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Bryan O’Halloran
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Proceedings Papers

A Zero-Trust Methodology for Security of Complex Systems With Machine Learning Components

Britta Hale, Douglas L. Van Bossuyt, Nikolaos Papakonstantinou, Bryan O’Halloran
Proc. ASME. IDETC-CIE2021, Volume 2: 41st Computers and Information in Engineering Conference (CIE), V002T02A067, August 17–19, 2021
Publisher: American Society of Mechanical Engineers
Paper No: DETC2021-70442
https://doi.org/10.1115/DETC2021-70442
View Paper titled, A Zero-Trust Methodology for Security of Complex Systems With Machine Learning Components
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Topics: Complex systems, Machine learning, Security, Defense industry, Unmanned aerial vehicles, Algorithms, Artificial neural networks, Decision making, Machinery, Safety
Journal Articles

A Zero Trust Hybrid Security and Safety Risk Analysis Method

Nikolaos Papakonstantinou, Douglas L. Van Bossuyt, Joonas Linnosmaa, Britta Hale, Bryan O’Halloran
Journal: Journal of Computing and Information Science in Engineering
Publisher: ASME
Article Type: Research Papers
J. Comput. Inf. Sci. Eng. October 2021, 21(5): 050907.
Paper No: JCISE-20-1260
https://doi.org/10.1115/1.4050685
Published Online: May 13, 2021
View Article titled, A Zero Trust Hybrid Security and Safety Risk Analysis Method
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Topics: Design, Probability, Risk analysis, Safety, Security, Systems engineering, Risk
Proceedings Papers

Towards a Zero Trust Hybrid Security and Safety Risk Analysis Method

Nikolaos Papakonstantinou, Douglas L. Van Bossuyt, Joonas Linnosmaa, Britta Hale, Bryan O’Halloran
Proc. ASME. IDETC-CIE2020, Volume 9: 40th Computers and Information in Engineering Conference (CIE), V009T09A060, August 17–19, 2020
Publisher: American Society of Mechanical Engineers
Paper No: DETC2020-22380
https://doi.org/10.1115/DETC2020-22380
View Paper titled, Towards a Zero Trust Hybrid Security and Safety Risk Analysis Method
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Topics: Risk, Risk analysis, Safety, Security
Proceedings Papers

Automatic Fault Tree Generation From Multidisciplinary Dependency Models for Early Failure Propagation Assessment

Nikolaos Papakonstantinou, Joonas Linnosmaa, Jarmo Alanen, Bryan O'Halloran
Proc. ASME. IDETC-CIE2018, Volume 1B: 38th Computers and Information in Engineering Conference, V01BT02A037, August 26–29, 2018
Publisher: American Society of Mechanical Engineers
Paper No: DETC2018-85189
https://doi.org/10.1115/DETC2018-85189
View Paper titled, Automatic Fault Tree Generation From Multidisciplinary Dependency Models for Early Failure Propagation Assessment
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Topics: Failure, Safety, Systems engineering, Complex systems, Computer software, Cooling systems, Defense industry, Failure mechanisms, Human reliability analysis, Nuclear power stations
Proceedings Papers

A Model Driven Approach for Early Assessment of Defense in Depth Capabilities of Complex Sociotechnical Systems

Nikolaos Papakonstantinou, Teemu Tommila, Bryan O’Halloran, Jarmo Alanen, Douglas L. Van Bossuyt
Proc. ASME. IDETC-CIE2017, Volume 1: 37th Computers and Information in Engineering Conference, V001T02A079, August 6–9, 2017
Publisher: American Society of Mechanical Engineers
Paper No: DETC2017-67257
https://doi.org/10.1115/DETC2017-67257
View Paper titled, A Model Driven Approach for Early Assessment of Defense in Depth Capabilities of Complex Sociotechnical Systems
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Topics: Defense industry, Design, Complex systems, Safety, Computer software, Cooling systems, Delays, Human factors, Mining, Nuclear power
Journal Articles

Modeling Cyber Conflict to Inform Critical Infrastructure Defense

Brian Connett, Bryan O’Halloran
Journal: Mechanical Engineering
Publisher: ASME
Article Type: Select Article
Mechanical Engineering. March 2017, 139(03): S9–S12.
Paper No: ME-17-MAR5
https://doi.org/10.1115/1.2017-Mar-5
Published Online: March 1, 2017
View Article titled, Modeling Cyber Conflict to Inform Critical Infrastructure Defense
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Topics: Defense industry, Modeling, Systems engineering
Proceedings Papers

A Functional Modelling Based Methodology for Testing the Predictions of Fault Detection and Identification Systems

Nikolaos Papakonstantinou, Scott Proper, Douglas L. Van Bossuyt, Bryan O’Halloran, Irem Y. Tumer
Proc. ASME. IDETC-CIE2016, Volume 1B: 36th Computers and Information in Engineering Conference, V01BT02A015, August 21–24, 2016
Publisher: American Society of Mechanical Engineers
Paper No: DETC2016-59916
https://doi.org/10.1115/DETC2016-59916
View Paper titled, A Functional Modelling Based Methodology for Testing the Predictions of Fault Detection and Identification Systems
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Topics: Flaw detection, Modeling, Testing, Artificial intelligence, Data mining, Nuclear power stations, Safety
Proceedings Papers

A Plant-Wide and Function-Specific Hierarchical Functional Fault Detection and Identification (HFFDI) System for Multiple Fault Scenarios on Complex Systems

Nikolaos Papakonstantinou, Scott Proper, Bryan O’Halloran, Irem Y. Tumer
Proc. ASME. IDETC-CIE2015, Volume 1B: 35th Computers and Information in Engineering Conference, V01BT02A039, August 2–5, 2015
Publisher: American Society of Mechanical Engineers
Paper No: DETC2015-46447
https://doi.org/10.1115/DETC2015-46447
View Paper titled, A Plant-Wide and Function-Specific Hierarchical Functional Fault Detection and Identification (HFFDI) System for Multiple Fault Scenarios on Complex Systems
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Topics: Complex systems, Flaw detection, Transfer functions, Failure, Machine learning, Nuclear power stations
Journal Articles

Capturing Deviations From Design Intent in Building Simulation Models for Risk Assessment

Heikki Nikula, Seppo Sierla, Bryan O'Halloran, Tommi Karhela
Journal: Journal of Computing and Information Science in Engineering
Publisher: ASME
Article Type: Research-Article
J. Comput. Inf. Sci. Eng. December 2015, 15(4): 041011.
Paper No: JCISE-14-1167
https://doi.org/10.1115/1.4030385
Published Online: November 6, 2015
View Article titled, Capturing Deviations From Design Intent in Building Simulation Models for Risk Assessment
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Topics: Design, Failure, Failure mechanisms, Flow (Dynamics), Hazards, Modeling, Risk assessment, Safety, Simulation, Simulation models
Proceedings Papers

Simulation Based Machine Learning for Fault Detection in Complex Systems Using the Functional Failure Identification and Propagation Framework

Nikolaos Papakonstantinou, Scott Proper, Bryan O’Halloran, Irem Y. Tumer
Proc. ASME. IDETC-CIE2014, Volume 1B: 34th Computers and Information in Engineering Conference, V01BT02A022, August 17–20, 2014
Publisher: American Society of Mechanical Engineers
Paper No: DETC2014-34628
https://doi.org/10.1115/DETC2014-34628
View Paper titled, Simulation Based Machine Learning for Fault Detection in Complex Systems Using the Functional Failure Identification and Propagation Framework
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Topics: Complex systems, Failure, Flaw detection, Machine learning, Simulation, Artificial neural networks, Fault location (Engineering), Nuclear power stations, Risk assessment, Sensitivity analysis
Proceedings Papers

Using a Feasibility Study of Human Computation for Failure Scenario Identification

Ryan Arlitt, Nikolaos Papakonstantinou, Bryan O’Halloran, Chris Hoyle, Robert Stone
Proc. ASME. IDETC-CIE2014, Volume 1B: 34th Computers and Information in Engineering Conference, V01BT02A004, August 17–20, 2014
Publisher: American Society of Mechanical Engineers
Paper No: DETC2014-35363
https://doi.org/10.1115/DETC2014-35363
View Paper titled, Using a Feasibility Study of Human Computation for Failure Scenario Identification
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Topics: Computation, Failure, Algorithms, Simulation, Complex systems, Failure analysis, Failure mechanisms, Feedback
Proceedings Papers

A Simulation Based Approach to Automate Event Tree Generation for Early Complex System Designs

Nikolaos Papakonstantinou, Seppo Sierla, Bryan O’Halloran, Irem Y. Tumer
Proc. ASME. IDETC-CIE2013, Volume 2B: 33rd Computers and Information in Engineering Conference, V02BT02A008, August 4–7, 2013
Publisher: American Society of Mechanical Engineers
Paper No: DETC2013-12314
https://doi.org/10.1115/DETC2013-12314
View Paper titled, A Simulation Based Approach to Automate Event Tree Generation for Early Complex System Designs
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Topics: Algorithms, Boiling, Complex systems, Computer software, Failure, Nuclear design, Performance, Risk assessment, Safety, Simulation