Show: 25 50 75 100 Results

Search results: 25 out of 180

تاثير الربط الجزئي على تصرف العتبات المركبة == The Effect of Partial Intraction on Behauiour of Composite Beams

Author name: نبيل عبد الرزاق جاسم
Supervisor name: Anis A. Mohsmsf Ali
General topic: Civil Engineering
Specific topic: Structural Engineering
Degree: Doctorate
University: University Of Basrah - College Of Engineering
Language: English
University location: Basrah
First pages:

تاثير ابعاد وموقع الحز على الانحراف ، الانبعاج والاهتزاز الحر لعتبة متدرجة وظيفيا == The Effect of Notch Dimensions and Position on Deflection, Buckling and Free Vibration of Functionally Graded Beam

Author name: رغد عزيز نعمة
Supervisor name: Luay S. Alansari
General topic: Mechanical Engineering
Specific topic: Mechanical Engineering
Degree: Doctorate
University: University Of Basrah - College Of Engineering - Department Of Mechanical Engineering
Language: English
University location: Basrah
First pages:

دراسة عملية وعددية لقدم اصطناعية رياضية مصنعة من مواد مركبة هجينة == Experimental and Numerical Study of Athletic Prosthetic Foot Laminated from Hybrid Composite Materials

Author name: حيدر كريم طلاع
Supervisor name: Abdul Kareem F. Hassan | Jawad Kadhim Oleiwi
General topic: Mechanical Engineering
Specific topic: Mechanical Engineering
Degree: Doctorate
University: University Of Basrah - College Of Engineering - Department Of Mechanical Engineering
Language: English
University location: Basrah
First pages:

تصميم خوارزميات تخطيط المسار لانظمة التخزين والاسترجاع الالي == DESIGN OF PATH PLANNING ALGORITMS FOR AUTOMATED STORAGE AND RETRIEVAL SYSTEMS

Author name: حنان مجيد حميد
Supervisor name: Khearia A. Mohamad
General topic: Electrical, Electronic and Communications Engineering
Specific topic: Electrical Engineering
Degree: Doctorate
University: University Of Basrah - College Of Engineering - Department Of Electrical Engineering
Language: English
University location: Basrah
First pages:

نمذجة نوعية مياه نهر شط العرب باستخدام نموذج هيدروديناميكي ثنائي البعد == WATER QUALITY MODELING OF SHATT ALARAB RIVER USING TWO DIMENSIONAL HYDRODYNAMIC MODEL

Author name: محمد جبار موات
Supervisor name: Ahmed Naseh Ahmed Hamdan
General topic: Civil Engineering
Specific topic: Water Resources Engineering
Degree: Doctorate
University: University Of Basrah - College Of Engineering
Language: English
University location: Basrah
First pages:

تحسين استقرارية الفولتية لنظام القدرة باستخدام مكيف جودة القدرة الموحد == Voltage Stability Improvement of Power System Using Unified Power Quality Conditioner

Author name: احمد يحيى قاسم
Supervisor name: Fadhil Rahma Tahir | Ahmed Nasser B
General topic: Electrical, Electronic and Communications Engineering
Specific topic: Electrical Engineering
Degree: Doctorate
University: University Of Basrah - College Of Engineering
Language: English
University location: Basrah
First pages:

تحمل القص للعتبات الخرسانية المسلحة العميقة المقترنة بفشل تثبيت الارساء لحديد الشد الطولي == Shear Strength of Reinforced Concrete Deep Beams with End Anchorage Failure

Author name: ميثم خالد كاطع الفرطوسي
Supervisor name: David A. M. Jawad
General topic: Civil Engineering
Specific topic: Structural Engineering
Degree: Doctorate
University: University Of Basrah - College Of Engineering
Language: English
University location: Basrah
First pages:

السلوك الزلزالي للمنشات ذات القواعد المعزولة == SEISMIC BEHAVIOR OF BASE ISOLATED STRUCTURES

Author name: فاضل عباس جاسم
Supervisor name: Nabeel Abdulrazzaq Jasim | Abdullah A. Al-Hussien
General topic: Civil Engineering
Specific topic: Structural Engineering
Degree: Doctorate
University: University Of Basrah - College Of Engineering
Language: English
University location: Basrah
First pages:

استقصاء السلوك الانشائي للعتبات الخرسانية باستخدام طريقتي الفشل الانتشاري والعناصر المحددة الممتدة == INVESTIGATING THE STRUCTURAL BEHAVIOR OF CONCRETE BEAMS USING PHASE FIELD AND EXTENDED FINITE ELEMENT MODELS

Author name: هنادي عبد الرضا لطيف
Supervisor name: Nabeel A. Jasim| Rafil M. Laftah
General topic: Civil Engineering
Specific topic: Structural Engineering
Degree: Doctorate
University: University Of Basrah - College Of Engineering - Department Of Civil Engineering
Language: English
University location: Basrah
First pages:

دراسة عملية ونظرية للاعتاب الخرسانية المركبة المسلحة المنحنية افقيا == EXPERIMENTAL AND THEORETICAL STUDY ON COMPOSITE REINFORCED CONCRETE BEAMS CURVED IN PLAN

Author name: ذو الفقار علي اسامة هاشم موسى وتوت
Supervisor name: Nabeel Abdulrazzaq Jasim
General topic: Civil Engineering
Specific topic: Structural Engineering
Degree: Doctorate
University: University Of Basrah - College Of Engineering - Department Of Civil Engineering
Language: English
University location: Basrah
First pages:

فعالية مفاعل القواعد المتحركة MBBR في معالجة مياه الصرف الصحي للمستشفيات في جنوب العراق مدينة البصرة == Effectiveness of Moving Bed Biofilm Reactor (MBBR) for Hospital Wastewater Treatment in South of Iraq (Basrah City

Author name: سمر عبد الكريم كريم
Supervisor name: Wisam S. Al-Rekabi
General topic: Civil Engineering
Specific topic: Water Resources Engineering
Degree: Doctorate
University: University Of Basrah - College Of Engineering
Language: English
University location: Basrah
First pages:

الكشف المبكر والعابر لظروف العمل لاهتزاز المحامل ذات العناصر الدوارة باستخدام تقنيات الذكاء الاصطناعي == Early and Cross-Domain Detection of Rolling-Element Bearings Vibration Using Artificial Intelligent Techniques

Author name: حيدر سهيل نجم
Supervisor name: Jaafar K. Ali
General topic: Mechanical Engineering
Specific topic: Mechanical Engineering
Degree: Doctorate
University: University Of Basrah - College Of Engineering
Language: English
University location: Basrah
First pages:

تصميم وبناء منظومات فلتينا للتطبيقات الراديوية الادراكية == DESIGN AND IMPLEMENTATION OF FILTENNA SYSTEMS FOR COGNITIVE RADIO APPLICATIONS

Author name: يوسف محسن حسن
Supervisor name: Abdulkareem S. Abdullah | Falih M. Alnahwi
General topic: Electrical, Electronic and Communications Engineering
Specific topic: Electrical Engineering
Degree: Doctorate
University: University Of Basrah - College Of Engineering
Language: English
University location: Basrah
First pages:

تطبيق مفاعل الدفعي المتسلسل والمفاعل الحيوي الغشائي لمعالجة مياه الصرف الصحي == APPLICATION OF SEQUENCING BATCH REACTOR AND MEMBRANE BIOREACTOR FOR SEWAGE TREATMENT

Author name: وسام عبدالله نجم الحلفي
Supervisor name: Wisam Sabeeh N. Al-Rekabi
General topic: Civil Engineering
Specific topic: Civil Engineering
Degree: Doctorate
University: University Of Basrah - College Of Engineering
Language: English
University location: Basrah
First pages:

محاكاة وتنفيذ لمسار الطائرة الرباعية == SIMULATION AND IMPLEMENTATION OF QUADROTOR PATH PLANNING

Author name: باقر ناصر عبد الصمد
Supervisor name: Ammar A. Aldair
General topic: Electrical, Electronic and Communications Engineering
Specific topic: Electrical Engineering
Degree: Doctorate
University: University Of Basrah - College Of Engineering - Department Of Electrical Engineering
Language: English
Key words:
  • Introduction.
  • Brief History of quadrotor.
  • Literature Survey.
  • Control Design Survey
  • Path Planning Algorithm Survey
  • Dijkstra’s algorithm
  • A-Star (∗)
  • Aim of The Thesis.
  • Thesis Contribution
  • Thesis Structure
  • R TWO: QUADROTOR MODELLING AND CONTROL
  • Introduction
  • Description of Motions of the Quadrotor
  • Dynamic Model of The Quadrotor Kinematic l Model.
  • Dynamic Model.
  • Aerodynamic Effects
  • State Space Model.
  • The Vector of States X
  • State Space Representation
  • The Structure of the Proposed Control System
  • PID Controller
  • Fuzzy Controller
  • Particle Swarm Optimization Algorithm
  • PSO For Adapting of PID Controller
  • Adapting the Parameters of Fuzzy Controller using PSO
  • Using Particle Swarm Optimization Algorithm for
  • Adapting Fuzzy Controller
  • Numerical Simulation and Results
  • PID Controller simulation Results
  • Fuzzy Logic Controller (FLC) Simulation Results
  • Conclusion
  • R THREE: QUADROTOR PATH PLANNING
  • Path Planning
  • Pure Pursuit Algorithm (PPA)
  • Look Ahead Distance (LAD)
  • Robotic Operating System (ROS)
  • ROS Essentials
  • 3D Gazebo Simulator (GS)
  • Simulation Description Format (SDF) And Unified
  • Robotic Description Format (URDF).Hovering test
  • Path Planning simulation Results
  • Point -Point Path Planning
  • Multi Point Path Planning
  • Modified Pure Pursuit Algorithm Using State Flow
  • Simulation Results of (Path Following Like Obstacle
  • Avoidance (PFLOA)
  • Conclusion
  • FOUR: OBSTACLE AVOIDANCE ALGORITHM
  • Introduction
  • Vector Field Histogram (VFH)
  • Quadrotor Radius(R)
  • Safety Distance(D)
  • Minimum Turning Radius(S)
  • Distance Limits(L)
  • Histogram Characteristics
  • Simulation Results
  • One – Target Obstacle Avoidance
  • Multi-Target Obstacle Avoidance
  • Maze Obstacle Avoidance
  • Comparison between PFLOA with VFH
  • Conclusion
  • FIVE: DESING AND CONTROL A QUADROTOR
  • ATION SYSTEM
  • Introduction
  • Gripper Application
  • Gripper Design Using Gazebo Simulator Simulation Results
  • Gripper Test
  • Path Following (Quadrotor with Gripper)
  • Obstacle Avoidance (Quadrotor with Gripper)
  • Conclusion
  • R SIX: QUADROTOR DESEIGN AND IMPLEMENTAT
  • Introduction
  • Frame
  • Brushless DC Motors
  • Electronic Speed Controller (ESC)
  • Flight Controller (FC)
  • Propellers
  • Battery
  • Practical Flight Results
  • Return to Lunch (RTL) mode:
  • Landing Mode
  • Obstacle Avoidance Mode
  • Conclusion
  • R SEVEN: CONCLUSION AND SUGGESTIONS FOR
  • WORKS
  • Introduction
  • Conclusions
  • Suggestion for Future works
First pages:

تصميم وتنفيذ نظام تشكيل داخلي متعدد الروبوتات == DESIGN AND IMPLEMENTATION OF AN INDOOR MULTI MOBILE ROBOT FORMATION SYSTEM

Author name: اسراء صبري عبد الامير الفراتي
Supervisor name: Abdulmuttalib T.Rashid
General topic: Electrical, Electronic and Communications Engineering
Specific topic: Electrical Engineering
Degree: Doctorate
University: University Of Basrah - College Of Engineering - Department Of Electrical Engineering
Language: English
Key words:
  • Background
  • Literature Review
  • Multi Robot Localization
  • Path Planning of Mobile Robot
  • Formation of Multi Robot
  • Objectives of the Work
  • Outline and Main Contributions
  • Scope of The Work
  • WO: MULTI-ROBOT LOCALIZATION SYSTEM
  • Introduction
  • The Physical Construction of the Localization System
  • The Environment Setup
  • The Robot Sensors
  • Binary Search Algorithm
  • The Modified Binary Search Algorithm Title
  • Robots Localization According to the LDRs Locations
  • Robot Location Estimation Using Three LDR Active Sensors
  • or More
  • Robot Location Estimation Using Two LDR Active Sensors
  • Robots Localization According to the LEDs Locations
  • Minimum Bounded Circle Algorithm
  • The K-means Clustering Algorithm
  • Simulation Results
  • Conclusions
  • REE: PATH PLANNING OF MOBILE ROBOT
  • Introduction
  • Mobile Robot Kinematic Model
  • Path Planning in an Environment Free of Obstacles
  • The Arc of Circle Tangent Construction Algorithm (ACTC)
  • Short Distance Orientation (SDO) Algorithm
  • Shortest Path with Obstacles Avoidance (SPOA) Algorithm
  • The Simulation Result
  • The Conclusions
  • UR: FORMATION OF MULTI-ROBOT SYSTEM
  • Introduction
  • Multi-Robot in Ordered Formation (MROF) Algorithm
  • Multi-Robot in Shortest Formation (MRSF) Algorithm
  • Simulation Results
  • Conclusions
  • VE: MULTI-ROBOT SYSTEM IMPLEMENTATION
  • Introduction
  • Performance Evaluation of Environment Sensors Title
  • LED - LDR Pair Sensor
  • Validation of LED - LDR Pair Sensor
  • IR Transmitter and Receiver Pair
  • Validation of IR Sensors
  • Radiofrequency Identification (RFID) Tags
  • Validation of RFID Tags
  • The Most Appropriate Sensors for Localization
  • Hardware Design of the Robot Localization System
  • Implementation of the Environment
  • Implementation of Differential Drive Mobile Robot
  • Practical Results of Localization System
  • Conclusion
  • X: CONCLUSIONS AND FUTURE WORKS
  • Conclusions
  • Future works
First pages:

الموازنة متعددة المتسويات للمكائن الدوارة بواسطة قياس الاستجابة الاهتزازية == Multi-Plane Balancing of Rotating Machines Using Vibration Response Measurement

Author name: يحيى محمد امين
Supervisor name: Jaafar K. Ali
General topic: Mechanical Engineering
Specific topic: Mechanical Engineering
Degree: Doctorate
University: University Of Basrah - College Of Engineering - Department Of Mechanical Engineering
Language: English
Key words:
  • Chapter One: Introduction
  • Introduction
  • Advantages of Balancing
  • Rotor Vibration Forms
  • Causes of Unbalance
  • Types of Unbalance
  • Rotor Balancing Methods
  • Mathematical Model
  • Model Based Balancing (MBB)
  • Experimental Modal Analysis (EMA)
  • Digital Signal Processing (DSP)
  • Time and Frequency Domain
  • Fast Fourier Transform (FFT)
  • Thesis objectives
  • Thesis structure
  • Chapter Two: Literature Review
  • Introduction
  • Influence Coefficient Method
  • Modal Balancing Methods
  • Balancing Without Trial Runs
  • Conclusions
  • Chapter Three: Finite Element Model
  • Introduction
  • Coordinate System
  • Rotor Components
  • Disk elements
  • Shaft elements
  • Euler-Bernoulli Beam Theory
  • Shear and rotary inertia effects
  • The 8-DOF Shaft Elements model
  • Gyroscopic effects
  • Couplings
  • Bearings
  • Rolling-Element Bearings Hydrodynamic Bearings
  • Flexible Support
  • Modeling a Whole Rotor
  • Chapter Four: Modal Analysis
  • Introduction
  • Updating of FE model
  • Modal Testing Method
  • Mathematical Models
  • Theoretical Basis of Modal Analysis
  • Single Degree of Freedom System SDOF
  • Graphical Representation of FRF
  • Multi-Degree-of-Freedom System (MDOF)
  • Revisiting SDOF
  • Frequency Response Function Measurement
  • FRF Estimation
  • SISO-FRF Estimation
  • Coherence function
  • Excitation Techniques
  • Extracting Modal Parameters
  • One Column or One Row
  • Extracting Modal Parameters from FRF Data-SDOF
  • methods
  • Peak-picking
  • Circle-fit
  • Least Squares Curve Fitting Using SDOF Model
  • Extracting Modal Data from FRF Data-MDOF method
  • Mode Shape Extraction from Modal Constants
  • Modal Testing of Rotating Structures
  • Chapter Five: Digital Signal Processing
  • Introduction
  • Time and Frequency Domains
  • Signal Digitization
  • Sampling
  • Quantization
  • Aliasing
  • Leakage
  • Windowing
  • Averaging
  • Chapter summery
  • Chapter Six: Sensors calibration and EMA verification
  • Introduction
  • Calibration of transducers
  • Calibration of Accelerometer
  • Calibration of Force Transducer Case study-I: Circular cross-sectional shaft
  • Analytical Modal Analysis
  • Numerical Modal Analysis
  • Experimental Modal Analysis
  • Available Excitation Techniques
  • Results and Comparison
  • Effects of DSP parameters on FRF
  • Effect of Windows
  • Effect of sample time
  • Effect of Excitation Techniques
  • Reciprocity condition
  • Case study-II: Shaft with two disks
  • Chapter summary
  • Chapter Seven: Model-Based Rotor Balancing
  • Introduction
  • Model Based Balancing (MBB)
  • Balancing Test Rig
  • The rotor to be balanced
  • Performing EMA on the rotor
  • FEA Based Model
  • Comparison of the Resulting Modal Parameters
  • Balancing Case Studies
  • Case-I: Two measuring planes and two balancing planes
  • Case-II: Two measuring planes and three balancing planes Residue-Based Model Balancing
  • Essential arrangements before EMA
  • Some issues when performing EMA
  • EMA results
  • Balancing Results
  • Discussion of results
  • Discussion of Results of Tables (7-4) and (7-5)
  • Discussion of Results of Tables (7-6)
  • Chapter summery
First pages:

دراسة اداء انظمة التبريد ذي القنوات المايكروية باستخدام قنوات متغيرة المقطع العرضي وترتيبات مختلفة للقنوات ولاتجاه جريان المائع == Performance study of Microchannel cooling system using variable cross section channels with different arrangements and fluid flow directions

Author name: صاحب شهاب احمد اسحاق الدليمي
Supervisor name: Abdul Muhsin Abood Rageb
General topic: Mechanical Engineering
Specific topic: Mechanical Engineering
Degree: Doctorate
University: University Of Basrah - College Of Engineering - Department Of Mechanical Engineering
Language: English
University location: Basrah
First pages:

تحسين مقاومة الخدش لمادة البولي مثيل ميثا اكريليت بالتقوية بجسيمات ثاني اوكسيد السيليكا النانوية == Improvement of Scratch Resistance of PMMA by Reinforcing with Nano SiO2 Particles

Author name: مشتاق عبد الكريم حسين البحراني
Supervisor name: Abdul Kareem F. Hassan | Najim Abdul Ameer Saad
General topic: Mechanical Engineering
Specific topic: Applied Mechanics
Degree: Doctorate
University: University Of Basrah - College Of Engineering - Department Of Mechanical Engineering
Language: English
University location: Basrah
First pages:

دراسة تحليلة لتحسين انتقال الحرارة نتيجة جريان داخلي متذبذب عند ثبوت الفيض الحراري == analytical study of heat transfer enhancement due to internal oscillating flow at constant heat flux

Author name: احمد كاظم محمد الشرع
Supervisor name: abdul-muhsin a. rageb
General topic: Mechanical Engineering
Specific topic: Mechanical Engineering
Degree: Doctorate
University: University Of Basrah - College Of Engineering - Department of Mechanical Engineering
Language: English
University location: Basrah
First pages:

تحسين اداء نظام تكييف الهواء في الطقس الحار تجريبيا وعدديا باستخدام التبريد التبخيري مع مبادل السيفون الحراري == Improving the Performance of air Conditioning System in Hot Weather Experimentally and Numerically using Evaporation Cooling with Thermosyphon Heat Exchanger

Author name: رشا حيدر هاشم الخياط
Supervisor name: Salman H. Hammadi | Adel A. Eidan
General topic: Mechanical Engineering
Specific topic: Mechanical Engineering
Degree: Doctorate
University: University Of Basrah - College Of Engineering
Language: English
University location: Basrah
First pages:

السلوك الالتوائي في العتبات الخرسانية المجوفة عالية المقاومة والمسلحة بالياف فولاذية == TORSIONAL BEHAVIOR OF HIGH STRENGTH STEEL FIBER REINFORCED HOLLOW CONCRETE BEAMS

Author name: جواد كاظم مريس
Supervisor name: Aqeel H. Chkheiwer | Mazin A. Ahmed
General topic: Civil Engineering
Specific topic: Structural Engineering
Degree: Doctorate
University: University Of Basrah - College Of Engineering
Language: English
University location: Basrah
First pages:

نمذجة انتقال الرواسب في ميناء خور الزبير جنوب العراق == MODELLING OF SEDIMENT TRANSPORT IN KHOUR AL-ZUBAIR PORT, SOUTH OF IRAQ

Author name: احمد عودة دخيل
Supervisor name: Ali H. Al-Aboodi | Sarmad A. Abbas
General topic: Civil Engineering
Specific topic: Water Resources
Degree: Doctorate
University: University Of Basrah - College Of Engineering
Language: English
University location: Basrah
First pages:

دراسة عددية وتجريبية لانتاج الماء من الغلاف الجوي باستخدام وحدات مختلفة == NUMERICAL AND EXPERIMENTAL STUDY OF ATMOSPHERIC WATER PRODUCTION USING DIFFERENT UNITS

Author name: محمد راضي خنوبه
Supervisor name: Saleh E. Najim | Hussein S. Sultan,
General topic: Mechanical Engineering
Specific topic: Mechanical Engineering
Degree: Doctorate
University: University Of Basrah - College Of Engineering
Language: English
University location: Basrah
First pages:

البحث النظري والتجريبي لخصائص الكلال والاهتزاز للدائن المقواة == THEORETICAL AND EXPERIMENTAL INVESTIGATIONS OF FATIGUE AND VIBRATION CHARACTERISTICS OF REINFORCED ELASTOMERS

Author name: صدام خلصان كويس الرحيم
Supervisor name: Abdul kareem F. Hassan | Muhsin J. Jweeg
General topic: Mechanical Engineering
Specific topic: Mechanical Engineering
Degree: Doctorate
University: University Of Basrah - College Of Engineering
Language: English
University location: Basrah
First pages:
1 2 3 ... 8