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Open AccessArticle
6 Pages, 774 KB Download PDF

Location Prediction based on Variable-order Markov Model with Time Feature and User’s Spatio-temporal Rule

Advances in Science, Technology and Engineering Systems Journal, Volume 4, Issue 2, Page # 351–356, 2019; DOI: 10.25046/aj040244
Abstract:

Location-based service has been widely used in modern life. It brings a lot of convenience to our lives. Improving the accuracy of location prediction can provide better location- based service. We propose a location prediction method based on the variable-order Markov model with time feature and user’s spatio-temporal rule. First, the user’s trajectory data needs…

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(This article belongs to the SP7 (Special Issue on Advancement in Engineering and Computer Science 2019) & Section Transportation Science & Technology (TST))
Open AccessArticle
11 Pages, 2,143 KB Download PDF

Hybrid Technique for Enhancing Underwater Image in blurry conditions

Advances in Science, Technology and Engineering Systems Journal, Volume 4, Issue 2, Page # 340–350, 2019; DOI: 10.25046/aj040243
Abstract:

Enhancing underwater visualization using hybrid technique is generally employed into oceanic production. Through growing oceanic learning, undersea processing has drawn extra importance owing towards necessary task of picture towards attaining data. Although, suitable to reality of dust-like constituent and beam reduction, undersea descriptions continually experience small contrast and color alteration. In this paper, we estimate…

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(This article belongs to the SP7 (Special Issue on Advancement in Engineering and Computer Science 2019) & Section Interdisciplinary Applications of Computer Science (CSI))
Open AccessArticle
7 Pages, 816 KB Download PDF

Optimization of Statcom in a Nouakchott Power System

Advances in Science, Technology and Engineering Systems Journal, Volume 4, Issue 2, Page # 333–339, 2019; DOI: 10.25046/aj040242
Abstract:

STATCOM a shunt connected Flexible Alternative Current Systems (FACTS) device using for fast control of voltage and reactive power control in the power grid. To optimize Nouakchott power system at 2030 year, we anticipate both generation and demand grow. A set of nonlinear equations are solved through Newton Raphson method and programmed in PSS/E and…

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(This article belongs to the isaect-18 (Special Issue on Advanced Electrical and Communication Technologies 2019) & Section Electrical Engineering (ELE))
Open AccessArticle
14 Pages, 2,642 KB Download PDF

An Innovative EPC Architecture based on Not Only Stack for beyond 5G Mobile Networks

Advances in Science, Technology and Engineering Systems Journal, Volume 4, Issue 2, Page # 319–332, 2019; DOI: 10.25046/aj040241
Abstract:

The traditional long-term evolved (LTE) network architecture faces major challenges due to the rapid development of mobile intelligent applications. Evolved packet core (EPC) network, as the core network of the LTE system, faces the same problem as well. In this paper, we propose an innovative EPC architecture, i.e., Not only stack (NOS)-EPC, in which we…

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(This article belongs to the SP6 (Special Issue on Recent Advances in Engineering Systems 2018-19) & Section Telecommunications (TEL))
Open AccessArticle
5 Pages, 26,283 KB Download PDF

Acquiring Energy from the Harmful Radiation Emitted by Compact Fluorescent Lamps

Advances in Science, Technology and Engineering Systems Journal, Volume 4, Issue 2, Page # 314–318, 2019; DOI: 10.25046/aj040240
Abstract:

The purpose of this work is to present new technology in acquiring energy from the compact fluorescent lamp (CFL) and store it in a super-capacitor to operate the emergency exit lights. Many studies show energy-efficient light bulbs may emit harmful radiation. This type of lamp emits high levels of radiation, causing migraine headaches, fatigue, and…

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(This article belongs to Section Electronic Engineering (EEE))
Open AccessArticle
9 Pages, 870 KB Download PDF

Noise Cancellation Algorithm Based on Air- and Bone-Conducted Speech Signals by Considering an Unscented Transformation Method

Advances in Science, Technology and Engineering Systems Journal, Volume 4, Issue 2, Page # 305–313, 2019; DOI: 10.25046/aj040239
Abstract:

Noise control is essential when applying speech recognition in noisy environments such as factories. In this study, a signal processing for noise cancellation is proposed by using a noise-insensitive bone-conducted speech signal together with an air-conducted speech signal. The speech signal is generally expressed by a nonlinear model. The extended Kalman filter is very famous…

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(This article belongs to the SP7 (Special Issue on Advancement in Engineering and Computer Science 2019) & Section Electronic Engineering (EEE))
Open AccessArticle
10 Pages, 665 KB Download PDF

Enabling the Edge – A method for dynamic virtualizable connections for 5G deployments

Advances in Science, Technology and Engineering Systems Journal, Volume 4, Issue 2, Page # 270–279, 2019; DOI: 10.25046/aj040235
Abstract:

The telecommunications industry continues to move forward with plans for 5G service with rates including 6Gb/s followed by upgrade paths promising 20Gb/s. Despite advances in wireless technology associated with 5G roll-outs, there remains the problem of providing sufficient backhaul throughput and efficient handling of hand-off services within the relatively small projected cell boundaries that can…

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(This article belongs to the SP6 (Special Issue on Recent Advances in Engineering Systems 2018-19) & Section Telecommunications (TEL))
Open AccessArticle
10 Pages, 3,367 KB Download PDF

Effects of Different Activation Functions for Unsupervised Convolutional LSTM Spatiotemporal Learning

Advances in Science, Technology and Engineering Systems Journal, Volume 4, Issue 2, Page # 260–269, 2019; DOI: 10.25046/aj040234
Abstract:

Convolutional LSTMs are widely used for spatiotemporal prediction. We study the effect of using different activation functions for two types of units within convolutional LSTM modules, namely gate units and non-gate units. The research provides guidance for choosing the best activation function to use in convolutional LSTMs for video prediction. Moreover, this paper studies the…

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(This article belongs to the SP7 (Special Issue on Advancement in Engineering and Computer Science 2019) & Section Interdisciplinary Applications of Computer Science (CSI))
Open AccessArticle
7 Pages, 600 KB Download PDF

Designing IT Blue Print Academic System on Higher Education with Togaf

Advances in Science, Technology and Engineering Systems Journal, Volume 4, Issue 2, Page # 244–250, 2019; DOI: 10.25046/aj040232
Abstract:

STIE XYZ is one of the universities of economics that has not been optimal in the use of information technology. IT implementation is applied when there are urgent and sudden needs. So it is not planned carefully according to the development needs of this educational institution. Therefore many patchy applications are created. As the consequence,…

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(This article belongs to Section Information Systems in Computer Science (CIS))
Open AccessArticle
7 Pages, 813 KB Download PDF

Application of The Half-Sweep Egsor Iteration for Two-Point Boundary Value Problems of Fractional Order

Advances in Science, Technology and Engineering Systems Journal, Volume 4, Issue 2, Page # 237–243, 2019; DOI: 10.25046/aj040231
Abstract:

The point of this study is to explore and elucidating the performance of the four-point Half-Sweep EGSOR (4HSEGSOR) iterative method to solve fractional two-point boundary value problems by using Caputo’s fractional operator and family of finite differences (FD) schemes. To apply the iterative methods, linear system needs to be constructed via the discretization process with…

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(This article belongs to the SP7 (Special Issue on Advancement in Engineering and Computer Science 2019) & Section Applied Mathematics (MAP))
Open AccessArticle
7 Pages, 689 KB Download PDF

Virtualization in Cloud Environment: Bandwidth Management

Advances in Science, Technology and Engineering Systems Journal, Volume 4, Issue 2, Page # 221–227, 2019; DOI: 10.25046/aj040229
Abstract:

Cloud computing recently emerged as an interesting model that enables computing and other related internet activities to take place anywhere, anytime. Cloud service providers centralize all servers, networks, and applications to allow their users’ access at any time and from any location. Cloud computing uses already existing resources like server, CPU and storage memory but…

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(This article belongs to the SP7 (Special Issue on Advancement in Engineering and Computer Science 2019) & Section Software Engineering in Computer Science (CSE))
Open AccessArticle
6 Pages, 634 KB Download PDF

Computational and Technological Models of Cognitive Monitoring Systems

Advances in Science, Technology and Engineering Systems Journal, Volume 4, Issue 2, Page # 197–202, 2019; DOI: 10.25046/aj040226
Abstract:

The approach to the construction of promising cognitive monitoring systems is considered. Based on the analysis of known solutions, the problem of automatic synthesis of computational models of cognitive monitoring is posed. In the synthesis of models, it is proposed to reduce them to relatively finite operational automata. An example of a synthesized model of…

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(This article belongs to Section Theory & Methods in Computer Science (CTM))
Open AccessArticle
7 Pages, 739 KB Download PDF

Multiple Social Metrics Based Routing Protocol in Opportunistic Mobile Social Networks

Advances in Science, Technology and Engineering Systems Journal, Volume 4, Issue 2, Page # 176–182, 2019; DOI: 10.25046/aj040223
Abstract:

In Opportunistic Mobile social networks (OMSNs), the social characteristics and behavior of humans carrying mobile devices are exploited to improve information provision and data routing in the network. Social-based routing algorithms attempt to exploit users’ social features such as similarity, centrality and betweenness, singularly or combined, to select a suitable relay node among neighbors. However,…

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(This article belongs to Section Information Systems in Computer Science (CIS))
Open AccessArticle
9 Pages, 844 KB Download PDF

Frequency-Based Design of Electric System for Off-shore Wind Power Plant (OWPP)

Advances in Science, Technology and Engineering Systems Journal, Volume 4, Issue 2, Page # 153–161, 2019; DOI: 10.25046/aj040220
Abstract:

The paper presents a novel concept of design of electric system for Off-shore Wind Power Plant (OWPP) based on frequency. In the literature, a new transmission system i.e. Fractional Frequency Transmission System (FFTS) has been proposed as an economic alternative to High Voltage AC (HVAC) and High Voltage DC (HVDC) for power transmission from Off-shore…

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(This article belongs to the SP6 (Special Issue on Recent Advances in Engineering Systems 2018-19) & Section Electrical Engineering (ELE))
Open AccessArticle
8 Pages, 903 KB Download PDF

Assessment of Coordinated Multipoint Transmission Modes for Indoor and Outdoor Users at 28 GHz in Urban Macrocellular Environment

Advances in Science, Technology and Engineering Systems Journal, Volume 4, Issue 2, Page # 119–126, 2019; DOI: 10.25046/aj040216
Abstract:

The aim of this article is to analyze and evaluate the performance of Coordinated Multipoint (CoMP) transmission approach at a frequency of 28 GHz using three dimensional ray tracing simulations in an urban macrocellular environment. The new performance metric introduced in this article is the relative power usage. Other performance metrics examined in this article…

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(This article belongs to the SP6 (Special Issue on Recent Advances in Engineering Systems 2018-19) & Section Telecommunications (TEL))
Open AccessArticle
7 Pages, 1,191 KB Download PDF

A Fuzzy PID-Based Cascade Control for Continuous Material Weighing Conveyor

Advances in Science, Technology and Engineering Systems Journal, Volume 4, Issue 2, Page # 112–118, 2019; DOI: 10.25046/aj040215
Abstract:

This article presents a nonlinear model of the continuous weighing conveyor system as considering the delay time of material transport, and then given a novel two-loop control strategy based on PID combined with fuzzy logic: inner velocity control loop and outer mass flowrate control loop. Then, two designed controllers for the velocity and mass flowrate…

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(This article belongs to Section Industrial Engineering (EID))
Open AccessArticle
5 Pages, 788 KB Download PDF

Deep Feature Representation for Face Sketch Recognition

Advances in Science, Technology and Engineering Systems Journal, Volume 4, Issue 2, Page # 107–111, 2019; DOI: 10.25046/aj040214
Abstract:

Face sketch recognition aims at matching face sketch images to face photo images. The main challenge lies in modality discrepancy between face photo and sketch images. In this work, we propose a new facial sketch-to-photo recognition approach by adopting VGG-Face deep learning network, with which face images can be represented by compact and highly discriminative…

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(This article belongs to the SP7 (Special Issue on Advancement in Engineering and Computer Science 2019) & Section Artificial Intelligence in Computer Science (CAI))
Open AccessArticle
5 Pages, 1,597 KB Download PDF

Design and Analysis of 32-bit Parallel Prefix Adders for Low Power VLSI Applications

Advances in Science, Technology and Engineering Systems Journal, Volume 4, Issue 2, Page # 102–106, 2019; DOI: 10.25046/aj040213
Abstract:

The basic processes like addition, subtraction can be done using various types of binary adders with dissimilar addition times (delay), area and power consumption in any digital processing applications. To minimize the Power Delay Product (PDP) of Digital Signal Processing (DSP) processors is necessary for high performance in Very Large Scale Integration (VLSI) applications. In…

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(This article belongs to Section Electronic Engineering (EEE))
Open AccessArticle
8 Pages, 1,120 KB Download PDF

LabVIEW Development for an Intelligent Management System of the Electrical Energy Free Market

Advances in Science, Technology and Engineering Systems Journal, Volume 4, Issue 2, Page # 83–90, 2019; DOI: 10.25046/aj040211
Abstract:

Consumers of electrical energy have looked more closely to the energy consumption in last years due to the successive increase of the electricity bill. Nowadays it is possible to notice that many consumers have been looking for ways to reduce their consumption or the value of their electricity bill. Such a cost reduction is obtained…

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(This article belongs to the SP6 (Special Issue on Recent Advances in Engineering Systems 2018-19) & Section Energy & Fuels (ENF))
Open AccessArticle
5 Pages, 1,183 KB Download PDF

Novel CPW-fed UWB antenna for X-band applications

Advances in Science, Technology and Engineering Systems Journal, Volume 4, Issue 2, Page # 78–82, 2019; DOI: 10.25046/aj040210
Abstract:

An ultra-wideband (UWB) printed antenna (PMA) powered by a compact coplanar waveguide (CPW) is featured. The propounded antenna is supposed to cover the UWB range from 7 GHz to 10 GHz, with return loss values below -10 dB in the whole frequency range, for X-band applications, often used for dense satellite communications. The 30 x…

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(This article belongs to the isaect-18 (Special Issue on Advanced Electrical and Communication Technologies 2019) & Section Telecommunications (TEL))
Open AccessArticle
5 Pages, 336 KB Download PDF

A Relation Extraction System for Indian Languages

Advances in Science, Technology and Engineering Systems Journal, Volume 4, Issue 2, Page # 65–69, 2019; DOI: 10.25046/aj040208
Abstract:

Relation Extraction is an important subtask of Information Extraction that involves extracting significant facts from natural language text. Extracting structured information from the plaintext is the ultimate goal of IE systems. The Indian language content on the internet is increasing day to day. Extracting relevant information from this huge unstructured data is a challenging task…

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(This article belongs to the SP6 (Special Issue on Recent Advances in Engineering Systems 2018-19) & Section Bioinformatics (BIF))
Open AccessArticle
20 Pages, 8,684 KB Download PDF

W.A.S.T.E. R.E.D.U.C.E.: Waste Auditing Sensor Technology to Enhance the Reduction of Edible Discards in University Cafeterias & Eateries

Advances in Science, Technology and Engineering Systems Journal, Volume 4, Issue 2, Page # 45–64, 2019; DOI: 10.25046/aj040207
Abstract:

Food waste disposal and food availability are both problems in the world today. The ability to monitor food waste is currently limited by the use of manual data collection and sparsity of monitoring. Using sensors to automate the process of measuring and collecting data on food waste would allow constant monitoring and provide a better…

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(This article belongs to the SP6 (Special Issue on Recent Advances in Engineering Systems 2018-19) & Section Food Science & Technology (FST))
Open AccessArticle
5 Pages, 1,398 KB Download PDF

Coupling of Local and Global Quantities by A Subproblem Finite Element Method – Application to Thin Region Models

Advances in Science, Technology and Engineering Systems Journal, Volume 4, Issue 2, Page # 40–44, 2019; DOI: 10.25046/aj040206
Abstract:

A method for coupling of local and global fields related to currents, voltages and magnetic fields in magnetodynamic problems is developed in the frame of the finite subproblem finite element method. The method allows to correct the errors arising from thin conducting regions, that replace volume thin regions by surfaces but neglect border effects in…

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(This article belongs to Section Electrical Engineering (ELE))
Open AccessArticle
6 Pages, 1,188 KB Download PDF

High-Temperature Optical Characterization of Wide Band Gap Light Emitting Diodes and Photodiodes for Future Power Module Application

Advances in Science, Technology and Engineering Systems Journal, Volume 4, Issue 2, Page # 17–22, 2019; DOI: 10.25046/aj040203
Abstract:

A systematic study of wide bandgap (WBG) based light emitting diodes (LEDs) and photodiodes (PDs) were conducted for the assessment of modular integration of optoelectronic devices into power modules. The temperature dependence of the photoluminescence (PL) efficiency of Indium gallium nitride/Gallium nitride (InGaN/GaN) multiple quantum wells (MQWs) material was studied from 10 to 800 K.…

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(This article belongs to the SP6 (Special Issue on Recent Advances in Engineering Systems 2018-19) & Section Optics (OPT))
Open AccessArticle
7 Pages, 810 KB Download PDF

The Chimera and the Cyborg

Advances in Science, Technology and Engineering Systems Journal, Volume 4, Issue 2, Page # 1–7, 2019; DOI: 10.25046/aj040201
Abstract:

High Performance Computing (HPC) systems offer excellent metrics for speed and efficiency when using bare metal hardware, a high speed interconnects, and massively parallel applications. However, this leaves out a significant portion of scientific computational tasks, namely high throughput computing tasks that can be trivially parallelized and scientific workflows that require their own well-defined software…

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(This article belongs to the SP5 (Special Issue on Multidisciplinary Sciences and Engineering 2018) & Section Interdisciplinary Applications of Computer Science (CSI))
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