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2026

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High Rate Data Processing System Of 6x6 Mimo_Ofdm Using Fpga Technique With Spatial Algorithm, Muthna Fadhil Aug 2026

High Rate Data Processing System Of 6x6 Mimo_Ofdm Using Fpga Technique With Spatial Algorithm, Muthna Fadhil

Engineering and Technology Journal

OFDM has high spectral Performance and pliability in multipath channel effects while MIMO use another strategy for saving power of transmitter by using multi in multi out antennas to make throughput processing in high efficiency. The transceiver MIMO OFDM implemented on an FPGA typeSpartan3 XC3S200 with proper algorithm, Invoke method and QPSK modulation. The project prospective to improve the transceiver operations in terms of data transmission in high speed and saving power for wireless communication system take in consideration the cost of implementation hardware. In the result registered throughput data rate 425 Mbps using spatial algorithm (ICA with SD algorithm) …

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Effect Of Current And Duty Factor For Different Electrode Shapes On Material Removal Rate In Edm, Shukry Aghdeab, Nagham Ghazy Aug 2026

Effect Of Current And Duty Factor For Different Electrode Shapes On Material Removal Rate In Edm, Shukry Aghdeab, Nagham Ghazy

Engineering and Technology Journal

This paper discusses the performance of Electrical Discharge Machining (EDM) process by changing the bottom shape of the electrode, including two stages: designing the electrodes by turning process then the resulted electrodes were used to machine the workpiece by EDM. The effect of electrode shape on material removal rate (MRR) has been investigated for material of CK 60 carbon steel for workpiece and material of brass for electrode. The shapes of the electrode bottom were flat, conical (with 90º apex angle) and round (with 8 mm radius) of constant diameter electrode of 16 mm. Experiments were repeated for three current …

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Suggested Methods To Solve The Coils Misalignment For The Biomedical Implants, Saad Mutashar Aug 2026

Suggested Methods To Solve The Coils Misalignment For The Biomedical Implants, Saad Mutashar

Engineering and Technology Journal

One of the major problems of the inductive coupling link in the biomedical implantable devices is the misalignment between coils. This paper produces two simple suggested methods to avoid and reduce the misalignment between two coils. The first one is to split the implanted coil into two identical coils with 450 μH of inductance where the external coil was equal to them in inductance ~ 900μH.  The results show that the received powers are constant and compensated by one of the coils, which provides a stable power at the implant. The second proposed suggestion is to use two separated identical …

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The Relationship Between Data Transfer Rate And Distance In Power Networks Modems, Salih Mahmood Aug 2026

The Relationship Between Data Transfer Rate And Distance In Power Networks Modems, Salih Mahmood

Engineering and Technology Journal

With the rapid growth of communication networks, reliable and economical communication systems are needed and can be implemented in buildings. PLC uses electrical wiring to transmit information and provides high-speed and cheap data communications, such as home networks and Internet access. PLC is a hostile environment for communication, making communication signals spread difficult and experiencing significant challenges such as noise, attenuation and interference. This research focus on the challenges of communications via power lines such as distance and stability. Performance factors are tested and studied through the actual application of communication networks by connecting modems and computers in the network …

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Developing A Branch And Bound Algorithm For Cell Formation And Group Scheduling, Amjad Abdulghafour, Dhulfiqar Dhayef Aug 2026

Developing A Branch And Bound Algorithm For Cell Formation And Group Scheduling, Amjad Abdulghafour, Dhulfiqar Dhayef

Engineering and Technology Journal

Scheduling models for groups of parts have become more widely used in the industrial companies because of intensification of competition among them to get optimization in the delivery orders, reduce costs and increase quality. “Production scheduling is a meaning of verify a best or close to best achievement time plan for performing job, Production scheduling linked with the group technology applications is called Group Scheduling (GS). The objective of this research is to find optimum sequence of parts through cell formation and group scheduling. In this research, a lower bound for best possible Makespan is calculated by branch and bound …

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Stability Analysis Of An Earth Dam Using Geo-Slope Model Under Different Soil Conditions, Usama Mishal, Thair Khayyun Aug 2026

Stability Analysis Of An Earth Dam Using Geo-Slope Model Under Different Soil Conditions, Usama Mishal, Thair Khayyun

Engineering and Technology Journal

Numerical models are used to check the stability of earth dams and to simulate the effects of all the parameters, which affect its safety. The physical properties of the materials used in the construction of an earth dam are one of these important parameters. The finite element analysis software used for numerical modeling in this study is GeoStudio 2007(SEEP/W and SLOPE/W). The total number of finite elements used to simulate the standard model is 13508 (triangular elements with global size = 2m), while the total number of nodes is 6939. The selected case study is Al-Adhaim dam, which is an …

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Applying Fuzzy Multi-Criteria Decisionmaking And Different Techniques To Solve Multi Objective Project Planning, Mahmoud Mahmoud, Luma Al-Kindi, Haider Hady Aug 2026

Applying Fuzzy Multi-Criteria Decisionmaking And Different Techniques To Solve Multi Objective Project Planning, Mahmoud Mahmoud, Luma Al-Kindi, Haider Hady

Engineering and Technology Journal

For achieving successful projects, effective planning and scheduling should be taken into consideration besides reaching an accepted balance among project objectives. As a result, this research focuses on attaining an effective balancing among a set of objectives that are time, cost, and number of laborers. The purpose of this research is to solve the problem of multi-objective project using multi-technique in a best possible way that accommodate with the nature of project activities. This aim is achieved by facilitating the accuracy of decision taking throughout choosing the best technique among group of techniques used in project planning and control these …

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Dcf With Fbg For Dispersion Compensation In Optical Fiber Link At Various Bit Rates Using Duobinary Modulation Format, Hussein Mahmood Aug 2026

Dcf With Fbg For Dispersion Compensation In Optical Fiber Link At Various Bit Rates Using Duobinary Modulation Format, Hussein Mahmood

Engineering and Technology Journal

Dispersion is one of the very important parameters that effect on the performance of optical fiber communication systems. It causes pulse broadening, limiting of transmission distance and the number of channels on optical fiber link and low Bit rate. Dispersion compensation fiber (DCF) based on Fiber Bragg Grating (FBG) is widespread used in the dispersion compensation scheme. In this work, the proposed dispersion compensation fiber is included (pre – post–symmetrical) schemes with Fiber Bragg Grating and duo-binary modulation format. These are at various bit rates (10 Gbit/s, 20 Gbit/s, 30 Gbit/s and 40 Gbit/s) and different input laser power from …

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Specific Absorption Rate (Sar) Simulated For Square Patch Antenna Of Head Tissues, Ahmed Ahmed Aug 2026

Specific Absorption Rate (Sar) Simulated For Square Patch Antenna Of Head Tissues, Ahmed Ahmed

Engineering and Technology Journal

Square patch antennas (SPA) are widely used today is in wireless communication systems, mainly with a popular frequency of 2.4 GHz. Wireless devices is the main source of electromagnetic (EM) radiation, which penetrates the tissues of human and causes health danger. In this paper, SPA antenna is designed, simulated and evaluated at 2.4 ������ for internet application by using CST Microwave studio 2014. Specific absorption rate (SAR) is the term, which measures the exposure of human to EM radiation of communication antenna. SAR values are calculated over 1 ���� ������ 10 ���� mass of tissues, according to the IEEE and …

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Studying The Efficiency Of Lime-Soda Sinter Process To Extract Alumina From Colored Kaolinite Ores Using Factorial Technique Of Design Of Experiments, Hijran Toama, Abdul-Wahab Al-Ajeel, Ajheen Jumaah Aug 2026

Studying The Efficiency Of Lime-Soda Sinter Process To Extract Alumina From Colored Kaolinite Ores Using Factorial Technique Of Design Of Experiments, Hijran Toama, Abdul-Wahab Al-Ajeel, Ajheen Jumaah

Engineering and Technology Journal

As the increasing demand for alumina in recent years with the result diminishing reserve of bauxite, the need to secure a domestic raw material base is driving research in new technologies to process low grade ores into alumina, with the intention that these technologies will lead to a significant reduction of bauxite and alumina transportation costs, allow the extraction of more valuable components from the ore and reduce environmental impact. Clays are types of the low-grade aluminum ores, they're also well abundant which make them a potential substitutes for Bauxite. In this work, lime soda sinter process was adopted for …

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A Mathematical Model To Determination Of Alum Amount Added For The Purpose Of Coagulation In Water Purification Plants, Hassan Omran, Mizher Kadhim Aug 2026

A Mathematical Model To Determination Of Alum Amount Added For The Purpose Of Coagulation In Water Purification Plants, Hassan Omran, Mizher Kadhim

Engineering and Technology Journal

Chemicals are used to increase the settling velocity for suspended deposition colloids which are not settled in sedimentation tanks in water purification plants . For this purpose, the alum is used in wide spread across the water purification projects in Iraq. This research contains studying the factors that effect on alum amount added by conducting laboratory tests of water samples from Euphrates river at the purification plant in AL-Musayyab city over ten years (with monthly rate). It was noted that the amount added depends heavily on the turbidity of water entering the purification plant, in addition to water temperature and …

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Numerical And Experimental Study Of Cooling In Desktop Computer With Block Heat Sink, Jalal Jalil, Ekbal Ali, Hiba Kurdi Aug 2026

Numerical And Experimental Study Of Cooling In Desktop Computer With Block Heat Sink, Jalal Jalil, Ekbal Ali, Hiba Kurdi

Engineering and Technology Journal

This paper investigates numerically and experimentally fluid flow and heat transfer inside the desktop P.C.. The study of cooling considers the components; CPU, heat sink, power supply, motherboard, CD, HDD and fans. Three components have heat source (CPU, motherboard and power supply unit). There were two openings for air inlet and two for air outlet. The tested values of air inlet velocities were 1.2, 1.8 and 2.4 m/s. The work investigates the effect of inlet air velocity and powers (PCPU = 8.5 W, PPSU = 24 W, PMO=12 W) of multi-components (CPU, motherboard and PSU). The numerical results obtained (by …

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Removal Of Cr (Vi) And Cu (Ii) Ions From Synthetic Wastewater By Solar Photocatalytic Reactor, Mohammad Abid, Luma Mahmood, Noor Hamza, Sukaine Mohamed Mohamed Aug 2026

Removal Of Cr (Vi) And Cu (Ii) Ions From Synthetic Wastewater By Solar Photocatalytic Reactor, Mohammad Abid, Luma Mahmood, Noor Hamza, Sukaine Mohamed Mohamed

Engineering and Technology Journal

Heavy metal ions in wastewater have promoted increasing concern on environmental and health risks. The present work was devoted to investigate the feasibility of utilizing solar light to degrade Cr (VI) and Cu (II) ions in synthetic wastewater. The effect of the key process parameters on the quality of product was studied by varying the pH (3, 5, 7, 9, and 11), H2O2 (50, 100, 200, and 300 mg/L) and TiO2 loading (0.9, 1.3, and 1.7 g/L). Experimental results revealed that after 120 min of solar illumination the highest reduction of Cr (VI) ions was 97.0% obtained under (pH = …

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Earth Fault Protection Failure In The Distribution Transformer 11/0.4 Kv Supply, Thamir Abdul-Wahhab, Mohammed Jasim Aug 2026

Earth Fault Protection Failure In The Distribution Transformer 11/0.4 Kv Supply, Thamir Abdul-Wahhab, Mohammed Jasim

Engineering and Technology Journal

This research studies a miss-coordination problem in the protection of 11 kV distribution network in Iraq. The problem arises when an underground cable is exposed to an earth fault at a location between the High Rupturing Capacity (HRC) fuses and the high voltage windings of the distribution transformer. In this case, the protective relay of the main circuit breaker of the feeder operates at a time faster than the HRC fuses of the faulty transformer. The distribution network considered in this work is an underground 11kV distribution network at Al-Rusafa General Directorate geographical region in Baghdad city. The problem was …

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Design And Implementation Of A Two Stage Controller For Ball And Beam System Using Fpga, Ivan Hashim, Ekhlas Karam, Noor Abdul-Jaleel Aug 2026

Design And Implementation Of A Two Stage Controller For Ball And Beam System Using Fpga, Ivan Hashim, Ekhlas Karam, Noor Abdul-Jaleel

Engineering and Technology Journal

The ball and beam is, in fact, a standout amongst the essentially vital models, which are generally utilized for educating the control system because its simplicity to be built, modeled, and controlled. This system involve a ball roll on a beam and since the angle of the beam manipulate by servo motor, so the purposes of this paper is to design two stages controller to stabilize the ball position along the beam by varying the angle of beam. The First controller stage “is Proportional- Integral- Derivative” (PID) “for servo motor. The second stage of the controller is Proportional-Derivative (PD) to …

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H-Infinity Based Full State Feedback Controller Design For Human Swing Leg, Hazem Ali, Azhar Abdulridha Aug 2026

H-Infinity Based Full State Feedback Controller Design For Human Swing Leg, Hazem Ali, Azhar Abdulridha

Engineering and Technology Journal

In this paper, the robustness properties of H-infinity control to produce a dynamic output feedback controller is applied to a human swing leg system. The double pendulum structure is usually used to model this system. The pendulum links will represent the thigh and shank of a human leg. The upper body will be connected to the thigh and then the shank via hip and knee joints. The muscles of thigh and shank are moved by applied two external (servomotor) torques at the hip and knee joints. The mathematical model of the system is developed. The results show that the proposed …

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Optimal Reconfiguration And Distributed Generation Placement In Baghdad Distribution Sector, Inaam Ibrahim Ali, Omar Saeed Aug 2026

Optimal Reconfiguration And Distributed Generation Placement In Baghdad Distribution Sector, Inaam Ibrahim Ali, Omar Saeed

Engineering and Technology Journal

The power losses in distribution system are high, which form 70 – 80% of total transmission and distribution losses. High losses have severe impact on stability, reliability as well as economy. Therefore, minimization of these losses is very necessary. In this paper proposed various schemes to reduce the active power losses in distribution network, given as:- Optimum reconfiguration network,- Optimum Distributed Generation (DG) placement and- Optimum reconfiguration with optimum (DG) placement.Using Cymdist software to implement the optimal reconfiguration algorithm and proposed Genetic Algorithm (GA) to find the size and location, which programmed under MATLAB software package. Whereon the proposed methodology …

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Studying Of Buckling Behavior On Composite Material, Manal Jasem, Awatif Ali Aug 2026

Studying Of Buckling Behavior On Composite Material, Manal Jasem, Awatif Ali

Engineering and Technology Journal

In this paper the buckling behavior of composite specimen manufactured from polyester reinforced with fiberglass, jute fiber and eggshell powder were studied. Several samples with rectangular cross section area of (1.5*19) mm are prepared with length of (400, 500, and600) mm and with addition weight ratio of (5%) of different material for reinforcement, used for tensile and buckling test. Different types of natural and synthetic materials (matrix and random glass fibers (are used first without any addition then with adding (5% SiC or 5% Eggshell powder or 5%����2��3) to the matrix, and Jute fibers. The critical load for its best …

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Reliability Evaluation Of Al_Mansour 11kv Distribution Network In Baghdad City, Thamir Abdul-Wahhab, Riyadh Ahmed Aug 2026

Reliability Evaluation Of Al_Mansour 11kv Distribution Network In Baghdad City, Thamir Abdul-Wahhab, Riyadh Ahmed

Engineering and Technology Journal

Reliability is a key aspect of power system design and planning. This work aims to evaluate and improve the reliability of a power distribution network in Baghdad city. The minimal cut set method has been adopted for reliability evaluation. Evaluating the reliability requires calculating and evaluating a set of reliability indices. In this research, the reliability indices are calculated for Al_Mansour 11kV distribution network in Baghdad city. According to these indices several improvements have been proposed and simulated on the network as follows: Adding N/C manually switches in the network for isolating fault area and restoring the service to the …

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Investigation The Effect Of Nano–Particles And Recycling Mortar Additives On Physical And Mechanical Properties Of Concrete, Alaa Abdul-Hamead, Farhad Othman, Raeid Mohammed Aug 2026

Investigation The Effect Of Nano–Particles And Recycling Mortar Additives On Physical And Mechanical Properties Of Concrete, Alaa Abdul-Hamead, Farhad Othman, Raeid Mohammed

Engineering and Technology Journal

In this paper a lower ratio of nano powder were used from (Al2O3 and ZrO2) (0.5, 1.5and 2. 5 wt %) from cement weight, the average particle size of nano-powder were (20nm). These powders were used in fabrication of Concrete with recycle fine aggregate was replaced Natural fine aggregate(sand) in order to be used in construction application and studies the effect on the concrete. Investigation were done on the concrete including dry density, water absorption%, porosity%, compression strength, and wear rate. The results shows that The nano-Al2O3, nano-ZrO2, and recycle aggregate were adding causes difference effect in the physical and …

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Tuning Of A Pid Controller By Bacterial Foraging Algorithm For Position Control Of Dc Servo Motor, Manal Jasim Aug 2026

Tuning Of A Pid Controller By Bacterial Foraging Algorithm For Position Control Of Dc Servo Motor, Manal Jasim

Engineering and Technology Journal

Controlling the position of Direct Current servo motor is the first aim of this paper, by Bacterial Foraging Algorithm (BFA), the best Proportional – Integral - Derivative (PID) controller parameters were obtained through Mat-Lab application, including the simulation and modeling of Direct Current servo motor, BFA controller and conventional PID Controller as benchmark to the performance of BFA. Proportional – Integral - Derivative controller is a closed loop system, the error made by the Direct Current motor was corrected and determine the correct position to the desired point were controlled By integrating the Proportional – Integral - Derivative controller. Kp, …

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Investigate Wedm Process Parameters On Wire Wear Ratio, Material Removal Rate And Surface Roughness Of Steel 1012 Aisi, Saad Shather, Mohammed Mohammed Aug 2026

Investigate Wedm Process Parameters On Wire Wear Ratio, Material Removal Rate And Surface Roughness Of Steel 1012 Aisi, Saad Shather, Mohammed Mohammed

Engineering and Technology Journal

This work is focused on some affecting parameters in Wire electrical discharge machining process for AISI 1012 steel by using brass wire and zinc coated brass wire with 0.25mm diameter. Pulse on time, pulse off time, spark gap voltage and servo feed had been studied as input parameters while wire wear ratio, metal removal rate and surface roughness were the outputs. The experiments showed that increasing pulse on time would increase wire wear ratio, metal removal rate and surface roughness. While, increasing pulse off time, spark gap voltage and servo feed will cause a little increase in wire wear ratio, …

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Study The Effect Of Traditional Iraqi Stabilizers (Cement And Lime) On Some Properties Of Iraqi Clay Soils, Husam Baqir, Aqeel Al-Adili, Ali Shareef Aug 2026

Study The Effect Of Traditional Iraqi Stabilizers (Cement And Lime) On Some Properties Of Iraqi Clay Soils, Husam Baqir, Aqeel Al-Adili, Ali Shareef

Engineering and Technology Journal

This study provides practical results in the use of the composite from sulfate resistance Portland cement (PC) and Quicklime (LQ) to improve and stabilize of soils in Al - Zaafaraniya site in Baghdad governorate and the Garma Ali site in Al Basra governorate, Iraq. PC and LQ were added in percentages of 2,4,6,8 and 10% and 2 and 4%, by dry weight, respectively. Laboratory tests to determine Atterberg,s limits, standard proctor test, USC test and UUU test (unconsolidation, undrained and unsaturated) were conducted. The results achieved a significant improvement in workability, unconfined compressive strength and shear strength. The results of …

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Using Rsm Technique For Modeling And Optimization The Influence Of Cutting Parameters On Tool Wear And Cutting Forces In Turning Operation, Shaker Hassan, Samir Amin, Asaad Dabish Aug 2026

Using Rsm Technique For Modeling And Optimization The Influence Of Cutting Parameters On Tool Wear And Cutting Forces In Turning Operation, Shaker Hassan, Samir Amin, Asaad Dabish

Engineering and Technology Journal

This study is an attempt to investigate the effect of cutting parameters on the cutting force and tool wear during turning of AISI 304 steel using tungsten carbide tool (WC). The first aim of present work was to employ the Response Surface Methodology (RSM) technique to obtain the influence of input machining parameters, such as cutting feed, cutting speed and cutting depth on the cutting force and wear of tool. Experiments were carried out in a 20 runs experimental matrix by a CNC machine according to the design matrices established by Design of Experiment (DOE) software 'version 8' with RSM …

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Hydraulic Parameters Of Groundwater Aquifers In Khan-Al-Baghdadi Area, Hussein Al-Sudani Aug 2026

Hydraulic Parameters Of Groundwater Aquifers In Khan-Al-Baghdadi Area, Hussein Al-Sudani

Engineering and Technology Journal

The mainly objective of groundwater studies is assessment the physicalcharacterizations of water-bearing layers. Conducting and analyzing aquifertests is one of the most efficient ways to assessment these characterizations. Theaim of this research is to carry out hydrogeological investigation in Khan Al-Baghdadi area within Anbar Governorate in the west of Iraq to evaluatehydraulic properties of the most important groundwater aquifers in order toachieve optimum use of groundwater in term of sustainable water management byusing Cooper-Jacob and Theis Recovery Test methods to calculate transmissivityand storage coefficient after field investigation of aquifers extended in the areawhere geographical position, elevations, static water levels, depths, …

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The Approximate Solution Of The Fornberg-Whitham Equation By A Semi-Analytical Iterative Technique, Sinan Abd Almjeed Aug 2026

The Approximate Solution Of The Fornberg-Whitham Equation By A Semi-Analytical Iterative Technique, Sinan Abd Almjeed

Engineering and Technology Journal

In this work, two semi-analytical methods are introduced inorder to handle the solution of the Fornberg-Whitham equation. Thefirst one method has been proposed by Temimi and Ansari, namely theTAM. The second method is the Banach contraction method which isbriefly called the BCM. Both methods do not require using anyadditional assumptions. Our calculations are distinguished by anefficiency and rapidity of obtaining the results, in comparison with theprevious studies for solving the same problem.

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New Strategies For Associative Memories, Azad Kareem, Saja Talib Aug 2026

New Strategies For Associative Memories, Azad Kareem, Saja Talib

Engineering and Technology Journal

Associative memory is a neural network used to save collection of input and output data at its layers. Each output data is produced coincide with a given input. It can be useful as an artificial memory in many applications like (military, medical, data security systems, error detection and correction systems …etc.). There are two matters which limit the uses of associative memory; the limited storage capacity, and the error occurred in the reading of output data. A modified strategy is suggested to overcome these limitations by introducing a new algorithm to the design of the associative memory. This method provides …

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Robust Visual Lips Feature Extraction Method For Improved Visual Speech Recognition System, Mahmuod Mahmmed, Thamir Saeed, Wissam Ali Aug 2026

Robust Visual Lips Feature Extraction Method For Improved Visual Speech Recognition System, Mahmuod Mahmmed, Thamir Saeed, Wissam Ali

Engineering and Technology Journal

Recently, automatic lips reading ALR acquired a significant interest among many researchers due to its adoption in many applications. One such application is in speech recognition system in noisy environment, where visual cue that contain some integral information added to the audio signal, as well as the way that person merges audio-visual stimulus to identify utterance. The unsolved part of this problem is the utterance classification using only the visual cues without the availability of acoustic signal of the talker's speech. By taking into considerations a set of frames from recorded video for a person uttering a word; a robust …

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Optimization Of Economic And Environmental Perspectives For Sustainable Product Design And Manufacturing, Luma Al-Kindi, Hala Al_Zuheri Aug 2026

Optimization Of Economic And Environmental Perspectives For Sustainable Product Design And Manufacturing, Luma Al-Kindi, Hala Al_Zuheri

Engineering and Technology Journal

Growing environmental concerns, coupled with public pressure and stricter regulations, are fundamentally impacting the way companies design and launch new products across markets. Companies are recognizing that implementing design and manufacturing for the environment in their product development process, provides opportunities for both improving the environmental aspects of a product and for enhancing the product competitiveness. Therefore, considering concurrently economic and environmental perspectives for decision-making during early stages of design and manufacturing are considered crucial to the product design process. In this paper, taking into account these perspectives, a framework in design and manufacturing of a new product is presented, …

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Generalized Dependent Elements Of Generalized Reverse Derivation On Semiprime Rings, Shaimaa Yass Aug 2026

Generalized Dependent Elements Of Generalized Reverse Derivation On Semiprime Rings, Shaimaa Yass

Engineering and Technology Journal

Let R be an associative ring, and Š:RR be a map, if there existsan element eR such that Š(u)e= [u,e]e, for every uR, in this case e is calledGeneralized Dependent Element of Š, and Ğ-D(Š) denote the set of allGeneralized Dependent Elements of Š. In this paper the result proved, let R besemiprime ring, and F : RR is a generalized reverse derivation, related withderivation d, then eĞ-D(F), iff, eZ(R) and eF(u) =0 for every uR.

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