In this research a genetic fuzzy system (GFS) is proposed that performs discretization parameter learning in the context of the Fuzzy Inductive Reasoning (FIR) methodology and the Linguistic Rule FIR (LR-FIR) algorithm. The main goal of... more
This article describes the application of soft computing methods for solving the problem of locating garbage accumulation points in urban scenarios. This is a relevant problem in modern smart cities, in order to reduce negative... more
The purpose of the paper is to present a method for taximeter verification. Taximeters, as special measurement instruments, are subject to metrological control in order to protect the rights of taxi customers. The methodology applied for... more
This paper presents Fuzzy-UCS, a Michigan-style Learning Fuzzy-Classifier System specifically designed for supervised learning tasks. Fuzzy-UCS is inspired by UCS, an on-line accuracy-based Learning Classifier System. Fuzzy-UCS introduces... more
The objective of this work is to design, implement and test two different Genetic Furzy Systems approaches with the purpose of analyzing the performance of both when applied to classification problems. In the first approach the fuzzy sets... more
Until recently, local governments in Spain were using machines with rolling cylinders for verifying taximeters. However, the condition of the tires can lead to errors in the process and the mechanical construction of the test equipment is... more
Recently, Adaboost has been compared to greedy backfitting of extended additive models in logistic regression problems, or "Logitboost". The Adaboost algorithm has been applied to learn fuzzy rules in classification problems, and other... more
Under certain inference mechanisms, fuzzy rule bases can be regarded as extended additive models. This relationship can be applied to extend some statistical techniques to learn fuzzy models from data. The interest in this parallelism is... more
The tuning of Fuzzy Rule-Based Systems is often applied to improve their performance as a post-processing stage once an appropriate set of fuzzy rules has been extracted. This optimization problem can become a hard one when the size of... more
A methodology for learning behaviors in mobile robotics has been developed. It consists of a technique to automatically generate input-output data plus a genetic fuzzy system that obtains cooperative weighted rules. The advantages of our... more
Local wind climate is usually measured and described as the result of a regional wind climate modulated by local topography effects, roughness and obstacles in the surrounding area. This paper renders a fuzzylogic-based method designed to... more
There are two tasks in the design of linguistic fuzzy models for a concrete application: The derivation of the linguistic rule base and the setup of the inference system and the defuzzification method. Traditionally, the derivation of the... more
In this study, Doppler signals, recorded from the output of aorta valve of 80 patients, were transferred to personal computer via 16 bit sound card. The fast Fourier transform (FFT) method was applied to the recorded signal from each... more
Abstract—Genetic algorithms play a significant role, as search techniques for handling complex spaces, in many fields such as artificial intelligence, engineering, robotics, etc. Genetic algorithms are based on the underlying genetic... more
Chapter 1 GENERALS APPROACHES OF ROBOTS MOTION PLANNING 1.1. Up-to-date knoledgement on walking robots evolution 1.2. Fuzzy logic approach of motion planning and control 1.3. Algorithm for mobile robot control in uncertain environments... more
Article Info Rule generation in complex data analysis tasks poses challenges in terms of accuracy and interpretability. This research proposes a novel approach called Quantum-Inspired Fuzzy Genetic Programming (QIFGP) that integrates... more
Fuzzy navigator has been widely used in path planning for mobile robots because of its fast response. In this paper, evolutionary dual rule-based fuzzy path planner is proposed as a nobel path planner for omnidirectional mobile robots.... more
In real world processes in the industry or in business, where the elements involved generate data full of noise and biases, improving the energy efficiency represents one of the main challenges. In other fields as lighting control... more
Energy efficiency represents one of the main challenges in the engineering field, i.e., by means of decreasing the energy consumption due to a better design minimising the energy losses. This is particularly true in real world processes... more
Local wind climate is usually measured and described as the result of a regional wind climate modulated by local topography effects, roughness and obstacles in the surrounding area. This paper renders a fuzzylogic-based method designed to... more
Soft computing techniques proved to be successful in many application areas. In this paper we investigate the application in psychopathological field of two well known soft computing techniques, fuzzy logic and genetic algorithms (GAs).... more
The tuning of Fuzzy Rule-Based Systems is often applied to improve their performance as a post-processing stage once an appropriate set of fuzzy rules has been extracted. This optimization problem can become a hard one when the size of... more
The technology of concentration determining for a hazardous chemical substance in the pre-accident period is suggested. As a concentration model was selected neuro-fuzzy network with fuzzy inference in Tsukamoto form. Parametric... more
Abstract—Genetic algorithms play a significant role, as search techniques for handling complex spaces, in many fields such as artificial intelligence, engineering, robotics, etc. Genetic algorithms are based on the underlying genetic... more
The objective of this work is to design, implement and test two different Genetic Furzy Systems approaches with the purpose of analyzing the performance of both when applied to classification problems. In the first approach the fuzzy sets... more
Fuzzy Inductive Reasoning (FIR) is a data-driven methodology that uses fuzzy and pattern recognition techniques to infer system models and to predict their future behavior. It is well known that variations on fuzzy partitions have a... more
The main goal of this research is the development of a hybrid genetic fuzzy system (GFS), composed by the fuzzy inductive reasoning (FIR) methodology and a genetic algorithm (GA) that is responsible of learning the fuzzy partitions needed... more
For diagnosing dyslexia in early childhood, children have to solve non-writing based graphical tests. Human experts score these tests, and decide whether the children require further consideration on the basis of their marks. Applying... more
Local wind climate is usually measured and described as the result of a regional wind climate modulated by local topography effects, roughness and obstacles in the surrounding area. This paper renders a fuzzylogic-based method designed to... more
Fuzzy Inductive Reasoning (FIR) is a data-driven methodology that uses fuzzy and pattern recognition techniques to infer system models and to predict their future behavior. It is well known that variations on fuzzy partitions have a... more
The main goal of this research is the development of a hybrid genetic fuzzy system (GFS), composed by the fuzzy inductive reasoning (FIR) methodology and a genetic algorithm (GA) that is responsible of learning the fuzzy partitions needed... more
En este articulo se propone la utilizacion de un Sistema Difuso Evolutivo para realizar la prediccion a corto plazo de niveles de contaminacion del Aire. Se presenta la aplicacion sobre un caso puntual en Bogota, Colombia, para predecir... more
A new multi-objective evolutionary model for subgroup discovery with fuzzy rules is presented in this paper. The method resolves subgroup discovery problems based on the hybridization between fuzzy logic and genetic algorithms, with the... more
The aim of this work is to propose a hybrid heuristic approach (called hGA) based on genetic algorithm (GA) and integer-programming formulation (IPF) to solve high dimensional classification problems in linguistic fuzzy rule-based... more
The paper introduces a novel problem based on causal modeling in marketing where knowledge discovery is able to provide useful results (as shown in a real-world application). The problem features (with uncertain data and available expert... more
Introduction Unbalanced problem Unbalanced techniques comparison Racing Conclusion and future work Introduction Unbalanced problem Unbalanced techniques comparison Racing Conclusion and future work Unbalanced problem A dataset is... more
En este articulo se propone la utilizacion de un Sistema Difuso Evolutivo para realizar la prediccion a corto plazo de niveles de contaminacion del Aire. Se presenta la aplicacion sobre un caso puntual en Bogota, Colombia, para predecir... more
The present chapter deals with the issues related to the evolution of optimal fuzzy logic controllers (FLC) by proper tuning of its knowledge base (KB), using different tools, such as least-square techniques, genetic algorithms,... more
Collision-free, time-optimal navigation of a real wheeled robot in the presence of some static obstacles is undertaken in the present study. Two soft computingbased approaches, namely genetic-fuzzy system and genetic-neural system and a... more
When the Adaboost algorithm is used for extracting fuzzy rules from data, each rule is regarded as a weak learner, and knowledge bases as assimilated to ensembles. In this paper we propose an extension of this framework for obtaining... more
In this paper, we investigate on-line fuzzy modeling for predicting the prices of residential premises using the concept of evolving fuzzy models. These combine the aspects of incrementally updating the parameters and expanding the inner... more
Classification in imbalanced domains has become one of the most relevant problems within the area of Machine Learning at the present. This problem has raised in significance due to its presence in many real applications and it occurs when... more
Forecasting stock price time series is very important and challenging in the real world because they are affected by many highly interrelated economic, social, political and even psychological factors, and these factors interact with each... more
Stock market prediction is regarded as a challenging task in financial time-series forecasting. The central idea to successful stock market prediction is achieving best results using minimum required input data and the least complex stock... more
Combining SVM Classifiers Using Genetic Fuzzy Systems Based on AUC for Gene Expression Data Analysis
Recently, the use of Receiver Operating Characteristic (ROC) Curve and the area under the ROC Curve (AUC) has been receiving much attention as a measure of the performance of machine learning algorithms. In this paper, we propose a SVM... more
This work is supported by the projects: GV06/166 and CICyT TIN2006–14932–C02, partially supported by EU ERDF and the Pascal Network of Excellence.
Since thin-walled composite structures are widely used in structural engineering, damage in such structures is an important issue of research. Matrix cracking is a principal cause of failure in composites. In the present study, a... more
The attractive research in the field of robotics as a main alternative to conventional robot in recent years is Behavior-based mobile robot. This control architecture should generate perfect behavior action and able to handle conflicting... more
Body posture recognition is a very important issue as a basis for the detection of user's behavior. In this paper, we propose the use of a genetic fuzzy finite state machine for this real-world application. Fuzzy finite state... more
The wind climate measured in a point is usually described as the result of a regional wind climate forced by local effects derived from topography, roughness and obstacles in the surrounding area. This paper presents a method that allows... more