نتایج جستجو برای: fuzzy adaptive genetic algorithm

تعداد نتایج: 1521114  

باقری, منصور, کشته گر, بهروز,

In this paper, a new method is proposed for fuzzy structural reliability analysis; it considers epistemic uncertainty arising from the statistical ambiguity of random variables. The proposed method, namely, fuzzy dynamic-directional stability transformation method, includes two iterative loops. An internal algorithm performs the reliability analysis using the dynamic-directional stability trans...

Journal: :Mathematical Problems in Engineering 2021

The chicken swarm optimization (CSO) algorithm is a new intelligence (SIO) and has been widely used in many engineering domains. However, there are two apparent problems with the CSO algorithm, i.e., slow convergence speed difficult to achieve global optimal solutions. Aiming at attacking these of CSO, this paper, we propose an adaptive fuzzy (FCSO) algorithm. proposed FCSO uses system adaptive...

2005
G. Panoutsos M. Mahfouf

In this paper the development of a model for Mamdani type fuzzy rule-based systems using the new concept of granular computing (GrC) is presented. In this study a GrC algorithm is used to capture the required information in the form of data granules within a high dimensional complex database. The initial collection of information granules is used as a rule-base for a fuzzy inference system (FIS...

Due to uncertain nature of wind and photovoltaic power units, the participation of this units in electricity markets is subjected to significant deviation penalties. This issue leads to despondency or even admission of these units in the competitive environment. With regard to this fact that the low deviations are available when predictions are performed in a short-term horizon and also distrib...

جلیلیان, علیرضا , حدادی, امیر موسی , کاظمی, احد ,

This paper presents an improved global-best harmony search (IGHS) method to estimate the harmonics in power systems. It utilizes IGHS to estimate the harmonic components of a distorted signal along with adaptive noise. The harmonic estimation problem is linear in amplitudes and nonlinear in phases and frequencies. IGHS is used to estimate phases and frequencies, whereas the least square (LS) me...

Journal: Desert 2017
F. Ramazani H. Shekofteh,

Soil cation exchange capacity (CEC) is a parameter that represents soil fertility. Being difficult to measure, pedotransfer functions (PTFs) can be routinely applied for prediction of CEC by soil physicochemical properties that can be easily measured. This study developed the support vector regression (SVR) combined with genetic algorithm (GA) together with the adaptive network-based fuzzy infe...

In order to improve the safety and longitudinal stability of a vehicle equipped with standard ABS system, this paper, analyzes the basic principles of vehicles stability and proposes a control strategy based on fuzzy adaptive control which will adjust PID gain parameters, using genetic algorithm. A linear three-degree-of-freedom (DOF) vehicle model was set up in Simulink and the stability test ...

Journal: :journal of ai and data mining 2015
m. m. fateh s. azargoshasb

this paper presents a discrete-time robust control for electrically driven robot manipulators in the task space. a novel discrete-time model-free control law is proposed by employing an adaptive fuzzy estimator for the compensation of the uncertainty including model uncertainty, external disturbances and discretization error. parameters of the fuzzy estimator are adapted to minimize the estimat...

Journal: :international journal of industrial mathematics 0
a. ‎nadizadeh‎‎ department ‎of industrial engineering, faculty of engineering, ardakan university, ardakan, ‎iran‎. a. sadegheih industrial engineering department, faculty of engineering, yazd university, yazd, ‎iran‎. a. sabzevari ‎zadeh‎ industrial engineering department, faculty of engineering, shahed university, tehran, ‎iran.‎

in this paper, the capacitated location-routing problem with fuzzy demands (clrp-fd) is considered. the clrp-fd is composed of two well-known problems: facility location problem and vehicle routing problem. the problem has many real-life applications of which some have been addressed in the literature such as management of hazardous wastes and food and drink distribution. in clrp-fd, a set of c...

This paper presents a novel method for modeling the one-way quality prediction of VoIP, non-intrusively. Intrusive measures of voice quality suffer from common deficiency that is the need of reference signal for evaluating the quality of voice. Owing to this lack, a great deal of effort has been recently devoted for modeling voice quality prediction non-intrusively according to quality degradat...

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