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International Journal of Electrical and Computer Engineering
Published by Institute of Advanced Engineering and Science
ISSN : 20888708     EISSN : 27222578     DOI : -
Core Subject : Science, Engineering,
Computer Science & IT Electrical & Electronics Engineering
International Journal of Electrical and Computer Engineering (IJECE, ISSN: 2088-8708, a SCOPUS indexed Journal, SNIP: 1.001; SJR: 0.296; CiteScore: 0.99; SJR & CiteScore Q2 on both of the Electrical & Electronics Engineering, and Computer Science) is the official publication of the Institute of Advanced Engineering and Science (IAES). The journal is open to submission from scholars and experts in the wide areas of electrical, electronics, instrumentation, control, telecommunication and computer engineering from the global world.
Arjuna Subject : Ilmu Komputer (semua kategori) - Ilmu Komputer (Lain-Lain)
Articles 17 Documents
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Search results for , issue "Vol 2, No 2: April 2012" : 17 Documents clear
Rural Electrification in the Changing paradigm of Power Sector Reforms in India Gopalkrishna D Kamalapur; Udaykumar R Y
International Journal of Electrical and Computer Engineering (IJECE) Vol 2, No 2: April 2012
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (148.529 KB)

Abstract

Rural electrification is an integral component of poverty alleviation and rural growth of a nation. In India, electricity has not played effective role in the socio-economic growth of village. GDP is increasing with 8 percent where as contribution of agriculture sector is 1.9 percent. Government of India has ambitious target of providing electricity to all villages by 2008 and all rural households by 2012. Steps are already initiated with Rural Electric Corporation, Rural Electricity Supply Technology mission, State Electricity Boards, Reforms in Power Sector. An attempt has been made in this paper to assess the features of rural electrification in India and the problems faced by State Electricity Boards. Challenges of rural electrification in the changing scenario of power sector reforms are identified.DOI:http://dx.doi.org/10.11591/ijece.v2i2.149
Effects of Electromagnetic Fields on Mammalian Cells Md Kamal Hosain
International Journal of Electrical and Computer Engineering (IJECE) Vol 2, No 2: April 2012
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (229.195 KB)

Abstract

The characteristics of mammalian cells can be influenced by electromagnetic fields (EMFs). The electromagnetic fields have a number of physiological effects on cells and tissues such as alteration of gene expression, cells viability, proliferation, apoptosis, number of mammospheres, cells cycle phase, and invasion. The existing literature proves that the impact of EMFs on mammalian cells depends on the density and uniformity of the field, frequency range, exposure time, cell types, culture environment, and culcuremedium. This paper presents a review of the impacts of EMFs on mammalian cells in vitro culture. In this article, we reviewed the contemporary understanding of the various form of electromagnetic radiation effect on cultured mammalian cells in vitro, EMF exposing systems, and internal field mechanism in the cells.DOI:http://dx.doi.org/10.11591/ijece.v2i2.269
Automatic Segmentation of Glottal Space from Video Images Based on Mathematical Morphology and the hough Transform Davod Aghlmandi; Karim Faez
International Journal of Electrical and Computer Engineering (IJECE) Vol 2, No 2: April 2012
Publisher : Institute of Advanced Engineering and Science

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Abstract

Vocal disorders directly arise from the physical shape of the vocal cords. Videostroboscopic imaging provides doctors with valuable information about the physical shape of the vocal cords and about the way these cords move. Segmentation of the glottal space is necessary in order to characterize morphological disorders of vocal folds. One of the main problems with the methods presented is their low level of accuracy. To solve this problem, an automatic method based on Mathematical Morphology edge detection and the Hough transformation is presented in this article to extract the glottal space from the videostroboscopic images presented. Our method compared with the histogram and active contours methods and the findings showed that our proposed method yields better results.DOI:http://dx.doi.org/10.11591/ijece.v2i2.212
Dynamic Performance Analysis of Permanent Magnet Hybrid Stepper Motor by Transfer Function Model for Different Design Topologies E.V.C Sekhara Rao; P.V.N Prasad
International Journal of Electrical and Computer Engineering (IJECE) Vol 2, No 2: April 2012
Publisher : Institute of Advanced Engineering and Science

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Abstract

This paper discuss about dynamic performance analysis of permanent magnet hybrid stepper motor during single stepping by transfer function model for eight topologies using PDE toolbox of Matlab, for different current densities for two types of core materials.. These results suggest modifications for better performance of the PMH stepper motor for better dynamic response during single stepping.DOI:http://dx.doi.org/10.11591/ijece.v2i2.195
Power Generation Pricing Model Based on Long Rung Marginal Cost Methodology Priyanka Roy; Abhijit Chakrabarti
International Journal of Electrical and Computer Engineering (IJECE) Vol 2, No 2: April 2012
Publisher : Institute of Advanced Engineering and Science

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Abstract

This paper proposes a long run marginal cost based formulation for reflecting the usage based pricing of electrical power. The aim of this paper is to develop a novel method that can price the real power on a long term basis in a multi-machine power system. The proposed method has shown that the cost of future investment is governed by the perturbation of generating power.  The economic efficiency of the proposed model is demonstrated in a 203 buses 267 lines 23 machines real power system of eastern part of India where total 23 generators are categorized in 5 types according to their ratings and analyzed the price at their optimal operating condition with 10% loading variation.DOI:http://dx.doi.org/10.11591/ijece.v2i2.191
Transforming Model to Meta Model for Knowledge Repository of Malay Intangible Culture Heritage of Malaysia Radiah Amin
International Journal of Electrical and Computer Engineering (IJECE) Vol 2, No 2: April 2012
Publisher : Institute of Advanced Engineering and Science

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Abstract

Intangible Culture Heritage is very important as national treasure for a country since it is a part of identity of the country. Rapid technology changed and globalization is one of the reasons why new generation less interested to involve in culture heritage sector. Without any drastic action to safeguard Intangible Culture Heritage for the country it will cause endanger to disappearance. In this study researcher introduce a model of factors that contributing in archiving Intangible Culture Heritage. By transform from the model to meta model it will be a guidelines, standard and base for developing a repository of Intangible Culture Heritage. The finding for this research is a vital and very fruitful for intangible study and archiving and also as a main contribution for this study.DOI:http://dx.doi.org/10.11591/ijece.v2i2.205
Modeling of Power Generation using Municipal Solid Waste in India Shrikant B Karajgi; Udaykumar R Yaragatti; Gopal D Kamalapur
International Journal of Electrical and Computer Engineering (IJECE) Vol 2, No 2: April 2012
Publisher : Institute of Advanced Engineering and Science

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Abstract

Generation of Electrical Energy from Municipal Solid Waste (MSW) is acomplex process since the waste has to undergo various unit processes before it is put in to the process of energy production. The modeling of power generation from MSW, therefore has to include all these unit processes, waste flow paths etc. The modeling must also be capable of providing information on important issues like economical, environmental among many others. With the launching of new energy policy by Govt. of India, on liberalization of energy production, Independent power producers (IPP) are exploring Municipal Solid Waste (MSW) as a main source of energy in addition to other renewable sources like fuel cells, solar, wind etc. for production of energy at affordable rates. In this paper, a mathematical model of the power generation using MSW is examined, keeping in view, the composition of waste in India. Linear equations have been developed for the various waste flow paths and the mass balance equations are then solved for the main objective function of minimum cost.DOI:http://dx.doi.org/10.11591/ijece.v2i2.270
SEPIC Converter based-Drive for Unipolar BLDC Motor Raghu Thumu; S. Chandra Sekhar; J. Srinivas Rao
International Journal of Electrical and Computer Engineering (IJECE) Vol 2, No 2: April 2012
Publisher : Institute of Advanced Engineering and Science

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Abstract

Front-end single-ended primary inductance converter (SEPIC) and a switch in series with each phase is proposed for driving a permanent magnet brushless dc (BLDC) motor with unipolar currents. All the switches are ground-referenced, which simplifies their gate drives. The available input voltage can be boosted for better current regulation, which is an advantage for low voltage applications. The SEPIC converter is designed to operate in the discontinuous conduction mode for operation with an ac supply. In this operation mode, the line current follows the line voltage waveform to a certain extent. The reduction in low-order harmonics and improved power factor is achieved without the use of any voltage or current sensors. The simplicity and reduced parts count of the proposed topology make it an attractive low-cost choice for many variable speed drive applications. The proposed topology is simulated and verified by using MATLAB/SIMULINK.DOI:http://dx.doi.org/10.11591/ijece.v2i2.306
Bridging XML and Relational Databases: An Effective Mapping Scheme based on Persistent Samini Subramaniam; Su-Cheng Haw; Poo Kuan Hoong
International Journal of Electrical and Computer Engineering (IJECE) Vol 2, No 2: April 2012
Publisher : Institute of Advanced Engineering and Science

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Abstract

XML has emerged as the leading medium for data transfer over the World Wide Web. At the present days, relational database is still widely used as the back-end database in most organizations. Since there is mismatch in these two structures, an effective mapping scheme is definitely essential that provides seamless integration with relational databases. On the other hand, an immutable labeling scheme is certainly significant to dentify the XML nodes uniquely as well as supports dynamic update without having the existing labels to be re-labeled when there is an occurance of dynamic update. As such, in this paper, we propose s-XML by adopting the Persistent Labeling scheme as the annotation scheme to ensure seamless integration with relational database and able to support updates without the need to re-construct the existing labels. We conduct experiments to show that s-XML performs better in terms of mapping the XML nodes to relational databases, query retrieval and dynamic update compared to the existing approaches.DOI:http://dx.doi.org/10.11591/ijece.v2i2.215
Dense Wavelength Division Multiplexing Optical Network System Md. Masud Rana; Muhammad Abdul Goffar Khan
International Journal of Electrical and Computer Engineering (IJECE) Vol 2, No 2: April 2012
Publisher : Institute of Advanced Engineering and Science

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Abstract

In this paper, a dense wavelength division multiplexing (DWDM) system with 64 modulated channels 50 GHz spacing covering 25.2-nm bandwidth has been demonstrated. When optical signals are to travel over long distances, it’s be faded and spread out. So, it is necessary to strengthen the signal at intervals. To keep the signal strength at same level in the DWMD system, Er-doped fiber amplifier (EDFA) has been used. The EDFA provides a gain across the bandwidth with 10 dB average gain and a gain shape variation peak-to-peak of about 1 dB. OptSim’s physical EDFA model has been used for DWMD systems.DOI:http://dx.doi.org/10.11591/ijece.v2i2.202

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