نتایج جستجو برای: neural fuzzy model

تعداد نتایج: 2387828  

2009
Jing Zhang

This paper consists of a survey of various engineering, computational biology, medicine, etc applications based on the fuzzy neural network model, and also a summary of the recent techniques such as still support vector machine, self-organizing map, principal component analysis. The advantage of the fuzzy neural network is that it is closer to biophysical reality and mathematically more tractab...

Journal: :Int. J. Comput. Math. 2013
Jun Wang Hong Peng

Spiking neural P systems (in short, SN P systems) and their variants, including fuzzy spiking neural P systems (in short, FSN P systems), generally lack learning ability so far. Aiming at this problem, a class of modified FSN P systems are proposed in this paper, called adaptive fuzzy spiking neural P systems (in short, AFSN P systems). The AFSN P systems not only can model weighted fuzzy produ...

2011
PETR HÁJEK VLADIMÍR OLEJ

Traditional air quality assessment is realized using air quality indices which are determined as mean values of selected air pollutants. Thus, air quality assessment depends on strictly given limits without taking into account specific local conditions and synergic relations between air pollutants and other meteorological factors. The stated limitations can be eliminated, e.g. using systems bas...

2009
Yuanyuan Chai Limin Jia Zundong Zhang

Hybrid algorithm is the hot issue in Computational Intelligence (CI) study. From in-depth discussion on Simulation Mechanism Based (SMB) classification method and composite patterns, this paper presents the Mamdani model based Adaptive Neural Fuzzy Inference System (M-ANFIS) and weight updating formula in consideration with qualitative representation of inference consequent parts in fuzzy neura...

Journal: :اقتصاد و توسعه کشاورزی 0
زارع مهرجردی زارع مهرجردی نگارچی نگارچی

abstract nowadays, due to the environmental uncertainty and rapid development of new technologies, economic variables are often predicted by using less data and short-term timeframes. therefore, prediction methods which require fewer amounts of data are needed. auto regressive integrated moving average (arima) model and artificial neural networks (anns) need large amounts of data to achieve acc...

2005
CHENG-JIAN LIN CHENG-HUNG CHEN

K e y w o r d s C o m p e n s a t o r y , Fuzzy similarity measure, Inverted wedge system, Backpropagation algorithm. 1. I N T R O D U C T I O N Recently, the neural fuzzy approach to system modeling has become a popular research topic [110]. Moreover, the neural fuzzy method possesses the advantages of both the pure neural and the fuzzy methods; it brings the low-level learning and computation...

2007
Jiřı́ Iša

Growing fuzzy inference neural system (GFINN) is a fuzzy–neural network model. Its functionality can be expressed in a form of fuzzy if–then rules. The skill of the GFINN model to grow allows it to change its size and structure according to the training data. The resulting structure allows for a simple input features selection — not all input features have to be used in every fuzzy rule. The ne...

2009
Pankaj Nagar Sumit Srivastava

This paper proposes an adaptive technique in the prediction of dichotomous response variable by combining fuzzy concept with statistical logistic regression. The model was tested on cancer dataset in predicting cancer susceptibility. In this paper we will present the development, evaluation and validation of the proposed model based on the experiment carried out. Explanatory power of the adapti...

2007
Lean Yu Kin Keung Lai Shouyang Wang

This study proposes a novel neural-network-based fuzzy group forecasting model for foreign exchange rates prediction. In the proposed model, some single neural network models are first used as predictors for foreign exchange rates prediction. Then these single prediction results produced by each single neural network models are fuzzified into some fuzzy prediction representations. Subsequently,...

2009
Antonio Moran Cardenas

This paper analyzes the performance and practical implementation of fuzzy-neural networks for the autonomous motion of mobile robots. The designed fuzzy-neural controller is a refined version of a conventional fuzzy controller, and was trained to optimize a given cost function minimizing positioning error. It was found that the mobile robot with fuzzy-neural controller presents good positioning...

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