Hybrid PSO-RBFNN and Proposed Algorithms of DDDWT for the Heart Disease Classification
Hybrid PSO-RBFNN and Proposed Algorithms of DDDWT for the Heart Disease Classification

Ansam S. Jabbar

Volume 39, 4A , April 2021, Page 520-527

https://doi.org/10.30684/etj.v39i4A.1498

Abstract
  This paper introduced a Particle Swarm Optimization-Radial Basis Function Neural Networks (PSO-RBFNN)-based system for heart disease detection that used the PSO algorithm to optimize ...  Read More ...
Impact of Distributed Generation on a Distribution Network Voltage Sags in Baghdad City
Impact of Distributed Generation on a Distribution Network Voltage Sags in Baghdad City

Ali H. Mohammed; Suad I. Shahl

Volume 39, 4A , April 2021, Page 528-542

https://doi.org/10.30684/etj.v39i4A.1828

Abstract
  Voltage sags are considered as one of the most detrimental power quality (PQ) disturbance due to their costly influence on sensitive loads. This paper investigates the voltage sag mitigation ...  Read More ...
Phase Transformations, Microstructure and Shape Memory Effect of NiTiAg Alloy with Different Atomic Percentages (at. % Ag) Manufactured by Casting Method
Phase Transformations, Microstructure and Shape Memory Effect of NiTiAg Alloy with Different Atomic Percentages (at. % Ag) Manufactured by Casting Method

Saja M. Hussein; Khansaa D. Salman; Ahmed A. Hussein

Volume 39, 4A , April 2021, Page 543-551

https://doi.org/10.30684/etj.v39i4A.1833

Abstract
  In this paper, shape memory alloys (SMAs) (NiTi-based) have been manufactured by casting with a different atomic percentage of a silver element (0, 1, 2 and 3 at. % Ag) using a Vacuum ...  Read More ...
Optimal H-infinity PID Model Reference Controller Design for Roll Control of a Tail-Sitter VTOL UAV
Optimal H-infinity PID Model Reference Controller Design for Roll Control of a Tail-Sitter VTOL UAV

Ali H. Mhmood; Hazem I. Ali

Volume 39, 4A , April 2021, Page 552-564

https://doi.org/10.30684/etj.v39i4A.1861

Abstract
  In this work, an optimal and robust controller based on consolidating the PID controller and H-infinity approach with the model reference control is proposed. The proposed controller ...  Read More ...
Characterization of Nb2O5-Ni Coating Prepared by DC Sputtering
Characterization of Nb2O5-Ni Coating Prepared by DC Sputtering

Hiyam M. Jedy; Rana A. Anaee; Abdullah A. Abdulkarim

Volume 39, 4A , April 2021, Page 565-572

https://doi.org/10.30684/etj.v39i4A.1902

Abstract
  The Nb2O5-Ni coating was processed using DC sputtering on structural steel and study characterization of composite coating SEM/EDS inspection indicated clearly perfect incorporation ...  Read More ...
Effect of ZRO2 and Y2O3 Deposition on Biological Behavior of Ti-Base Alloys
Effect of ZRO2 and Y2O3 Deposition on Biological Behavior of Ti-Base Alloys

Zainab Z. Al-Asadia; Fatimah J. Al-Hasani

Volume 39, 4A , April 2021, Page 573-585

https://doi.org/10.30684/etj.v39i4A.1906

Abstract
  Titanium has a good ability to attach to bone and living tissue, making it a perfect material for orthopedic implants. Because of the combination of high resistance to corrosion, biocompatibility ...  Read More ...
Investigation of Thickness Distribution Variation in Deep Drawing of Conical Steel Products
Investigation of Thickness Distribution Variation in Deep Drawing of Conical Steel Products

Muhsin J. Jweeg; Adnan I. mohammed; Mohammed S. Jabbar

Volume 39, 4A , April 2021, Page 586-598

https://doi.org/10.30684/etj.v39i4A.1908

Abstract
  This study investigates the thickness variation behavior of deep drawing conical products under the effect of different forming parameters such as die wall inclination angle, punch ...  Read More ...
Slope Stability Analysis of Haditha Dam after Earthquake using Geo-Studio Software
Slope Stability Analysis of Haditha Dam after Earthquake using Geo-Studio Software

Mohammed K. Malik; Ibtisam R. Karim

Volume 39, 4A , April 2021, Page 599-613

https://doi.org/10.30684/etj.v39i4A.1909

Abstract
  The current study is designed to analyze theslope stability of Haditha damwhich is an earth-fill dam constructed on the Euphrates River in the middle-west of Iraq. Finite element modeling ...  Read More ...
Design, Fabrication, and Testing of an Electromechanical High-Temperature Tensile Test Machine
Design, Fabrication, and Testing of an Electromechanical High-Temperature Tensile Test Machine

Taif Y. Ghadhban; Hussain J.M Al-ALkawi; Ahmed H. Reja

Volume 39, 4A , April 2021, Page 614-624

https://doi.org/10.30684/etj.v39i4A.1911

Abstract
  The following paper presents a developed design and manufacturing of a servo-driven Electromechanical high-temperature tensile machine with an integrated environmental chamber. The ...  Read More ...
Deposition of CeO2/TCP Thin Film on Stainless Steel 316 L by RF sputtering
Deposition of CeO2/TCP Thin Film on Stainless Steel 316 L by RF sputtering

Hiba A. Abdullah; Ahmed M. Al-Ghaban; Rana A. Anaee

Volume 39, 4A , April 2021, Page 625-631

https://doi.org/10.30684/etj.2021.168140

Abstract
  RF sputtering method was used for deposition 70wt% CeO2/TCP thin film on stainless steel 316L surface. The selection of ceria and tricalcium phosphate is according to the fact the importance ...  Read More ...
A New Method Using Naive Bayes And RGBD Facial Identification Based on Extracted Features from Image Pixels
A New Method Using Naive Bayes And RGBD Facial Identification Based on Extracted Features from Image Pixels

Wisam H. Ali

Volume 39, 4A , April 2021, Page 632-641

https://doi.org/10.30684/etj.v39i4A.1936

Abstract
  Nowadays, life seems to have been resilient, particularly for those with physical disabilities. Recognition of AV letters is one of the critical and famously the difficult structures. ...  Read More ...
Characterization and Mechanical Properties of the ZA-12 Hybrid Composites Reinforced with Nano Ceramic Particles
Characterization and Mechanical Properties of the ZA-12 Hybrid Composites Reinforced with Nano Ceramic Particles

Aveen K. Yawer; Niveen J. Abdulkader; Dr. Ahmed A. Zainalaadbeen

Volume 39, 4A , April 2021, Page 642-652

https://doi.org/10.30684/etj.v39i4A.1945

Abstract
  In this work, nanosized Boron nitride and silicon carbide reinforced ZA - 12 matrix hybrid composites were produced using stir casting technique with using of aluminum scrap (AA 2024), ...  Read More ...
Design and FPGA Implementation of Intelligent Fault Detection in Smart Wireless Sensor Networks
Design and FPGA Implementation of Intelligent Fault Detection in Smart Wireless Sensor Networks

Mohammed H. Hadi; Abbas Hussain Issa; Atheer Alaa Sabri

Volume 39, 4A , April 2021, Page 653-662

https://doi.org/10.30684/etj.v39i4A.1951

Abstract
  In this paper, both the design and hardware of Fault Detection (FD) in Wireless Sensor Network (WSN) was implemented using FPGA NI myRIO kit, wireless temperature sensors network with ...  Read More ...
Design of Robust FOPI-FOPD Controller for Maglev System Using Particle Swarm Optimization
Design of Robust FOPI-FOPD Controller for Maglev System Using Particle Swarm Optimization

Salwan Y. Yousif; Mohamed J. Mohamed

Volume 39, 4A , April 2021, Page 653-667

https://doi.org/10.30684/etj.v39i4A.1956

Abstract
  Magnetic Levitation System (MLS) is one of the benchmark laboratories models for designing and testing feedback control systems in the presence of the parametric uncertainties and disturbances ...  Read More ...
Effect of Ordinary Portland Cement on Some Properties of Pervious Geopolymer Concrete
Effect of Ordinary Portland Cement on Some Properties of Pervious Geopolymer Concrete

Wasan I. Khalil; Qais J. Frayyeh; Haider T. Abed

Volume 39, 4A , April 2021, Page 668-674

https://doi.org/10.30684/etj.v39i4A.1793

Abstract
  In this research, a study is made on the Pervious Geopolymer Concrete (PGC), which is based on local material (Metakaolin). The inclusion of Ordinary Portland Cement (OPC) as a partial ...  Read More ...