Multicriteria and Multiobjective Models for Risk, by Adiel Teixeira de Almeida, Cristiano Alexandre Virgínio

By Adiel Teixeira de Almeida, Cristiano Alexandre Virgínio Cavalcante, Marcelo Hazin Alencar, Rodrigo José Pires Ferreira, Adiel Teixeira de Almeida-Filho, Thalles Vitelli Garcez

This ebook integrates a number of standards ideas and techniques for difficulties in the danger, Reliability and upkeep (RRM) context. The strategies and foundations with regards to RRM are thought of for this integration with multicriteria ways. within the e-book, a common framework for construction determination versions is gifted and this can be illustrated in a variety of chapters via discussing many alternative choice types on the topic of the RRM context. The scope of the publication is said to methods of the way to combine utilized chance and choice Making. In utilized chance, this ordinarily comprises: determination research and reliability thought, among different issues heavily with regards to threat research and upkeep. In determination Making, it contains a wide diversity of issues in MCDM (Multi-Criteria choice Making) and MCDA (Multi-Criteria determination helping; often referred to as Multi-Criteria selection Analysis). as well as choice research, the various themes with regards to Mathematical Programming zone are in short thought of, comparable to multiobjective optimization, on the grounds that equipment concerning those subject matters were utilized to the context of RRM.

The ebook addresses an cutting edge therapy for the choice making in RRM, thereby bettering the combination of basic ideas from the components of either RRM and choice making. this can be entire by way of providing an outline of the literature on determination making in RRM. a few pitfalls of determination versions whilst employing them to RRM in perform are mentioned and information on overcoming those drawbacks is available. The method permits multicriteria types to be equipped for the RRM context, together with tips on deciding upon a suitable multicriteria technique for a specific challenge confronted within the RRM context. The ebook additionally contains many learn advances in those issues. many of the multicriteria choice types which are defined are particular purposes which were prompted by means of this examine and the advances during this field.

Multicriteria and Multiobjective versions for probability, Reliability and upkeep determination research is implicitly based in 3 components, with 12 chapters. the 1st half offers with MCDM/A recommendations equipment and selection approaches. the second one half offers the most options and foundations of RRM. ultimately the 3rd half offers with particular selection difficulties within the RRM context approached with MCDM/A models.

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Additional resources for Multicriteria and Multiobjective Models for Risk, Reliability and Maintenance Decision Analysis

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Therefore, this stage has a basic role in the decision process and the model designed has to be seen to guarantee that it is related as closely as possible to the real problem faced. As mentioned a model is an approximation of a real situation. There is a provocative aphorism about models related to this issue: “All models are wrong but some are useful” (Box 1979). In other words, the aphorism is saying that all models are approximations of the real situation. ” (Box and Draper 1987). 4 Decision Process 7 In the choice stage the alternatives are evaluated according to the model built in order to produce a recommendation to the DM.

3 A Procedure for Resolving Problems and Building Multicriteria Models 29 Preliminary phase Step 1 DM and other actors Step 2 objectives Step 3 Criteria Step 4 set of actions; problematic Step 5 state of nature Preference Modeling and method choice Step 7 Intracriterion evaluation Step 6 Preference modeling Step 8 Intercriteria evaluation Finalization Step 9 Evaluating alternatives Step 10 Sensitivity analysis Step 11 Drawing up recommendations Step 12 Implementing action Fig. 4 Procedure for resolving an MCDM/A problem In the second phase the preference modeling is conducted and the MCDM/A method is chosen.

Box and Draper 1987). 4 Decision Process 7 In the choice stage the alternatives are evaluated according to the model built in order to produce a recommendation to the DM. The form of this recommendation depends on the problematic (Roy 1996), which may be, for instance, a selection of one of the alternative, ranking all alternatives, etc. Before the recommendation is presented to the DM a revision stage is conducted, in order to evaluate the assumptions chosen and results obtained in earlier stages, and also to check for any possible inconsistencies.

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