Blar i NTNU Open på forfatter "Lundteigen, Mary Ann"
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Combining system-theoretic process analysis and availability assessment: A subsea case study
Zhang, Juntao; Kim, Hyungju; Liu, Yiliu; Lundteigen, Mary Ann (Journal article; Peer reviewed, 2019)Hazard identification methods are important tools to verify that the system is able to operate according to specifications under different operating conditions. Unfortunately, many of the traditional methods are not adequate ... -
Combining System-Theoretic Process Analysis with formal verification for safety demonstration of an all-electric actuation system
Radi, Selsebil Alhoda (Master thesis, 2023)Komplekse sikkerhetssystemer blir stadig mer synlige i industriløsninger, noe som nødvendiggjør mer avanserte metoder for sikkerhetsanalyse. Det er særlig relevant ved utforskningen av nye tilnærminger for sikkerhetsventiler ... -
Common Cause Failure Analysis - Improved Approach for Determining the Beta Value in the PDS Method
koo, kwiyeon (Master thesis, 2017)This master thesis investigates definitions and classifications of the common cause failure from various industries. From the investigation, four core aspects of the definition for the common cause failure are extracted, ... -
Common cause failures and cascading failures in technical systems: Similarities, differences and barriers
Xie, Lin; Lundteigen, Mary Ann; Liu, Yiliu (Chapter, 2018)Many technical systems continue to increase in size and complexity, with more interactions and interdependencies between components. Dependent failures, such as common cause failures and cascading failures, are becoming ... -
Common Cause Failures in Safety Instrumented Systems: beta factors and equipment specific checklists based on operational experience
Hauge, Stein; Hoem, Åsa Snilstveit; Hokstad, Per Richard; Solfrid, Håbrekke; Lundteigen, Mary Ann (Research report, 2015) -
A comparison of hazard analysis methods capability for safety requirements generation
Zikrullah, Nanda Anugrah; Kim, Hyungju; van der Meulen, Meine J. P; Skofteland, Gunleiv; Lundteigen, Mary Ann (Peer reviewed; Journal article, 2021)A safety-critical system comprising several interacting and software-intensive systems must be carefully analyzed to detect whether new functional requirements are needed to ensure safety. This involves an analysis of the ... -
Comparison of Hazardous Scenarios for Different Ship Autonomy Types using Systems-Theoretic Process Analysis
Kim, Hyungju; Haugen, Odd Ivar; Rokseth, Børge; Lundteigen, Mary Ann (Chapter, 2019)The area of autonomous and remotely operated ships is developing fast but is still an immature field where new ideas and novel technology solutions are being introduced. As part of these efforts, the Norwegian Forum for ... -
A Comparison of Hazardous Scenarios in Architectures with Different Integration Types
Zikrullah, Nanda Anugrah; van der Meulen, Meine; Skofteland, Gunleiv; Lundteigen, Mary Ann (Chapter, 2020)Whether or not to allow some integration between process control and safety systems has been an ongoing debate amongst safety researchers and practitioners. The principle of keeping it simple and the principle of having ... -
Conceptualizing the key features of cyber-physical systems in a multi-layered representation for safety and security analysis
Carreras Guzman, Nelson Humberto; Wied, Morten; Kozine, Igor; Lundteigen, Mary Ann (Journal article; Peer reviewed, 2019)Many safety‐related systems are evolving into cyber‐physical systems (CPSs), integrating information technologies in their control architectures and modifying the interactions among automation and human operators. Particularly, ... -
Consequence-based Detection of Cyberattacks in Operational Technology
Markusson, Maja Simons (Master thesis, 2023)Med økende sammenkobling av industrielle systemer står organisasjoner overfor større risiko knyttet til cyberangrep. Når det gjelder kritisk infrastruktur utgjør dette en betydelig utfordring. Et vanlig verktøy for å oppdage ... -
Context-based and image-based subsea pipeline degradation monitoring
Spahic, Rialda; Lundteigen, Mary Ann; Hepsø, Vidar (Journal article; Peer reviewed, 2023)This research examines the factors contributing to the exterior material degradation of subsea oil and gas pipelines monitored with autonomous underwater systems (AUS). The AUS have a role of gathering image data that is ... -
A continuous OT cybersecurity risk analysis and Mitigation process
Hanssen, Geir Kjetil; Thieme, Christoph Alexander; Bjarkø, Andrea Vik; Lundteigen, Mary Ann; Bernsmed, Karin Elisabeth; Jaatun, Martin Gilje (Chapter, 2023)Operational Technology (OT) systems are becoming increasingly software-driven and connected. This creates new digitalization opportunities but can also increase the risk of cyber security breaches than can have severe ... -
Contribution to Management of Safety Instrumented Systems (SIS) in Furnace Water Cooling Systems on Elkem Plants
Polovnikova, Ekaterina (Master thesis, 2019)Cooling systems are widely used across different industries in order to keep the industrial processes running and ensure safety. The cooling systems are a critical part of industrial furnaces, particularly Furnace Water ... -
Contribution to reliability and availability analysis of novel subsea technologies - Methods and approaches to apply in the early design phase
Zhang, Juntao (Doctoral theses at NTNU;2018:387, Doctoral thesis, 2018) -
Contributions to the safety of novel subsea technologies - Methods and approaches to support the safety demonstration process
Zikrullah, Nanda Anugrah (Doctoral theses at NTNU;2022:47, Doctoral thesis, 2022)This PhD thesis explains the contributionmade to the safety of novel subsea technologies. It is supported by this thesis objective, which is to develop and demonstrate the application of new safety assessment methods within ... -
Cyber security handling in manufacturing plants
Endresen, Sander (Master thesis, 2022)Purdue-modellen er en nivådelt modell for nettverkstopologi som brukes for å skille IT-nettverk og OT-nettverk i industrielle anlegg. IT-delen av Purdue-modellen er kontorlaget og OT-delen består av nivåene drift, kontroll, ... -
Cybersecurity for Process Control with Cloud Solutions
Skaret, Sigurd (Master thesis, 2020)Denne masteroppgaven er skrevet i samarbeid med det SINTEF-ledede forskningsprosjektet "Towards Autonomy in Process Industries" (TAPI). Målet deres er å føre den norske prosessindustrien mot autonomi, og de ser spesielt ... -
Data Models and Data Utilisation for Improved Diagnostics for Gas Detectors
Øygard, Birgit Salomonsen (Master thesis, 2023)Gassdeteksjon spiller en avgjørende rolle for sikkerheten på offshore-anlegg, men ugunstige værforhold kan påvirke infrarød stråling (IR)-gassdetektorer. Disse detektorene er avhengige av IR-stråler for å detektere gass, ... -
Datakvalitet ved digitalisering i petroleumssektoren
Myklebust, Thor; Onshus, Tor; Lindskog, Stefan; Ottermo, Maria Vatshaug; Lundteigen, Mary Ann (Research report, 2021)Formålet med denne rapporten er å undersøke hvilke datakilder og data som benyttes i industrielle IKT-systemer og hvordan data behandles og prosesseres før de gjøres tilgjengelig i kontornettet. Styrker og sårbarheter ... -
Design Implications for Robotized Testing and Inspection of Fire and Gas Detectors
Grytøyr, Christoffer Andrè (Master thesis, 2020)Abstract The oil and gas industry has experienced a substantial increase in automated machinery and utilisation of process safety systems in the later years. The next frontier is the utilization of unmanned facilities, a ...