Combining qualitative and quantitative reasoning to support hazard identification by computer
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Combining qualitative and quantitative reasoning to support hazard identification by computer

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Published .
Written in English

Book details:

Edition Notes

Thesis (Ph.D.) - Loughborough University, 1999.

Statementby Stephen McCoy.
ID Numbers
Open LibraryOL18339067M

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However, qualitative models and qualitative reasoning have been around in Artificial Intelligence research for some time, in particular due the growing need to offer support in decision-making. Risk identification is essential for ensuring safe design and operation of a process. Several techniques are available to analyse hazardous situations (Marhavilas et al., ). Among them, the HAZard and OPerability study (HAZOP) is a well-known technique largely applied (IEC , ). Initially, HAZOP method was a qualitative one. This article compares the results of qualitative and quantitative risk assessment systems and establishes some theoretical limitations on the extent to which they are compatible. labels to be consistent both with the underlying quantitative probabilities and with commonly used rules for combining qualitative labels. qualitative Cited by: Jul 25,  · Evaluating the risk and controlling the danger is the advancement of accident prevention and the compulsory requirement of laws. HAZOP (Hazard and Operability Analysis), is a simple but intensive, systematic, qualitative risk analytical method, is an important technique for the identification of hidden hazards in operation of tank by: 1.

The method covers both qualitative and quantitative aspects, but with emphasis on hazard identification, and it is therefore appropriate to consider it at this point. Safety analysis. The content of safety analysis is considered in terms of four main elements: (1) hazard identification, (2) QRA (3) remedial measures and (4) resources. Biostatistics are the development and application of statistical methods to a wide range of topics in encompasses the design of biological experiments, the collection and analysis of data from those experiments and the interpretation of the results. Risk identification and quantitative evaluation method is one of the core contents in the AIM. However, most of the existing methods are qualitative analysis results, simple analysis process, and strong subjectivity, which can no longer meet the development of AIM technology by: 1. Methodological Brief No Overview: Data Collection and Analysis Methods in Impact Evaluation Page 2 outputs and desired outcomes and impacts (see Brief No. 2, Theory of Change). The theory of change should also take into account any unintended (positive or negative) results. This tool is not only helpful at.

Aug 18,  · McCoy set out to develop a tool for hazard identification based on fault propagation, but did not aim that this tool would necessary emulate HAZOP. McCoy obtained a more efficient tool by the creation of a computer program for hazard identification, which is a HAZOP by: 1. Safety Early Warning Research for Highway Construction Based on Case-Based Reasoning and Variable Fuzzy Sets. support vector machine classifiers, and variable fuzzy qualitative and quantitative change criterion modes, which fully cover the needs of safe early warning systems. Cited by: 5. The Scientific World Journal is a peer-reviewed, Open Access journal that publishes original research, reviews, and clinical studies covering a wide range of subjects in science, technology, and medicine. The journal is divided into 81 subject by: 5. The term meta-analysis has been used to denote the full range of quantitative methods for research reviews. and survival or time-to-event data have hazard ratios. This should be planned at the protocol stage itself which is based on good scientific reasoning and is to be kept to a minimum.