Low Energy Consumption for Cooperative and Non-cooperative Cognitive Radio
Low Energy Consumption for Cooperative and Non-cooperative Cognitive Radio

H.N. Abdullah; H.S. Abed

Volume 35, 3A , March 2017, , Page 222-228

https://doi.org/10.30684/etj.35.3A.6

Abstract
  Recently the subject of energy-efficient is very important in cognitive radio (CR), especially during spectrum sensing, since the large energy consumption (EC) cost, produces a restriction ...  Read More ...
A Cognitive Nonlinear Fractional Order PID Neural Controller Design for Wheeled Mobile Robot based on Bacterial Foraging Optimization Algorithm
A Cognitive Nonlinear Fractional Order PID Neural Controller Design for Wheeled Mobile Robot based on Bacterial Foraging Optimization Algorithm

L.T. Rasheed; A.S. Al-Araji

Volume 35, 3A , March 2017, , Page 289-300

https://doi.org/10.30684/etj.35.3A.15

Abstract
  The aim of this paper is to design a proposed non-linear fractional order proportional-integral-derivative neural (NFOPIDN) controller by modifying and improving the performance of ...  Read More ...
Design of a Nonlinear Fractional Order PID Neural Controller for Mobile Robot based on Particle Swarm Optimization
Design of a Nonlinear Fractional Order PID Neural Controller for Mobile Robot based on Particle Swarm Optimization

Ahmed Sabah Al-Araji; Luay Thamir Rasheed

Volume 34, 12A , December 2016, , Page 2318-2333

https://doi.org/10.30684/etj.34.12A.14

Abstract
  The goal of this paper is to design a proposed non-linear fractional order proportional-integral-derivativeneural (NFOPIDN) controller by modifying and improving the performance of ...  Read More ...
Motion Control of An Autonomous Mobile Robot using Modified Particle Swarm Optimization Based Fractional Order PID Controller
Motion Control of An Autonomous Mobile Robot using Modified Particle Swarm Optimization Based Fractional Order PID Controller

Ibraheem K. Ibraheem; Ghusn A. Ibraheem

Volume 34, 13A , December 2016, , Page 2406-2419

https://doi.org/10.30684/etj.34.13A.4

Abstract
  This paper presents a comparison between two nonlinear PID controllers, the first is the Neural based controller and the second is the nonlinear fractional order PID controller (FOPID) ...  Read More ...
A Cumulative Damage Model for Fatigue Life Prediction Based on Dynamic and Static Deflections
A Cumulative Damage Model for Fatigue Life Prediction Based on Dynamic and Static Deflections

AlalKawi H.J. M; Nazhat S. Abdul; Hasan H. Juhi

Volume 33, 4A , May 2015, , Page 762-775

https://doi.org/10.30684/etj.33.4A.1

Abstract
  The main goal of this study is to report experimental evidence about the accumulative fatigue damage behavior of CK35 steel alloy at room temperature and zero main stress (R = -1) . ...  Read More ...
Design and Implementations of a Mobile Target Tracking System Using FPGA
Design and Implementations of a Mobile Target Tracking System Using FPGA

Laiyth M. Al-Rawi; Dhafer R. Zaghar; Ekhlas H. Karam

Volume 32, Issue 11 , October 2014, , Page 2627-2647

https://doi.org/10.30684/etj.32.11A.3

Abstract
  The design and implementations of a mobile target tracking system using field-programmable gate array (FPGA) are presented in this work. The idea of variable dimension (VD) filter which ...  Read More ...
Effect of Tunneling in Cohesive Soils on Existing Structures
Effect of Tunneling in Cohesive Soils on Existing Structures

Ameer Abdullah Ahmed

Volume 32, Issue 10 , October 2014, , Page 2475-2490

https://doi.org/10.30684/etj.32.10A.12

Abstract
  The present work is focused on the influence of shallow tunneling on the settlement of existed two storey building supported on different soil properties ranging from medium to stiff ...  Read More ...
The Use of New Techniques in The Management of Waste Plastic by Reuse it in The Asphalt Mix
The Use of New Techniques in The Management of Waste Plastic by Reuse it in The Asphalt Mix

Falak O. Abas; Raghad U. Abass; Enas .A .A

Volume 32, Issue 10 , October 2014, , Page 2548-2567

https://doi.org/10.30684/etj.32.10A.16

Abstract
  The quantity and type of waste being generated is growing at enormous rate. The plastic waste produced particularly in form of bags, Plates, Containers, being non-degradable and with ...  Read More ...
Bayesian Estimation of the Parameter of the Exponential Distribution with Different Priors under Symmetric and Asymmetric Loss Functions
Bayesian Estimation of the Parameter of the Exponential Distribution with Different Priors under Symmetric and Asymmetric Loss Functions

Tasnim H.K. AlBaldawi

Volume 32, 5B , May 2014, , Page 943-956

https://doi.org/10.30684/etj.32.5B.11

Abstract
  The objective of this study is to compare the performance of some Bayesian estimators for the shape parameter of the exponential distribution. We considered three priors: the extension ...  Read More ...
Process Capability Evaluation for a Non-normally Distributed One
Process Capability Evaluation for a Non-normally Distributed One

Samah Ali Aufy; Mahmoud Abbas Mahmoud

Volume 31, Issue 17 , October 2013, , Page 3245-3258

https://doi.org/10.30684/etj.31.17A.3

Abstract
  The common process capability indices (PCIs) Cp, Cpk, Cpm are widely used in practice. The use of these PCIs is based on the assumptions that process is in control and its output should ...  Read More ...
Experimental Investigation of the Effect of Isolalted and Non- Isolated Dust Particles on Glow Discharge of Air Plasma in Direct Current System
Experimental Investigation of the Effect of Isolalted and Non- Isolated Dust Particles on Glow Discharge of Air Plasma in Direct Current System

Qusay Adnan Abbas; Rabah Abdul Hamid Edan

Volume 31, 5 B , May 2013, , Page 633-640

https://doi.org/10.30684/etj.31.5B.7

Abstract
  In the present work, the effect of isolated and non-isolated dust particles on glow discharge of main air plasma charactasrics are investigated experimentally. Our results illustraited ...  Read More ...
Upgrading of Basrah-Kirkuk Blend Crude Oil Through Mechanical-Acoustical Effect and (Labs) as Surfactant
Upgrading of Basrah-Kirkuk Blend Crude Oil Through Mechanical-Acoustical Effect and (Labs) as Surfactant

Adel Sharif Hamadi; Gufran Raheem; Salam Hussain

Volume 30, Issue 16 , September 2012, , Page 2778-2791

https://doi.org/10.30684/etj.30.16.4

Abstract
  Non-Convential method has been used in this study for upgrading mixture of Basrah- Kirkuk crude oil through mechanical - acoustical effect using hydrodynamical coaxial turbo machine ...  Read More ...
A New Approach on Decision Making for Multi- Objectives Problems
A New Approach on Decision Making for Multi- Objectives Problems

Allaiden N. Ahmed; Haithem Saleem; Saad Mohsin Salman

Volume 30, Issue 7 , April 2012, , Page 1149-1153

https://doi.org/10.30684/etj.30.7.4

Abstract
  In many real life problems, one is usually confronted with several objectives, which are in mutual conflict. In this paper, multi-objective decision making is obtained, based on a mathematical ...  Read More ...
Effect of Baffles on Homogenous-Heterogeneous Regime In Two Phase Bubble Column With Non-Newtonian Liquid
Effect of Baffles on Homogenous-Heterogeneous Regime In Two Phase Bubble Column With Non-Newtonian Liquid

Asawer A. Alwasiti; Farah T. Alsudany; Ali Raad

Volume 28, Issue 24 , December 2010, , Page 6954-6969

https://doi.org/10.30684/etj.28.24.10

Abstract
  This work presents a comparison of the flow region in baffled and unbaffled bubble columns with Newtonian and non-Newtonian liquids. The experiments were carried out in column of 15 ...  Read More ...
The Effect of Solid on the Homogenous- Heterogeneous Transition Region in Baffled and Unbaffled Bubble Column with Non-Newtonian Liquid
The Effect of Solid on the Homogenous- Heterogeneous Transition Region in Baffled and Unbaffled Bubble Column with Non-Newtonian Liquid

Asawer A. Alwasiti; Farah T. Alsudany; Shrooq T. Alhemeri

Volume 28, Issue 23 , November 2010, , Page 6732-6749

https://doi.org/10.30684/etj.28.23.11

Abstract
  This research shows a comprehensive study on the effect of solid loadingand non-Newtonian liquid on the hydrodynamic parameter of gas holdup as wellas the critical values of gas holdup ...  Read More ...
Temperature Profile Measurement in Non-Premixed Turbulent Flame Near Lean Limit of LPG/Air Mixture
Temperature Profile Measurement in Non-Premixed Turbulent Flame Near Lean Limit of LPG/Air Mixture

Hayder Abed Dhahad

Volume 28, Issue 8 , April 2010, , Page 1535-1544

https://doi.org/10.30684/etj.28.8.4

Abstract
  The current research was carried out on the topic of non-Premixed turbulentflames.The temperature profile of non- premixed turbulent flame of lean LPG/Airmixture were obtained.A simple ...  Read More ...
Seismic Analysis Using Three Dimensional Modeling
Seismic Analysis Using Three Dimensional Modeling

Mohammed Ahmed A. Al-Hamdany

Volume 28, Issue 7 , March 2010, , Page 1454-1463

https://doi.org/10.30684/etj.28.7.15

Abstract
  AbstractThree-dimensional dynamic analysis is required for a large number of differenttypes of structural systems that are constructed in Seismic Zones. The lateral forcerequirements ...  Read More ...
A New Text Steganography Method By Using Non-Printing Unicode Characters
A New Text Steganography Method By Using Non-Printing Unicode Characters

Akbas E. Ali

Volume 28, Issue 1 , January 2010, , Page 72-83

https://doi.org/10.30684/etj.28.1.7

Abstract
  One of the methods used in security areas is steganography. Steganography is the artand science of hiding information by embedding messages within cover media withoutattracting attention. ...  Read More ...
Effect of Dual Reinforcement on Wear Resistance by Aluminum Compacts Reinforce by SiC, Al2O3
Effect of Dual Reinforcement on Wear Resistance by Aluminum Compacts Reinforce by SiC, Al2O3

Mohammed Saeed. Waheed; Hassan Hamed. Abed

Volume 27, Issue 13 , September 2009, , Page 423-429

https://doi.org/10.30684/etj.27.13.19

Abstract
  The producing composite materials of dual reinforcement in which the matrix material is aluminum reinforced with two types of ceramic particles : which are Alumina (50μmKeywordscomposite ...  Read More ...
Effect of Non-Symmetric Die on Extrusion Process And Product Bending
Effect of Non-Symmetric Die on Extrusion Process And Product Bending

Talal Abdul-Jabbar Abdul-wahhab; Asifah Mahdi. Mohammed; Donia Homes. Alexander

Volume 27, Issue 13 , September 2009, , Page 430-450

https://doi.org/10.30684/etj.27.13.20

Abstract
  The development in production of curved sections in one forming processusing direct extrusion process is going to increase annually because of increasing demands on such sections that ...  Read More ...
Modeling ofMixing in The Liquid Phase For Bubble Column
Modeling ofMixing in The Liquid Phase For Bubble Column

Ali H. Jawad

Volume 27, Issue 10 , July 2009, , Page 1992-2007

https://doi.org/10.30684/etj.27.10.8

Abstract
  Hydrodynamic characteristics (mixing in the liquid phase) in a bubble column with a non-Newtonian liquid phase (aqueous solutions of carboxymethylcellulose, or CMC, at different concentrations) ...  Read More ...
Studies Pressure Drop of gas-Non-Newtonian Liquid Two Phase Flow in Bubble Column
Studies Pressure Drop of gas-Non-Newtonian Liquid Two Phase Flow in Bubble Column

Ali H. Jawad

Volume 27, Issue 7 , May 2009, , Page 1336-1350

https://doi.org/10.30684/etj.27.7.10

Abstract
  An exclusive study has been done on experimental investigation of the two-phase flowpressure drop in an air-non-Newtonian liquid (CMC solutions) system in bubble column.The effects ...  Read More ...
Predicting Mechanical Properties of High Performance Concrete by Using Non-destructive Tests
Predicting Mechanical Properties of High Performance Concrete by Using Non-destructive Tests

Shakir A. Al-Mishhadani; Waleed A. Al-Qaisi; Sura F. Al-Khafaji

Volume 27, Issue 3 , February 2009, , Page 425-444

https://doi.org/10.30684/etj.27.3.3

Abstract
  In this study, high performance concrete mixes were produced by using highrange water reducing agent and also by using 10% silica fume or 10% highreactivity metakaolin as a partial ...  Read More ...
The Effects of Bearing Dimensions and Adjustable Mechanism Position for Six Pads Bearing under Dynamic Load
The Effects of Bearing Dimensions and Adjustable Mechanism Position for Six Pads Bearing under Dynamic Load

Muhannad Zedan Khalifa

Volume 27, Issue 3 , February 2009, , Page 454-467

https://doi.org/10.30684/etj.27.3.5

Abstract
  The hydrodynamic bearing consists of six pads these pads have the ability to tiltabout the clamping edge. Reynolds equation (2D) for dynamically loaded was used to findthe generated ...  Read More ...