Avslutade projekt

Anomaly detection and system diagnostics

The goal is to develop a train based system for monitoring track defects and rail track components

A pre-study on wheel/rail interface friction management

Important questions to address are e.g. the optimal friction value at low temperatures, application techniques, optimal surface topography for application of friction modifiers and techniques for measuring friction online/on-board.

AI-Human Collaboration for improved Situation Awareness in the maintenance domain

The goal of this project is to explore the human abilities to develop Situation Awareness of the changing situations of engineering systems in order to facilitate maintenance and make recommendations to improve Situation Awareness about intelligent maintenance systems.

Anomaly detection using Support vector machines on overhead contact wire

The Support Vector Regression (SVR) is used to model the dependency between vertical acceleration and the other factor such as uplift, train speed, height of the wire. Correlation is used to find the significant factors which influence the vertical acceleration.

ARINKA

Arctic Railway Infrastructure in Kolarctic

Aspects of improving punctuality: from data to decision in railway maintenance

The purpose of the research presented in this thesis is to explore and describe information and requirements related to railway punctuality in order to support systematic improvements. The focus is on delay causes related to infrastructure maintenance.

Automain

The aim of the project is to make the movement of freight by rail more dependable, i.e. reliable, available, maintainable and safe through the generation of additional capacity on the existing network.

Automatic detection of railway fasteners and track defects

Automate the inspection of rail fasteners, defect insulation joints and other rail defects, using a robust system based on magnetic field variations measurement.

Bayesian reliability modeling for railway infrastructure

This new context driven Bayesian maintenance scenario will promote sustainable and cost-effective asset efficiency optimization in railway PHM and it will help us move closer to the ultimate goal of intelligent maintenance.

Big Data Analytics for Fault Detection and its Application in Maintenance

This research has developed an Angle-based Subspace Anomaly Detection (ABSAD) approach to fault detection in high-dimensional data. The efficacy of the approach is demonstrated in analytical studies and numerical illustrations.

Bothnian Green Logistic Corridor (BGLC)

The aim of the project is to present quantifiable, green, resource-efficient and reliable transport solutions that meet the needs of the future.

Condition Based Maintenance of Rail Infrastructure Using Internet of Things Loggers

Develop and field test IoT data loggers for condition based maintenance of rail infrastructure.

Condition monitoring, prediction and management of railway track assets

The aim of the project is to develop a predictive maintenance approach for the Stockholm subway and commuter train traffic.

Context-driven maintenance decision support in eMaintenance

Liangwei Zhang, Ramin Karim & Phillip Tretten

Data processing method based on genetic algorithm for assuring maintenance

Prognostics of maintenance costs for electrical fans owned by Trafikverket is performed by using Genetic algorithms.

DeCoTrack, Track degradation modelling and analysis related to change in railway traffic

The model simulates changes in degradation rate of the track due to changes in traffic characteristics.

Dependability and safety evaluation of railway signalling systems based on field data

The purpose of this study is to propose tools to assess the dependability and safety of infrastructure signalling systems in the operation and maintenance phase, to support continuous improvement.

Developing a method for the specification and selection criteria for technical systems and equipment

The aim of the project is to develop methods to find optimal technical specifications and optimal selection of the products.

Development and Implementation of RAMS and LCC Model for Railway Track System

The application of RAMS (Reliability, Availability, Maintainability and Safety) analysis for railway infrastructure is limited. The focus of this thesis was therefore to demonstrate the applicability of RAMS and LCC analyses for railway infrastructure and present models for effective infrastructure maintenance planning.

Development of a demonstrator for eMaintenance for railway

To collect the necessary data from the research station on the Western Main Line and the Ore Railway, develop, adjust and integrat resources (hard and software) to suit set requirements.

Development of life cycle cost model and analyses for railway switches and crossings

During the course of this research study, reliability and maintainability characteristics of switches and crossings are analysed using real data from Banverket. In addition, an LCC model is developed using information from Banverket. By applying this model, correct maintenance and investment decisions can be made.

Development of SVM model for reliability analysis of railway system

The aim of the research was to develop and demonstrate the applicability of SVM models to identify abnormal state and indentify the onset of failures in railway infrastructure.

Drift av stora kraftsystem med små mängder av fysiskt tröghetsmoment

Projektet har hanterat upplevd problematik gällande instabilitet i järnvägselnätet (även kallat banmatningsnätet). I takt med att järnvägselnätet i Sverige byggts ut med ökad andel statiska omriktare har den fysiska trögheten i systemet minskat. Allmänt har nätet även ändrat karaktär gällande framförallt transienta förlopp.

Dynamic Maintenance Programme

An information logistic framework will be developed for increased effectiveness and efficiency of the dynamic maintenance program process, with regard to the goal levels of service qualities for different asset types throughout their whole life cycle.

Effective maintenance execution with human factor interventions

To develop easy to implement guidelines for good maintenance practices through human factor interventions.

Effects of top-of-rail friction modifiers on the friction, wear and cracks of railway rails

The project examines if the top-of-rail lubrication will reduce the wheel/rail forces and if the lubrications can be used in cold climates.

Effects on increased axle load for heavy freight trains

The goal is to investigate and understand the consequences for increasing the axle load on LKAB:s ore trains from 30 to 32,5 tons.

eMaintenance infrastructure for enhanced information logistics

Olov Candell, Alireza Ahmadi & Ramin Karim

eMaintenance solutions for predictive maintenance support

Liangwei Zhang, Ramin Karim and Phillip Tretten

eMaintenance solutions to Effective Decision-making in maintenance

Mustafa Aljumaili, Yasser Ahmed Mahmood, Olov Candell & Ramin Karim

Evaluation of wayside condition monitoring technologies for condition-based maintenance of railway v

The purpose of this thesis is to study and analyze wayside condition monitoring equipment for railway vehicles, in order to support the implementation of a condition-based maintenance strategy.

Förstudie: RAMS/LCC i projektering

Syftet är att ta fram tillämpningar och metoder för att använda RAMS och LCC i projekteringsfasen. Målet är att öka funktions-, drift- och leveranssäkerhet samt underhållsmässigheten på järnvägsanläggningar genom att förändra projektörens beteende att förlita sig på föreskrifter istället för att med hjälp av RAMS/LCC uppnå samma eller bättre resultat (samt skapa klimat för innovation och samtidigt beakta bästa kostnadseffektivitet under anläggningens hela livscykeln.

Harmonisation of asset management definitions and data quality assurance in rail transport

The project aims to harmonise Swedish-English asset management definitions and to assess operation and maintenance data quality within rail transportation

Harmonisation of asset management definitions and data quality assurance in rail transport

The project aims to harmonise Swedish-English asset management definitions and to assess operation and maintenance data quality within rail transportation.

Improve availability and reduced life cycle cost of track switches

This project has developed a LCC model taking into account diagnostics data from track recording cars (used in Sweden) and also a prognostics tool for more efficient maintenance strategies of track switches.

Improved condition assessment through statistical analysis

Advanced statistical analysis of data and signals that are acquired via sensors and control systems within the railway and via external measurement and monitoring.

Improvement of Railway Infrastructure Capacity through Effective Maintenance

Stephen Famurewa, Behzad Ghodrati, Matti Rantatalo & Uday Kumar

In2Rail

IN2RAIL is to set the foundations for a resilient, consistent, cost-efficient, high capacity European network by delivering important building blocks that unlock the innovation potential that exists in the SHIFT²RAIL Innovation Programmes (IP) 2 and 3.

IN2RAIL

IN2RAIL will pave the way for the optimisation of the design of core infrastructure elements as well as improve the management of the railway system by adopting a holistic approach.

IN2SMART

Luleå University of Technology acts as a linked third party to Trafikverket with the responsibility of performing research activities with developing an overall concept for Intelligent Asset Management.

IN2TRACK2

Research into Enhanced Track, Switches and Structure 2

Increased railway capacity through improved maintenance practices

The project involves identification of processes, activities or even subsystems that restrain the flow of traffic, limiting the capacity or cause delay on a line or network.

Infralert

Due to limited resources and limited land area, the only way to adapt the infrastructure capacity to the expected increased transportation demand is to optimise the performance of the existing infrastructure.

Integrated maintenance strategy review & optimization for rolling stock wheels

This project aims to address the challenge in prolonging the lifetime of rolling stock wheels by developing what we call an integrated maintenance strategy review and optimization (MSRO) approach.

Integrated Reliability Analysis

The goal of the research presented is to propose, develop and test an integrated reliability analysis to optimise the maintenance strategies of the railway industry.

Investigation of end-user needs for eMaintenance on railway

Målet med detta projekt var att kartlägga och identifiera informationsbehovet hos några av dessa intressenter. Denna behovsbild utgör underlag för utformning av informationstjänster som ska tillhandahållas inom ramen för eMaintenance LAB.

Life length estimation of rolling stock

This research approaches the problem (MRL estimation of rolling stock) as a system because the vehicle and the track cannot be improved further in isolation of each other.

Link and effect model application through life cycle cost and return of investment analysis

The link and effect model is a project on performance measurement of rail infrastructure maintenance.

Link and effect model application through life cycle cost and return of investment analysis

Christer Stenström, Aditya Parida & Uday Kumar

Link and Effect Model of Maintenance Investment for Infrastructure Effectivness Improvement

The objective has been to develop a link and effect model to improve the total effectiveness of the maintenance system for the railway infrastructure.

MAINLINE

The main objectives of the MAINLINE are to develop new technologies to extend the life of elderly railway infrastructure across Europe, improve degradation & structural models to develope more realistic life cycle cost & safety models and to investigate monitoring techniques to complement or replace existing examination methods.

Maintenance Decision Support Models for Railway Infrastructure using RAMS

The goal of railway infrastructure managers is to keep the RAMS parameters of railway system within acceptable thresholds at lowest possible cost. An efficient an effective way of achieving this goal is to employ applicable and effective maintenance and renewal strategy.

Maintenance Performance Indicators (MPIs) for Railway Infrastructure

The goal of this project was to identify and study the operation and maintenance performance indicators related to railway infrastructure. These where then to be analyzed to determine their usefulness for the operation and maintenance planning of the railway infrastructure.

Maintenance strategy for a railway infrastructure in a regulated environment

a conceptual framework has been developed that describes all the factors that the infrastructure manager has to consider. The purpose of the framework is to help the infrastructure manager to make decisions with a more proactive maintenance approach that will improve the whole railway transport system and satisfy its customers.

Maintenance Threshold Limits

The outcome of this research is maintenance decision support model to specify cost effective maintenance thresholds for railway track and wheels.

Management of condition information from railway punctuality perspectives

The purpose of this research is to explore and describe how information about the condition of technical systems can support stakeholders within the Swedish railway in improving punctuality by means of more effective and efficient maintenance.

Measurements and analysis of electromagnetic interferences in the Swedish railway systems

The reliability of railway signalling, communication, and control systems depends on the degree of galvanic isolation from EM noise. When new technologies are implemented into old installations, the complexity of the system increases, leading to new challenges which necessitate new forms of skill and competence to deal with these issues and challenges.

Modelling and assessing the factors that affect human performance in railway maintenance

The partners will collaborate with key research personnel to investigate the maintenance process for wheel cracks in Sweden, as well as the role of human factors

Non-destructive Testing of Near-Surface Defect in Railhead

The goal is to develop an accurate condition monitoring tools to be decision support for rail track maintenance actions.

NoRRTec - Northern Railway Research & Test Collaboration

Projektet bidrog till etablerandet av en gemensam och varaktig svensk-norsk forskning och en kompetensplattform inom järnvägsteknik och provning/testning av järnvägsinfrastruktur och rullande materiel.

Offentlig upphandling av järnvägsunderhåll

Den svenska staten har konkurrensutsatt underhållet av Sveriges järnvägsnät och Trafikverket är idag Sveriges största offentliga upphandlare. Projektet syftar till att undersöka vilka förändringar, utmaningar och fördelar olika sätt att upphandla järnvägsunderhåll skapar.

OptiKrea - Optimal methods for innovative product development and decision support

Development of an ideation method and a concept selection method specifically for groups acting in the context of the Swedish deregulated railway market, with members from different organizations with different functional knowledge.

Optimal drift och dimensionering av banmatningssystem

Det här projektet bidrar med viktig ny kunskap angående hur några av framtidens
utmaningar kring kraftförsörjning av järnväg kan hanteras.

Optimum Maintenance & LCC of mobile drilling machines in mining applications

Hussan Hamodi, Jan Lundberg & Behzad Ghodrati

Optirail

OPTIRAIL will contribute to obtain higher levels of safety and service in railway infrastructures, “optimal” life cycle for the management of railway infrastructure maintenance, better quality of service and, therefore, higher level of client satisfaction, improved level of availability of the railway infrastructure.

Predictive analytics for degrading infrastructure

The goal of this research is to develop a holistic cybersecurity framework for the railway to enhance cybersecurity maturity and to deliver threat intelligence for making effective decisions for present and future cyber threats.

Prognostic and Health Management for Rail Transportation Equipment

Application studies on maintenance strategies of EMU axle bearing and collaborative maintenance management Technologies.

Prognostic for railway S&C geometry degradation

In a collaboration project, the prognostic research undertaken within the SKF-UTC has been implemented to improve the prognostic capabilities for geometry degradation of S&C’s.

Railway Infrastructure Robustness, attributes, evaluation, assurance, and improvement

Knowledge regarding robustness, attributes, evaluation, assurance, and improvement of the railway system.

RAMS analysis of railway signalling systems

Amparo Morant

RAMS based rail grinding optimisation for mixed track with heavy axle loads

The aim of this work is to increase the effectiveness of the maintenance process of rails (grinding or milling) and hence increase the operational capacity.

RAMS modeling and simulation at system level

The main aim of the project is to provide a railway track maintenance planning framework which assist infrastructure managers in decision making.

Reduction of shortcut in railway insulation joints

To evaluate the state of art, find root causes and suggest some initial possible solutions to reduce shortcut in railway insulation joints.

Reliability analysis and cost modeling of degrading systems

A methodology for rail defect prioritization and risk assessment is developed to support the decision- making process during the effective scheduling of the inspection frequency based on the type of defect and its risk of developing into a rail break. The present research work also demonstrates an application of reliability analysis to improve system reliability based on design changes.

Remaining Useful Life Estimation of Mining Machinery

Farzaneh Ahmadzadeh, Jan Lundberg & Behzad Ghodrati

ReRail

ReRail slitbana är ca 10 mm tjock och är monterad runt huvudet på den ursprungliga rälen, som fräses ned när den är utsliten och anpassas till den inre formen på ReRail.

ReRail – ultrasonic testing

The objective of the ultrasonic testing of ReRail is to study the feasibility of inspecting the rail through the
interface of the two components.

Risk-based inspection interval for railway infrastructure

The objective is to develop a method to assess the susceptibility of rail track to the different forms of structural deterioration, in different operational & environmental condition.

Robust infrastructure – Adapting railway maintenance to climate change (CliMaint)

The objective of the project is to reduce future disturbances due to extreme climate conditions by effective maintenance program.

Rock and Machine Interface

Rajib Ghosh, Håkan Schunnesson & Uday Kumar

SAFT, Phased Array and X-Ray Measurements of Flaws in Railway Manganese Frogs

The aim of this project was through combining the two methods of Synthetic Aperture Focus Technology (SAFT) and Phased Array, be able to detect flaws inside manganese.

Simulation of railway track geometry and intelligent maintenance planning (SIMTRACK)

SIMTRACK will facilitate a simulation-based platform that enables development of tools, methodologies and techniques for the optimization of track geometry maintenance planning and scheduling; as well as realisation of efficient and effective execution of geometry interventions e.g, tamping.

SMaRTE

SMaRTE will provide the methodology for implementation of a Condition Based Maintenance system appropriate for the railway.

Statistically based maintenance planning for railway

The project aims to study the robustness of existing models when the data do not meet the underlying statistical assumptions.

Status and development opportunities regarding equality and integration in the rail industry

The goal is to obtain facts about the current situation and to find out what the railway industry wants it to look like in the future.

Study of Maintenance Threshold Limits

Iman Arasteh khouy & PO Larson Kråik

Sustrail

SUSTRAIL aims to contribute to the rail freight system to allow it to regain position and market and the proposed solution is based on a combined improvement in both freight vehicle and track components in a holistic approach aimed at achieving a higher reliability and increased performance of the rail freight system as a whole and profitability for all the stakeholders.

Sustainable bridges

A European Research Project with 32 partners from 12 countries within FP6, 2003 - 2008.

SAFT Inspect

Ultrasonic synthetic Aperture Focusing Technique for Inspection of Railways Crossings

Testbed Railway

The testbed aim to facilitate the establishment of the digitized railway and enable decision-making through big data analytics.

The digital railway switch- Digitalized railway switches for the future (DigiSwitch)

The goal is to investigate if and how it is in principle possible to, by measuring vibrations at the point machine and using AI, achieve an automatic correlation between the vibration levels and degree of wear/ flaws.

Tillståndsbaserat underhåll för fordon

Condition monitoring data can support maintenance preparation, assessment, and improvements and help to form a continuous improvement loop. This, plus a condition-based maintenance strategy, will lead to capacity assurance.

Train Based Differential Eddy Current Sensor System for Rail Fastener Detection

Development of a train based system for monitoring track defects and rail track components by anomaly detection in the modulated magnetic field, generated and measured by a differential eddy current sensor.

TREND

TREND (Test of Rolling Stock Electromagnetic Compatibility for cross-Domain Interoperability) project has the objective of addressing this situation by means of the design of a test setup that enables the harmonization of freight and passengers rolling stock approval tests for electromagnetic compatibility (EMC) focusing not only on interferences with broadcasting services but also on railway signaling systems.

Underground pipelines and railway infrastructure – Failure consequences and restrictions

Continuous and accurate condition assessment is critical for the effective management and maintenance of pipeline networks within transportation infrastructure.

Winter preparation for railway switches

Prototypes for snow protection for switches with insulation are evaluated to get a better effect of the heat.

Winter Road Maintenance

This project addresses different measurements technologies for road condition monitoring and the use of the measurement for maintenance decision support.

Publicerad:17 juni 2016
Uppdaterad: 19 mars 2021
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