نتایج جستجو برای: optimal locating

تعداد نتایج: 377863  

Developing the infrastructures for preventing non-communicable diseases is one of the most important goals of healthcare context in recent years. In this regard, the number and capacity of preventive healthcare facilities as well as assignment of customers to facilities should be determined for each region. Besides the accessibility, the utility of customers is a determinative factor in partici...

Journal: :جغرافیا و مخاطرات محیطی 0
خدیجه بوزرجمهری خدیجه جوانی مجید رضا کاتبی

1. introduction iran is one of the most disaster-prone countries in the world. as the statistics show, 31 cases out of 40 types of natural disasters occurring in the world happens in iran. such natural disasters in the country have placed iran on the list of top ten countries of the world in terms of natural disasters in which the incidence and frequency of natural disasters such as earthquake,...

2007
Kai Xiao Sooi Hock Ho Aboul Ella Hassanien

Brain tumor detection is still a challenge in the field of brain compute-aided diagnosis. In the brain Magnetic Resonance Images (MRI), the correlation between lateral ventricles deformations and tumor existence has been found useful in brain tumor detection and prediction. To retrieve the lateral ventricles deformation data for further statistical analysis and processing, a new method has been...

2011
M. Joorabian

Congestion and overloads in transmission lines always is one of the basic problems in the power system operation. Some of the consequences of this problem in the restructured power system are sudden price increasing in some areas, increase in market power and reduction in the competition in the market. FACTS devices as an efficient, powerful and economical means can have a key role in transmiss...

2009
Paul Denholm

In this work, we examine the potential advantages of co-locating wind and energy storage to increase transmission utilization and decrease transmission costs. Co-location of wind and storage decreases transmission requirements, but also decreases the economic value of energy storage compared to locating energy storage at the load. This represents a tradeoff which we examine to estimate the tran...

Today, physical development and population growth in Iranian cities, like other developing countries, is on the rise. One of the main problems in the urban area is the lack of attention to the influential parameters in the sustainable urban development.  Various factors, such as natural phenomena, play a role in the urban development, and the effective parameters must be considered for locatin...

پایان نامه :دانشگاه آزاد اسلامی - دانشگاه آزاد اسلامی واحد تهران مرکزی - دانشکده برق و الکترونیک 1390

there are many approaches for solving variety combinatorial optimization problems (np-compelete) that devided to exact solutions and approximate solutions. exact methods can only be used for very small size instances due to their expontional search space. for real-world problems, we have to employ approximate methods such as evolutionary algorithms (eas) that find a near-optimal solution in a r...

Journal: :جغرافیا و مخاطرات محیطی 0
محمد اجزاء شکوهی حمید شایان محمد هادی درودی

1. introduction many of citizens living in urban areas are exposed to many dangers which the main result of the fire. among the elements of fire stations and land use services - emergency towns which are vital role in protecting life and property against various disasters, particularly hazards are human. city of safety against fire hazards and safety guarantees in different land uses and urban ...

A. Afshar, S. Madadgar,

Most real world engineering design problems, such as cross-country water mains, include combinations of continuous, discrete, and binary value decision variables. Very often, the binary decision variables associate with the presence and/or absence of some nominated alternatives or project’s components. This study extends an existing continuous Ant Colony Optimization (ACO) algorithm to simultan...

In this article, a multi-objective planning is demonstrated for reactive power compensation in radial distribution networks with wind generation via unified power quality conditioner (UPQC). UPQC model, based on phase angle control (PAC), is used. In presented method, optimal locating of UPQC-PAC is done by simultaneous minimizing of objective functions such as: grid power loss, percentage of n...

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