A Novel Deluge Swarm Algorithm for Optimization Problems

A Novel Deluge Swarm Algorithm for Optimization Problems

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Part of #A Novel Deluge Swarm Algorithm for Optimization Problems# :

Publishing year : 2016

Conference : First International Conference on New Perspectives in Electrical and Computer Engineering

Number of pages : 8

Abstract: In this study, a novel population based algorithm is presented for solving optimization problems. Optimization problems due to the vast application in real life and science are so important. By applying more limitation they are classified as NP-hard problems. NP-hard problems, because of high complexity, can be solved by Meta-heuristic methods. In this regard, population-based approaches are considered as a good option. According to the proposed algorithm mechanism, local and global search can be done. Some of the advantages of this algorithm include simplicity, avoiding trapping in local optima, and an appropriate balance between local and global search. The approach is examined by standard functions. Ackley and the sphere, for instance, are taking into account. The results are compared with G-PSO, G-HS, GSA, CM-AFSA and M-ABC, which in all cases proposed algorithm shows better results.

Catalytic Dehydration of Methanol to Dimethyl Ether (DME) at Various Temperatures with and without Presence of Water in Feed Stream

Catalytic Dehydration of Methanol to Dimethyl Ether (DME) at Various Temperatures with and without Presence of Water in Feed Stream

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Part of #Catalytic Dehydration of Methanol to Dimethyl Ether (DME) at Various Temperatures with and without Presence of Water in Feed Stream# :

Publishing year : 2007

Conference : 5th International Congress of Chemical Engineering

Number of pages : 6

Abstract: The catalytic dehydration of methanol for the production of dimethylether (DME) is performed in an adiabatic fixed-bed heterogeneous reactor. For this purpose, acidic gamma alumina is used to convert methanol to DME. Conversion of the Methanol at different temperatures and its change with time by using two different feeds (pure methanol and methanol / water solution) have been investigated. The results show that the catalyst deactivation in a process with methanol / water as the feed of the process is very fast compared to pure methanol.

Verification of framework and extra- framework aluminum species in AlMCM-41

Verification of framework and extra- framework aluminum species in AlMCM-41

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Part of #Verification of framework and extra- framework aluminum species in AlMCM-41# :

Publishing year : 2008

Conference : International Congress of Iranian Geolithic

Number of pages : 6

Abstract: The framework and extra-framework of alumni species in mesoporous aluminum-containing MCM-41
Materials were studied by diffuse reflection spectroscopy (DRS) using acetylacetone as a probe agent.
A room temperature synthesis method was used for the preparation of purely silicaous MCM-41 and for
aluminum-containing MCM-41 materials. Samples with Si / Al ratios of 50, 20, 10 and 5 were synthesized.
Treatment of as-synthesized and calcined alumina-containing MCM-41 samples with acetylacetone
shows a distinct band at 290 nm. This band is assigned to six coordinated aluminum atoms in the
structure The 290-nm band is disappeared following the sequential ethanol washing of acatylacetone
surfactant-containing samples but its intensity is reduced in acatylacetone-treated calcined samples.
The persistent intensity of 290 nm band in the acatylacetone-treated calcined samples after ethanol washing
can be assigned to framework aluminum.

A New Parametric Linear Adaptive Color Space and its PCA–based Implementation

A New Parametric Linear Adaptive Color Space and its PCA–based Implementation

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Part of #A New Parametric Linear Adaptive Color Space and its PCA–based Implementation# :

Publishing year : 2003

Conference : The 9th Annual Conference of the Computer Society of Iran

Number of pages : 8

Abstract: In many vision applications, color is an important cue that must be applied very fast. In this paper, after giving a brief overview on 12 different standard color spaces, the proposed parametric linear adaptive color (PLAC) space is defined. A color-based segmentation process is performed
are these color spaces. Experimental results show that PLAC can be applied at least three times faster than standard color spaces. In addition, with a 10% higher distinctive power, the PLAC shows the rate of half as much of the standard spaces. The best advantage of PLAC is its ability to remove the entire background in 75% of the objects; compared to the low 1.69% of standard spaces. As the PLAC needs a semiautomatic tuning stage, the proposed PCAPLAC method is introduced by encapsulating the PLAC advantages with less required user supervision even than the standard color spaces. The results show the superiority of the proposed color spaces, while PCAPLAC even outperforms the PLAC.

Finite element simulation and experimental investigation on the mechanical properties of nanostructured/ultra-fine grained Al-Mg-Si alloyproduced by equal channel angular pressing

Finite element simulation and experimental investigation on the mechanical properties of nanostructured/ultra-fine grained Al-Mg-Si alloyproduced by equal channel angular pressing

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Part of #Finite element simulation and experimental investigation on the mechanical properties of nanostructured/ultra-fine grained Al-Mg-Si alloyproduced by equal channel angular pressing# :

Publishing year : 2013

Conference : Second international conference and 7th joint conference of Iranian Metallurgical Society and Iranian Casting Association

Number of pages : 5

Abstract: The mechanical properties and the microstructure of nanostructured / ultra-fine grained Al-Mg-Si alloy produced by severe plastic deformation were investigated. Equal-angle angular pressing (ECAP) method was implemented in order to induce a large plastic strain to the billets and to produce nanostructured / ultra-fine-grained material. The Vickers microhardness measurements showed that the increase in the microhardness of the bottom region of the billet was relatively low. Also, the numerical simulation of the ECAP process usingDEFORM-3D software was used to verify the amount of increase in the microhardness value during the process. Furthermore, the Simple Tensile Test, which was conducted to investigate the mechanical behavior of the processed materials, showed that both the yield strength and the final strength of the alloy increased morethan 80%. However, this increase was followed by a slight decrease in the material's ductility. The evaluation of the fracture surfaces of the samples showed that large and deep wells, corresponding to the high elongation of the rendered sample, were replaced by small, well developed and uniformly distributed dimples after two ECAP passes. In addition, further increase in the number of ECAP passes caused formation of parabolic shaped micro-voids indicating shear type fracture mode in the uni-axial tensile test

Physician assisting Robot With integrated image and speech processing

Physician assisting Robot With integrated image and speech processing

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Part of #Physician assisting Robot With integrated image and speech processing# :

Publishing year : 2013

Conference : National Conference on Electrical Engineering and Sustainable Development, Focusing on New Achievements in Electrical Engineering

Number of pages : 7

Abstract: In this essay, the required dosage of drug use is calculated with the help of this robot, which is specially designed for this purpose for ICU, CCU and Emergency sections, generally in any area where drug dosage is needed. Each dose of any drug has its own side effects, despite the major positive effects on healthy cells of the body. Therefore, it not only covers the harmful effects of drugs but also increases their effectiveness by defining the optimal dosage of drugs. Earlier studies in the dosage definition of drugs have been significantly restricted, so our research team has solved this dilemma by designing a robot that focuses on the main factor in the dosage definition of drugs that is patient's weight. This robot also takes a photograph of the patients and creates a file for them, saving all information such as the name of the consultant, prescribed drugs and time of use, transmitting them to the central system of the hospital. This robot named the best invention Of the world 2012.

A New Single Ended Fault Location algorithm for Combined Transmission Line Considering Fault Clearing Transients without Using Line Parameters

A New Single Ended Fault Location algorithm for Combined Transmission Line Considering Fault Clearing Transients without Using Line Parameters

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Part of #A New Single Ended Fault Location algorithm for Combined Transmission Line Considering Fault Clearing Transients without Using Line Parameters# :

Publishing year : 2010

Conference : Twenty-fifth International Power Conference

Number of pages : 10

Abstract: This paper presents a new, single-ended fault location method for using an overhead line that uses fault clearing transients instead of fault-generated transients without using line parameters. Applying wavelet transforms to voltage samples from the transmitting end of the cable, detecting first, second, and third inbounds of the traveling waves to the fault locator and determining the faulty section. Then, the exact location of the fault is calculated. Single-ended algorithm, does not need a communication system and GPS. Accuracy of the algorithm is not affected by aging, climate and temperature variations, which change the wave speed. Fault resistance, fault inception angle and fault distance does not affect the accuracy of the algorithm. Extensive simulations carried out using the SimPowerSystem toolbox of MATLAB software, confirm the capabilities and high accuracy of the proposed method to find the location of the fault under different system and fault conditions.

Aesthetic Aspects of Contextualism in Architectural Design

Aesthetic Aspects of Contextualism in Architectural Design

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Part of #Aesthetic Aspects of Contextualism in Architectural Design# :

Publishing year : 2014

Conference : International Conference on New Methods of Design and Construction in Landscape Architecture

Number of pages : 12

Abstract: We need to feel that they belong in a place and have a connection with our surroundings. In the built environment, we often sacrifice this greater sense of integration with space for false security of place identification. Only recently, architects have discovered or at least come to understand and address this psychological need. Both in function and formation, our buildings are affected by their surroundings, be natural or urban. Contextualism gives us theoretical support for digging traditional architecture culture's essence. However, how to pay attention to the creation of some styles in special circumstances and how to effectively contrast between the overall context and financial investments etc. Both are our considerations and investigations on contextualism's new annotation and development. Contextualism refers to an approach in urban planning which considers the city in its totality. It also emphasizes the role of social, cultural, geographical, and historical influences on individual development since the focus of increasing interest in understanding the environment in contemporary architecture. Architecture must address this issue, even if by simply deciding not to address it. Like most human products, architecture has a connection with people's material life in certain aspects, but it also has connection with people's life in all aspects. It has the widest life foundation. Architecture has an idiosyncratic artistic expressive force. Enormous consideration, permanent lifespan, the complexity of its organizational structure by comparing with other arts, close connection with the environment, and containment of other arts have enriched the possibilities for expressing temperament and interest better. The contemporary context contextual architecture is scrutinized in relation to design activity and Design product and related background is interpreted. Accordingly, the guidelines, strategies of contextual design, architectural habits and extensions from the past are critically discussed. In addition to studies that have been widely discussed in contextual design with guidelines and strategies, this study addresses contextual design within the framework of designers attitude. These attitudes are referred to as empathic, sympathetic and independent. While sympathetic attitude is superior to others, it is emphasized that considerations of the designer (architect) towards context is the most important point for the context of the quality. In other words, it is underlined that whichever attitude is followed, the most important aspect of contextual design success is architectural consideration. As well as obedience to the context, accepting it as a set of requirements to be complied with, a view that can be presented that accepts it as a tool in the design. In addition, in this study, the design concepts derived from context are interpreted as extensions of attitudes and considerations revealing original examples that are strong and based on the selected sample selected samples.

Copper Recovery Using Bioleaching Process with a Mix Culture of Sulfobacillus Acidophilus, Acidimicrobium Ferrooxidans and Sulfobacillus Thermosulfidooxidans and Process Optimization

Copper Recovery Using Bioleaching Process with a Mix Culture of Sulfobacillus Acidophilus, Acidimicrobium Ferrooxidans and Sulfobacillus Thermosulfidooxidans and Process Optimization

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Part of #Copper Recovery Using Bioleaching Process with a Mix Culture of Sulfobacillus Acidophilus, Acidimicrobium Ferrooxidans and Sulfobacillus Thermosulfidooxidans and Process Optimization# :

Publishing year : 2016

Conference : Third International Conference on New Research Achievements in Chemistry and Chemical Engineering

Number of pages : 9

Abstract: The purpose of this study is to optimize the recovery process of copper from low-grade ore samples collected from Sarcheshmeh, Kerman, Iran. The recovery is performed via a bioleaching process with its related considerations. A mix culture of microorganisms, including Sulfobacillus Acidophilus, Acidimicrobium Ferrooxidans and Sulfobacillus Thermosulfidoxidans, is applied due to the potential capacity of them in the field of ferrous-iron-oxidizing processes. The design of the Experiment (DOE) The four effective factors and the three levels of them. These factors include pH. Temperature, culture percentage and chalcopyrite concentration. In addition, the copper extraction percentage was considered as the response which should be optimized. It should be noted that all of the DOE and analysis of variances (ANOVA) were performed using Minitab 16 Software.After ANOVA evaluation, optimal conditions for this process by the above mentioned strains of mix culture were pH 1, a temperature of 59 C , Culture percentage of 15% and chalcopyrite concentration 19%. In these circumstances, the best optimized copper extraction percentage of 83% will be achieved.

Application of Geodetic tools for crustal deformation monitoring in Iran (Insight from GPS technique)

Application of Geodetic tools for crustal deformation monitoring in Iran (Insight from GPS technique)

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Part of #Application of Geodetic tools for crustal deformation monitoring in Iran (Insight from GPS technique)# :

Publishing year : 2009

Conference : The first geomatical congress

Number of pages : 11

Abstract: Iran is one of the most tectonically active zones in the Alpine-Himalayan seismic belt where it has been shaken by largely destroying historical and instrumental earthquakes (Engdahl et al., 1998; Ambraseys & Melville, 1982). The shortening between the Arabian and Eurasian plates in Iran is mainly distributed on Zagros and Alborz belts. Several GPS campaigns were conducted on different networks between 2000 and 2008 and provided the horizontal speed field in Iran. In this work, for the first time a continuous GPS network is used to better understand the tectonic deformation and compare it with the results of campaigns. Since the beginning of 2005, the National Cartographic Center of Iran (NCC) has been establishing a permanent GPS network of 113 stations called the Iranian Permanent GPS Network for Geodynamics (IPGN). This system will bring us more precise information on crustal information (horizontal movements, suppression and uplift as vertical movements) and geophysical phenomena such as ionosphere disturbances and water vapor