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The Effect Of Sputtering Time And Substrate Type On The Structure Of Zinc Nanoparticles Prepared By The Dc Sputtering Technique, Iman Hadi, Muslim Jawad, Khaleel Hassoon Mar 2026

The Effect Of Sputtering Time And Substrate Type On The Structure Of Zinc Nanoparticles Prepared By The Dc Sputtering Technique, Iman Hadi, Muslim Jawad, Khaleel Hassoon

Engineering and Technology Journal

Zn thin films have been successfully deposited on two different substrates, FTO and p-type Si (111), with thickness (112, 186) nm at (1 and 8) min, respectively, via DC sputtering technique in this work. Structural properties of the prepared thin films were studied using X-ray diffraction (XRD) and field-emission scanning electron microscopy (FESEM). XRD results showed that the samples have a hexagonal wurtzite structure. From the results of FESEM images, all the samples showed a uniform distribution of granular surface shape morphology. The grain sizes of the Zn thin films were estimated based on measured X-ray diffraction patterns. Zn thin …

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A Proposed Wot System For Diagnosing The Infection Of Coronavirus (Covid-19), Dalal Thair, Akbas Ali Mar 2026

A Proposed Wot System For Diagnosing The Infection Of Coronavirus (Covid-19), Dalal Thair, Akbas Ali

Engineering and Technology Journal

Coronavirus is one of the viruses that have broadly affected humans and the health system in general. The problem is that there is no treatment for the virus yet, and the virus spreads very quickly through coughing or touching. Therefore, patients infected with this virus must be isolated in their homes or designated care places. Therefore, the research aims to find appropriate methods to diagnose people with the virus remotely to avoid "mixing and trying to determine the virus's focus spread by presenting a new framework for e-health to identify Coronavirus patients. Since the web of things (WoT) is helpful …

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Rod-Like Nano-Structures Of Copper Oxide Prepared By Chemical Bath Deposition, Zainab Sadiq, Mustafa Hassan, Khaleel Hassoon Mar 2026

Rod-Like Nano-Structures Of Copper Oxide Prepared By Chemical Bath Deposition, Zainab Sadiq, Mustafa Hassan, Khaleel Hassoon

Engineering and Technology Journal

In this paper, we reported that the annealing at temperatures of 400  and 500 oC in the air for 2 hours led to the formation of rod-like structures of cupric oxide thin films prepared by the chemical bath deposition technique. The structure and the optical properties of the prepared thin films were studied to investigate the role of annealing on the films. The morphology of the as-deposited CuO films is almost structureless. However, the films are converted to rod-like shapes nano-structures after annealing, as confirmed by scanning electron microscopy.  The x-ray analysis showed that the thin films of copper oxide …

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Synthesis Of Porous Silicon By Electrochemical Etching For Gas Sensor Application, Duha Jwied, Uday Nayef, Falah Mutlak Mar 2026

Synthesis Of Porous Silicon By Electrochemical Etching For Gas Sensor Application, Duha Jwied, Uday Nayef, Falah Mutlak

Engineering and Technology Journal

In the present study, the layers of porous Silicon (PS) have been produced from the p-type Silicon with a (100) orientation using the approach of electrochemical etching. The samples were anodized in a solution of HF concentration 18% and 99% C2H2OH. Samples characteristics of PS were studied by etching time constant (15 min). In addition, the alteration of the current density value into (5, 10,15,20, and 25) mA/ cm2 was also studied. Samples were characterized by nanocrystalline porous Silicon via X-Ray Diffraction (XRD). The AFM (Atomic force microscope) analysis of PS shows the sponge-like structure. Also, a 39.76 nm average …

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Tuning The Hyperparameters Of The 1d Cnn Model To Improve The Performance Of Human Activity Recognition, Rana Lateef, Ayad Abbas Mar 2026

Tuning The Hyperparameters Of The 1d Cnn Model To Improve The Performance Of Human Activity Recognition, Rana Lateef, Ayad Abbas

Engineering and Technology Journal

The human activity recognition (HAR) field has recently become one of the trendiest research topics due to ready-made sensors such as accelerometers and gyroscopes equipped with smartphones and smartwatches as an embedded devices, decreasing the cost and power consumption. As a result, human activity is considered a time series classification problem. Now a day, deep learning approaches such as Convolutional Neural Network (CNN) have been successful when implemented with HAR to learn automatically higher-order features and, at the same time, work as a classifier. Recently, a one-dimensional Convolutional Neural Network (1D CNN) has been suggested and carried out at the …

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Improving Machine Learning Performance By Eliminating The Influence Of Unclean Data, Murtadha Ressan, Rehab Hassan Mar 2026

Improving Machine Learning Performance By Eliminating The Influence Of Unclean Data, Murtadha Ressan, Rehab Hassan

Engineering and Technology Journal

Regardless of the data source and type (text, digital, photo group, etc.), they are usually unclean data. The term (unclean) means that data contains some bugs and paradoxes that can strongly impact machine learning processes. The nature of the input data of the dataset is the most important reason for the success of the learning algorithm. More than one factor influences machine learning results in a specific task. The characteristics and the nature of the data are the main reasons for the algorithm's success. This paper generally examines data processing entered into an algorithm to learn machines. The paper explains …

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Textual Dataset Classification Using Supervised Machine Learning Techniques, Hanan Jaleel, Jane Stephan, Sinan Naji Mar 2026

Textual Dataset Classification Using Supervised Machine Learning Techniques, Hanan Jaleel, Jane Stephan, Sinan Naji

Engineering and Technology Journal

Text classification has been a significant domain of study and research because of the increased volume of text datasets and documents available in digital format. Text classification is one of the major approaches used to arrange digital information via automatically allocating text dataset records or documents into predetermined classes depending on their contents. This paper proposes a technique that implements supervised machine learning algorithms such as KNN, Decision tree, Random Forest, Bernoulli Naive Bayes, and Multinomial Naive Bayes classifiers to classify a dataset into distinct classes. The proposed technique combines the above-mentioned machine learning classifiers with the TF-IDF feature extraction …

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Proposal Framework To Light Weight Cryptography Primitives, Mustafa Abd Zaid, Soukaena Hassan Mar 2026

Proposal Framework To Light Weight Cryptography Primitives, Mustafa Abd Zaid, Soukaena Hassan

Engineering and Technology Journal

Due to manufacturing cost and portability limitations, the computing power, storage capacity, and energy of the Internet of Things (IoT) hardware are still slowly developing. From above, the proposed security system based on encryption must consider the resources, time, memory used, and the lifespan of related sensors. In addition, some applications need simple encryption, especially after the emergence of IoT and the Web of Things (WoT). Providing solutions suitable for resource-constrained devices can be achieved by using lightweight cryptography. In this paper, building a framework that includes proposals for producing lightweight security algorithms for cryptography primitives was highly recommended. For …

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The Use Of Inexpensive Sorbents To Remove Dyes From Wastewater - A Review, Firas Ahmed, Adnan Abdul Razak, May Muslim Mar 2026

The Use Of Inexpensive Sorbents To Remove Dyes From Wastewater - A Review, Firas Ahmed, Adnan Abdul Razak, May Muslim

Engineering and Technology Journal

Dyes are utilized in various industrial applications, and some businesses' effluents include hazardous dyes. Humans, aquatic creatures, and the environment are all harmed by dyes. As a result, adequately treated dyes that manage wastewater must be before being discharged into nearby bodies of water. Adsorption has proven to be high and cost-effective in removing dyes from wastewater. The sorbent material for dye removal from industrial effluent is activated carbon, but its high cost limits massive-scale utilization. The use of cost-effective adsorbents for wastewater discharge dye elimination is discussed and analyzed in this paper. This review underlines and displays a preview …

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Air-Lift Reactor's Characterization Via Computational Fluid Dynamic (Cfd): Review, Marwa Jasim, Thamer Mohammed, Laith Sabri Mar 2026

Air-Lift Reactor's Characterization Via Computational Fluid Dynamic (Cfd): Review, Marwa Jasim, Thamer Mohammed, Laith Sabri

Engineering and Technology Journal

Airlift reactors are seen as the most promising reactor for many valuable productions such as algae culturing. However, this kind of reactor still needs more information and data to understand its phenomena due to limited studies. Also, to reduce the time and offers obtained with sufficient reactor design, capable of achieving high productivities, Computational Fluid Dynamics (CFD) could play an important role in optimizing the reactor design by analyzing the interaction of hydro-dynamics. This review presents the literature review on the recent CFD work for such a reactor that addressed the fluid dynamics parameters, such as bubble dynamics. Earlier researches …

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Hydrochemical And Environmental Assessment Of Groundwater In Al-Yusufiyah District South-West Baghdad, Iraq, Rafal Abdulrazzaq, Tariq Hussain, Ghufran Jumaah Mar 2026

Hydrochemical And Environmental Assessment Of Groundwater In Al-Yusufiyah District South-West Baghdad, Iraq, Rafal Abdulrazzaq, Tariq Hussain, Ghufran Jumaah

Engineering and Technology Journal

Groundwater in Yusufiyah  represents the main water source for drinking and irrigation purposes in the dry season, so this research was conducted to assess and evaluate the hydrochemistry of groundwater in this area. (15) wells were selected for sampling in this area with depth ranges between 10-20 meters. , Groundwater generally flows from east to west and from northeast to southwest.Physical parameters for water samples were measured included temperature, pH, electrical conductivity (EC), and total dissolved solids (TDS),where the chemical parameters included major cations (Ca+2, Mg+2, Na+2, and K+) and major anions (NO3-1, SO4-2,Cl-, and HCO3-).  The results indicated that …

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Curcumin Loaded Onto Magnetic Mesoporous Material Mcm-41 For Controlled And Released In Drug Delivery System, Nidhal Atiyah, Mohammed Atiya, Talib Albayati Mar 2026

Curcumin Loaded Onto Magnetic Mesoporous Material Mcm-41 For Controlled And Released In Drug Delivery System, Nidhal Atiyah, Mohammed Atiya, Talib Albayati

Engineering and Technology Journal

In this work, the mesoporous silica nanoparticles (MSNs) of type MCM-41 were manufactured and modified with Fe3O4 to load curcumin (CUR) CUR@Fe3O4/MCM-41 as an efficient carrier in drug delivery systems. X-ray diffraction (XRD), Scanning Electron Microscopy (SEM), Fourier Transform Infrared (FT-IR), and nitrogen adsorption-desorption isotherms were used to characterize the three samples: pure MCM-41, Fe3O4/MCM-41, & CUR@Fe3O4/MCM-41. Adsorption processes tests were carried out to determine the impact of various variables on the CUR load efficiency. These variables were the carrier dosage, pH, contact time, and initial CUR concentration. The maximal drug loading efficiencies (DL %) were 15.78 % and 22.98 …

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Investigation Of Carboxymethyl Cellulose And Barite Additives On The Corrosion Characteristics Of Water-Based Drilling Mud, Rana Azeez, Najem Alrubaiey, Mohamed Gazi Mar 2026

Investigation Of Carboxymethyl Cellulose And Barite Additives On The Corrosion Characteristics Of Water-Based Drilling Mud, Rana Azeez, Najem Alrubaiey, Mohamed Gazi

Engineering and Technology Journal

Drilling fluids can be considered complex liquids containing several desired materials. These materials (small additives) are specialty products that serve a specific need, such as controlling the rheological properties of the drilling fluid and reducing corrosion for operational drilling of both oil and gas wells. Additives used to resist corrosion are called corrosion inhibitors. Previous research has shown that polymers such as Carboxymethyl Cellulose (CMC) have high characteristics of corrosion inhabitation in an aggressive environment.  In this study, the effect of adding two samples of additives, CMC and Barite, on the corrosion of carbon steel in Iraqi bentonite water base …

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A Review Of The Natural Gas Purification From Acid Gases By Membrane, Dheyaa Jasim, Thamer Mohammed, Mohammad Abid Mar 2026

A Review Of The Natural Gas Purification From Acid Gases By Membrane, Dheyaa Jasim, Thamer Mohammed, Mohammad Abid

Engineering and Technology Journal

This study aims to shed light on natural gas as an important and promising energy source. This energy source is the fastest-growing source in the world due to the increasing global demand. In this paper, the rates of growth in global demand for natural gas according to the latest reports since 1984, as well as the gas specifications required for transport and storage, acid gases, including absorption, desorption, Cryogenic and separation by membranes, are discussed with the advantages and disadvantages of each method. Focusing are presented. In addition to the primary treatment processes that take place on the gas, the …

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Best Conditions For Extraction And Stripping Of Iron From Chloridic Aqueous Medium, Mazin Beden, Wadood Mohammed, Salah Nema Mar 2026

Best Conditions For Extraction And Stripping Of Iron From Chloridic Aqueous Medium, Mazin Beden, Wadood Mohammed, Salah Nema

Engineering and Technology Journal

Pure iron is used as an additive for food and drugs to provide the human body with an important element which is iron. For this purpose, iron should be pure and in powder form, the extraction process can supply this type of iron. In this study, extraction of iron from an aqueous solution was done by cyclohexanone as an extractant. The parameters of extraction and stripping processes were studied and assessed the best values which give a high yield of separated iron from ore or any source of iron. For the preliminary study, three general parameters were studied and the …

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Performance Comparison Of Serial And Parallel Hybrid Fiber Amplifier Under Optimum Pump Conditions, Aseel Khudhaier, Abdulla Abass, Mudhafer Ali Mar 2026

Performance Comparison Of Serial And Parallel Hybrid Fiber Amplifier Under Optimum Pump Conditions, Aseel Khudhaier, Abdulla Abass, Mudhafer Ali

Engineering and Technology Journal

In this work, two different configurations of hybrid fiber optic amplifiers are investigated and simulated via OptiSystem 7.0 software, namely, serial and parallel hybrid fiber optical amplifiers (S– and P–HFOAs). The investigation involves performance comparison for the S– and P–HFOA under optimum pump conditions to demonstrate the advantages and disadvantages of each configuration. The simulation results show that the serial configuration has a high average gain level of 19.2 dB, an appropriate noise figure about 4.3 dB, but low saturation power, and limited gain bandwidth of approximately 40 nm, which is considered a primary issue in S–HOFA design, in addition …

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Physical Properties Of Pure Gold Nanoparticles And Gold Doped Zno Nanoparticles Using Laser Ablation In Liquid For Sensor Applications, Nabaa Hassan, Makram Fakhri, Evan Salim Mar 2026

Physical Properties Of Pure Gold Nanoparticles And Gold Doped Zno Nanoparticles Using Laser Ablation In Liquid For Sensor Applications, Nabaa Hassan, Makram Fakhri, Evan Salim

Engineering and Technology Journal

In this paper, the effect of using laser ablation of pure gold targets to obtain gold Nano rods and for pure zinc targets to obtain zinc oxide nanoparticles was studied separately in ethanol using an Nd:YAG laser tattoo removal (nanosecond pulses) and then mixing the resulting mixtures to obtain gold dopant with zinc oxide. Transmission electron microscopy (TEM), (XRD) X-Ray Diffraction and the optical properties were used to characterize the pure gold Nano rods, ZnO nanoparticles, and Au doped ZnO nanoparticles. Based on XRD and TEM, the results revealed the properties of the produced gold Nano roads. The obtained results …

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Numerical Simulation Of The Self-Imaging At Different Cascaded Optical Fiber Specifications, Shahad Younus, Anwaar A Al-Dergazly, Abdulla Abass Mar 2026

Numerical Simulation Of The Self-Imaging At Different Cascaded Optical Fiber Specifications, Shahad Younus, Anwaar A Al-Dergazly, Abdulla Abass

Engineering and Technology Journal

Cascaded optical fiber single mode-no core-single mode fiber (SNS) attracted attention for being the base of various photonic devices. These devices are used in optical communication, fiber sensors, and fiber laser technology. The effect of variable NCF specifications, length, diameter, external refractive index (ERI), propagating wavelength on the self-imaging position, and the multimode interference (MMI) is studied. The study aims to simulate and analyze cascaded optical fiber by using the finite element beam envelope method (BEM). To the best of our knowledge, this is the first report that studied the self-imaging in cascaded optical fiber longitudinally by using BEM. The …

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A Comprehensive Comparison For Different Hybrid Based Localization Algorithms For Indoor Communications, Riam Zaal, Eyad Abbas, Mahmood Mosleh Mar 2026

A Comprehensive Comparison For Different Hybrid Based Localization Algorithms For Indoor Communications, Riam Zaal, Eyad Abbas, Mahmood Mosleh

Engineering and Technology Journal

The era of the wireless communication-based indoor environment has resulted in several challenges represented by signal reflection, diffraction, and attenuation. Thereby, it affects several wireless-based applications such as positioning, localization, monitoring different objects. With such challenges, estimation error would be increased significantly, and the accuracy will be reduced. To handle such challenges, several new approaches were proposed by many researchers. The most interesting approach for the localization purpose was the hybrid localization approach. A combination of several parameters would be utilized to propose methods that take advantage of these parameters. In this work, a comprehensive analysis was carried out for …

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Synthesized Of Gan Nanostructure Using 1064 Nm Laser Wavelength By Pulsed Laser Ablation In Liquid, Husam Aldin Abdul Amir, Makram Fakhri, Ali. Alwahib Mar 2026

Synthesized Of Gan Nanostructure Using 1064 Nm Laser Wavelength By Pulsed Laser Ablation In Liquid, Husam Aldin Abdul Amir, Makram Fakhri, Ali. Alwahib

Engineering and Technology Journal

GaN nanostructure was Synthesized using Pulsed laser ablation in liquid ethanol with Nd:YAG laser at pulsed laser ablation energy of 1600 mj and laser wavelength of 1064 nm. The nanoparticle was deposited using the drop cast method on the prepared porous silicon substrate. The structural and optical properties of the prepared GaN were studied. XRD pattern shows a high and sharp peak of pSi peak at 2θ =28.74 reflected from (111) plane and exhibits h-GaN rise at 2θ =34.54, 2θ =37.49, 2θ= 48.19 and 2θ=57.99 which are reflected from (002), (100), (102), (110) planes respectively where (002) plane has the …

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Fpga-Based Single-Phase Pv Inverter Using Unipolar And Bipolar Spwm Control Techniques, Murtadha Sadeq, Hanan A. Akkar Mar 2026

Fpga-Based Single-Phase Pv Inverter Using Unipolar And Bipolar Spwm Control Techniques, Murtadha Sadeq, Hanan A. Akkar

Engineering and Technology Journal

The study presents circuitry modeling and methodology to integrate solar photovoltaic (PV) energy with grid (AC) sources to supplement household appliances during a power cut-off or restricted supply period and alternating charge deep cycle batteries. This paper discusses an FPGA-based Sinusoidal Pulse Width Modulation (SPWM) generator as a control mechanism for a PV/Battery full-bridge inverter. The inverter's efficacy is expressed as the Total Harmonic Distortion (THD) ratio, which must be as low as possible. Various schemes are proposed to reduce THD to generate a more sinusoidal output wave. SPWM is mostly used in industrial inverters. Two SPWM techniques, Bipolar and …

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A Comparative Study Of Perturb And Observe (P&O) And Incremental Conductance (Inc) Pv Mppt Techniques At Different Radiation And Temperature Conditions, Marwan Ahmad, Ali Numan, Dhari Mahmood Mar 2026

A Comparative Study Of Perturb And Observe (P&O) And Incremental Conductance (Inc) Pv Mppt Techniques At Different Radiation And Temperature Conditions, Marwan Ahmad, Ali Numan, Dhari Mahmood

Engineering and Technology Journal

The biggest challenge in the solar system is to extract the maximum output powerfrom photovoltaic (PV) panels under different solar radiation and temperatureconditions. This paper presents a comparative study between perturb and observe(P & O) and incremental conduction (INC) algorithms. These are the most popularalgorithms for tracking solar PV panels and extracting the maximum power point(MPP) under different climate conditions. The studied PV system and the MPPTtechniques have been investigated by simulation using MATLAB/Simulink. Thesimulation includes a boost converter, which increases the PV panel voltage bycontrolling the duty cycle. The obtained results show that the P & O performanceclose to …

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Optimizing The Performance Of Wireless Sensor Network Based On Software Defined Network And Gaussian Filter, Jumana Khearallah, Khalida Rijab Mar 2026

Optimizing The Performance Of Wireless Sensor Network Based On Software Defined Network And Gaussian Filter, Jumana Khearallah, Khalida Rijab

Engineering and Technology Journal

This paper presents software defining network SDN control in wireless sensor networks (WSN) to estimate packet flow, which relies on a Gaussian filter to filter the transmitted signal. The practical aim of this method is to predict the next step of packet flow earlier, which helps reduce congestion if it occurs. The proposed model (SDN-WSN with Gaussian filter) is applied to enhance signal transmission, reduce data error, reduce congestion network and reduce data overflow data. The methodology of the proposed work can be explained as follows: first: distributing nodes randomly; second: Applying the K-mean cluster to choose to select the …

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Eccentricity Effect On Radial Forces Of Bearingless Bldc Motor: Study And Analysis, Ali Yousif, Ahmed Mohammed, Mohammed Moanes Ali Mar 2026

Eccentricity Effect On Radial Forces Of Bearingless Bldc Motor: Study And Analysis, Ali Yousif, Ahmed Mohammed, Mohammed Moanes Ali

Engineering and Technology Journal

The bearingless BLDC motor gathers all advantages of the BLDC motor and bearingless machine, and this motor is extensively used in blood and artificial heart pumps. In a bearingless BLDC motor, there are two sets of windings, the main winding, responsible for producing the motor torque, and the suspension winding, which keeps the rotor in the center without any contact with the stator. Generally, the suspension system is responsible for the generation of the suspension forces to cancel the pull-out forces (radial forces), which strongly depends on the accurate evaluation of radial forces distribution at different operating conditions. In this …

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Effect Of Fiber-Telescope Coupling Losses On Wideband Wavelength Division Multiplexing In Free Space Optical Communications, Abdulrahman. Almukhtar, Abdulla Abass, Mudhafer. Ali Mar 2026

Effect Of Fiber-Telescope Coupling Losses On Wideband Wavelength Division Multiplexing In Free Space Optical Communications, Abdulrahman. Almukhtar, Abdulla Abass, Mudhafer. Ali

Engineering and Technology Journal

The effect of telescope losses (TL) on wideband wavelength division multiplexing (Wideband-WDM) based on free-space optical communication (FSOC) is investigated via OptiSystem software. In this work, both single and dual channel FSOC systems are investigated under different communication weathers: clear, haze, rain, and fog with attenuation losses of 0.2 dB/km, 2.3 dB/km, 4.3 dB/km, and 8.0 dB/km, respectively. The TL measures the coupling efficiency between the fiber and telescope in the transceiver assembly; therefore, is considered an important design parameter for the FSOC and hybrid optical communication system. According to the results, the maximum TL is 23 dB and 29 …

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Effects Of Pumping Profiles On The Temperature Distributions In Doubleend Pumped Solid-State Lasers: A Comparison Study, Hind Jawad, Mohammed Abdulrazzaq, Khalid Shibib Mar 2026

Effects Of Pumping Profiles On The Temperature Distributions In Doubleend Pumped Solid-State Lasers: A Comparison Study, Hind Jawad, Mohammed Abdulrazzaq, Khalid Shibib

Engineering and Technology Journal

In this work, the effects of pumping profiles on the temperature distributions in solid-state lasers pumped by laser diode from two different end faces were studied. With different pump spot radii of , various exponent factors were examined to evaluate the behavior of temperature distributions due to Gaussian and super-Gaussian profiles. For a Gaussian pumping (n=2), the maximum temperature difference on each rod face was calculated to be  295.5 K and 226 K, respectively, at a total pump power of  92.8 W (46.4 W per face). While at the same pumping power, the temperature decreased as the n exponent increased. …

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The Structural And Optical Properties Of Nanocrystalline Fe3o4 Thin Films Prepared By Pld, Khalid Abdulkareem, Suad Kadhim, Shams Ali Mar 2026

The Structural And Optical Properties Of Nanocrystalline Fe3o4 Thin Films Prepared By Pld, Khalid Abdulkareem, Suad Kadhim, Shams Ali

Engineering and Technology Journal

In this study, thin films of pure iron oxide (Fe3O4) were prepared using pulsedlaser deposition technique under vacuum (2×10-3 mbar) using Nd: YAG laser atdifferent laser energies (700, 800, 900, and 1000 mJ) on quartz slides at thesubstrate temperature of 200 °C with different thickness (170,190, 220, and 250nm). The prepared thin films were examined using different techniques. The Xray diffraction showed a polycrystalline structure of cubic Fe3O4 phase, enhancedits crystallinity, and increased the crystalline size when increasing the laser energyto 1000 mJ. The results revealed that high transparency samples decreased pulselaser energy. As the laser pulse power increases, the …

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The Proposition Of Three Approaching Ways To Implement Tan-Sigmoid Activation Function In Fpga, Manal Ali, Bassam Abed Mar 2026

The Proposition Of Three Approaching Ways To Implement Tan-Sigmoid Activation Function In Fpga, Manal Ali, Bassam Abed

Engineering and Technology Journal

Hyperbolic tangents and Sigmoid are commonly used for Artificial Neural Networks as activation functions. The complex equation of the activation function is one of the most difficult to be implemented in hardware because containing division and exponential, which gives non-linear behavior. The challenge is building a tan-sigmoid function in hardware with efficient performance. Therefore, this work will focus on implementing the activation function in FPGA. To overcome this challenge, a different approach was proposed in this paper, efficient hardware-implemented for tan-sigmoid in terms of the number of slices occupied and the resources utilization are designed. In this work, three approaches …

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A Combining Two Ksvm Classifiers Based On True Pixel Values And Discrete Wavelet Transform For Mri-Based Brain Tumor Detection And Classification, Ali Mohammed, Mohammed Noaman, Hassan Azzawi Mar 2026

A Combining Two Ksvm Classifiers Based On True Pixel Values And Discrete Wavelet Transform For Mri-Based Brain Tumor Detection And Classification, Ali Mohammed, Mohammed Noaman, Hassan Azzawi

Engineering and Technology Journal

The studies on brain tumor detection and classification are continuing to improvethe specialists’ ability in diagnosis. Magnetic Resonance Imaging (MRI) is one ofthe most common techniques used to evaluate brain tumors diagnosis. However,brain tumors diagnosis is a difficult process due to congenital malformations andpossible errors in diagnosing benign from malignant tumors. Therefore, thisresearch aims to propose an integrated algorithm to classify brain tumors followingtwo stages using the Kernel Support Vector Machine (KSVM) classifier. Firststage classifies the tumors as normal and abnormal, and the second classifiesabnormal tumors as benign and malignant. The first KSVM employs extractionfeatures by considering the pixel values …

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Experimental Study Of F2833x/Texas Ins. For Constructing Speed Controller On A Synchronous Motor Based On Svpwm Method, Enas Hassan, Inaam Ali, Khalid Mohammed Mar 2026

Experimental Study Of F2833x/Texas Ins. For Constructing Speed Controller On A Synchronous Motor Based On Svpwm Method, Enas Hassan, Inaam Ali, Khalid Mohammed

Engineering and Technology Journal

Microprocessor programming algorithms in electrical inverter drive systems are essential in developing and formulating modern methods in closed control circuits. The microprocessor used in the current research, TMS320f28335, has a high system clock s frequency (150 MHz) that reaches up to, which gives an almost perfect ability to output the three-voltage sinewave generated from the inverter under consideration. Obtaining a sinewave voltage means the lowest possible harmonics (THD) and thus the best performance of the induction motor at starting and dynamic stability. The current research used the directional inclusion method to implement the six inverter switches (IGBTs) mechanism. Mathematical calculations …

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