Optimized Mamdani fuzzy models for predicting the strength of intact rocks and anisotropic rock masses

Development of accurate and reliable models for predicting the strength of rocks and rock masses is one of the most common interests of geologists, civil and mining engineers and many others. Due to uncertainties in evaluation of effective parameters and also complicated nature of geological materia...

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Main Author: Mojtaba Asadi
Format: Article
Language:English
Published: Elsevier 2016-04-01
Series:Journal of Rock Mechanics and Geotechnical Engineering
Subjects:
Online Access:http://www.sciencedirect.com/science/article/pii/S1674775515001420
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author Mojtaba Asadi
author_facet Mojtaba Asadi
author_sort Mojtaba Asadi
collection DOAJ
description Development of accurate and reliable models for predicting the strength of rocks and rock masses is one of the most common interests of geologists, civil and mining engineers and many others. Due to uncertainties in evaluation of effective parameters and also complicated nature of geological materials, it is difficult to estimate the strength precisely using theoretical approaches. On the other hand, intelligent approaches have attracted much attention as novel and effective tools of solving complicated problems in engineering practice over the past decades. In this paper, a new method is proposed for mining descriptive Mamdani fuzzy inference systems to predict the strength of intact rocks and anisotropic rock masses containing well-defined through-going joint. The proposed method initially employs a genetic algorithm (GA) to pick important rules from a preliminary rule base produced by grid partitioning and, subsequently, selected rules are given weights using the GA. Moreover, an information criterion is used during the first phase to optimize the models in terms of accuracy and complexity. The proposed hybrid method can be considered as a robust optimization task which produces promising results compared with previous approaches.
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spelling doaj.art-7658c2c9793144f4bff97db576ff6bb82022-12-22T01:21:34ZengElsevierJournal of Rock Mechanics and Geotechnical Engineering1674-77552016-04-018221822410.1016/j.jrmge.2015.11.005Optimized Mamdani fuzzy models for predicting the strength of intact rocks and anisotropic rock massesMojtaba AsadiDevelopment of accurate and reliable models for predicting the strength of rocks and rock masses is one of the most common interests of geologists, civil and mining engineers and many others. Due to uncertainties in evaluation of effective parameters and also complicated nature of geological materials, it is difficult to estimate the strength precisely using theoretical approaches. On the other hand, intelligent approaches have attracted much attention as novel and effective tools of solving complicated problems in engineering practice over the past decades. In this paper, a new method is proposed for mining descriptive Mamdani fuzzy inference systems to predict the strength of intact rocks and anisotropic rock masses containing well-defined through-going joint. The proposed method initially employs a genetic algorithm (GA) to pick important rules from a preliminary rule base produced by grid partitioning and, subsequently, selected rules are given weights using the GA. Moreover, an information criterion is used during the first phase to optimize the models in terms of accuracy and complexity. The proposed hybrid method can be considered as a robust optimization task which produces promising results compared with previous approaches.http://www.sciencedirect.com/science/article/pii/S1674775515001420Intact rockAnisotropic jointed rockMamdani fuzzy systemGenetic algorithm (GA)Information criteria
spellingShingle Mojtaba Asadi
Optimized Mamdani fuzzy models for predicting the strength of intact rocks and anisotropic rock masses
Journal of Rock Mechanics and Geotechnical Engineering
Intact rock
Anisotropic jointed rock
Mamdani fuzzy system
Genetic algorithm (GA)
Information criteria
title Optimized Mamdani fuzzy models for predicting the strength of intact rocks and anisotropic rock masses
title_full Optimized Mamdani fuzzy models for predicting the strength of intact rocks and anisotropic rock masses
title_fullStr Optimized Mamdani fuzzy models for predicting the strength of intact rocks and anisotropic rock masses
title_full_unstemmed Optimized Mamdani fuzzy models for predicting the strength of intact rocks and anisotropic rock masses
title_short Optimized Mamdani fuzzy models for predicting the strength of intact rocks and anisotropic rock masses
title_sort optimized mamdani fuzzy models for predicting the strength of intact rocks and anisotropic rock masses
topic Intact rock
Anisotropic jointed rock
Mamdani fuzzy system
Genetic algorithm (GA)
Information criteria
url http://www.sciencedirect.com/science/article/pii/S1674775515001420
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