نتایج جستجو برای: فازی anfis
تعداد نتایج: 16607 فیلتر نتایج به سال:
This study investigates the ability of a new hybrid neuro-fuzzy model by combining (ANFIS) approach with marine predators’ algorithm (MPA) in predicting short-term (from 1 h ahead to day ahead) significant wave heights. Data from two stations, Cairns and Palm Beach buoy, were used assessing considered methods. The ANFIS-MPA was compared other methods, ANFIS genetic (ANFIS-GA) particle swarm opt...
شبکه های عصبی فازی نوع-2 توانایی بالایی در شناسایی و کنترل سیستم های غیرخطی، سیستم های تغییرپذیر با زمان و نیز سیستم های دارای نامعینی دارند. در این مقاله روش طراحی کنترل کننده معکوس تطبیقی عصبی فازی نوع-2 جهت کنترل برخط سیستم های دینامیکی غیرخطی مورد بررسی قرار گرفته است. ابتدا ساختار کلاسی از شبکه های عصبی فازی نوع-2 بازه ای مدل t-s نمایش داده می شود. این شبکه هفت لایه دارد که عملیات فازی ساز...
The aim of this paper is to propose a procedure for model selection in Adaptive Neuro-Fuzzy Inference System (ANFIS) for time series forecasting. In this paper, we focus on the model selection based on statistical inference of R incremental. The selecting model is conducted by evaluating the inputs, number of membership functions and rules in architecture of ANFIS until the contribution of R2 i...
This paper presents an application of adaptive neuro-fuzzy (ANFIS) control for switched reluctance motor (SRM) speed. The ANFIS has the advantages of expert knowledge of the fuzzy inference system and the learning capability of neural networks. An adaptive neuro-fuzzy controller of the motor speed is then designed and simulated. Digital simulation results show that the designed ANFIS speed cont...
In this paper we apply an Adaptive Network-Based Fuzzy Inference System (ANFIS) with one input, the dependent variable with one lag, for the forecasting of four macroeconomic variables of US economy, the Gross Domestic Product, the inflation rate, six monthly treasury bills interest rates and unemployment rate. We compare the forecasting performance of ANFIS with those of the widely used linear...
314 Abstract— Neuro-Fuzzy systems are hybrid intelligent systems which combine features of both paradigmsfuzzy logic and artificial neural networks. Adaptive Neuro Fuzzy Inference System (ANFIS) is one of such architecture which is widely used as solution for various real world problems. This paper describes development of an ANFIS model for FPGA implementation. Model can be realized with hardw...
ﻣﻄﺎﻟﻌﻪ ﺣﺎﺿﺮ ﺑﺎ ﻫﺪف پیش ﺑﻴﻨـﻲ ﺳـﻼﻣﺖ ﻋﻤـﻮﻣﻲ ﺑﺮاﺳﺎس انگیزه مشارکت ورزشی و فرهنگ بدن انجام شد. نمونه آماری را تمامی زنان پرسنل شاغل در معاونتهای دانشگاه علوم پزشکی کرمان که شامل549 نفر بودند تشکیل میداد. ﺑﺮای ﺟﻤﻊآوری دادهﻫﺎ از ﭘﺮﺳﺸﻨﺎﻣﻪ ﺳﻼﻣﺖ ﻋﻤﻮﻣﻲ (GHQ-28)، پرسشنامه انگیزه مشارکت ورزشی (گیل و همکاران، 1983) و پرسشنامه محقق ساخته فرهنگ بدن استفاده گردید. برای کسب اعتبار علمی از روش روایی صوری و م...
BACKGROUND An adaptive-network-based fuzzy inference system (ANFIS) was compared with an artificial neural network (ANN) in terms of accuracy in predicting the combined effects of temperature (10.5 to 24.5°C), pH level (5.5 to 7.5), sodium chloride level (0.25% to 6.25%) and sodium nitrite level (0 to 200 ppm) on the growth rate of Leuconostoc mesenteroides under aerobic and anaerobic condition...
Fuzzy Neural Networks (FNNs) techniques have been effectively used in applications that range from medical to mechanical engineering, to business and economics. Despite of attracting researchers in recent years and outperforming other fuzzy systems, Adaptive Neuro-Fuzzy Inference System (ANFIS) still needs effective parameter training and rulebase optimization methods to perform efficiently whe...
The fault diagnosis of the dissolved gas analysis (DGA) of the power transformer is to be enhanced than previous adopted techniques; this paper proposes a novel adaptive neuro Fuzzy inference system for the incipient fault recognition through enhanced approach. Complying with the practical DGA records and associated fault causes as much as possible, an ANFIS algorithm is presented to establish ...
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