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Articles 151 - 180 of 184

Full-Text Articles in Operations Research, Systems Engineering and Industrial Engineering

Electric Energy Sector In Egypt: A Review, Dr. Adel A. Elbaset Mar 2009

Electric Energy Sector In Egypt: A Review, Dr. Adel A. Elbaset

Dr. Adel A. Elbaset

No abstract provided.


Optimal Design Of Wind-Pv-Diesel-Battery System Using Genetic Algorithm, Dr. Adel A. Elbaset Jan 2009

Optimal Design Of Wind-Pv-Diesel-Battery System Using Genetic Algorithm, Dr. Adel A. Elbaset

Dr. Adel A. Elbaset

The optimization of diesel generators (DGs) and renewable energy sources have to be done within a cost benefit, high reliability and environmentally friendly framework. Most of optimization method just consider only from economical point of view. This paper presents complete optimization method involving of cost, reliability and pollutant emission into optimization process. The reliability level is analyzed using basic probabilistic concept in order to find loss of load probability (LOLP). This value is then used to determine the customer damage cost due to electricity interruption. Meanwhile, CO2 emission as an indicator of pollution is calculated to determine the annual emission …


Optimization Of Lifeguard Towers, Equipment, And Sign Placement With Human Factors Considerations For The Cal Poly Recreation Center Expansion, Brian J. Henrikson Jan 2009

Optimization Of Lifeguard Towers, Equipment, And Sign Placement With Human Factors Considerations For The Cal Poly Recreation Center Expansion, Brian J. Henrikson

Industrial and Manufacturing Engineering

Cal Poly’s Recreation Center serves many faculty, students and alumni by providing them with a safe and fun environment to work out and swim. An overwhelming majority of students voted for a Recreation Center expansion to handle the increased usage of the Center over the past few years. The focus of this report is the safe and effective operations of the pool deck and the lifeguard staff. Three surveys were created to see what the lifeguard staff, as well as pool users, thought about the current pool deck and what they would like to see in the new pool deck …


Design Of An 8-Channel Data Acquisition System For Measuring Diode Junction Temperature, Jason Maynard Jan 2009

Design Of An 8-Channel Data Acquisition System For Measuring Diode Junction Temperature, Jason Maynard

Industrial and Manufacturing Engineering

The solid state lighting industry is striving to expand the use of light emitting diodes (LEDs) in more applications, particularly in high brightness applications. As the power of LEDs increase, heat removal becomes a critical issue. To improve device lifetime, quantum efficiency, and LED colour, the diode p-n junction temperature (Tj) must be kept to a minimum. Measuring this key parameter is difficult or impossible with direct methods, such as thermocouples and infrared cameras, due to the small size of LEDs. Fortunately, junction temperature can be measured indirectly by using a relationship between the diode forward voltage (Vf) and junction …


R&D Management In Iran, Opportunities And Threats, Nader Ale Ebrahim, Ali Ghazizadeh, Arash Golnam, Hamid Tahbaz Tavakoli May 2007

R&D Management In Iran, Opportunities And Threats, Nader Ale Ebrahim, Ali Ghazizadeh, Arash Golnam, Hamid Tahbaz Tavakoli

Nader Ale Ebrahim

Research and Development (R&D) management in Iran has faced many barriers and obstacles, in which R&D units are considered as the basic core of the product development and innovation. Due to structural shortcomings, a great number of organizations and industries have not yet been able to position themselves in the market. There are about 1141 R&D units throughout Iran, due to the geographical decentralization of these units this paper considers and analyzes the R&D case study in one of the provinces located in the north part of Iran, and the findings can be generalized to the other industrialized areas and …


Order And Disorder, Entropy In Math, Science, Nature And The Arts, Sol Neeman Ph.D., Arie Maharshak Jul 2006

Order And Disorder, Entropy In Math, Science, Nature And The Arts, Sol Neeman Ph.D., Arie Maharshak

Engineering Studies Faculty Publications and Creative Works

Often, science and engineering students have difficult time in viewing certain concepts in their holistic form. An example for such a concept is the concept of Entropy. Although it originated from the field of thermodynamics, the relation between order and disorder is a profound one and manifests itself in various fields, sometimes unrelated, such as math and science, nature and the arts. In the discipline of physics, the amount of disorder in a system has been quantified by the concept of Entropy. In the area of information theory it provides a quantitative measure of the amount of compression that may …


Chapter 7 Impact Of Interconnecting Issue Of Pv/Wes With Eu On Their Reliability Using A Fuzzy Scheme, Dr. Adel A. Elbaset Dec 2005

Chapter 7 Impact Of Interconnecting Issue Of Pv/Wes With Eu On Their Reliability Using A Fuzzy Scheme, Dr. Adel A. Elbaset

Dr. Adel A. Elbaset

No abstract provided.


Chapter 5 Operation Control Strategy And Simulation Of Wtg Interconnected With Eu, Dr. Adel A. Elbaset Dec 2005

Chapter 5 Operation Control Strategy And Simulation Of Wtg Interconnected With Eu, Dr. Adel A. Elbaset

Dr. Adel A. Elbaset

No abstract provided.


Chapter 4 Design Of Wes Interconnected With Eu, Dr. Adel A. Elbaset Dec 2005

Chapter 4 Design Of Wes Interconnected With Eu, Dr. Adel A. Elbaset

Dr. Adel A. Elbaset

No abstract provided.


Definations, Dr. Adel A. Elbaset Dec 2005

Definations, Dr. Adel A. Elbaset

Dr. Adel A. Elbaset

No abstract provided.


Abstract English, Dr. Adel A. Elbaset Dec 2005

Abstract English, Dr. Adel A. Elbaset

Dr. Adel A. Elbaset

Abstract of Ph. D. Thesis Study of Interconnecting Issues of Photovoltaic/Wind Hybrid System with Electric Utility Using Artificial Intelligence By Eng. Adel A. Elbaset Submitted to Electrical Engineering Dept., Faculty of Engineering, Elminia University The overall objective of PV and WES are to obtain electricity from the sun and wind that are cost competitive and even advantageous with respect to other energy sources. The global average insolation i.e. horizontal global and wind speed in Egypt are relatively good. The design of photovoltaic wind en¬ergy system hybrid power system (PV/WES HEPS) has many difficulties if we take all economical and technical …


Chapter 1 Introduction And Previous Work, Dr. Adel A. Elbaset Dec 2005

Chapter 1 Introduction And Previous Work, Dr. Adel A. Elbaset

Dr. Adel A. Elbaset

No abstract provided.


Power Point, Chapter 1, Dr. Adel A. Elbaset Dec 2005

Power Point, Chapter 1, Dr. Adel A. Elbaset

Dr. Adel A. Elbaset

No abstract provided.


Arabic Abstract, Dr. Adel A. Elbaset Dec 2005

Arabic Abstract, Dr. Adel A. Elbaset

Dr. Adel A. Elbaset

ملخص الرسالة "دراسة قضايا ربط نظام مختلط من منظومة فوتوفولتية و منظومة رياح مع شبكة كهربية بإستخدام الذكاء الاصطناعي" يشهد العالم إرتفاعاًَ ملحوظاَ في أسعار الوقود الحفري منذ نهاية القرن الماضي وحتي الاّن ، ويزداد هذا الإرتفاع والتناقص في المخزون يوماَ بعد يوم. ولهذا فقد إتجهت أنظار الباحثين في مجال توليد القدرة الكهربية إلي التوسع في إستغلال مصادر الطاقة الغير تقليدية وبصفة خاصة مصادر الطاقة الجديدة والمتجددة. وتعتبر الطاقة الجديدة والمتجددة من الطاقة التي لا تنضب بالاستخدام لأنها تعتمد علي مصادر طبيعية متجددة ، ومن أمثلة هذه المصادر الشمس، والرياح، والمد والجزر، حرارة باطن الأرض …………..الخ. ولقد أصبح استغلال هذه …


Examining Committee, Dr. Adel A. Elbaset Dec 2005

Examining Committee, Dr. Adel A. Elbaset

Dr. Adel A. Elbaset

No abstract provided.


References, Dr. Adel A. Elbaset Dec 2005

References, Dr. Adel A. Elbaset

Dr. Adel A. Elbaset

No abstract provided.


Power Point, Chapter 3, Dr. Adel A. Elbaset Dec 2005

Power Point, Chapter 3, Dr. Adel A. Elbaset

Dr. Adel A. Elbaset

No abstract provided.


Power Point, Chapter 2, Dr. Adel A. Elbaset Dec 2005

Power Point, Chapter 2, Dr. Adel A. Elbaset

Dr. Adel A. Elbaset

No abstract provided.


A_ Cover, Dr. Adel A. Elbaset Dec 2005

A_ Cover, Dr. Adel A. Elbaset

Dr. Adel A. Elbaset

No abstract provided.


Contents, Dr. Adel A. Elbaset Dec 2005

Contents, Dr. Adel A. Elbaset

Dr. Adel A. Elbaset

No abstract provided.


Computer Programs, Dr. Adel A. Elbaset Dec 2005

Computer Programs, Dr. Adel A. Elbaset

Dr. Adel A. Elbaset

No abstract provided.


Chapter 8 Conclusions And Suggestions For Future Work, Dr. Adel A. Elbaset Dec 2005

Chapter 8 Conclusions And Suggestions For Future Work, Dr. Adel A. Elbaset

Dr. Adel A. Elbaset

No abstract provided.


Chapter 3 Operation Control Strategy And Simulation Of Pv System Interconnected With Eu, Dr. Adel A. Elbaset Dec 2005

Chapter 3 Operation Control Strategy And Simulation Of Pv System Interconnected With Eu, Dr. Adel A. Elbaset

Dr. Adel A. Elbaset

No abstract provided.


Chapter 6 Design And Control Strategy Of Pv/Wes Heps Interconnected With Eu, Dr. Adel A. Elbaset Dec 2005

Chapter 6 Design And Control Strategy Of Pv/Wes Heps Interconnected With Eu, Dr. Adel A. Elbaset

Dr. Adel A. Elbaset

No abstract provided.


Impact Of Interconnection Photovoltaic/Wind System With Utility On Their Reliability Using A Fuzzy Scheme, Dr. Adel A. Elbaset Aug 2005

Impact Of Interconnection Photovoltaic/Wind System With Utility On Their Reliability Using A Fuzzy Scheme, Dr. Adel A. Elbaset

Dr. Adel A. Elbaset

Reliability analysis has been considered as an important step in any system design process. a reliable electrical power system means that the system which having sufficient power to feed the load demand during a certain period or in other word, having small Loss of Load Probability (LOLP). LOLP is defined as an expected fraction of load not met by its needed power from electrical power system during its lifetime. Photovoltaic (PV) / Wind Energy System (WES) hybrid electric power system (PV/WES HEPS) differs considerably from the utility grid (UG) in their performance and operating characteristics. With the interconnection of PV/WES …


A Template-Based Conceptual Modeling Infrastructure For Simulation Of Physical Security Systems, Paul Savory Oct 2004

A Template-Based Conceptual Modeling Infrastructure For Simulation Of Physical Security Systems, Paul Savory

Department of Industrial and Management Systems Engineering: Faculty Publications

Although simulation is one of the most innovative and cost-effective tools for modeling and analyzing a system, simulation studies often fail to provide any useful results. One reason is attributed to the fact that model formulation depends on the skills of the analyst. This paper describes a research to develop a conceptual modeling infrastructure to assist a simulation analyst in specifying components for studying physical security systems. The modeling framework has been programmed as an internet-based web application. Using the application, the successful development and implementation of a physical security simulation model will be aided by a defined scientific methodology …


The Frequency Distribution Of Quantization Error In Digitizers For Coherent Sampling, Sol Neeman Ph.D. Jan 2004

The Frequency Distribution Of Quantization Error In Digitizers For Coherent Sampling, Sol Neeman Ph.D.

Engineering Studies Faculty Publications and Creative Works

In this paper the frequency distribution of quantization error in coherent sampling of digitizers will be investigated. As the distribution of the quantization error affects the values of THD and SNR, it is relevant for a correct interpretation of THD and SNR of sine waves in coherent sampling. The distribution of the quantization error will be analyzed as a function of N, total number of samples and M, number of cycles in the sample set and it will be proved that for certain cases, the quantization error falls on odd harmonics only of the frequency of the sampled sine wave.


A Verification And Validation Assessment Of Rapid Availability Prototyping For Testing Operational Readiness, Gurhan Tarman Mar 2001

A Verification And Validation Assessment Of Rapid Availability Prototyping For Testing Operational Readiness, Gurhan Tarman

Theses and Dissertations

Throughout the world, new techniques are developed to test and evaluate systems. The Department of Defense and the US Air Force conduct numerous studies into the reliability and maintainability of current and future weapons systems in an effort to understand the reliability, maintainability, and availability (RM&A) costs of these systems. Furthermore, they must verify RM&A characteristics of systems, which are still in the development phase. The Air Force Operational Test and Evaluation Center (AFOTEC) is responsible for testing new equipment to ensure their RM&A characteristics meet specifications. Rapid Availability Prototyping for Testing Operational Readiness (RAPTOR) is the software tool developed …


Application Of Wavelets And Principal Component Analysis In Image Query And Mammography, Sol Neeman Ph.D. Jan 2000

Application Of Wavelets And Principal Component Analysis In Image Query And Mammography, Sol Neeman Ph.D.

Engineering Studies Faculty Publications and Creative Works

Breast cancer is currently one of the major causes of death for women in the U.S. Mammography is currently the most effective method for detection of breast cancer and early detection has proven to be an efficient tool to reduce the number of deaths. Mammography is the most demanding of all clinical imaging applications as it requires high contrast, high signal to noise ratio and resolution with minimal x-radiation. According to studies [36], 10% to 30% of women having breast cancer and undergoing mammography, have negative mammograms, i.e. are misdiagnosed. Furthermore, only 20%-40% of the women who undergo biopsy, have …


Combining Wavelets And Hotelling Transforms In Image Query, Sol Neeman Ph.D. Jan 1999

Combining Wavelets And Hotelling Transforms In Image Query, Sol Neeman Ph.D.

Engineering Studies Faculty Publications and Creative Works

In the "content based" image query, also referred to as "query by example," "similarity retrieval" or "sketch retrieval," the query image is provided by the user either as a sketch of the object, as the output of a scanner or a video camera. Some of the difficulties associated with content based image query are described in [1], e.g. significant difference between the "query image" and the "target image," artifacts and poor resolution of the query image make a straightforward comparison of images using L1 and l2 metrics not effective.

In [2] a new strategy is suggested based on wavelet decomposition …