نتایج جستجو برای: fuzzy estimator

تعداد نتایج: 119415  

2014
Ibrahim Hathout Harmeet Cheema Karen Callery-Broomfield

This paper introduces a new methodology for the damage assessment of existing-transmission structures using six layers, zero order Sugeno model. The model is a hybrid fuzzy-neural system that combines the power of neural networks and fuzzy systems. It is a learning expert system that finds the parameters of the fuzzy sets and fuzzy rules by exploiting approximation techniques from neural networ...

Journal: :IEEE Trans. Fuzzy Systems 2003
Shie-Jue Lee Chen-Sen Ouyang

We propose a novel approach for neuro-fuzzy system modeling. A neuro-fuzzy system for a given set of input-output data is obtained in two steps. First, the data set is partitioned automatically into a set of clusters based on input-similarity and output-similarity tests. Membership functions associated with each cluster are defined according to statistical means and variances of the data points...

2009
GIA SIRBILADZE

This work deals with the problem of the Stationary Discrete Extremal Fuzzy Dynamic System (SDEFDS) identification and briefly discusses the results developed by G. Sirbiladze [10]–[17]. Applying the results of [10] and [11], the fuzzy process with possibilistic uncertainty, the source of which is expert knowledge reflections, is constructed [12]. The dynamics of SDEFDS is described. Based on th...

2015
Yue Hu Weimin Li Hui Xu Guoqing Xu

In order to realize the online learning of a hybrid electric vehicle (HEV) control strategy, a fuzzy Q-learning (FQL) method is proposed in this paper. FQL control strategies consists of two parts: The optimal action-value function Q*(x,u) estimator network (QEN) and the fuzzy parameters tuning (FPT). A back propagation (BP) neural network is applied to estimate Q*(x,u) as QEN. For the fuzzy co...

Journal: :Automatika 2022

In this article, sensorless speed control of DC motor has been proposed using the extended Kalman filter (EKF) estimator and Takagi–Sugeno-Kang (TSK) fuzzy logic controller (FLC). industry, high-cost measurement systems/sensors are necessary for better controlling monitoring, which can be replaced by a technique to reduce cost, size increase system reliability robustness. EKF used perform estim...

Journal: :iranian journal of science and technology (sciences) 2013
a. i. shawky

this article examines statistical inference for  where and are independent but not identically distributed pareto of the first kind (pareto (i)) random variables with same scale parameter but different shape parameters. the maximum likelihood, uniformly minimum variance unbiased and bayes estimators with gamma prior are used for this purpose. simulation studies which compare the estimators are ...

Journal: :International Journal of Power Electronics and Drive Systems 2023

In this paper, we are interested in the control of rotor current doubly feed induction generator (DFIG), that is used wind turbines. context, present a comparative study between two types controllers. The first based on classic PI proportional-integral control, while second SMC sliding control. command chain uses fuzzy estimator power, which makes it possible to determine reference speed DFIG. ...

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