NDLI: Resilient system design for Prognosis and Health Monitoring of an ocean power generator

Content Provider	IEEE Xplore Digital Library
Author	Marcus, A. Cardei, I. Tavtilov, T. Alsenas, G.
Copyright Year	2012
Description	Author affiliation: Southeast National Marine Renewable Energy Center, Florida Atlantic University, Boca Raton, Florida, United States of America (Alsenas, G.) \|\| Department of Computer and Electrical Engineering and Computer Science, Florida Atlantic University, Boca Raton, Florida, United States of America (Marcus, A.; Cardei, I.; Tavtilov, T.)
Abstract	In this paper we introduce a new methodology that integrates system resilience engineering and hazard analysis into complex system design. We then demonstrate its performance by applying it to the design of a Prognosis and Health Monitoring (PHM) system for an ocean current power generator. Three common methodologies for system hazard analysis were tested by applying them to the PHM system's network topology architecture; STAMP-based Process Analysis (STPA), Hazard and Operability Analysis (HAZOP), and a Resilience Engineering, Heuristic-based approach. While all three approaches adequately revealed most PHM system hazards, which assisted in identifying the means with which to mitigate them, none of the approaches fully addressed the multi-state dimensionality of the sub-components of the system, missing risky and hazardous scenarios. We developed the System Hazard Indication and Extraction Learning Diagnosis (SHIELD) methodology for system hazard analysis and resilient design. SHIELD integrates state space analysis into the hazard analysis process in order to facilitate the location of undiscovered hazard scenarios. Our approach uses recursive, top-down system decomposition with subsystem, interface, and process cycle identification. Then, a bottom-up recursive evaluation is completed where we analyze the subsystem state space and state transitions with regard to hazards/failures in process cycles. This yields a comprehensive list of failure states and scenarios. Finally, a top-down prioritized application of resilient engineering heuristics which address hazard scenarios is prescribed. This final phase results in a comprehensive, complete analysis of complex system architectures forcing resilience into the final system design.
Starting Page	1
Ending Page	8
File Size	1435351
Page Count	8
File Format	PDF
ISBN	9781467307482
e-ISBN	9781467307505
DOI	10.1109/SysCon.2012.6189490
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2012-03-19
Publisher Place	Canada
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	hazard analysis Hazards Software Prognostics and health management Turbines Monitoring Resilience system resilience engineering risk analysis
Content Type	Text
Resource Type	Article

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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