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  1. Employees

Språkvelger

Norsk

Jørn Vatn

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Jørn Vatn

Professor in reliability, availability, maintainability and safety
Department of Mechanical and Industrial Engineering
Faculty of Engineering

jorn.vatn@ntnu.no
+4773597109 +4741473730 Verkstedteknisk, P518, Gløshaugen, Richard Birkelands vei 2 B
About Publications Teaching Outreach

About

Research groups

  • ROSS Gemini Centre
  • RAMS group

Competence/interests:

  • Maintenance management
  • Maintenance optimisation
  • Reliability Technology
  • Risk and safety analysis
  • Statistical methods
  • Risk influence modelling
  • Data analysis
  • Safety Culture
  • Societal security
  • Reliability of Safety Instrumented systems (IEC 61508)

Professional career:

  • 2002 -Professor, Dept of Production and Quality Engineering, NTNU
  • 2002 - Senior Engineer adviser at the Norwegian Rail Administration
  • 2002 -Scientific Advisor, SINTEF Safety and Reliability
  • 2000 - 2002 Associated Professor, Dept of Production and Quality Engineering, NTNU
  • 1997 - 2002 Senior Scientist at SINTEF Industrial Management, dept. Safety & Reliability
  • 1991 - 1996 PhD student at NTNU
  • 1987 - 1997 Scientist at SINTEF Industrial Management, dept. Safety and Reliability
  • 1986 - 1991 Lecturer, Dept. of Mathematical Statistics, NTNU
  • 1985 - 1986 Scientific assistant, Dept. of Mathematical Statistics, NTNU

Membership in academic and professional committees:

  • Coordinator of evaluation committee of Mary Ann Lundteigen (Professorship at NTNU)
  • Member of examination committee of Eirik Bjorheim Abrahamsen (PhD-work)
  • Member of examination committee of Vidar Kristensen (PhD-work)
  • Coordinator of evaluation committee of Leif T. Sunde (Professorship at NTNU)
  • Member of pre-examination committee of Tony Rosqvist (PhD-work)
  • Coordinator of evaluation committee of Lesley Walls (Professorship at NTNU)
  • Member of examination committee of Sigve Apeland (PhD-work)

Publications

 Publications listed in the Frida database

Teaching

MSc courses at NTNU:

  • TPK4120 Safety and Reliability Analysis
  • RAMS optimization

PhD courses

  • PK8200 Risk Influence Modelling and Risk Indicators

Continuing Education Courses:

  • Maintenance Optimization
  • Safety and Reliability in Railway Applications
  • Project Risk Management
  • Priorisation of Risk Reducing Measures - Modeling and Concepts

Publications

  • Chronological
  • By category
  • All publications registered in NVA

2025

  • Liu, Jie; Yin, Shen; Vatn, Jørn. (2025) Digital twin qualification for maintenance: frameworks and methods for evaluation and usability assessment. NTNU Norges teknisk-naturvitenskapelige universitet NTNU Norges teknisk-naturvitenskapelige universitet
    Doctoral dissertation
  • Tomasgard, Asgeir; Røkke, Nils Anders; Kjølle, Gerd Hovin; Reigstad, Gunhild Allard; Korpås, Magnus; Ski, Karoline. (2025) Towards an Energy-Secure and Resilient Society.
    Other
  • Laskowska, Ewa Maria; Yin, Shen; Vatn, Jørn. (2025) Health Prognostics and Maintenance Optimization of Emergency Shutdown Valves. NTNU Norges teknisk-naturvitenskapelige universitet NTNU Norges teknisk-naturvitenskapelige universitet
    Doctoral dissertation
  • Zhang, Wanwan; Vatn, Jørn; Rasheed, Adil. (2025) A differential evolution based approach for short-term predictive maintenance optimization of an offshore wind turbine. Ocean Engineering
    Academic article
  • Albrechtsen, Eirik; Asbjørnslett, Bjørn Egil; Børvik, Tore; Bucelli, Marta; Gjerde, Oddbjørn; Graabak, Ingeborg. (2025) Et energisikkert samfunn rustet mot angrep. SINTEF AS SINTEF AS
    Report
  • Zhang, Wanwan; Vatn, Jørn; Rasheed, Adil. (2025) Gearbox pump failure prognostics in offshore wind turbine by an integrated data-driven model. Applied Energy
    Academic article
  • Collina, Giulia; Campari, Alessandro; Vatn, Jørn; Bucelli, Marta. (2025) Monitoring Optimisation of a Retrofitted Hydrogen Pipeline Using Markov State Model. Chemical Engineering Transactions
    Academic article
  • Bisgaard, Albert Skovgaard; Harrod, Steven; Møller, Jan Kloppenborg; Nielsen, Bo Friis; Rasmussen, Carsten Jørn; Bjørge, Thomas Vatn. (2025) A covariate-dependent Markov jump process with application to the propagation of rail defect severity. Reliability Engineering & System Safety
    Academic article

2024

  • Tajiani, Bahareh; Vatn, Jørn; Naseri, Masoud. (2024) Optimizing the maintenance threshold in presence of shocks: A numerical framework for systems with non-monotonic degradation. Reliability Engineering & System Safety
    Academic article
  • Liu, Jie; Vatn, Jørn; Yin, Shen. (2024) A Case Study for Enhancing Maintenance of Cyber-Physical Systems with Digital Twin. IEEE Transactions on Industrial Cyber-Physical Systems
    Academic article
  • Liu, Jie; Vatn, Jørn; Yin, Shen. (2024) Advanced Battery Health Management in Electric UAVs Through Digital Twins.
    Academic chapter/article/Conference paper
  • Semwogerere, David; Sangesland, Sigbjørn; Vatn, Jørn; Pavlov, Alexey; Colombo, Danilo. (2024) Well integrity and late life extension - A current industry state of practice and literature review. Geoenergy Science and Engineering
    Academic literature review
  • Liu, Xingheng; Lunde, Erling; Diehl, Fabio; Zhang, Aibo; Vatn, Jørn; Yin, Shen. (2024) Degradation modeling under time-varying operating conditions: Inference and prognosis with particle filter. Reliability Engineering & System Safety
    Academic article

2023

  • Tajiani, Bahareh; Vatn, Jørn. (2023) Adaptive remaining useful life prediction framework with stochastic failure threshold for experimental bearings with different lifetimes under contaminated condition. International Journal of System Assurance Engineering and Management
    Academic article
  • Zhang, Wanwan; Vatn, Jørn; Rasheed, Adil. (2023) Statistical analysis of offshore wind turbine failures.
    Academic chapter/article/Conference paper
  • Liu, Jie; Vatn, Jørn; Pedersen, Viggo Gabriel Borg; Yin, Shen; Tajiani, Bahareh. (2023) A comparison study for bearing remaining useful life prediction by using standard stochastic approach and digital twin. International Journal of Reliability and Safety
    Academic article
  • Zhao, Yixin; Cozzani, Valerio; Sun, Tianqi; Vatn, Jørn; Liu, Yiliu. (2023) Condition-based maintenance for a multi-component system subject to heterogeneous failure dependences. Reliability Engineering & System Safety
    Academic article
  • Laskowska, Ewa Maria; Vatn, Jørn; Yin, Shen. (2023) Prognostic model for reliability assessment of emergency shutdown valves used in oil & gas facility. International Journal of Reliability and Safety
    Academic article
  • Semini, Marco Giovanni; Patek, Clara; Brett, Per Olaf; Agis, Jose Jorge Garcia; Strandhagen, Jan Ola; Vatn, Jørn. (2023) Some relationships between build strategy and shipbuilding time in European shipbuilding. Journal of Engineering for the Maritime Environment (Part M)
    Academic article
  • Vatn, Jørn; Johnsen, Roy. (2023) Kjernekraft. Det er fali’ det – eller?. Adressa/Midtnorskdebatt
    Reader opinion piece
  • Vatn, Jørn. (2023) Optimizing ultrasonic inspection regimes of railway rails.
    Academic chapter/article/Conference paper
  • Yang, Ruochen; Vatn, Jørn; Utne, Ingrid Bouwer. (2023) Dynamic maintenance planning for autonomous marine systems (AMS) and operations. Ocean Engineering
    Academic article
  • Liu, Jie; Liu, Xingheng; Vatn, Jørn; Yin, Shen. (2023) A generic framework for qualifications of digital twins in maintenance. Journal of Automation and Intelligence (JAI)
    Academic article
  • Islam, Abu Md Ariful; Vatn, Jørn. (2023) Condition-based multi-component maintenance decision support under degradation uncertainties. International Journal of System Assurance Engineering and Management
    Academic article
  • Sun, Tianqi; Vatn, Jørn. (2023) A phase-type maintenance model considering condition-based inspections and maintenance delays. Reliability Engineering & System Safety
    Academic article
  • Sun, Tianqi; Vatn, Jørn; Zhao, Yixin; Liu, Yiliu. (2023) A phase-type maintenance model considering condition-based inspections and delays before the repairs.
    Academic chapter/article/Conference paper
  • Alfarizi, Muhammad Gibran; Ustolin, Federico; Vatn, Jørn; Yin, Shen; Paltrinieri, Nicola. (2023) Towards accident prevention on liquid hydrogen: A data-driven approach for releases prediction. Reliability Engineering & System Safety
    Academic article
  • Pedersen, Tom Ivar; Liu, Xingheng; Vatn, Jørn. (2023) Maintenance optimization of a system subject to two-stage degradation, hard failure, and imperfect repair. Reliability Engineering & System Safety
    Academic article

2022

  • Sun, Tianqi; Vatn, Jørn. (2022) A Markov-based Bridge Maintenance Optimization Model Considering User Costs.
    Academic chapter/article/Conference paper
  • Pedersen, Tom Ivar; Vatn, Jørn. (2022) Optimizing a condition-based maintenance policy by taking the preferences of a risk-averse decision maker into account. Reliability Engineering & System Safety
    Academic article
  • Welte, Thomas Michael; Gustavsen, Morten Andre; Vatn, Jørn; Zhupanova, Liliya; Lillehammer, Grethe; Ganz, Robert. (2022) RiskBIM - Risikostyring i BIM-drevne offentlige samferdselsprosjekter. Institutt for energiteknikk Institutt for energiteknikk
    Report
  • Semini, Marco; Brett, Per Olaf; Strandhagen, Jan Ola; Vatn, Jørn. (2022) Comparing Offshore Support Vessel Production Times between Different Offshoring Strategies Practiced at Norwegian Shipyards. Journal of Ship Production and Design
    Academic article
  • Liu, Jie; Liu, Yiliu; Yin, Shen; Vatn, Jørn. (2022) Evaluation of Remain Useful Life Prediction Models from a Resilience Perspective.
    Academic chapter/article/Conference paper
  • Alfarizi, Muhammad Gibran; Vatn, Jørn; Yin, Shen. (2022) An Extreme Gradient Boosting Aided Fault Diagnosis Approach: A Case Study of Fuse Test Bench. IEEE Transactions on Artificial Intelligence (TAI)
    Academic article
  • Islam, Abu Md Ariful; Vatn, Jørn. (2022) A Survey of Multi-Component Maintenance Optimization Subject to Condition-Based Maintenance.
    Academic chapter/article/Conference paper
  • Liu, Xingheng; Vatn, Jørn. (2022) Erosion State Estimation for Subsea Choke Valves Considering Valve Openings.
    Academic chapter/article/Conference paper
  • Alfarizi, Muhammad Gibran; Tajiani, Bahareh; Vatn, Jørn; Yin, Shen. (2022) Optimized Random Forest Model for Remaining Useful Life Prediction of Experimental Bearings. IEEE Transactions on Industrial Informatics
    Academic article
  • Vatn, Jørn. (2022) BIM and Digital Twins - Application in maintenance and operation. Norges teknisk-naturvitenskapelige universitet Norges teknisk-naturvitenskapelige universitet
    Report
  • Zhang, Wanwan; Vatn, Jørn; Rasheed, Adil. (2022) A review of failure prognostics for predictive maintenance of offshore wind turbines. Journal of Physics: Conference Series (JPCS)
    Academic article

2021

  • Liu, Xingheng; Matias, Jose Otavio Assumpcao; Jäschke, Johannes; Vatn, Jørn. (2021) Gibbs sampler for noisy Transformed Gamma process: Inference and remaining useful life estimation. Reliability Engineering & System Safety
    Academic article
  • Sun, Tianqi; Vatn, Jørn. (2021) Modelling of Condition-Based Inspections and Deterministic Maintenance Delays for Bridge Management.
    Academic chapter/article/Conference paper
  • Pedersen, Tom Ivar; Størdal, Håkon Grøtt; Bjørnebekk, Håvard Holm; Vatn, Jørn. (2021) A Survey on the Use of Digital Twins for Maintenance and Safety in the Offshore Oil and Gas Industry.
    Academic chapter/article/Conference paper
  • Tajiani, Bahareh; Amiri, Razieh; Vatn, Jørn. (2021) Risk Assessment of Fires in Residential Buildings -- A Case Study in Norway.
    Academic chapter/article/Conference paper
  • Tajiani, Bahareh; Vatn, Jørn. (2021) RUL Prediction of Bearings using Empirical Wavelet Transform and Bayesian Approach.
    Academic chapter/article/Conference paper
  • Liu, Xingheng; Vatn, Jørn. (2021) Filtering Noisy Gamma Degradation Process: Genz Transform Versus Gibbs Sampler.
    Academic chapter/article/Conference paper

2020

  • Islam, Abu Md Ariful; Vatn, Jørn. (2020) Condition-based maintenance model for a single component subject to long preparation time and limited maintenance opportunities.
    Academic chapter/article/Conference paper
  • Islam, Abu Md Ariful; Vatn, Jørn. (2020) Data Analysis to Facilitate Offshore Seawater Ultrafiltration Membrane Replacement Decision and Scheduling of Chemical Wash.
    Academic chapter/article/Conference paper
  • Liu, Xingheng; Vatn, Jørn; Dijoux, Yann; Toftaker, Håkon. (2020) Unobserved heterogeneity in stable imperfect repair models. Reliability Engineering & System Safety
    Academic article
  • Liu, Xingheng; Finkelstein, Maxim; Vatn, Jørn; Dijoux, Yann. (2020) Steady-state imperfect repair models. European Journal of Operational Research
    Academic article
  • Liu, Xingheng; Dijoux, Yann; Vatn, Jørn; Toftaker, Håkon. (2020) PERFORMANCE OF PROGNOSIS INDICATORS FOR SUPERIMPOSED RENEWAL PROCESSES. Probability in the engineering and informational sciences (Print)
    Academic article
  • Vatn, Jørn; Pedersen, Frank Børre. (2020) An External Shock -- Internal Barrier Degradation Model to Account for Operational Loads.
    Academic chapter/article/Conference paper
  • Laskowska, Ewa Maria; Vatn, Jørn. (2020) Degradation Modelling using a Phase Type Distribution (PHD).
    Academic chapter/article/Conference paper
  • Tajiani, Bahareh; Vatn, Jørn. (2020) Degradation Modelling of Roller Bearings using Two Different Health Indicators.
    Academic chapter/article/Conference paper
  • Pedersen, Tom Ivar; Vatn, Jørn; Jørgensen, Kim. (2020) Degradation Modelling of Centrifugal Pumps as Input to Predictive Maintenance.
    Academic chapter/article/Conference paper
  • Liu, Xingheng; Dijoux, Yann; Vatn, Jørn. (2020) Unobserved Heterogeneity in Imperfect Maintenance Models.
    Academic chapter/article/Conference paper
  • Vatn, Jørn. (2020) Phase Type Modelling for Approximation of the Geometric Brownian Motion.
    Academic chapter/article/Conference paper
  • Tajiani, Bahareh; Vatn, Jørn; Pedersen, Viggo Gabriel Borg. (2020) Remaining Useful Life Estimation Using Vibration-based Degradation Signals.
    Academic chapter/article/Conference paper
  • Tveit, Guro Møen; Salomonsen, Cecilie; Misimi, Ekrem; Lillienskiold, Aleksander; Greiff, Kirsti; Aursand, Marit. (2020) iPROCESS innovation - Innovative and Flexible Food Processing Technology in Norway - 2020:00981 A. SINTEF Ocean AS SINTEF Ocean AS
    Report

2019

  • Landmark, Andreas D.; Vatn, Jørn. (2019) Målsank 2 - indikatorer for driftsstabilitet i jernbanen. SINTEF AS SINTEF AS
    Report
  • Welte, Thomas Michael; Vatn, Jørn; Sanz-Bobi, Miguel A.; Srivastav, Himanshu. (2019) Lifetime and maintenance modelling utilizing monitoring data MonitorX report L8. Energi Norge Energi Norge
    Report
  • Xingheng, Liu; Yann, Dijoux; Vatn, Jørn. (2019) On Approximation of Superposition of Renewal Process.
    Academic chapter/article/Conference paper
  • Vatn, Jørn. (2019) Cyber-physical Threats and Real-time Monitoring of Critical Infrastructure.
    Academic chapter/article/Conference paper
  • Islam, Abu Md Ariful; Srivastav, Himanshu; Vatn, Jørn; Barros, Anne; Lundteigen, Mary Ann. (2019) Time-dependent Unavailability Assessment of Final Element of Safety Instrumented Systems- an Application of Multiphase Markov Process.
    Academic chapter/article/Conference paper
  • Arismendi, Renny; Barros, Anne; Vatn, Jørn; Grall, Antoine. (2019) Prognostics and Maintenance Optimization in Bridge Management.
    Academic chapter/article/Conference paper
  • Laskowska, Ewa Maria; Vatn, Jørn. (2019) State Modelling and Prognostics of Safety Valves used in the Oil and Gas Industry.
    Academic chapter/article/Conference paper
  • Olaitan, Oladipupo; Alfnes, Erlend; Vatn, Jørn; Strandhagen, Jan Ola. (2019) CONWIP implementation in a system with cross-trained teams. International Journal of Production Research
    Academic article

2018

  • Vatn, Jørn. (2018) Industry 4.0 and real-time synchronization of operation and maintenance.
    Academic chapter/article/Conference paper
  • Aarsland, Dag Wilhelm; Vatn, Jørn. (2018) Contributors to successful safety level in the Norwegian railway sector.
    Academic chapter/article/Conference paper
  • Bhalla, Swapnil; Vatn, Jørn. (2018) Identifying the Effects of Eliminating Replenishment for Nonexistent Backorders, on the Performance of Perishable Inventories - A Simulation Study. Norges teknisk-naturvitenskapelige universitet Norges teknisk-naturvitenskapelige universitet
    Masters thesis
  • Olaitan, Oladipupo; Alfnes, Erlend; Vatn, Jørn; Strandhagen, Jan Ola. (2018) Achieving Balanced Workload Distribution Amongst Cross-Trained Teams. IFIP Advances in Information and Communication Technology
    Academic article

2017

  • Hahn, Berthold; Welte, Thomas Michael; Faulstich, Stefan; Bangalore, Pramod; Boussion, Cyril; Harrison, K. (2017) Recommended practices for wind farm data collection and reliability assessment for O&M optimization. Energy Procedia
    Academic article
  • Landmark, Andreas D.; Seim, Andreas Røsland; Vatn, Jørn. (2017) Måling og overvåking av ytelse i infrastruktur. Stiftelsen SINTEF Stiftelsen SINTEF
    Report

2015

  • Vatn, Jørn. (2015) Structuring contributors to successful operation.
    Academic chapter/article/Conference paper
  • Hokstad, Per Richard; Utne, Ingrid Bouwer; Vatn, Jørn. (2015) Risk and interdependencies in critical infrastructures. Chinese translation. Springer/National Defense Industry Press Springer/National Defense Industry Press
    Academic anthology/Conference proceedings

2014

  • Vatn, Jørn. (2014) Principles for dynamic updating and visualization of the risk picture with a QRA-basis.
    Academic chapter/article/Conference paper
  • Vatn, Jørn. (2014) Mathematical methods and approaches to PFD-calculation by the PDSTool.
    Academic chapter/article/Conference paper
  • Vatn, Jørn. (2014) Risikobasert vedlikehold – hva betyr det i praksis?. HMT - Helsetjenesten Medisinsk Teknikk : helse, medisin, teknikk
    Article in business/trade/industry journal
  • Okstad, Eivind Halvard; Hauge, Stein; Tinmannsvik, Ranveig Kviseth; Vatn, Jørn. (2014) Monitoring the risk picture by using QRA and barrier based indicators.
    Academic chapter/article/Conference paper

2013

  • Vatn, Jørn. (2013) Steps and Principles for Assessing and Expressing Major Accident Risk in an Integrated Operations Setting.
    Academic chapter/article/Conference paper
  • Vatn, Jørn; Haugen, Stein. (2013) On the Usefulnes of Risk Analysis in the Light of Deepwater Horizon and Gullfaks C.
    Academic chapter/article/Conference paper

2012

  • Vatn, Jørn. (2012) A state based model for opportunity based maintenance.
    Academic chapter/article/Conference paper
  • Hameed, Zafar; Vatn, Jørn. (2012) Development of an overall maintenance optimization framework for offshore wind turbine.
    Academic chapter/article/Conference paper
  • Vatn, Jørn. (2012) Can we understand complex systems in terms of risk analysis?. Proceedings of the Institution of Mechanical Engineers. Part O, Journal of risk and reliability
    Academic article
  • Hameed, Zafar; Vatn, Jørn. (2012) State based models applied to offshore wind turbine maintenance and renewal.
    Academic chapter/article/Conference paper
  • Gran, Bjørn Axel; Bye, Rolf Johan; Nyheim, Ole Magnus; Okstad, Eivind Halvard; Seljelid, Jorunn; Sklet, Snorre. (2012) Evaluation of the Risk OMT model for maintenance work on major offshore process equipment. Journal of Loss Prevention in the Process Industries
    Academic article
  • Xie, Bin; Vatn, Jørn. (2012) An AHP-based approach of risk anaysis in Bayesian belief networks.
    Academic chapter/article/Conference paper
  • Vatn, Jørn; Hokstad, Per; Utne, Ingrid Bouwer. (2012) Defining concepts and categorizing interdependencies.
    Academic chapter/article/Conference paper
  • Hokstad, Per; Utne, Ingrid Bouwer; Vatn, Jørn. (2012) Interdependency modeling in risk analysis.
    Academic chapter/article/Conference paper
  • Hokstad, Per; Utne, Ingrid Bouwer; Vatn, Jørn. (2012) Risk and vulnerability analysis of critical infrastructures.
    Academic chapter/article/Conference paper
  • Khalifeh, Shiva; Hussein, Bassam A.; Vatn, Jørn. (2012) OPTIMIZATION OF SCHEDULE AND UNCERTAINTY MANAGEMENT. NTNU NTNU
    Masters thesis
  • Hameed, Zafar; Vatn, Jørn. (2012) Role of grouping in the development of an overall maintenance optimization framework for offshore wind turbines. Proceedings of the Institution of Mechanical Engineers. Part O, Journal of risk and reliability
    Academic article
  • Faulstich, Stefan; Vatn, Jørn; Hameed, Zafar. (2012) Importance of reliability data analysis to estimate the parameters for the maintenance optimization of offshore wind turbines.
    Academic chapter/article/Conference paper
  • Hokstad, Per; Utne, Ingrid Bouwer; Vatn, Jørn. (2012) Risk and Interdependencies in Critical Infrastructures. A Guideline for Analysis. Springer Science+Business Media B.V. Springer Science+Business Media B.V.
    Academic anthology/Conference proceedings
  • Laugesen, Jens; Mostue, Bodil Aamnes; Utne, Ingrid Bouwer; Vatn, Jørn. (2012) The use of risk and vulnerability analysis in climate change adaptation.
    Academic chapter/article/Conference paper
  • Vinnem, Jan Erik; Bye, Rolf Johan; Gran, Bjørn Axel; Kongsvik, Trond; Nyheim, Ole Magnus; Okstad, Eivind Halvard. (2012) Risk modelling of maintenance work on major process equipment on offshore petroleum installations. Journal of Loss Prevention in the Process Industries
    Academic article

2011

  • Hameed, Zafar; Vatn, Jørn; Heggset, Jørn. (2011) Challenges in the reliability and maintainability data collection for offshore wind turbines. Renewable Energy
    Academic article
  • Utne, Ingrid Bouwer; Hokstad, Per; Vatn, Jørn. (2011) A method for risk modeling of interdependencies in critical infrastructures. Reliability Engineering & System Safety
    Academic article

2010

  • Albrechtsen, Eirik; Størseth, Fred; Andersen, Siri; Besnard, Denis; Grøtan, Tor Olav; Hollnagel, Erik. (2010) Essays on socio-technical vulnerabilities and strategies of control in Integrated Operations. SINTEF Digital SINTEF Digital
    Report
  • Vatn, Jørn; Aven, Terje. (2010) An approach to maintenance optimization where safety issues are important. Reliability Engineering & System Safety
    Academic article
  • Vatn, Jørn. (2010) Can we understand complex systems in terms of risk analysis?.
    Academic chapter/article/Conference paper
  • Hameed, Zafar; Vatn, Jørn. (2010) Challenges in the reliability and safety data collection for offshore wind turbines.
    Academic chapter/article/Conference paper
  • Njå, Ove; Vatn, Jørn. (2010) Safety information systems related to transport of dangerous goods in Norway.
    Academic chapter/article/Conference paper
  • Nyheim, Ole Magnus; Gran, Bjørn Axel; Pedersen, Linda Martens; Seljelid, Jorunn; Vinnem, Jan Erik; Vatn, Jørn. (2010) Use of bayesian network for modeling risk influencing factors.
    Academic chapter/article/Conference paper

2009

  • Line, Maria Bartnes; Bertelsen, Dag Eiliv; Fridheim, Håvard; Hokstad, Per Richard; Kjølle, Gerd Hovin; Røstum, Jon. (2009) DECRIS - Risk and Decision Systems for Critical Infrastructures. Metode og verktøy for en samlet risikovurdering av kritiske infrastrukturer. SINTEF Digital SINTEF Digital
    Report
  • Monsås, Therese; Vatn, Jørn. (2009) Uncertainty factors in deterioration modelling of process equipment.
    Academic chapter/article/Conference paper
  • Vatn, Jørn. (2009) Issues related to localization of an LNG facility.
    Academic chapter/article/Conference paper
  • Utne, Ingrid Bouwer; Hokstad, Per R.; Vatn, Jørn. (2009) A structured approach to modelling interdependencies in risk analysis of critical infrastructures.
    Academic chapter/article/Conference paper
  • Okstad, Eivind; Vatn, Jørn; Bye, Roar. (2009) Maintenance management and optimization of FPSOs.
    Academic chapter/article/Conference paper

2008

  • Vatn, Jørn; Vatn, Gunhild Åm; Sjøberg, Britt-Marie Drottz. (2008) Societal security – A case study related to an LNG facility. SAMRISK SAMRISK
    Report
  • Hokstad, Per R.; Vatn, Jørn. (2008) Ethical dilemmas in traffic safety work. Safety Science
    Academic article
  • Vatn, Jørn. (2008) Maintenance in the Rail Industry.
    Academic chapter/article/Conference paper
  • Rausand, Marvin; Vatn, Jørn. (2008) Reliability Centred Maintenance.
    Academic chapter/article/Conference paper
  • Chang, Kwang Pil; Rausand, Marvin; Vatn, Jørn. (2008) Reliability assessment of reliquefaction systems on LNG carriers. Reliability Engineering & System Safety
    Academic article
  • Lyngby, Narve; Hokstad, Per; Vatn, Jørn. (2008) RAMS Management of Railway Tracks.
    Academic chapter/article/Conference paper

2007

  • Vatn, Jørn. (2007) Railway maintenance optimization - a case study related to utilization of RCM results in the interval optimization process.
    Academic chapter/article/Conference paper
  • Vatn, Jørn. (2007) Societal security - a case study related to a cash depot.
    Academic chapter/article/Conference paper
  • Vatn, Jørn. (2007) Procedures for updating test intervals based on experience data.
    Academic chapter/article/Conference paper

2006

  • Podofillini, Luca; Zio, Enrico; Vatn, Jørn. (2006) Risk-informed optimization of railway tracks inspection and maintenance procedures. Reliability Engineering & System Safety
    Academic article
  • Vatn, Jørn; Langseth, Helge. (2006) Estimation of Weibull parameters when the i.i.d. assumption does not hold.
    Academic chapter/article/Conference paper
  • Welte, Thomas Michael; Vatn, Jørn; Heggset, Jørn. (2006) Markov State Model for Optimization of Maintenance and Renewal of Hydro Power Components.
    Academic chapter/article/Conference paper

2005

  • Johnsen, Stig Ole; Vatn, Jørn; Herrera, Ivonne; Rosness, Ragnar. (2005) Cross border railway operations: improving safety at cultural interfaces. Cognition, Technology & Work
    Academic article
  • Johnsen, Stig Ole; Herrera, Ivonne; Vatn, Jørn; Rosness, Ragnar. (2005) Cross-border Railway Operations; Building safety at Cultural Interfaces.
    Academic chapter/article/Conference paper
  • Vatn, Jørn. (2005) Vurdering av samfunnssikkerheten ved etablering av NOKAS' anlegg i Stavanger. SINTEF Digital SINTEF Digital
    Report
  • Hokstad, Per; Langseth, Helge; Lindqvist, Bo Henry; Vatn, Jørn. (2005) Failure modeling and maintenance optimization for a railway line. International Journal of Performability Engineering
    Academic article

1998

  • Vatn, Jørn. (1998) A discussion of the acceptable risk problem. Reliability Engineering & System Safety
    Academic article
  • Rausand, Marvin; Vatn, Jørn. (1998) Reliability modeling of surface controlled subsurface safety valves. Reliability Engineering & System Safety
    Academic article
  • Rausand, Marvin; Vatn, Jørn. (1998) Reliability centered maintenance.
    Academic chapter/article/Conference paper

1996

  • Reinertsen, Rune; Vatn, Jørn. (1996) Solution to selected problems in reliability engineering. Tapir Akademisk Forlag Tapir Akademisk Forlag
    Non-fiction book

1993

  • Vatn, Jørn; Åm, Gunhild. (1993) The scientific basis for safety science. SINTEF, Safety and Reliability SINTEF, Safety and Reliability
    Non-fiction book

1992

  • Vatn, Jørn. (1992) Institutt for maskinkonstruksjon, NTH. [Mangler utgivernavn] [Mangler utgivernavn]
    Report

Journal publications

  • Zhang, Wanwan; Vatn, Jørn; Rasheed, Adil. (2025) A differential evolution based approach for short-term predictive maintenance optimization of an offshore wind turbine. Ocean Engineering
    Academic article
  • Zhang, Wanwan; Vatn, Jørn; Rasheed, Adil. (2025) Gearbox pump failure prognostics in offshore wind turbine by an integrated data-driven model. Applied Energy
    Academic article
  • Collina, Giulia; Campari, Alessandro; Vatn, Jørn; Bucelli, Marta. (2025) Monitoring Optimisation of a Retrofitted Hydrogen Pipeline Using Markov State Model. Chemical Engineering Transactions
    Academic article
  • Bisgaard, Albert Skovgaard; Harrod, Steven; Møller, Jan Kloppenborg; Nielsen, Bo Friis; Rasmussen, Carsten Jørn; Bjørge, Thomas Vatn. (2025) A covariate-dependent Markov jump process with application to the propagation of rail defect severity. Reliability Engineering & System Safety
    Academic article
  • Tajiani, Bahareh; Vatn, Jørn; Naseri, Masoud. (2024) Optimizing the maintenance threshold in presence of shocks: A numerical framework for systems with non-monotonic degradation. Reliability Engineering & System Safety
    Academic article
  • Liu, Jie; Vatn, Jørn; Yin, Shen. (2024) A Case Study for Enhancing Maintenance of Cyber-Physical Systems with Digital Twin. IEEE Transactions on Industrial Cyber-Physical Systems
    Academic article
  • Semwogerere, David; Sangesland, Sigbjørn; Vatn, Jørn; Pavlov, Alexey; Colombo, Danilo. (2024) Well integrity and late life extension - A current industry state of practice and literature review. Geoenergy Science and Engineering
    Academic literature review
  • Liu, Xingheng; Lunde, Erling; Diehl, Fabio; Zhang, Aibo; Vatn, Jørn; Yin, Shen. (2024) Degradation modeling under time-varying operating conditions: Inference and prognosis with particle filter. Reliability Engineering & System Safety
    Academic article
  • Tajiani, Bahareh; Vatn, Jørn. (2023) Adaptive remaining useful life prediction framework with stochastic failure threshold for experimental bearings with different lifetimes under contaminated condition. International Journal of System Assurance Engineering and Management
    Academic article
  • Liu, Jie; Vatn, Jørn; Pedersen, Viggo Gabriel Borg; Yin, Shen; Tajiani, Bahareh. (2023) A comparison study for bearing remaining useful life prediction by using standard stochastic approach and digital twin. International Journal of Reliability and Safety
    Academic article
  • Zhao, Yixin; Cozzani, Valerio; Sun, Tianqi; Vatn, Jørn; Liu, Yiliu. (2023) Condition-based maintenance for a multi-component system subject to heterogeneous failure dependences. Reliability Engineering & System Safety
    Academic article
  • Laskowska, Ewa Maria; Vatn, Jørn; Yin, Shen. (2023) Prognostic model for reliability assessment of emergency shutdown valves used in oil & gas facility. International Journal of Reliability and Safety
    Academic article
  • Semini, Marco Giovanni; Patek, Clara; Brett, Per Olaf; Agis, Jose Jorge Garcia; Strandhagen, Jan Ola; Vatn, Jørn. (2023) Some relationships between build strategy and shipbuilding time in European shipbuilding. Journal of Engineering for the Maritime Environment (Part M)
    Academic article
  • Vatn, Jørn; Johnsen, Roy. (2023) Kjernekraft. Det er fali’ det – eller?. Adressa/Midtnorskdebatt
    Reader opinion piece
  • Yang, Ruochen; Vatn, Jørn; Utne, Ingrid Bouwer. (2023) Dynamic maintenance planning for autonomous marine systems (AMS) and operations. Ocean Engineering
    Academic article
  • Liu, Jie; Liu, Xingheng; Vatn, Jørn; Yin, Shen. (2023) A generic framework for qualifications of digital twins in maintenance. Journal of Automation and Intelligence (JAI)
    Academic article
  • Islam, Abu Md Ariful; Vatn, Jørn. (2023) Condition-based multi-component maintenance decision support under degradation uncertainties. International Journal of System Assurance Engineering and Management
    Academic article
  • Sun, Tianqi; Vatn, Jørn. (2023) A phase-type maintenance model considering condition-based inspections and maintenance delays. Reliability Engineering & System Safety
    Academic article
  • Alfarizi, Muhammad Gibran; Ustolin, Federico; Vatn, Jørn; Yin, Shen; Paltrinieri, Nicola. (2023) Towards accident prevention on liquid hydrogen: A data-driven approach for releases prediction. Reliability Engineering & System Safety
    Academic article
  • Pedersen, Tom Ivar; Liu, Xingheng; Vatn, Jørn. (2023) Maintenance optimization of a system subject to two-stage degradation, hard failure, and imperfect repair. Reliability Engineering & System Safety
    Academic article
  • Pedersen, Tom Ivar; Vatn, Jørn. (2022) Optimizing a condition-based maintenance policy by taking the preferences of a risk-averse decision maker into account. Reliability Engineering & System Safety
    Academic article
  • Semini, Marco; Brett, Per Olaf; Strandhagen, Jan Ola; Vatn, Jørn. (2022) Comparing Offshore Support Vessel Production Times between Different Offshoring Strategies Practiced at Norwegian Shipyards. Journal of Ship Production and Design
    Academic article
  • Alfarizi, Muhammad Gibran; Vatn, Jørn; Yin, Shen. (2022) An Extreme Gradient Boosting Aided Fault Diagnosis Approach: A Case Study of Fuse Test Bench. IEEE Transactions on Artificial Intelligence (TAI)
    Academic article
  • Alfarizi, Muhammad Gibran; Tajiani, Bahareh; Vatn, Jørn; Yin, Shen. (2022) Optimized Random Forest Model for Remaining Useful Life Prediction of Experimental Bearings. IEEE Transactions on Industrial Informatics
    Academic article
  • Zhang, Wanwan; Vatn, Jørn; Rasheed, Adil. (2022) A review of failure prognostics for predictive maintenance of offshore wind turbines. Journal of Physics: Conference Series (JPCS)
    Academic article
  • Liu, Xingheng; Matias, Jose Otavio Assumpcao; Jäschke, Johannes; Vatn, Jørn. (2021) Gibbs sampler for noisy Transformed Gamma process: Inference and remaining useful life estimation. Reliability Engineering & System Safety
    Academic article
  • Liu, Xingheng; Vatn, Jørn; Dijoux, Yann; Toftaker, Håkon. (2020) Unobserved heterogeneity in stable imperfect repair models. Reliability Engineering & System Safety
    Academic article
  • Liu, Xingheng; Finkelstein, Maxim; Vatn, Jørn; Dijoux, Yann. (2020) Steady-state imperfect repair models. European Journal of Operational Research
    Academic article
  • Liu, Xingheng; Dijoux, Yann; Vatn, Jørn; Toftaker, Håkon. (2020) PERFORMANCE OF PROGNOSIS INDICATORS FOR SUPERIMPOSED RENEWAL PROCESSES. Probability in the engineering and informational sciences (Print)
    Academic article
  • Olaitan, Oladipupo; Alfnes, Erlend; Vatn, Jørn; Strandhagen, Jan Ola. (2019) CONWIP implementation in a system with cross-trained teams. International Journal of Production Research
    Academic article
  • Olaitan, Oladipupo; Alfnes, Erlend; Vatn, Jørn; Strandhagen, Jan Ola. (2018) Achieving Balanced Workload Distribution Amongst Cross-Trained Teams. IFIP Advances in Information and Communication Technology
    Academic article
  • Hahn, Berthold; Welte, Thomas Michael; Faulstich, Stefan; Bangalore, Pramod; Boussion, Cyril; Harrison, K. (2017) Recommended practices for wind farm data collection and reliability assessment for O&M optimization. Energy Procedia
    Academic article
  • Vatn, Jørn. (2014) Risikobasert vedlikehold – hva betyr det i praksis?. HMT - Helsetjenesten Medisinsk Teknikk : helse, medisin, teknikk
    Article in business/trade/industry journal
  • Vatn, Jørn. (2012) Can we understand complex systems in terms of risk analysis?. Proceedings of the Institution of Mechanical Engineers. Part O, Journal of risk and reliability
    Academic article
  • Gran, Bjørn Axel; Bye, Rolf Johan; Nyheim, Ole Magnus; Okstad, Eivind Halvard; Seljelid, Jorunn; Sklet, Snorre. (2012) Evaluation of the Risk OMT model for maintenance work on major offshore process equipment. Journal of Loss Prevention in the Process Industries
    Academic article
  • Hameed, Zafar; Vatn, Jørn. (2012) Role of grouping in the development of an overall maintenance optimization framework for offshore wind turbines. Proceedings of the Institution of Mechanical Engineers. Part O, Journal of risk and reliability
    Academic article
  • Vinnem, Jan Erik; Bye, Rolf Johan; Gran, Bjørn Axel; Kongsvik, Trond; Nyheim, Ole Magnus; Okstad, Eivind Halvard. (2012) Risk modelling of maintenance work on major process equipment on offshore petroleum installations. Journal of Loss Prevention in the Process Industries
    Academic article
  • Hameed, Zafar; Vatn, Jørn; Heggset, Jørn. (2011) Challenges in the reliability and maintainability data collection for offshore wind turbines. Renewable Energy
    Academic article
  • Utne, Ingrid Bouwer; Hokstad, Per; Vatn, Jørn. (2011) A method for risk modeling of interdependencies in critical infrastructures. Reliability Engineering & System Safety
    Academic article
  • Vatn, Jørn; Aven, Terje. (2010) An approach to maintenance optimization where safety issues are important. Reliability Engineering & System Safety
    Academic article
  • Hokstad, Per R.; Vatn, Jørn. (2008) Ethical dilemmas in traffic safety work. Safety Science
    Academic article
  • Chang, Kwang Pil; Rausand, Marvin; Vatn, Jørn. (2008) Reliability assessment of reliquefaction systems on LNG carriers. Reliability Engineering & System Safety
    Academic article
  • Podofillini, Luca; Zio, Enrico; Vatn, Jørn. (2006) Risk-informed optimization of railway tracks inspection and maintenance procedures. Reliability Engineering & System Safety
    Academic article
  • Johnsen, Stig Ole; Vatn, Jørn; Herrera, Ivonne; Rosness, Ragnar. (2005) Cross border railway operations: improving safety at cultural interfaces. Cognition, Technology & Work
    Academic article
  • Hokstad, Per; Langseth, Helge; Lindqvist, Bo Henry; Vatn, Jørn. (2005) Failure modeling and maintenance optimization for a railway line. International Journal of Performability Engineering
    Academic article
  • Vatn, Jørn. (1998) A discussion of the acceptable risk problem. Reliability Engineering & System Safety
    Academic article
  • Rausand, Marvin; Vatn, Jørn. (1998) Reliability modeling of surface controlled subsurface safety valves. Reliability Engineering & System Safety
    Academic article

Books

  • Hokstad, Per Richard; Utne, Ingrid Bouwer; Vatn, Jørn. (2015) Risk and interdependencies in critical infrastructures. Chinese translation. Springer/National Defense Industry Press Springer/National Defense Industry Press
    Academic anthology/Conference proceedings
  • Hokstad, Per; Utne, Ingrid Bouwer; Vatn, Jørn. (2012) Risk and Interdependencies in Critical Infrastructures. A Guideline for Analysis. Springer Science+Business Media B.V. Springer Science+Business Media B.V.
    Academic anthology/Conference proceedings
  • Reinertsen, Rune; Vatn, Jørn. (1996) Solution to selected problems in reliability engineering. Tapir Akademisk Forlag Tapir Akademisk Forlag
    Non-fiction book
  • Vatn, Jørn; Åm, Gunhild. (1993) The scientific basis for safety science. SINTEF, Safety and Reliability SINTEF, Safety and Reliability
    Non-fiction book

Part of book/report

  • Tomasgard, Asgeir; Røkke, Nils Anders; Kjølle, Gerd Hovin; Reigstad, Gunhild Allard; Korpås, Magnus; Ski, Karoline. (2025) Towards an Energy-Secure and Resilient Society.
    Other
  • Liu, Jie; Vatn, Jørn; Yin, Shen. (2024) Advanced Battery Health Management in Electric UAVs Through Digital Twins.
    Academic chapter/article/Conference paper
  • Zhang, Wanwan; Vatn, Jørn; Rasheed, Adil. (2023) Statistical analysis of offshore wind turbine failures.
    Academic chapter/article/Conference paper
  • Vatn, Jørn. (2023) Optimizing ultrasonic inspection regimes of railway rails.
    Academic chapter/article/Conference paper
  • Sun, Tianqi; Vatn, Jørn; Zhao, Yixin; Liu, Yiliu. (2023) A phase-type maintenance model considering condition-based inspections and delays before the repairs.
    Academic chapter/article/Conference paper
  • Sun, Tianqi; Vatn, Jørn. (2022) A Markov-based Bridge Maintenance Optimization Model Considering User Costs.
    Academic chapter/article/Conference paper
  • Liu, Jie; Liu, Yiliu; Yin, Shen; Vatn, Jørn. (2022) Evaluation of Remain Useful Life Prediction Models from a Resilience Perspective.
    Academic chapter/article/Conference paper
  • Islam, Abu Md Ariful; Vatn, Jørn. (2022) A Survey of Multi-Component Maintenance Optimization Subject to Condition-Based Maintenance.
    Academic chapter/article/Conference paper
  • Liu, Xingheng; Vatn, Jørn. (2022) Erosion State Estimation for Subsea Choke Valves Considering Valve Openings.
    Academic chapter/article/Conference paper
  • Sun, Tianqi; Vatn, Jørn. (2021) Modelling of Condition-Based Inspections and Deterministic Maintenance Delays for Bridge Management.
    Academic chapter/article/Conference paper
  • Pedersen, Tom Ivar; Størdal, Håkon Grøtt; Bjørnebekk, Håvard Holm; Vatn, Jørn. (2021) A Survey on the Use of Digital Twins for Maintenance and Safety in the Offshore Oil and Gas Industry.
    Academic chapter/article/Conference paper
  • Tajiani, Bahareh; Amiri, Razieh; Vatn, Jørn. (2021) Risk Assessment of Fires in Residential Buildings -- A Case Study in Norway.
    Academic chapter/article/Conference paper
  • Tajiani, Bahareh; Vatn, Jørn. (2021) RUL Prediction of Bearings using Empirical Wavelet Transform and Bayesian Approach.
    Academic chapter/article/Conference paper
  • Liu, Xingheng; Vatn, Jørn. (2021) Filtering Noisy Gamma Degradation Process: Genz Transform Versus Gibbs Sampler.
    Academic chapter/article/Conference paper
  • Islam, Abu Md Ariful; Vatn, Jørn. (2020) Condition-based maintenance model for a single component subject to long preparation time and limited maintenance opportunities.
    Academic chapter/article/Conference paper
  • Islam, Abu Md Ariful; Vatn, Jørn. (2020) Data Analysis to Facilitate Offshore Seawater Ultrafiltration Membrane Replacement Decision and Scheduling of Chemical Wash.
    Academic chapter/article/Conference paper
  • Vatn, Jørn; Pedersen, Frank Børre. (2020) An External Shock -- Internal Barrier Degradation Model to Account for Operational Loads.
    Academic chapter/article/Conference paper
  • Laskowska, Ewa Maria; Vatn, Jørn. (2020) Degradation Modelling using a Phase Type Distribution (PHD).
    Academic chapter/article/Conference paper
  • Tajiani, Bahareh; Vatn, Jørn. (2020) Degradation Modelling of Roller Bearings using Two Different Health Indicators.
    Academic chapter/article/Conference paper
  • Pedersen, Tom Ivar; Vatn, Jørn; Jørgensen, Kim. (2020) Degradation Modelling of Centrifugal Pumps as Input to Predictive Maintenance.
    Academic chapter/article/Conference paper
  • Liu, Xingheng; Dijoux, Yann; Vatn, Jørn. (2020) Unobserved Heterogeneity in Imperfect Maintenance Models.
    Academic chapter/article/Conference paper
  • Vatn, Jørn. (2020) Phase Type Modelling for Approximation of the Geometric Brownian Motion.
    Academic chapter/article/Conference paper
  • Tajiani, Bahareh; Vatn, Jørn; Pedersen, Viggo Gabriel Borg. (2020) Remaining Useful Life Estimation Using Vibration-based Degradation Signals.
    Academic chapter/article/Conference paper
  • Xingheng, Liu; Yann, Dijoux; Vatn, Jørn. (2019) On Approximation of Superposition of Renewal Process.
    Academic chapter/article/Conference paper
  • Vatn, Jørn. (2019) Cyber-physical Threats and Real-time Monitoring of Critical Infrastructure.
    Academic chapter/article/Conference paper
  • Islam, Abu Md Ariful; Srivastav, Himanshu; Vatn, Jørn; Barros, Anne; Lundteigen, Mary Ann. (2019) Time-dependent Unavailability Assessment of Final Element of Safety Instrumented Systems- an Application of Multiphase Markov Process.
    Academic chapter/article/Conference paper
  • Arismendi, Renny; Barros, Anne; Vatn, Jørn; Grall, Antoine. (2019) Prognostics and Maintenance Optimization in Bridge Management.
    Academic chapter/article/Conference paper
  • Laskowska, Ewa Maria; Vatn, Jørn. (2019) State Modelling and Prognostics of Safety Valves used in the Oil and Gas Industry.
    Academic chapter/article/Conference paper
  • Vatn, Jørn. (2018) Industry 4.0 and real-time synchronization of operation and maintenance.
    Academic chapter/article/Conference paper
  • Aarsland, Dag Wilhelm; Vatn, Jørn. (2018) Contributors to successful safety level in the Norwegian railway sector.
    Academic chapter/article/Conference paper
  • Vatn, Jørn. (2015) Structuring contributors to successful operation.
    Academic chapter/article/Conference paper
  • Vatn, Jørn. (2014) Principles for dynamic updating and visualization of the risk picture with a QRA-basis.
    Academic chapter/article/Conference paper
  • Vatn, Jørn. (2014) Mathematical methods and approaches to PFD-calculation by the PDSTool.
    Academic chapter/article/Conference paper
  • Okstad, Eivind Halvard; Hauge, Stein; Tinmannsvik, Ranveig Kviseth; Vatn, Jørn. (2014) Monitoring the risk picture by using QRA and barrier based indicators.
    Academic chapter/article/Conference paper
  • Vatn, Jørn. (2013) Steps and Principles for Assessing and Expressing Major Accident Risk in an Integrated Operations Setting.
    Academic chapter/article/Conference paper
  • Vatn, Jørn; Haugen, Stein. (2013) On the Usefulnes of Risk Analysis in the Light of Deepwater Horizon and Gullfaks C.
    Academic chapter/article/Conference paper
  • Vatn, Jørn. (2012) A state based model for opportunity based maintenance.
    Academic chapter/article/Conference paper
  • Hameed, Zafar; Vatn, Jørn. (2012) Development of an overall maintenance optimization framework for offshore wind turbine.
    Academic chapter/article/Conference paper
  • Hameed, Zafar; Vatn, Jørn. (2012) State based models applied to offshore wind turbine maintenance and renewal.
    Academic chapter/article/Conference paper
  • Xie, Bin; Vatn, Jørn. (2012) An AHP-based approach of risk anaysis in Bayesian belief networks.
    Academic chapter/article/Conference paper
  • Vatn, Jørn; Hokstad, Per; Utne, Ingrid Bouwer. (2012) Defining concepts and categorizing interdependencies.
    Academic chapter/article/Conference paper
  • Hokstad, Per; Utne, Ingrid Bouwer; Vatn, Jørn. (2012) Interdependency modeling in risk analysis.
    Academic chapter/article/Conference paper
  • Hokstad, Per; Utne, Ingrid Bouwer; Vatn, Jørn. (2012) Risk and vulnerability analysis of critical infrastructures.
    Academic chapter/article/Conference paper
  • Faulstich, Stefan; Vatn, Jørn; Hameed, Zafar. (2012) Importance of reliability data analysis to estimate the parameters for the maintenance optimization of offshore wind turbines.
    Academic chapter/article/Conference paper
  • Laugesen, Jens; Mostue, Bodil Aamnes; Utne, Ingrid Bouwer; Vatn, Jørn. (2012) The use of risk and vulnerability analysis in climate change adaptation.
    Academic chapter/article/Conference paper
  • Vatn, Jørn. (2010) Can we understand complex systems in terms of risk analysis?.
    Academic chapter/article/Conference paper
  • Hameed, Zafar; Vatn, Jørn. (2010) Challenges in the reliability and safety data collection for offshore wind turbines.
    Academic chapter/article/Conference paper
  • Njå, Ove; Vatn, Jørn. (2010) Safety information systems related to transport of dangerous goods in Norway.
    Academic chapter/article/Conference paper
  • Nyheim, Ole Magnus; Gran, Bjørn Axel; Pedersen, Linda Martens; Seljelid, Jorunn; Vinnem, Jan Erik; Vatn, Jørn. (2010) Use of bayesian network for modeling risk influencing factors.
    Academic chapter/article/Conference paper
  • Monsås, Therese; Vatn, Jørn. (2009) Uncertainty factors in deterioration modelling of process equipment.
    Academic chapter/article/Conference paper
  • Vatn, Jørn. (2009) Issues related to localization of an LNG facility.
    Academic chapter/article/Conference paper
  • Utne, Ingrid Bouwer; Hokstad, Per R.; Vatn, Jørn. (2009) A structured approach to modelling interdependencies in risk analysis of critical infrastructures.
    Academic chapter/article/Conference paper
  • Okstad, Eivind; Vatn, Jørn; Bye, Roar. (2009) Maintenance management and optimization of FPSOs.
    Academic chapter/article/Conference paper
  • Vatn, Jørn. (2008) Maintenance in the Rail Industry.
    Academic chapter/article/Conference paper
  • Rausand, Marvin; Vatn, Jørn. (2008) Reliability Centred Maintenance.
    Academic chapter/article/Conference paper
  • Lyngby, Narve; Hokstad, Per; Vatn, Jørn. (2008) RAMS Management of Railway Tracks.
    Academic chapter/article/Conference paper
  • Vatn, Jørn. (2007) Railway maintenance optimization - a case study related to utilization of RCM results in the interval optimization process.
    Academic chapter/article/Conference paper
  • Vatn, Jørn. (2007) Societal security - a case study related to a cash depot.
    Academic chapter/article/Conference paper
  • Vatn, Jørn. (2007) Procedures for updating test intervals based on experience data.
    Academic chapter/article/Conference paper
  • Vatn, Jørn; Langseth, Helge. (2006) Estimation of Weibull parameters when the i.i.d. assumption does not hold.
    Academic chapter/article/Conference paper
  • Welte, Thomas Michael; Vatn, Jørn; Heggset, Jørn. (2006) Markov State Model for Optimization of Maintenance and Renewal of Hydro Power Components.
    Academic chapter/article/Conference paper
  • Johnsen, Stig Ole; Herrera, Ivonne; Vatn, Jørn; Rosness, Ragnar. (2005) Cross-border Railway Operations; Building safety at Cultural Interfaces.
    Academic chapter/article/Conference paper
  • Rausand, Marvin; Vatn, Jørn. (1998) Reliability centered maintenance.
    Academic chapter/article/Conference paper

Report

  • Liu, Jie; Yin, Shen; Vatn, Jørn. (2025) Digital twin qualification for maintenance: frameworks and methods for evaluation and usability assessment. NTNU Norges teknisk-naturvitenskapelige universitet NTNU Norges teknisk-naturvitenskapelige universitet
    Doctoral dissertation
  • Laskowska, Ewa Maria; Yin, Shen; Vatn, Jørn. (2025) Health Prognostics and Maintenance Optimization of Emergency Shutdown Valves. NTNU Norges teknisk-naturvitenskapelige universitet NTNU Norges teknisk-naturvitenskapelige universitet
    Doctoral dissertation
  • Albrechtsen, Eirik; Asbjørnslett, Bjørn Egil; Børvik, Tore; Bucelli, Marta; Gjerde, Oddbjørn; Graabak, Ingeborg. (2025) Et energisikkert samfunn rustet mot angrep. SINTEF AS SINTEF AS
    Report
  • Welte, Thomas Michael; Gustavsen, Morten Andre; Vatn, Jørn; Zhupanova, Liliya; Lillehammer, Grethe; Ganz, Robert. (2022) RiskBIM - Risikostyring i BIM-drevne offentlige samferdselsprosjekter. Institutt for energiteknikk Institutt for energiteknikk
    Report
  • Vatn, Jørn. (2022) BIM and Digital Twins - Application in maintenance and operation. Norges teknisk-naturvitenskapelige universitet Norges teknisk-naturvitenskapelige universitet
    Report
  • Tveit, Guro Møen; Salomonsen, Cecilie; Misimi, Ekrem; Lillienskiold, Aleksander; Greiff, Kirsti; Aursand, Marit. (2020) iPROCESS innovation - Innovative and Flexible Food Processing Technology in Norway - 2020:00981 A. SINTEF Ocean AS SINTEF Ocean AS
    Report
  • Landmark, Andreas D.; Vatn, Jørn. (2019) Målsank 2 - indikatorer for driftsstabilitet i jernbanen. SINTEF AS SINTEF AS
    Report
  • Welte, Thomas Michael; Vatn, Jørn; Sanz-Bobi, Miguel A.; Srivastav, Himanshu. (2019) Lifetime and maintenance modelling utilizing monitoring data MonitorX report L8. Energi Norge Energi Norge
    Report
  • Bhalla, Swapnil; Vatn, Jørn. (2018) Identifying the Effects of Eliminating Replenishment for Nonexistent Backorders, on the Performance of Perishable Inventories - A Simulation Study. Norges teknisk-naturvitenskapelige universitet Norges teknisk-naturvitenskapelige universitet
    Masters thesis
  • Landmark, Andreas D.; Seim, Andreas Røsland; Vatn, Jørn. (2017) Måling og overvåking av ytelse i infrastruktur. Stiftelsen SINTEF Stiftelsen SINTEF
    Report
  • Khalifeh, Shiva; Hussein, Bassam A.; Vatn, Jørn. (2012) OPTIMIZATION OF SCHEDULE AND UNCERTAINTY MANAGEMENT. NTNU NTNU
    Masters thesis
  • Albrechtsen, Eirik; Størseth, Fred; Andersen, Siri; Besnard, Denis; Grøtan, Tor Olav; Hollnagel, Erik. (2010) Essays on socio-technical vulnerabilities and strategies of control in Integrated Operations. SINTEF Digital SINTEF Digital
    Report
  • Line, Maria Bartnes; Bertelsen, Dag Eiliv; Fridheim, Håvard; Hokstad, Per Richard; Kjølle, Gerd Hovin; Røstum, Jon. (2009) DECRIS - Risk and Decision Systems for Critical Infrastructures. Metode og verktøy for en samlet risikovurdering av kritiske infrastrukturer. SINTEF Digital SINTEF Digital
    Report
  • Vatn, Jørn; Vatn, Gunhild Åm; Sjøberg, Britt-Marie Drottz. (2008) Societal security – A case study related to an LNG facility. SAMRISK SAMRISK
    Report
  • Vatn, Jørn. (2005) Vurdering av samfunnssikkerheten ved etablering av NOKAS' anlegg i Stavanger. SINTEF Digital SINTEF Digital
    Report
  • Vatn, Jørn. (1992) Institutt for maskinkonstruksjon, NTH. [Mangler utgivernavn] [Mangler utgivernavn]
    Report

Teaching

Courses

  • TPK4140 - Reliability and Maintenance Management
  • PK6029 - Digital solutions for planning and optimization of maintenance
  • PK6018 - Safety and Reliability Analysis
  • PK6901 - Organization and Leadership, Master's Thesis
  • FLYT1102 - Aircraft Maintenance
  • TPK4450 - Digitalized Solutions to Prognosis, Predictive Maintenance and Safety Analysis
  • PK8207 - Maintenance Optimisation
  • TPK4120 - Safety and Reliability Analysis
  • TPK4550 - Reliability, Availability, Maintainability and Safety, Specialization Project
  • TPK4551 - Reliability, Availability, Maintainability and Safety, Specialization Project
  • PK6017 - Risk Analysis
  • TPK4950 - Reliability, Availability, Maintainability, and Safety, Master's Thesis
  • TPK5115 - Risk Management in Projects
  • PK6033 - Safety demonstration of novel solutions
  • PK6032 - Safety demonstration of novel solutions
  • PK6021 - Maintenance Optimisation
  • PK8200 - Risk Influence Modelling and Risk Indicators
  • TPK4191 - Production optimization and control
  • PK6031 - Digital Twins for Managing Safety and Reliability of Systems
  • BA6202 - Risk Management
  • TEP4400 - Nuclear Energy
  • PK6907 - Technology management and digital transformation, master thesis
  • HAV6003 - Digital solutions for operation and maintenance of offshore wind farms
  • MAST2012 - Condition Based Operation and Maintenance

Outreach

2025

  • Academic lecture
    Collina, Giulia; Alessandro, Campari; Vatn, Jørn; Bucelli, Marta. (2025) Monitoring Optimisation of a Retrofitted Hydrogen Pipeline Using Markov State Model. Loss Prevention 2025 , Bologna 2025-06-08 - 2025-06-11

2023

  • Academic lecture
    Alfarizi, Muhammad Gibran; Liu, Jie; Vatn, Jørn; Yin, Shen. (2023) Sustainability of ICPS from a Safety Perspective: Challenges and Opportunities. 2023 IEEE 32nd International Symposium on Industrial Electronics (ISIE) , Helsinki 2023-06-19 - 2023-06-21
  • Academic lecture
    Liu, Jie; Vatn, Jørn; Yin, Shen. (2023) Optimizing Digital Twin Design through a QFD and AHP-based Selection Methodology. the 49th Annual Conference of the IEEE Industrial Electronics Society , Singapore 2023-10-16 - 2023-10-19
  • Academic lecture
    Vatn, Jørn. (2023) Degradation modeling and remaining useful life estimation for subsea choke valves. IX Oil and Gas Production Optimization Workshop , CENPES Petrobras, Rio de Janeiro RJ Brasil 2023-03-01 - 2023-03-03
  • Academic lecture
    Liu, Xingheng; Yin, Shen; Liu, Jie; Vatn, Jørn; Bni, Asmae. (2023) Exploring security challenges in enhancing Digital Twins capabilities with ChatGPT. 2023 International Congress on Industrial and Applied Mathematics , Waseda University, Tokyo, Japan 2023-08-20 - 2023-08-25
  • Academic lecture
    Liu, Jie; Liu, Xingheng; Vatn, Jørn; Yin, Shen. (2023) A discussion about the qualification of digital twins for maintenance models. 22nd IFAC World Congress 2023 , Yokohama, Japan 2023-07-09 - 2023-07-14
  • Academic lecture
    Liu, Xingheng; Vatn, Jørn; Yin, Shen; Maithani, Vinay. (2023) Performance of ChatGPT on CMRP: Potential for Assisting Maintenance and Reliability Professionals Using Large Language Models. 49th Annual Conference of the IEEE Industrial Electronics Society (IECON 2023) 2023-10-16 - 2023-10-19

2021

  • Academic lecture
    Liu, Xingheng; Vatn, Jørn; Zhang, Aibo. (2021) Modeling subsea choke valve erosion with a production-driven shock associated degradation process. the 11th International Conference on Quality, Reliability, Risk, Maintenance, and Safety Engineering & The 4th International Conference on Reliability Systems Engineering , Chengdu 2021-08-19 - 2021-08-22

2020

  • Academic lecture
    Islam, Abu Md Ariful; Vatn, Jørn. (2020) Condition-based maintenance model for a single component subject to long preparation time and limited maintenance opportunities. 30th European Safety and Reliability Conference , Venice 2020-11-01 - 2020-11-05
  • Academic lecture
    Islam, Abu Md Ariful; Vatn, Jørn. (2020) Data analysis to facilitate offshore seawater ultrafiltration membrane replacement decision and scheduling of chemical wash. 30th European Safety and Reliability Conference , Venice 2020-11-01 - 2020-11-05

2019

  • Academic lecture
    Liu, Xingheng; Dijoux, Yann; Vatn, Jørn. (2019) On approximation of superposition of renewal process. 29th European Safety and Reliability Conference , Hannover, Germany 2019-09-22 - 2019-09-26
  • Academic lecture
    Arismendi, Renny; Barros, Anne; Grall, Antoine; Vatn, Jørn. (2019) Piecewise Deterministic Markov Processes for Condition-based Maintenance with Delay. 11th International Conference on Mathematical Methods in Reliability , City University of Hong Kong 2019-06-03 - 2019-06-07
  • Academic lecture
    Torres, Renny Jose Arismendi; Barros, Anne; Vatn, Jørn; Grall, Antoine. (2019) Prognostics and Maintenance Optimization in Bridge Management. 29th European Safety and Reliability Conference , Hannover 2019-09-22 - 2019-09-26

2014

  • Academic lecture
    Bodsberg, Lars; Hauge, Stein; Okstad, Eivind Halvard; Tinmannsvik, Ranveig Kviseth; Vatn, Jørn. (2014) Online monitoring of major accident risk in the petroleum industry. The 23rd SRA-E Conference: Analysis and governance of risks beyond boundaries , Istanbul 2014-06-16 - 2014-06-18
  • Lecture
    Vatn, Jørn. (2014) BRUK AV RISIKOANALYSER FOR Å STØTTE VEDLIKEHOLDSPROGRAMMER - Hvordan forandrer det driftshverdagen?. FSTL´s høstmøte , Trondheim 2014-11-02 - 2014-11-04
  • Lecture
    Vatn, Jørn. (2014) Statistiske metoder for å estimere feilrater og andre pålitelighetsparametere. Fagdag om probabilistisk leveringspålitelighet , Nydalen alle 33, Oslo 2014-12-08 - 2014-12-08

2012

  • Academic lecture
    Vatn, Jørn. (2012) A state based model for opportunity based maintenance. PSAM 11 & ESREL 2012 Conference , Helsinki 2012-06-25 - 2012-06-29
  • Lecture
    Hameed, Zafar; Faulstich, Stefan; Vatn, Jørn. (2012) Importance of reliability data analysis to estimate the parameters for the maintenance optimization of offshore wind turbines. ESReDA Conference 2012 Risk and Reliability for Wind Energy and other Renewable Sources , Glasgow, UK 2012-05-15 - 2012-05-16
  • Lecture
    Hameed, Zafar; Vatn, Jørn. (2012) DISCUSSIONS ON THE MAINTENANCE OPTIMIZATION OF OFFSHORE WIND TURBINE. 8th PhD Seminar on Wind Energy in Europe , Zurich 2012-09-12 - 2012-09-14
  • Academic lecture
    Hameed, Zafar; Vatn, Jørn. (2012) Selection of important RAMS parameters for 10MW reference wind turbine. DeepWind, 19-20 January 2012 , Trondheim 2012-01-19 - 2012-01-20
  • Lecture
    Hameed, Zafar; Vatn, Jørn. (2012) Development of an overall maintenance optimization framework for offshore wind turbine. PSAM11 & ESREL 2012 conference , Helsinki 2012-06-25 - 2012-06-29
  • Lecture
    Hameed, Zafar; Vatn, Jørn. (2012) How to Develop the Grouping Strategy for Offshore Wind Turbines at the Wind Farm Level. IEEE International Conference on Industrial Engineering and Engineering Management , Hong Kong 2012-12-10 - 2012-12-13

2011

  • Academic lecture
    Hofmann, Matthias; Halvorsen-Weare, Elin Espeland; Nonås, Lars Magne; Vatn, Jørn. (2011) Paper EOW 2011Final. "A FRAMEWORK AND MODEL FOR OPTIMIZING MAINTENANCE AND LOGISTICS ACTIVITIES". EWEA Offshore 2011; Amsterdam; 29 November - 1 December 2011 , Amsterdam 2011-11-29 - 2011-12-01
  • Academic lecture
    Vatn, Jørn. (2011) What can the offshore wind industry learn from the OREDA project run for 25 years in the offshore oil and gas industry?. INTERNATIONAL STATISTICAL ANALYSIS ON WIND TURBINE FAILURES , Kassel 2011-03-30 - 2011-03-31
  • Lecture
    Hameed, Zafar; Vatn, Jørn. (2011) Reliability of offshore wind turbines by grouping suitable inspection regimes. European Wind Energy Conference (EWEC 2011) , Brussels 2011-03-14 - 2011-03-17
  • Academic lecture
    Vatn, Jørn. (2011) The Macondo experience – how can IO avoid such events in the future - Panel debate. The 7th international conference on integrated operations in the petroleum industry 2011-09-13 - 2011-09-14
  • Academic lecture
    Vatn, Jørn. (2011) Bridging the gap between academia and practical decision support. The 7th international conference on integrated operations in the petroleum industry , Trondheim 2011-09-13 - 2011-09-14
  • Lecture
    Hameed, Zafar; Vatn, Jørn. (2011) Role of condition monitoring in the realization of dynamic grouping and its optimization using genetic algorithm for offshore wind turbines. Proceedings of the 24th INTERNATIONAL CONGRESS on Condition Monitoring and Diagnostics Engineering Management , Stavanger 2011-05-30 - 2011-06-01
  • Lecture
    Hameed, Zafar; Vatn, Jørn. (2011) Development of the optimal inspection and repair strategies for offshore wind turbine. ESReDA Conference 2011 Risk Analysis and Management Across Industries , Bordeaux 2011-05-25 - 2011-05-26

2010

  • Lecture
    Hameed, Zafar; Vatn, Jørn. (2010) Grouping of Maintenance and Optimization by using Genetic Algorithm. 38th ESReDA Seminar and the 3rd joint ESReDA/ESRA seminar on Advanced Maintenance Modelling , Pecs 2010-05-04 - 2010-05-05
  • Lecture
    Hameed, Zafar; Vatn, Jørn. (2010) Analysis framework for the reliability and maintainability of offshore wind Turbines. 6th PhD Seminar on Wind Energy in Europe,European Academy of Wind Energy (EAWE) , Trondheim 2010-09-30 - 2010-11-01

2009

  • Academic lecture
    Sjøberg, Britt-Marie Drottz; Vatn, Jørn. (2009) Community reactions to the development of a LNG plant. The RIPENSA-symposium “Risk psychology, environment and safety" , Karlstad 2009-06-28 - 2009-07-01
  • Academic lecture
    Vatn, Jørn. (2009) Risikoanalyse. Brannsikkerhet i bygninger , Oslo 2009-06-09 - 2009-06-10
  • Lecture
    Vatn, Jørn. (2009) Risiko og sårbarhetesanalyser i fbm klimaendringer. Klimasamling på Svalbard , Longyearbyen, Svalbard 2009-05-04 - 2009-05-08
  • Lecture
    Vatn, Jørn. (2009) Risiko- og sårbarhetsanalyser i tilknytning til klimaendringer. NORADAPT Prosjektseminar , Bergen 2009-10-21 - 2009-10-22
  • Lecture
    Vatn, Jørn. (2009) Sesjonsleder: Risikoforståelse, levende og nyttige risikoanalyser. Sikkerhestdagene , Trondheim 2009-11-04 - 2009-11-05
  • Lecture
    Vatn, Jørn. (2009) Status for dialogprosjektet om LNG anlegget i Risavika. Folkemøte om LNG anlegget i Risavika , Sola 2009-06-09 - 2009-06-09

2008

  • Academic lecture
    Lyngby, Narve; Vatn, Jørn. (2008) Dynamic Grouping of Maintenance Activities. 34th ESReDA Seminar: Supporting Technologies for Advanced Maintenance , San Sebastian 2008-05-13 - 2008-05-14
  • Academic lecture
    Vatn, Jørn; Vatn, Gunhild Åm; Sjøberg, Britt-Marie Drottz. (2008) Societal Security – A case study related to an LNG facility. SAMRISK Conference: Is there a Nordic model for societal security and safety? , Oslo 2008-09-01 - 2008-09-02
  • Academic lecture
    Utne, Ingrid Bouwer; Hokstad, Per R.; Kjølle, Gerd; Vatn, Jørn; Tøndel, Inger Anne; Bertelsen, Dag red.. (2008) Risk and Vulnerability Analysis of Critical Infrastructures - The DECRIS Approach. SAMRISK conference , Oslo 2008-09-01 -
  • Interview
    Vatn, Jørn; Helliesen, Morten. (2008) Bedre dialog skal gi mer kunnskap. LYSE NYHETSBREV LNG NR. 2 • 2 0 0 8 LYSE NYHETSBREV LNG NR. 2 • 2 0 0 8 [Internet] 2008-04-15
  • Interview
    Vatn, Jørn; Helliesen, Morten. (2008) De første møtene i dialoggruppene unnagjort, mange spørsmål om LNG-anlegget. LYSE NYHETSBREV LNG NR. 3 • 2 0 0 8 LYSE NYHETSBREV LNG NR. 3 • 2 0 0 8 [Internet] 2008-06-20
  • Interview
    Grue, Øystein; Vatn, Jørn. (2008) Jernbaneverket er helt i teten. Jernbanemagasinet Jernbanemagasinet [Journal] 2008-05-15
  • Lecture
    Vatn, Jørn. (2008) Transport av farlig gods på veg, sjø og bane. RISIT forskerkonferanse , Oslo 2008-05-29 - 2008-05-30
  • Interview
    Vatn, Gunhild Åm; Vatn, Jørn; Aasen, Tone; Ruud, Sara Sægrov. (2008) Lang vei. Nordstrand blad Nordstrand blad [Journal] 2008-11-20
  • Interview
    Garlid, Hilde; Vatn, Jørn. (2008) Lyse undervurderte informasjonsbehovet. Solabladet Solabladet [Journal] 2008-12-04
  • Interview
    Vatn, Jørn; Veland, Bernhard. (2008) Tenne på gassky. Aftenbladet Aftenbladet [Journal] 2008-12-09

2007

  • Academic lecture
    Vatn, Jørn. (2007) Transport av farlig gods på veg, sjø og bane. RISIT Forskerkonferanse - 1. og 2. oktober 2007 , Asker 2007-10-01 - 2007-10-02
  • Academic lecture
    Vatn, Jørn. (2007) Hva er RAMS. Hvordan bruke RAMS-metodikk i vedlikeholdsplanlegging. RAMS seminar , Oslo 2007-04-18 - 2007-04-18

2006

  • Academic lecture
    Vatn, Jørn. (2006) Risiko og risikokommunikasjon. Undervannsoperasjoner 2006, Sikkerhet 2006, Gass 2006 , Haugesund 2006-08-09 - 2006-08-10
  • Academic lecture
    Vatn, Jørn. (2006) Hvilken innsikt gir egentlig risikoanalysen?. Sikkerhetsdagene 2006 , Trondheim 2006-10-23 - 2006-10-24
  • Academic lecture
    Vatn, Jørn. (2006) Procedures for updating test intervals based on experience data. 30th ESReDA Seminar , Trondheim 2006-06-07 - 2006-06-08

2005

  • Academic lecture
    Njå, Ove; Vatn, Jørn. (2005) Safety information systems related to transport of dangerous goods in Norway. The 14th SRA Europe Annual Meeting , Como 2005-09-12 - 2005-09-14
  • Academic lecture
    Njå, Ove; Vatn, Jørn. (2005) Safety information systems related to transport of dangerous goods in Norway. Society of Risk Analysis - Europe, Annual Conference , Como, Italia 2005-09-12 - 2005-09-14
  • Academic lecture
    Vatn, Jørn. (2005) Quantitative risk analysis - Application in the railway maintenance - Norwegian experience. Workshop on Railway Safety Mangement Systems , Paris 2005-04-08 - 2005-04-08
  • Academic lecture
    Vatn, Jørn. (2005) Maintenance and renewal optimisation - The need for data collection and research on degradation models. Workshop on maintenance and renewal optimisation , Frankfurt 2005-10-12 - 2005-10-12
  • Academic lecture
    Vatn, Jørn. (2005) Safety culture in networks - Vulnerability assessment of infrastructure and urban systems. Cost C19 - meeting (EU programmer, møteplass) , Exeter 2005-09-07 - 2005-09-09
  • Academic lecture
    Vatn, Jørn. (2005) Risikoanalyse og risikokommunikasjon i kommunal planlegging. Sikkerhetsdagene 2005 , Trondheim 2005-10-24 - 2005-10-25

2003

  • Academic lecture
    Vatn, Jørn. (2003) Use of risk acceptance criteria in Norwegian offshore industry. Dilemmas and challenges. ESREL 2003 , Maastrict, nederland 2003-06-18 -
  • Academic lecture
    Vatn, Jørn; Steiro, Trygve. (2003) Outsourcing Strategies and Trends - Lessons learned and strategies to succeed. ProM@in workshop on Outsourcing Strategies and Trends , Brussels 2003-10-15 -
  • Academic lecture
    Vatn, Jørn. (2003) Cross border railway operations: Building safety at cultural interfaces. First European Conference on rail human factors , York, UK 2003-10-15 -
  • Academic lecture
    Vatn, Jørn. (2003) Risk based approach to determine type of ultrasonic inspection and frequencies in railway applications. World Congress on Railway Research (WCRR) , Edinburgh, Scotland 2003-10-01 -

2000

  • Academic lecture
    Sægrov, Sveinung; Hansen, Geir; Koenig, Axel; Røstum, Jon; Schilling, Wolfgang; Vatn, Jørn. (2000) Water network management : forecasting network rehabilitation needs by probabilistic methods. 1st World Congress of the International Water Association , Paris, 3 - 7 July 2000

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