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2026

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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.


Effect Of Laser Pulses On Characterization Of Zincoxide Thin Film Prepared By Pld, Suaad Shaker, Asma Mohammed, Majid Khalaf Aug 2026

Effect Of Laser Pulses On Characterization Of Zincoxide Thin Film Prepared By Pld, Suaad Shaker, Asma Mohammed, Majid Khalaf

Engineering and Technology Journal

In this work, ZnO thin films have been deposition using pulsed laserdeposition (PLD) method on glass and Si (111) substrates at different laserpulsed. Some properties of ZnO thin films were studied, the results of XRDexplain Zinc oxidethin films with hexagonal wurtzite structure with thicknessabout 155and 200 nm. FTIR spectrum shows the existence of Zn – O bond thatappear the texture of ZnOnanostructures. The root mean square of thin filmswere explained with the range 8.31–15.2 nm with particle size about 41.6 -45.41and was only slightly dependent on number of laser pulses. Zinc oxide thinfilms showed transmittance of over 80% .The photovoltaic …


Analysis Of Image Noise Reduction Using Neural Network, Mohanad Abdulwahed Aug 2026

Analysis Of Image Noise Reduction Using Neural Network, Mohanad Abdulwahed

Engineering and Technology Journal

Noise adding methods (impulse and Gaussian) are using in thiswork, adding this type of noise employ to mensuration the image quality asresult, therefore transform of (RGB) colors to another type of colorimpersonation that easy to deal with it, also sensitivity of human eyes to detectthe colors. Applying Noise reduction (mean method, mode method, medianmethod) ,By using a test image, we demonstrate that the filtering structureyields an output image which is significantly better than those of median,weighted median .The program of this work is written with Delphi Language,which have some flexibility to deal with image that's not found in otherlanguage. The …


Antioxidant Activity Of Linalool, Majid S. Jabir, Ali Taha, Usama Sahib Aug 2026

Antioxidant Activity Of Linalool, Majid S. Jabir, Ali Taha, Usama Sahib

Engineering and Technology Journal

In recent years, Essential oils from their various aromatic plants hadbeen reported to be used in treating of many types of cancer due to their antitumoractivity. In addition, numerous studies had investigated the highest capability ofchemopreventive phytochemicals compound to act as anticancer drugs. In thepresent research, the antioxidant activity of Linalool on free radicals compoundswas studied. The Antioxidant activity was performed using two methods, DPPHand Hydrogen Peroxide (H2O2) Scavenging Capacity. The DPPH scavengingactivity demonstrated that Linalool had antioxidant activity comparing withascorbic acid. Linalool demonstrated moderate antioxidant activity with50.57471% compared with ascorbic acid that showed 86%. Meanwhile, H2O2scavenging capacity methods investigated …


Assessment Of Some Heavy Metal Concentrations In Drilling Mud Samples In Az Zubair Oil Field, Basra, Iraq, Sahar Amin, Abdul Hamid Al- Obiady, Rana Alani, Athmar Al-Mashhady Al-Mashhady Aug 2026

Assessment Of Some Heavy Metal Concentrations In Drilling Mud Samples In Az Zubair Oil Field, Basra, Iraq, Sahar Amin, Abdul Hamid Al- Obiady, Rana Alani, Athmar Al-Mashhady Al-Mashhady

Engineering and Technology Journal

Analysis of eight heavy metal concentrations (Cd, Cr, Cu, Fe, Mn,Ni, Pb and Zn) of 14 drilling mud samples collected from oil well at differentdepths which is located in AZ Zubair oil field-Basra was done in this study .The samples were measured using atomic absorption spectrophotometry.Obtained results indicated that the heavy metal concentrations range from thelowest value of 1.66mg/kg for Cd to the highest value of 1235.86mg/kg forFe. The abundance trend for the heavy metals concentration was in thedescending order of Fe, Mn, Ni, Cu, Cr, Zn, Pb, and Cd. Four parameters:Enrichment Factor (EF), Contamination Factor (CF), Geo-accumulationIndex (Igeo) and …


Transesterification Of Castor Oil By Using Methanol And Ethanol (50/50) Mixture, Muna Khudhair, Sajeda Husain, Zahraa Jassim, Shefaa Salih Salih Aug 2026

Transesterification Of Castor Oil By Using Methanol And Ethanol (50/50) Mixture, Muna Khudhair, Sajeda Husain, Zahraa Jassim, Shefaa Salih Salih

Engineering and Technology Journal

Biodiesel is gaining considerable attention as a renewable sourceof energy, as an alternative to petroleum fuel and can be used in enginewithout modification in this paper, the profile of preparation of fatty acidmethyl ethyl ester from castor oil via a base-catalyzed transesterification wasinvestigated.. The variables chosen for the study were reaction time, oil to(methanol and ethanol) mixture ratio, and reaction temperature at constantconcentration of KOH(catalyst) .The effects of these variables on viscosity andspecific gravity were studied.


Optical And Structural Properties Of (In2o3:Zno:Au) Nanocomposite Thin Films Prepared By Spray Pyrolysis Method, Abdul Hadi Judran, Farah Noori, Nawres Hamza Aug 2026

Optical And Structural Properties Of (In2o3:Zno:Au) Nanocomposite Thin Films Prepared By Spray Pyrolysis Method, Abdul Hadi Judran, Farah Noori, Nawres Hamza

Engineering and Technology Journal

Indium Oxide (In2O3) and Zinc Oxide (ZnO) nanoparticles weremixed carefully with gold nanoparticles, which were synthesis, by turkevichmethod. By using the method of spray pyrolysis different concentrations(5:5:0 ml, 5:4:1 ml, 5:3:2 ml, 5:2:3 ml, 5:1:4 ml and 5:0:5 ml) from thesechemical compounds were used to preformed nanocomposite thin films ofthickness of (250-300) nm. The structural properties were studied for allnanocomposite thin film samples with different concentrations. The existenceof Miller indices conforms to (211), (222), (400), (333), (440) and (622) majorlattice planes of the cubic spinel phase of In2O3 at 2θ =20.17, 33, 44.66, 50.95,59.02, 72.48 and 73.12. While secondary lattice …


Propose An Arabic Captcha System Based On Chaotic Maps, Mariam Sulaiman, Nidaa Hassan Aug 2026

Propose An Arabic Captcha System Based On Chaotic Maps, Mariam Sulaiman, Nidaa Hassan

Engineering and Technology Journal

CAPTCHA is the facility that prevents web bots from accessingthe web services by generating tests to check whether the user is human orcomputer program. In this paper, a new pseudo-random bits generator basedon chaotic system is offered to generate Arabic letters and numbers forCAPTCHA system. The proposed generator uses two Jacobian ellipticChebyshev rational maps that are combined in the algorithm to produce ablock of 32bits in each iteration. A specified number of bits are selected fromthe resulted blocks to be converted to a set of Arabic letters and numbers.National Institute of Standards and Technology (NIST) statistical test suiteare used to …


Theoretical Study Of Comparative Between The Speed Of Penetration And Cutting Using A Laser Beam, Ekhlas Mahmood Aug 2026

Theoretical Study Of Comparative Between The Speed Of Penetration And Cutting Using A Laser Beam, Ekhlas Mahmood

Engineering and Technology Journal

This research is devoted to study the effect of a laser beampower TEA-CO2 , Nd- YAG laser, and thermal properties of the materialswhen it is constant once and varying another once with the time on thepenetration and cutting speeds. It is concluded that the processes ofpenetration and cutting by using laser Nd-YAG is the best comparativewith using of laser TEA-CO2, penetration speeds when (P = P0, C = C0,and ρ = ρ0) by using laser Nd-YAG greater than penetration speeds byusing of laser TEA-CO2 by 15.5 approximately while penetration speedswhen (P = P(t), C = C0, and ρ = ρ0) …


C-Reactive Protein As A Marker In The Iraq Patients With Poisoning Thyroid Gland Disease, Maryam Kamel, Abbas Mohammed, Ali Ibrahim Aug 2026

C-Reactive Protein As A Marker In The Iraq Patients With Poisoning Thyroid Gland Disease, Maryam Kamel, Abbas Mohammed, Ali Ibrahim

Engineering and Technology Journal

The present study aimed to investigate the possibility of using Creactiveprotein (CRP) and the level of CRP in serum sample as a markerfor patients with poisoning thyroid gland disease. In addition, therelationship between inflammation and poisoning thyroid gland. About 21of serum samples were examined from patients with poisoning thyroid gland(aged between 14 and 60 years old). Qualitative test was done to detect thepresence of CRP in the patient’s serum. The qualitative test showed that21(100%) patients with poisoning thyroid gland give positive result to CRP.The HPLC analysis done to determine the concentration of CRP in patient'sserum. The HPLC analysis showed that …


Effects Of Electrode Geometry On Energy Transfer Characteristics Of Electrolytic Cells Used For Production Of Metallic Nanostructures, Noor Naji Aug 2026

Effects Of Electrode Geometry On Energy Transfer Characteristics Of Electrolytic Cells Used For Production Of Metallic Nanostructures, Noor Naji

Engineering and Technology Journal

In this work, the effects of geometries of stainless steel electrodes used inelectrolytic analysis cells were studied. These cells are used for preparation ofmetallic nanostructures. These effects can be observed by studying energy transfercharacteristics of electrolytic cell as the electric field and current density aredetermined by its electrode geometry. Four electrode geometries were used in thiswork.


Preparation And Investigation Of Flexural Strength And Impact Strength For Nano Hybrid Composite Materials Of The Tri- Polymeric Blend Used In Structural Applications, Sihama I. Salih, Wleed Salih, Mustafa Mohammed Aug 2026

Preparation And Investigation Of Flexural Strength And Impact Strength For Nano Hybrid Composite Materials Of The Tri- Polymeric Blend Used In Structural Applications, Sihama I. Salih, Wleed Salih, Mustafa Mohammed

Engineering and Technology Journal

Current work is aimed to preparation the nanocomposites laminatesof low density and good durability to use in structural applications. So, in thispaper, the preparation and compare of some mechanical properties of twogroups of tri-polymer blends composites consisting of ((93% unsaturatedpolyester resin (UP)+(5%PMMA) (Poly methyl methacrylate)+2%NR(Natural Rubber)) as the matrix materials. Added the reinforce materials(silica (SiO2) and zirconia (ZrO2) nanoparticles) individually, with differentvolume fraction of (0, 0.5, 1, 1.5%) to the ternary polymer blends accordingto the following formula:- [((100-X) (93%UP)+2%NR+5%PMMA): (X%SiO2or X% ZrO2)] The first group is composed of matrix material reinforced withzirconia (ZrO2) nanoparticles with average diameter of nanoparticles(56.88nm) and …


Proposed Video Watermarking Algorithm Based On Edge Or Corner Regions, Nidaa Hassan, Rusul Abbas Aug 2026

Proposed Video Watermarking Algorithm Based On Edge Or Corner Regions, Nidaa Hassan, Rusul Abbas

Engineering and Technology Journal

In this research, a watermark algorithm is proposed to embed a secretmessage in a digital video. The proposed algorithm exploits edges and cornersregions in images, to be hosts for hiding secret bits. Embedding in these regionsis consider optimal since these regions featuring with colors variation, soembedding will not effect on uniform distribution of colors, and on transparencyrequirement. The process of embedding and extracting watermarked massage isimplemented by decomposition digital video to several images (frames), thenselecting the edges and corners regions to be host locations, Least SignificantBit (LSB) techniques are used to embed watermarked message in images ofdigital video. Investigations results …


Re-Use Of Glass Wool Fiber As New Composite Polyester System, Raghad Abass Aug 2026

Re-Use Of Glass Wool Fiber As New Composite Polyester System, Raghad Abass

Engineering and Technology Journal

Four different ratios of composites were prepared by varying thewool glass, at different additive weight percentages (0, 0.2, 0.4, 0.6 wt. %)in order to study the effect of glass wool reinforcement on mechanical andchemical properties of GW-reinforced polyester composites. The vacuumbagging technique was adopted for the fabrication of hybrid compositematerials. Afterword many mechanical properties as hardness, impactresistance, and compression resistance for these hybrid composites wereevaluated according ASTM Standards. The mechanical properties wereimproved as the fibers reinforcement content increased in the matrixmaterial. The chemical properties were improved as increased the weight ofglass wool. The chemical and mechanical properties have been increasedfor …


Text File Hiding Randomly Using Secret Sharing Scheme, Yossra Ali, Hussein Mankhi Aug 2026

Text File Hiding Randomly Using Secret Sharing Scheme, Yossra Ali, Hussein Mankhi

Engineering and Technology Journal

Exchange of information through the channels of communication can beunsafe. Communication media are not safe to send sensitive information so it isnecessary to provide the protection of information from disclosure to unauthorizedpersons. This research presented the method to information security is donethrough information hiding into the cover image using a least significant bit (LSB)technique, where a text file is encrypted using a secret sharing scheme. Then,generating positions to hiding information in a random manner of cover image,which is difficult to predict hiding in the image-by-image analysis or statisticalanalyzes. Where it provides two levels of information security through encryptionof a text …


Density And Ultrasonic Pulse Velocity Investigation Of Self-Compacting Carbon Fiber- Reinforced Concrete, G.A. Salman Aug 2026

Density And Ultrasonic Pulse Velocity Investigation Of Self-Compacting Carbon Fiber- Reinforced Concrete, G.A. Salman

Engineering and Technology Journal

comprehensive research has been carried out to understand the effect of adding carbon fibers to density and ultrasonic pulse velocity of self-compacting concrete. Fifteen SCC mixes were prepared with two types of mineral admixtures and carbon fibers. Metakaoline and silica fume were used as mineral admixtures while carbon fibers were used as fiber inclusions. Two different fiber length (6mm and12mm) and fiber fraction (0.1 % and 0.5 %) was used. Different parameters such as slump flow diameter, T500 time, V-funnel time, blocking ratio and filling height difference were used to evaluate fresh state properties. Air-dry density and Ultrasonic Pulse Velocity …


Design A Fuzzy Pid Controller For Trajectory Tracking Of Mobile Robot, M.J. Mohamed, M.Y. Abbas Aug 2026

Design A Fuzzy Pid Controller For Trajectory Tracking Of Mobile Robot, M.J. Mohamed, M.Y. Abbas

Engineering and Technology Journal

In this paper, a trajectory tracking control for a non-holonomic differential wheeled mobile robot (WMR) system is presented. A big number of investigations have been used the kinematic model of mobile robot which is a nonlinear model in nature, thus a hard task to control it. This work focuses on the design of fuzzy PID controller tuned with a firefly optimization algorithm for the kinematic model of mobile robot. The firefly optimization algorithm has been used to find the best values of controller's parameters. The aim of this controller is trying to force the mobile robot tracking a pre-defined continuous …


Effect Of Polymer Additives On Permeability Of Asphalt Concrete Mixtures, H.H. Jony, M.M. Hilal, D.S. Helan Aug 2026

Effect Of Polymer Additives On Permeability Of Asphalt Concrete Mixtures, H.H. Jony, M.M. Hilal, D.S. Helan

Engineering and Technology Journal

The presence of water in the pavement structure causes early deterioration and leads to less pavement durability as a result of loss of bond between aggregate and binder and may causes loss of strength and stability in mixture, The main goal of this study was to investigate the effect of various polymer additives on permeability of asphalt concrete mixture. The surface wearing coarse type IIIA was chosen in this study. Three types of polymer additives were used in this study; (7% Latex Emulsion (LE), 7% Poly Vinyl Acetate with 4% Styrene Butadiene Styrene (PVA + SBS) and 8% Ethylene Diamine …


Composition Design Modeling And Experimental Verification Of (Co Ni Al) Shape Memory Alloys, M.N. Arbilei Aug 2026

Composition Design Modeling And Experimental Verification Of (Co Ni Al) Shape Memory Alloys, M.N. Arbilei

Engineering and Technology Journal

The most important concepts to apply a shape memory alloy in manyindustrial applications is the composition design that controls thetransformation temperatures. In this paper, two mathematical models werecreated to predict the transformation temperatures for poly-crystalline (Co-Ni-Al) alloys. The data that was depend on to find the relation between chemicalcomposition and transformation temperatures were concluded from previouswork and approved by preparing samples in investigation practically. Fourdifferent alloys were prepared to verify this relation. It was indicated that thebest criteria that present the chemical composition is the (e/a) and make thealloy applicable for different applications. These suggested chemicalcompounds could be controlled and …


Bio And Mechanical Evaluation Of An Enhanced Bio Glass, J.T. Al-Haidary, M.N. Arbilei, J.S. Kashan Aug 2026

Bio And Mechanical Evaluation Of An Enhanced Bio Glass, J.T. Al-Haidary, M.N. Arbilei, J.S. Kashan

Engineering and Technology Journal

These Tap casting and powder metallurgy methods used to produce the 45S5 Bioglass. This study revealed that the bioglass modified with 0.2% Y2O3 has about 700% increases in hardness. The modification of bioglass with 0.2% Y2O3 leads to a 44% increase in fracture toughness values. This study revealed that the 0.2% Y2O3 bioglass composition-modification improves the fracture strength by almost 150%. The laboratory histological sections showed that 45S5 bioglass (original composition materials showed nether systemic nor local inflammation with new bone formation at site of implantation. The Y2O3 modified the 45S5 bioglass showed no inflammation reactions as well, but no …


Aluminum Concentration Drives The Structural Evolution Of Magnetron Sputtering (Ti, Al) C Thin Film, A. Al-Ghaban Aug 2026

Aluminum Concentration Drives The Structural Evolution Of Magnetron Sputtering (Ti, Al) C Thin Film, A. Al-Ghaban

Engineering and Technology Journal

The effect of deposited Al on the structural evolution of TiC films with a chemical composition variation has investigated during combinatorial magnetron sputtering of binary ceramic (Ti, Al) C. The here produced thin films have been investigated by energy dispersive X-ray spectroscopy (EDX) and X-ray diffraction technique XRD. The structural evolution of combinatorial magnetron sputtered Ti-Al-C system deposited at room temperature fined to be located in the extent of: Ti at.%= 36.74-60.55, Al at.%= 12.05-30.61 and C at.%= 22.53-47.69. XRD results show that films are constituted of mostly cubic (Ti, Al) C phase as well as an X-ray amorphous region …


A Multiband Printed Slot Antenna Loaded With Trapezoidal Slots For Wlan And Wimax Applications, H.T. Ziboon Aug 2026

A Multiband Printed Slot Antenna Loaded With Trapezoidal Slots For Wlan And Wimax Applications, H.T. Ziboon

Engineering and Technology Journal

In this paper, a multiband printed antenna has been proposed. The antenna structure is inspired from that of the classical multi-cavity magnetron resonator. The antenna structure is composed of a slot annular ring structure etched on the ground plane of a substrate. The outer circle of the annular ring is loaded with radially arranged small trapezoidal slots. While on the other side of the substrate, the antenna is fed with a 50-Ohm microstrip line. A parametric study has been conducted to explore the effect of the different antenna dimensions on its performance. The results show that the proposed antenna offers …


Surface Roughness Evaluation In Wedm Using Taguchi Parameter Design Method, S.H. Aghdeab, V.N. Najm, A.M. Saleh Aug 2026

Surface Roughness Evaluation In Wedm Using Taguchi Parameter Design Method, S.H. Aghdeab, V.N. Najm, A.M. Saleh

Engineering and Technology Journal

Machining of hard metal is difficult by conventional method to obtain high accuracy where the dimensional accuracy is the main factor. Wire electrical discharge machining (WEDM) extensively used, which is mostly used in machining of conductive materials by using precisely controlled sparks that occur between a very thin wire and a workpiece in the presence of a dielectric fluid. This study serves in studying surface roughness (SR) of high speed steel (HSS) using taguchi method to design the experiment, this was achieved with utilizing different wire cut machining parameters and study the behavior of these control parameters such as pulse …


Study The Dye Decolorization Of Wastewater Using Bentonite, H2o2, Ultrasonic And Laser Techniques, A.Z. Mohammed, A. Sh. Hamadi, H.A.M. Redha Aug 2026

Study The Dye Decolorization Of Wastewater Using Bentonite, H2o2, Ultrasonic And Laser Techniques, A.Z. Mohammed, A. Sh. Hamadi, H.A.M. Redha

Engineering and Technology Journal

The bentonite is an adsorbent material that is used frequently in industrial fields. bentonite was used with laser to treat wastewater, when laser is a new technique that has ability to remove the dye. Using of laser as a source to refresh with high efficiency has the important in industrial field.In this study laser diode with power 50 mw, He-Ne laser with power 10 mw and DPSSL with power 500 mw were used with the help of ultrasonic bath and H2O2 to promote the work of the laser. AFM and FTIR testing were made to bentonite to study the characteristics …


Experimental Investigation Of Wire Edm Process Parameters On Heat Affected Zone, V.N. Najm Aug 2026

Experimental Investigation Of Wire Edm Process Parameters On Heat Affected Zone, V.N. Najm

Engineering and Technology Journal

It is vital to study the impact of heat since it has an unwanted phenomenon on the operating life of parts produced, which is in turn effect the cost of production. when dimension accuracy is the primary function Wire cut machining comprehensively used specially when machining hard metal by using precisely controlled sparks that occur between a very thin wire and a workpiece in the presence of a dielectric fluid. The aim of this research is to study the effects of some Wire Electrical Discharge Machining (WEDM) variables on heat affected zone, white layer and Surface Roughness (SR) of high …


Indian Number Handwriting Features Extraction And Classification Using Multi-Class Svm, H.A. Jeiad Aug 2026

Indian Number Handwriting Features Extraction And Classification Using Multi-Class Svm, H.A. Jeiad

Engineering and Technology Journal

In this paper, an Indian Number Handwriting Recognition Model (INHRM) is proposed. Mainly, the proposed model consists of four phases which are the image acquisition, image preprocessing, features extraction, and classification model. Initially, the captured images of the handwritten Indian numbers were enhanced and preprocessed to obtain the skeleton for the interested object. The extracted features of the handwritten Indian numbers were obtained by calculating four parameters for each captured number sample, these parameters are the number of starting points, the number of intersection points, the average zoning which consists of four values, and finally, the normalized chain vector of …


Characterization Of Liquid Produced From Catalytic Pyrolysis Of Mixed Polystyrene And Polyethylene Terephthalate Plastic, R.S. Almukhtar, S.I.H. Abduallah Aug 2026

Characterization Of Liquid Produced From Catalytic Pyrolysis Of Mixed Polystyrene And Polyethylene Terephthalate Plastic, R.S. Almukhtar, S.I.H. Abduallah

Engineering and Technology Journal

Plastic wastes accumulation increased each year in the environment. Plastics types are different such as polystyrene (PS), polyethylene terephthalate (PET), polypropylene (PP), low-density polyethylene (LDPE), high-density polyethylene (HDPE) and polyvinyl chloride (PVC). In this paper, catalytic pyrolysis of Polystyrene and Polyethy terephthalate were studied to find the effect of PET on the pyrolysis of PS. The reaction took place in stainless batch tubular reactor to determine the effect of temperature and residence time. The maximum liquid products yield at optimum temperature and heating time(60 min) was 77% , 67.56%, 54% and 37.48% for PS, 10%PET + PS, 20%PET + PS …


Design And Simulation Of Six-Band Triplexer Filter For Wlan Systems, A.S. Ezzulddin, S.K. Khaleel Aug 2026

Design And Simulation Of Six-Band Triplexer Filter For Wlan Systems, A.S. Ezzulddin, S.K. Khaleel

Engineering and Technology Journal

This paper presents microstrip triplexer with 6 bands frequency responses. The design of triplexer uses 6 cross coupled resonators based on step impedance resonator. Each one of these resonators has short or open-ended section that initiates dual-band response with a large rejection band. The presented device has 3 two-pole dual band filter channels that are joint with regular T-shaped feeders. This triplexer has miniature area in term of


H-Infinity Model Reference Controller Design For Magnetic Levitation System, H.I. Ali Aug 2026

H-Infinity Model Reference Controller Design For Magnetic Levitation System, H.I. Ali

Engineering and Technology Journal

In this paper, a new robust approach based on combining the model reference control with H-infinity technique is proposed. The goal of the proposed controller is to obtain an adequate transient response which may not be obtained when only H-infinity technique is used. This is done by adding the model reference block to the standard H-infinity feedback configuration. Then the overall block diagram is formulated by linear fractional transformation (LFT). The Magnetic Levitation which is a highly nonlinear, open loop unstable and uncertain system is used to show the effectiveness of the proposed controller. The results show that the proposed …


Accuracy Assessment Of World View-2 Satellite Imagery For Planimetric Maps Production, A.Z. Khalaf, I.A.K. Alwan, T.A. Kadhum Aug 2026

Accuracy Assessment Of World View-2 Satellite Imagery For Planimetric Maps Production, A.Z. Khalaf, I.A.K. Alwan, T.A. Kadhum

Engineering and Technology Journal

A planimetric map of scale 1:10,000 meets the requirements of a large segment of user’s maps for instance urban city planners and various GIS implementations. Nowadays, a very high-resolution satellite images, such as World View02 (WV02) with spatial resolution of 0.5 m, are very important to produce planimetric maps or update existing ones. Main aim of this research is the assessment of WV02 image for production of the planimetric photomap of scale 1:10,000 with class 1 according to ASPRS standards (ASPRS give accuracy tolerances for map scales at 1:20,000 or larger, this accuracy reported as Class 1, 2, or 3). …