نتایج جستجو برای: artificial neural network ann

تعداد نتایج: 1040345  

Journal: :مهندسی بیوسیستم ایران 0
امین فروغی راد دانشجوی کارشناسی ارشد دانشکدۀ مهندسی و فناوری کشاورزی، دانشگاه تهران سید سعید محتسبی استاد دانشکدۀ مهندسی و فناوری کشاورزی، دانشگاه تهران مهدی قاسمی ورنامخواستی استادیار گروه مهندسی مکانیک ماشین‏های کشاورزی، دانشکدۀ کشاورزی، دانشگاه شهرکرد محمود امید استاد دانشکدۀ مهندسی و فناوری کشاورزی، دانشگاه تهران

currently, nondestructive quality evaluation of various agricultural products are being developed and used. in this study, application of an electronic nose system for the quality assessment of kiwifruit (abbot variety) is used. electronic nose system coupled with artificial neural network (ann) and principal component analysis (pca) techniques was able to classify unripe, half-ripe, ripe, over...

Background and aims: Since accurate forecasts help inform decisions for preventive health-careintervention and epidemic control, this goal can only be achieved by making use of appropriatetechniques and methodologies. As much as forecast precision is important, methods and modelselection procedures are critical to forecast precision. This study aimed at providing an overview o...

Journal: :Journal of Civil & Environmental Engineering 2018

Journal: :JNW 2011
Huawang Shi

This paper presents the adoption of artificial neural network (ANN) model and Unascertained system to assist decision-makers in forecasting the early warning of financial in China. Artificial neural network (ANN) has outstanding characteristics in machine learning, fault, tolerant, parallel reasoning and processing nonlinear problem abilities. Unascertained system that imitates the human brain'...

Aliakbar Heydari Fazel Dolati Mojtaba Ahmadi Yasser Vasseghian,

In this study, activated sludge process for wastewater treatment in a refinery was investigated. For such purpose, a laboratory scale rig was built. The effect of several parameters such as temperature, residence time, effect of Leca (filling-in percentage of the reactor by Leca) and UV radiation on COD removal efficiency were experimentally examined. Maximum COD removal efficiency was obtained...

Bita Karami Gholamreza Moradi Majid Mohadesi Ramin Moradi

In recent years, biodiesel has been considered as a good alternative of diesel fuels. Density and viscosity are two important properties of these fuels. In this study, density and kinematic viscosity of biodiesel-diesel blends were estimated by using artificial neural network (ANN). A three-layer feed forward neural network with Levenberg-Marquard (LM) algorithm was used for learning empirical ...

Gholam Khayati, Mehrdad Mahdavi Jafari Soheil Soroushian,

Among artificial intelligence approaches, artificial neural networks (ANNs) and genetic algorithm (GA) are widely applied for modification of materials property in engineering science in large scale modeling. In this work artificial neural network (ANN) and genetic algorithm (GA) were applied to find the optimal conditions for achieving the maximum hardness of Al6061 reinforced by multiwall car...

Journal: :JCP 2011
Changfeng Yuan Wanlei Wang Yan L. Lin Yan Chen

Product agile customization design is an effective technological measure to win the customers and improve development efficiency. In this paper, on the basis of analyzing the characteristics of product design process and integrating the advantages of artificial neural network (ANN), a novel design method of product agile customization based on ANN is put forward. In the method, ANN models betwe...

Journal: :international journal of iron and steel society of iran 0
m. rakhshkhorshid department of mechanical and materials engineering, birjand university of technology, south khorasan, iran h. rastegari department of mechanical and materials engineering, birjand university of technology, south khorasan, iran

many efforts have been made to model the the hot deformation (dynamic recrystallization) flow curves of different materials. phenomenological constitutive models, physical-based constitutive models and artificial neural network (ann) models are the main methods used for this purpose. however, there is no report on the modeling of warm deformation (dynamic spheroidization) flow curves of any kin...

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