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Risk analysis in plant commissioning: the Multilevel Hazop
Reliability Engineering & System Safety, 2002The paper deals with risk analysis and management in the realisation of process plants by engineering and contracting companies. Specifically, a new analytical methodology is developed to manage the typical risks of plant commissioning. Following a detailed study of the commissioning process and its criticalities, Hazop is selected as the most suitable
CAGNO, ENRICO +2 more
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Integration of interlock system analysis with automated HAZOP analysis
Reliability Engineering & System Safety, 2001Abstract The paper details the integration of a method for the analysis of interlock systems with a software support system for HAZOP analysis. The proposed software aims to enhance the potential of HAZOP in terms of depth and efficiency of the analysis.
M. Cocchiara +3 more
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Automating HAZOP analysis of batch processes
Computers & Chemical Engineering, 1999Abstract A support system for the hazard and operabilty studies of batch processes is presented. The search of causes and consequences is automatically performed using similar qualitative models, in form of logic minitrees, for the phases of the operation procedure and the equipment units.
M. Galluzzo, V. Bartolozzi, C. Rinaudo
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A process simulation-based quantitative HAZOP analysis method
2016 IEEE International Conference on Service Operations and Logistics, and Informatics (SOLI), 2016Hazard and operability (HAZOP) methodology is an important Process Hazard Analysis (PHA) technique for ensuring safety production in chemical industry. Due to the lacks of accuracy and reliability in manual HAZOP analysis, the quantitative HAZOP analysis has gained more and more attention.
Jianlong Chen +5 more
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Evaluation of Intelligent Systems for the Utilisation of HAZOP Analysis Results
2007In every industry sector, companies need to find ways to operate profitably and safely. Risk management offers a way of combining profitability and responsibility. However, no industrial company can afford to spend extensive amounts of time and money on safety and reliability studies — the collection of data and the preparation of the relevant ...
Heino, Perttu +4 more
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Hazop Analysis Applied on Critical Milling Operations
IFAC Proceedings Volumes, 1998Abstract Restarting of machine tools after undesired stops is a critical operation that often leads to damage of the workpiece or machine tool, and thereby causing significant costs. This paper describes how the Hazard and Operability (HAZOP) Analysis technique can be used to identify potential deviations of a restarting procedure in a milling ...
Knut Sorby +3 more
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Effective Security Requirements Analysis: HAZOP and Use Cases
2004Use cases are widely used for functional requirements elicitation. However, security non-functional requirements are often neglected in this requirements analysis process. As systems become increasingly complex current means of analysis will probably prove ineffective.
Thitima Srivatanakul +2 more
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A knowledge‐based framework for automating HAZOP analysis
AIChE Journal, 1994AbstractHazard and operability (HAZOP) analysis is the study of systematically identifying every conceivable abnormal process deviation, its abnormal causes and adverse hazardous consequences in a chemical plant. HAZOP analysis is a difficult, time‐consuming, and labor‐intensive activity. A automated HAZOP system can reduce the time and effort involved
Venkat Venkatasubramanian +1 more
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Experience with an expert system for automated HAZOP analysis
Computers & Chemical Engineering, 1996Hazard and Operability (HAZOP) analysis is the most widely used and recognized as the preferred safety analysis approach in the chemical process industry. A model-based framework and an expert system called HAZOPExpert has been developed recently for automating this analysis.
Ramesh Vaidhyanathan +1 more
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Digraph-based models for automated HAZOP analysis
Reliability Engineering & System Safety, 1995Hazard and operability (HAZOP) analysis is a systematic hazard identification procedure for predicting the various adverse consequences that might arise in a chemical plant due to abnormal causes. HAZOP analysis is typically performed by a group of experts by systematically considering all possible deviations from normal behavior of a process plant ...
Ramesh Vaidhyanathan +1 more
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