نتایج جستجو برای: combined neural network

تعداد نتایج: 1181623  

ژورنال: :مهندسی معدن 0
صادق کریم پولی دانشگاه صنعتی امیرکبیر نادر فتحیان پور دانشگاه صنعتی اصفهان جابر روحی دانشگاه صنعتی اصفهان

reservoir permeability is a critical parameter for the evaluation of hydrocarbon reservoirs. there are a lot of well log data related with this parameter. in this study, permeability is predicted using them and a supervised committee machine neural network (scmnn) which is combined of 30 estimators. all of data were divided in two low and high permeability populations using statistical study. e...

2013
XIAOHONG WANG JIANHUI WU

In order to study the prediction ability of combined model based on BP neural network, the information is gathered to established BP neural network model. The BP neural network model is built between the incidence seniority and the influencing factors and whose prediction performance is compared with the traditional model of multivariate and linear regression. Based on this we can set up linear...

Journal: :IEEE transactions on neural networks 2000
Shengxiang Yang Dingwei Wang

This paper presents a constraint satisfaction adaptive neural network, together with several heuristics, to solve the generalized job-shop scheduling problem, one of NP-complete constraint satisfaction problems. The proposed neural network can be easily constructed and can adaptively adjust its weights of connections and biases of units based on the sequence and resource constraints of the job-...

ژورنال: مهندسی معدن 2010
جابر روحی صادق کریم پولی نادر فتحیان پور,

Reservoir permeability is a critical parameter for the evaluation of hydrocarbon reservoirs. There are a lot of well log data related with this parameter. In this study, permeability is predicted using them and a supervised committee machine neural network (SCMNN) which is combined of 30 estimators. All of data were divided in two low and high permeability populations using statistical study. E...

Journal: :نشریه دانشکده فنی 0
شبنم شهبازی دانشگاه صنعتی امیرکبیر عبدالرحیم جواهریان موسسه ژئوفیزیک مجتبی محمدو خراسانی شرکت ملی نفت

geological facies interpretation is essential for reservoir studying. the method of classification and identification seismic traces is a powerful approach for geological facies classification and distinction. use of neural networks as classifiers is increasing in different sciences like seismic. they are computer efficient and ideal for patterns identification. they can simply learn new algori...

2001
Osman Nuri Uçan Atilla Özmen

In this paper, Segmented Cellular Neural Network-Cellular Neural Network Combined Trellis Coded Quantization/Modulation (SCNN-CNN CTCQ/TCM) scheme is introduced. Here, a gray scaled image is lowered to 3 bit using our proposed Segmented Cellular Neural Network approach (SCNN) and then passed through a new CNN based structure which models combined trellis coded quantization / modulation. The per...

Journal: :journal of advances in computer research 0
milad malekzadeh young researchers and elite club, ayatollah amoli branch, islamic azad university, amol, iran esmaeil salahshour young researchers and elite club, ayatollah amoli branch, islamic azad university, amol, iran

this paper addresses a nonlinear observer based control scheme to synchronize chaotic systems subject to uncertainties and external disturbances. it is assumed that the dynamic of slave system is not completely known. in order to compensate for the system perturbation resulting from parameter variations and mismodeling phenomena, an adaptive neural network observer is employed to handle this pr...

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