نتایج جستجو برای: artificial neural networks anns

تعداد نتایج: 834340  

2010
D. Su M. Wakelam K Jambunathan

Design is a complicated area consisting of a combination of rules, technical information and personal judgement. The quality of design depends highly on the designer's knowledge and experience. This system attempts to simulate the design process and to capture design expertise by combining artificial neural networks (ANNs) and knowledge based system (KBS) together with multi-media (MM). It has ...

2014
Andy M. Sarroff Michael A. Casey

With an optimal network topology and tuning of hyperparameters, artificial neural networks (ANNs) may be trained to learn a mapping from low level audio features to one or more higher-level representations. Such artificial neural networks are commonly used in classification and regression settings to perform arbitrary tasks. In this work we suggest repurposing autoencoding neural networks as mu...

Journal: :Neural computation 2003
Hussein A. Abbass

The use of backpropagation for training artificial neural networks (ANNs) is usually associated with a long training process. The user needs to experiment with a number of network architectures; with larger networks, more computational cost in terms of training time is required. The objective of this letter is to present an optimization algorithm, comprising a multiobjective evolutionary algori...

E. Salajegheh, H. Fathnejat, P. Torkzadeh, R. Ghiasi,

Vibration based techniques of structural damage detection using model updating method, are computationally expensive for large-scale structures. In this study, after locating precisely the eventual damage of a structure using modal strain energy based index (MSEBI), To efficiently reduce the computational cost of model updating during the optimization process of damage severity detection, the M...

2006
DANIEL RIVERO JULIAN DORADO JUAN RABUÑAL ALEJANDRO PAZOS

The creation process of Artificial Neural Networks (ANNs) used to be quite slow and the human expert had to test several architectures until finding the one that achieves the best results for the solution of a certain problem. This work presents a new technique that uses Genetic Programming (GP) for automatically creating ANNs. This technique also allows the obtaining of simplified networks wit...

2014
A. Di Piazza M. C. Di Piazza G. Vitale

This paper is focused on the prediction and forecast of climate time series, particularly useful for planning and management of the power grid, by artificial neural networks. An appropriate prediction and forecast of climate variables, indeed, improves the overall efficiency and performance of renewable power plants connected to the power grid. On such a basis, the application of suitable Artif...

2009
E. S. Amin

Artificial neural networks (ANNs) are computational representations based on the biological neural architecture of the brain. ANNs have been successfully applied to a wide range of engineering and scientific applications, such as signal, image processing and data analysis. Although Radiographic testing is widely used for welding defects, it is unsuccessful in identifying some welding defects be...

E. Barghi, M.R. Ghasemi,

In this paper the performance of Artificial Neural Networks (ANNs) and Adaptive Neuro- Fuzzy Inference Systems (ANFIS) in simulating the inverse dynamic behavior of Magneto- Rheological (MR) dampers is investigated. MR dampers are one of the most applicable methods in semi active control of seismic response of structures. Various mathematical models are introduced to simulate the dynamic behavi...

Journal: :نشریه مهندسی عمران و نقشه برداری 0
ابوالفضل حسنی دانشگاه تربیت مدرس علی حیدری پناه دانشگاه تربیت مدرس

creep compliance is one of the fundamental tests of mechanistic- empirical flexible pavement design procedure in the aashto 2002 design guide. in this research, a new artificial neural network model for estimating the hma creep compliance with the generalization ability of r=0.949 has been developed successfully using feed forward multi layer perceptron artificial neural networks (anns) with le...

Journal: :مهندسی بیوسیستم ایران 0
نیما تیموری دانشجوی دکتری گروه مهندسی ماشین‏های کشاورزی، دانشگاه تهران محمود امید استاد گروه مهندسی ماشین‏های کشاورزی، دانشگاه تهران کاوه ملازاده استادیار گروه مهندسی بیوسیستم، دانشگاه کردستان علی رجبی پور استاد گروه مهندسی ماشین‏های کشاورزی، دانشگاه تهران

the quality evaluation of agricultural products is one of the key factors in promoting their quality. in this study, a method based on combined image processing technique and artificial neural network was presented. separation of touching almonds under different positions is a very important step in design of grading devices. in this study, an image processing algorithm based on extracting crit...

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