Constructing fuzzy linear programming model with practical application

اسيل سمر محمد

doi:10.33095/jeas.v21i83.656

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Publication Date

Mon Jun 01 2015

Journal Name

Journal Of Economics And Administrative Sciences

Volume

21

Issue Number

83

DOI

10.33095/jeas.v21i83.656

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Constructing fuzzy linear programming model with practical application

أنموذج البرمجة الخطية الضبابية - رقم ضبابي رباعي - برنامج (WIN QSB) - الرتب الحصينة - العمليات الجبرية - دالة الانتماء

Fuzzy linear programming model

trapezoidal fuzzy number

WIN QSB

Robust α-cut

Algebric Operations

Membership function .

اسيل سمر محمد

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This paper deals with constructing a model of fuzzy linear programming with application on fuels product of Dura- refinery , which consist of seven products that have direct effect ondaily consumption . After Building the model which consist of objective function represents the selling prices ofthe products and fuzzy productions constraints and fuzzy demand constraints addition to production requirements constraints , we used program of ( WIN QSB ) to find the optimal solution

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Publication Date

Thu Nov 21 2019

Journal Name

Journal Of Engineering

A Neural Networks based Predictive Voltage-Tracking Controller Design for Proton Exchange Membrane Fuel Cell Model

Neural Networks

Predictive Controller

Fuel Cell

Particle Swarm Optimization

Ahmed Sabah

Hayder A.

Essra A.

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In this work, a new development of predictive voltage-tracking control algorithm for Proton Exchange Membrane Fuel Cell (PEMFCs) model, using a neural network technique based on-line auto-tuning intelligent algorithm was proposed. The aim of proposed robust feedback nonlinear neural predictive voltage controller is to find precisely and quickly the optimal hydrogen partial pressure action to control the stack terminal voltage of the (PEMFC) model for N-step ahead prediction. The Chaotic Particle Swarm Optimization (CPSO) implemented as a stable and robust on-line auto-tune algorithm to find the optimal weights for the proposed predictive neural network controller to improve system performance in terms of fast-tracking de

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Publication Date

Sun Jun 23 2019

Journal Name

American Rock Mechanics Association

Using an Analytical Model to Predict Collapse Volume During Drilling: A Case Study from Southern Iraq

reservoir geomechanics

strength

Rock mechanics

borehole collapse

Reservoir Characterization

Upstream Oil & Gas

pore pressure

Wellbore Design

horizontal stress

Drilling

Ahmed K.

Asmaa

Usama

Ralph E.

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Zubair Formation is one of the richest petroleum systems in Southern Iraq. This formation is composed mainly of sandstones interbedded with shale sequences, with minor streaks of limestone and siltstone. Borehole collapse is one of the most critical challenges that continuously appear in drilling and production operations. Problems associated with borehole collapse, such as tight hole while tripping, stuck pipe and logging tools, hole enlargement, poor log quality, and poor primary cement jobs, are the cause of the majority of the nonproductive time (NPT) in the Zubair reservoir developments. Several studies released models predicting the onset of borehole collapse and the amount of enlargement of the wellbore cross-section. However, assump

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Publication Date

Sun Mar 07 2010

Journal Name

Baghdad Science Journal

Study of the properties of Ru-isotopes using the proton-neutron interacting boson model (IBM-2)

Altaf Abdul Majeed

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The proton-neutron interacting boson model (IBM-2) has been used to make a schematic study of the Ruthenium ( ) isotopes of mass region around with and . For each isotope of the values of the IBM-2 Hamiltonian parameters, which yield an acceptable results for excitation energies in comparison with those of experimental data, have been determined. Fixed values of the effective charges ( ) and of the proton and neutron g factors ( and ) have been chosen for all isotopes under study. The calculated electric quadrupole moments of state, transitions, the magnetic dipole moments transitions and mixing ratios are in reasonable agreement with the experimental data.

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Publication Date

Mon Jun 01 2020

Journal Name

Iop Conference Series: Materials Science And Engineering

On Bayesian Estimation of System Reliability in Stress – Strength Model Based on Generalized Inverse Rayleigh Distribution

Iman Ghaji

Bayda Atiya

Abbas N.

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AbstractThe parameter and system reliability in stress-strength model are estimated in this paper when the system contains several parallel components that have strengths subjects to common stress in case when the stress and strengths follow Generalized Inverse Rayleigh distribution by using different Bayesian estimation methods. Monte Carlo simulation introduced to compare among the proposal methods based on the Mean squared Error criteria.

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Publication Date

Fri Apr 15 2016

Journal Name

Research Journal Of Applied Sciences, Engineering And Technology

Development of Measurement Scale for Hypothesized Conceptual Model of E-service Quality and User Satisfaction Relationship

Iham Tariq Ismail

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Publication Date

Mon Feb 20 2012

Journal Name

North Africa Technical Conference And Exhibition

Comprehensive Model for Flash Calculations of Heavy Oils Using the Soave - Redlich - Kwong Equation of State

upstream oil & gas

Soave - Redlich - Kwong

pvt measurement

equation of state

phase behavior

correlation

mole fraction

Mohammed S.

Omar

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AbstractOne of the main techniques to achieve phase behavior calculations of reservoir fluids is the equation of state. Soave - Redlich - Kwong equation of state can then be used to predict the phase behavior of the petroleum fluids by treating it as a multi-components system of pure and pseudo-components. The use of Soave – Redlich – Kwon equation of state is popular in the calculations of petroleum engineering therefore many researchers used it to perform phase behavior analysis for reservoir fluids (Wang and Orr (2000), Ertekin and Obut (2003), Hasan (2004) and Haghtalab (2011))This paper presents a new flash model for reservoir fluids in gas – oil se ... Show More

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Publication Date

Wed May 10 2017

Journal Name

Australian Journal Of Basic And Applied Sciences

Block-based Image Steganography for Text Hiding Using YUV Color Model and Secret Key Cryptography Methods

Suhaila

Shaymaa

Ghusoon

Dhuha Abdulhadi

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Publication Date

Fri Apr 24 2020

Journal Name

Modeling Earth Systems And Environment

Assessment of reservoir properties and Buckles model for Rumaila Formation in Ahdeb oil field, Central Iraq

Buraq Adnan

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Publication Date

Sun Mar 21 2021

Journal Name

Periodicals Of Engineering And Natural Sciences (pen)

Estimation of the reliability system in model of stress- strength according to distribution of inverse Rayleigh

Bayda Atiya

Sairan Hamza

Abbas Najim

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Publication Date

Thu Jun 01 2017

Journal Name

Nuclear Physics A

Alpha-cluster preformation factor within cluster-formation model for odd-A and odd–odd heavy nuclei

Saad M.

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