نتایج جستجو برای: fuzzy interference system

تعداد نتایج: 2363900  

Journal: :iranian journal of chemistry and chemical engineering (ijcce) 2007
nasser saghatoleslami mahmood mousavi javad sargolzaei mohammad khoshnoodi

a neuro-fuzzy modeling tool (anfis) has been used to dynamically model cross flow ultrafiltration of milk. it aims to predict permeate flux and total hydraulic resistance as a function of transmembrane pressure, ph, temperature, fat, molecular weight cut off, and processing time. dynamic modeling of ultrafiltration performance of colloidal systems (such as milk) is very important for designing ...

Journal: :iranian journal of fuzzy systems 2008
yueli yue jinming fang

in this paper, we establish the theory of fuzzy ideal convergence on completely distributive lattices and give characterizations of some topological notions. we also study fuzzy limit structures and discuss the relationship between fuzzy co-topologies and fuzzy limit structures.

Journal: :Computers & Geosciences 2011
Meiling Liu Xiangnan Liu Menxin Wu Lufeng Li Lina Xiu

A generalized dynamic fuzzy neural network (GDFNN) was created to estimate heavy metal concentrations in rice by integrating spectral indices and environmental parameters. Hyperspectral data, environmental parameters, and heavy metal content were collected from field experiments with different levels of heavy metal pollution (Cu and Cd). Input variables used in the GDFNN model were derived from...

Journal: :CoRR 2000
Paulo J. Costa Branco J. A. Dente

Noise is source of ambiguity for fuzzy systems. Although being an important aspect, the effects of noise in fuzzy modeling have been little investigated. This paper presents a set of tests using three well-known fuzzy modeling algorithms. These evaluate perturbations in the extracted rule-bases caused by noise polluting the learning data, and the corresponding deformations in each learned funct...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه صنعتی خواجه نصیرالدین طوسی - دانشکده نقشه برداری 1390

در تعیین مناسبت کاربری اراضی شهری (urban land use suitability)کنونی به لحاظ دخیل بودن معیارهای مختلف، پیچیدگی (complexity) محیط پیرامون و عدم قطعیت uncertainty)) در اطلاعات به نظر می رسد استفاده از یک سیستم خبره مکانی فازی (spatial fuzzy expert system ) دارای انعطاف بیشتری نسبت به روشهای عددی مرسوم می باشد و هوش و نبوغ انسانی را در تصمیم گیریها بهتر منعکس کرده و نتایج مفیدی را در پی خواهد داشت....

پایان نامه :دانشگاه آزاد اسلامی - دانشگاه آزاد اسلامی واحد تهران مرکزی - دانشکده فنی 1392

موتور dc امروزه هم در جهان بدلیل قابلیت کنترل آسان سرعت هنوز مورد استفاده قرار می گیرد. در این پایان نامه طراحی و شبیه سازی یک کنترل کننده ی سیستم عصبی فازی سازگار(adaptive neuro fuzzy inference system) تحقیق می شود که این کنترل کننده در روش کنترل سرعت مدولاسیون پهنای باند(pulse width modulation)، بر روی یک موتور dc تحریک مستقل به کار گرفته شده است. هدف اصلی از انجام این کار، کاهش جریان راه ان...

Journal: :Social Science Research Network 2022

1995

Experiments with the Fuzzy ACC under various traffic conditions have shown that the fuzzy approach is very robust especially with regard to the inevitable sensor noise. The modular architecture facilitates fine-tuning of the fuzzy controller for the different situation-specific components and minimizes interference of those components during operation. The approach to adaptation has two main go...

2010
Petr KEJÍK Stanislav HANUS Jiří BLUMENSTEIN

The capacity of CDMA (Code Division Multiple Access) systems is interference limited. Therefore radio resources management (RRM) functions are used. They are responsible for supplying optimum coverage, ensuring efficient use of physical resources, and providing the maximum planned capacity. This paper deals with admission control techniques for UMTS (Universal Mobile Telecommunication System). ...

Journal: :Informatica (Slovenia) 2013
Shanglei Li Anish Poudel Tsuchin Philip Chu

This paper presents an intelligent interpretation of ultrasonic C-scan results for carbon-fiber-reinforced plastic (CFRP) panels by using fuzzy logic approach. Ultrasonic C-scan results have relatively low resolution and poor imaging quality in anisotropic composites due to the speckle noise produced by the interference of backscattered signals. In this study, fuzzy logic was implemented to acc...

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