PRA: A PERSPECTIVE ON STRENGTHS, CURRENT LIMITATIONS, AND POSSIBLE IMPROVEMENTS

Probabilistic risk assessment (PRA) has been used in various technological fields to assist regulatory agencies, managerial decision makers, and systems designers in assessing and mitigating the risks inherent in these complex arrangements. Has PRA delivered on its promise? How do we gage PRA perfor...

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Main Author: ALI MOSLEH
Format: Article
Language:English
Published: Elsevier 2014-02-01
Series:Nuclear Engineering and Technology
Subjects:
Online Access:http://www.sciencedirect.com/science/article/pii/S1738573315300851
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author ALI MOSLEH
author_facet ALI MOSLEH
author_sort ALI MOSLEH
collection DOAJ
description Probabilistic risk assessment (PRA) has been used in various technological fields to assist regulatory agencies, managerial decision makers, and systems designers in assessing and mitigating the risks inherent in these complex arrangements. Has PRA delivered on its promise? How do we gage PRA performance? Are our expectations about value of PRA realistic? Are there disparities between what we get and what we think we are getting form PRA and its various derivatives? Do current PRAs reflect the knowledge gained from actual events? How do we address potential gaps? These are some of the questions that have been raised over the years since the inception of the field more than forty years ago. This paper offers a brief assessment of PRA as a technical discipline in theory and practice, its key strengths and weaknesses, and suggestions on ways to address real and perceived shortcomings.
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spelling doaj.art-062bd2c4c214475fa1f96f6ad83e9c562022-12-22T02:11:27ZengElsevierNuclear Engineering and Technology1738-57332014-02-0146111010.5516/NET.03.2014.700PRA: A PERSPECTIVE ON STRENGTHS, CURRENT LIMITATIONS, AND POSSIBLE IMPROVEMENTSALI MOSLEHProbabilistic risk assessment (PRA) has been used in various technological fields to assist regulatory agencies, managerial decision makers, and systems designers in assessing and mitigating the risks inherent in these complex arrangements. Has PRA delivered on its promise? How do we gage PRA performance? Are our expectations about value of PRA realistic? Are there disparities between what we get and what we think we are getting form PRA and its various derivatives? Do current PRAs reflect the knowledge gained from actual events? How do we address potential gaps? These are some of the questions that have been raised over the years since the inception of the field more than forty years ago. This paper offers a brief assessment of PRA as a technical discipline in theory and practice, its key strengths and weaknesses, and suggestions on ways to address real and perceived shortcomings.http://www.sciencedirect.com/science/article/pii/S1738573315300851Probabilistic Risk AssessmentPRA Applications and Lesson LeanedAdvanced PRA Methods
spellingShingle ALI MOSLEH
PRA: A PERSPECTIVE ON STRENGTHS, CURRENT LIMITATIONS, AND POSSIBLE IMPROVEMENTS
Nuclear Engineering and Technology
Probabilistic Risk Assessment
PRA Applications and Lesson Leaned
Advanced PRA Methods
title PRA: A PERSPECTIVE ON STRENGTHS, CURRENT LIMITATIONS, AND POSSIBLE IMPROVEMENTS
title_full PRA: A PERSPECTIVE ON STRENGTHS, CURRENT LIMITATIONS, AND POSSIBLE IMPROVEMENTS
title_fullStr PRA: A PERSPECTIVE ON STRENGTHS, CURRENT LIMITATIONS, AND POSSIBLE IMPROVEMENTS
title_full_unstemmed PRA: A PERSPECTIVE ON STRENGTHS, CURRENT LIMITATIONS, AND POSSIBLE IMPROVEMENTS
title_short PRA: A PERSPECTIVE ON STRENGTHS, CURRENT LIMITATIONS, AND POSSIBLE IMPROVEMENTS
title_sort pra a perspective on strengths current limitations and possible improvements
topic Probabilistic Risk Assessment
PRA Applications and Lesson Leaned
Advanced PRA Methods
url http://www.sciencedirect.com/science/article/pii/S1738573315300851
work_keys_str_mv AT alimosleh praaperspectiveonstrengthscurrentlimitationsandpossibleimprovements