness of this concept, this paper presents the results of experimental investig...
Preprint
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To guarantee fair and nondiscriminatory access to rail networks, European Commission raised the importance of regulation by promoting short run marginal cost. Thus, to recover the full cost of infrastructure, Infrastructure Managers may use mark ups over the marginal cost, using Ramsey pricing for example. However, a Ramsey pricing implementation f...
Article
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The railgun is a promising weapon, but suffers from poor contact and harsh magnetic field environment. We used the moment of inertia to measure the deformation resistance of the rail, studied the contact characteristics of the railgun by contact force, and compared the performances of different structures of the rail. The magnetic field environment...
Preprint
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Urban sprawl is brought on by migration brought on by the new and exciting prospects in the cities. Cities expand rapidly, which leads to increased population growth and exceeding vehicle expansion. To better understand the features and advantages of Metro Transit surveys on car ownership transit use frequency and trip purpose are crucial. These su...
Article
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The aims of the present article were to (1) estimate population trends for breeding aquatic birds in the Basque Country during the period 2005-2017, (2) estimate the importance of different wetlands according to their relevance for aquatic birds and (3) evaluate the methodology of the programme in order to detect potential biases or shortcomings an...
Article
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How to improve the partial or overall performance of rail transit route network, strengthen the connection between different rail network stations, and form corresponding communities to resist the impact of sudden or long-term external factors has earned a lot of attention recently. However, the corresponding research studies are mostly based on th...
Article
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Rail freight transportation is involved with highly complex logistical processes and requires a lot of resources such as locomotives or wagons. Thus, cost-efficient strategies for routing freight cars in a cargo network are of great interest for railway companies. When it comes to single wagon load traffic, trains are usually formed by collecting i...
Article
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During the movement of rail trains, trains are often subjected to harsh operating conditions such as variable speed and heavy loads. It is therefore vital to find a solution for the issue of rolling bearing malfunction diagnostics in such circumstances. This study proposes an adaptive technique for defect identification based on multipoint optimal...
Article
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With urbanization and the rapid development of social economy, China’s rail transit industry has developed rapidly in recent years. In order to alleviate the pressure of road network, subways provide convenience as they are fast and space-saving. Subway stations are major energy consumers of urban power grid due to their large traffic volume and lo...
Article
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The current natural environment is unpredictable with heavy rains and floods happening from time to time. In order to ensure the safety of underground workers, infrastructure, and rail transit, a mobile and expandable underground flood control wall was optimized and designed. The use of mortise-and-tenon structure splicing and modular extension des...
Article
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Compared with other transportation facilities, high-speed rail (HSR) may be more beneficial to “green development.” Based on a sample of 276 cities in China over 2005–2019, this study calculates the actual and change values of green total factor productivity (GTFP) with the stochastic frontier approach (SFA) and investigates the effect of HSR on GT...
Conference Paper
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Purpose Lupus nephritis (LN) confers poor prognosis, and there is a lack of effective non-invasive tests to assess disease activity and treatment response. We previously showed that a set of six urinary biomarkers (NGAL, KIM-1, MCP-1, adiponectin, hemopexin, ceruloplasmin) is sensitive and specific in adult patients with active LN, using renal biop...
Article
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Fuel economy improvement and reducing exhaust emissions are drivers for advancement in engine technology and fuel quality enhancement. The latest generation diesel engine uses a high pressure common rail fuel injection system and after-treatment devices such as selective catalyst reduction (SCR) and diesel particulate filters (DPF) to meet the stri...
Article
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Rail is one of the most energy efficient and economical modes of transportation among many. Regular inspection of railway track health is essential for ensuring robust and secure train operations. Investigations and delayed discovery pose a serious risk to the safe functioning of rail transportation. The traditional method of manually examining the...
Chapter
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Due to the huge vehicle-track-under rail foundation-earth coupling system, the prediction and evaluation of environmental vibration caused by rail transit are subject to the analysis efficiency for a long time. Whether it is test or theoretical simulation, the research object is often limited to specific sensitive points. However, scientific and ac...
Preprint
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Intelligent data-driven monitoring procedures hold enormous potential for ensuring safe operation and optimal management of the railway infrastructure in the face of increasing demands on cost and efficiency. Numerous studies have shown that the track stiffness is one of the main parameters influencing the evolution of degradation that drives maint...
Article
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In this paper, the factors influencing the passenger flow of rail transit stations in Shanghai of China are studied by using the entropy weight-grey correlation model. The model assumptions and the corresponding variables are proposed, including traffic accessibility, built environment, regional characteristics of the district to which the rail tra...
Article
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With increasing service life, stresses occurring in rails show a transition from compressive to tensile nature in the gauge corner, accompanied by extensive gauge corner cracks. It is assumed that the presence of the tensile residual stresses causes the cracks to initiate and propagate. New rails, on the other hand, have tensile residual stresses i...
Article
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We reviewed the various sub-sectors of the Nigerian transport sector with their corresponding energy consumption rates. Results show that all the sub-sectors are solely dependent on fossil fuels to meet their energy demands and requirements, thus making the transport sector the highest consumer of fossil fuels, and consequently, the highest contrib...
Article
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In view of the geological environment, in which the upper part is the “soft” layer of completely weathered siliceous rock and the lower part is the “hard” layer of weakly weathered limestone, the rail surface line is designed to pass through the interface between the upper “soft” layer and lower “hard” layer. First, the MIDAS/GTS software was used...
Article
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With the development of power transmission technology and power electronics, electrified railroads are widely used and pose a great challenge for the power grid. Hybrid energy storage integrates different advantages of multiple energy storage and can cope with the complex energy situation of rail transit. The complementary characteristics of lithiu...
Article
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The impact of climate change is devastating to the marginalized section. The people do not have sufficient resources to cover their heads. The CO2 emission is highest in the urban area, cities are built by deforestation and industrialization but the responsibility of forest conservation lies on the shoulder of rural communities. As we asked for com...
Preprint
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Quantum key distribution with multimode subcarrier wave encoding is propitious for being robust against environmental disturbance. For application in long-distance quantum communications this encoding has to be compatible with entanglement-assisted quantum repeaters that are commonly designed to work with dual rail encodings. We propose and demonst...
Article
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In this paper the contact analysis of elastic layer supported by a wedge is considered in plane. The problem is formulated with closed formed integral equations. The length of the contact region, the pressure between the wedge and the layers, and the pressure between the layer and the punch are unknowns. Both the material and layer are elastic in t...
Article
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Angled guide plates are used to transmit the forces induced by trains, from the rail seat, to the concrete sleepers. Additionally, the design of the angled guide plates, with an appropriate width, supports tilting protection. Considering the updated requirements of the ML-1 railway line, in the Islamic Republic of Pakistan, an optimization design o...