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Open AccessArticle
7 Pages, 751 KB Download PDF

Community Detection in Social Network with Outlier Recognition

Advances in Science, Technology and Engineering Systems Journal, Volume 3, Issue 2, Page # 21–27, 2018; DOI: 10.25046/aj030203
Abstract:

Exploring communities and outliers in Social Network is based on considering of some nodes have overlapped neighbor node within the same group as well as some nodes have no any link to the other node or have no any overlapped value. The existing approaches are based on the overlapping community detection method were only defined…

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(This article belongs to the SP4 (Special issue on Advancement in Engineering Technology 2017-18) & Section Interdisciplinary Applications of Computer Science (CSI))
Open AccessArticle
16 Pages, 3,319 KB Download PDF

Two-Stage Performance Engineering of Container-based Virtualization

Advances in Science, Technology and Engineering Systems Journal, Volume 3, Issue 1, Page # 521–536, 2018; DOI: 10.25046/aj030163
Abstract:

Cloud computing has become a compelling paradigm built on compute and storage virtualization technologies. The current virtualization solution in the Cloud widely relies on hypervisor-based technologies. Given the recent booming of the container ecosystem, the container-based virtualization starts receiving more attention for being a promising alternative. Although the container technologies are generally considered to be…

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(This article belongs to the SP4 (Special issue on Advancement in Engineering Technology 2017-18) & Section Information Systems in Computer Science (CIS))
Open AccessArticle
9 Pages, 847 KB Download PDF

Computation of Viability Kernels on Grid Computers for Aircraft Control in Windshear

Advances in Science, Technology and Engineering Systems Journal, Volume 3, Issue 1, Page # 502–510, 2018; DOI: 10.25046/aj030161
Abstract:

This paper is devoted to the analysis of aircraft dynamics in the cruise flight phase under windshear conditions. The study is conducted with reference to a point-mass aircraft model restricted to move in a vertical plane. We formulate the problem as a differential game against the wind disturbances: The first player, autopilot, manages, via additional…

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(This article belongs to the SP4 (Special issue on Advancement in Engineering Technology 2017-18) & Section Aerospace Engineering (EAR))
Open AccessArticle
11 Pages, 332 KB Download PDF

Structure-Preserving Modeling of Safety-Critical Combinational Circuits

Advances in Science, Technology and Engineering Systems Journal, Volume 3, Issue 1, Page # 472–482, 2018; DOI: 10.25046/aj030158
Abstract:

In this work, a representative combinational circuit is visualized in various ways. It is abstracted (concretized) from transistor level to gate level and a structure-preserving transition is carried out into a signal flow graph. For creating a signal flow plan it is necessary to swap the nodes and the edges in the signal flow graph.…

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(This article belongs to the SP4 (Special issue on Advancement in Engineering Technology 2017-18) & Section Electronic Engineering (EEE))
Open AccessArticle
7 Pages, 1,106 KB Download PDF

Performance Analysis of Regenerative Braking in Permanent Magnet Synchronous Motor Drives

Advances in Science, Technology and Engineering Systems Journal, Volume 3, Issue 1, Page # 460–466, 2018; DOI: 10.25046/aj030156
Abstract:

This paper describes the design and analysis of a regenerative braking system for a permanent magnet synchronous motor (PMSM) drive for electric vehicle (EV) applications. First studied is the principle for electric braking control of a PMSM motor under field-oriented control (FOC). Next, the maximum braking torque in the regeneration mode as well as the…

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(This article belongs to the SP4 (Special issue on Advancement in Engineering Technology 2017-18) & Section Electrical Engineering (ELE))
Open AccessArticle
8 Pages, 1,302 KB Download PDF

Systematic Tool Support of Engineering Education Performance Management

Advances in Science, Technology and Engineering Systems Journal, Volume 3, Issue 1, Page # 418–425, 2018; DOI: 10.25046/aj030151
Abstract:

Engineering schools must adopt or develop their own systems and processes for graduate attribute assessment. In this paper, we take a systems engineering approach to graduate attribute assessment and propose a system architecture and tool-supported continuous improvement process with key algorithms and mathematical analysis to process the data and provide performance management reporting. Over several…

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(This article belongs to the SP4 (Special issue on Advancement in Engineering Technology 2017-18) & Section Interdisciplinary Applications of Computer Science (CSI))
Open AccessArticle
5 Pages, 813 KB Download PDF

Innovative design with learning reflexiveness for developing the Hamiltonian circuit learning games

Advances in Science, Technology and Engineering Systems Journal, Volume 3, Issue 1, Page # 352–356, 2018; DOI: 10.25046/aj030143
Abstract:

In this study, we use a new proposed framework to develop the Hamiltonian circuit learning games for college students. The framework is for enhancing learners’ activities with learning reflexiveness. The design of these games is based on this framework to achieve the targeted learning outcomes. In recent years, the game-based learning is a very popular…

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(This article belongs to the SP4 (Special issue on Advancement in Engineering Technology 2017-18) & Section Interdisciplinary Applications of Computer Science (CSI))
Open AccessArticle
4 Pages, 618 KB Download PDF

LabVIEW-based data acquisition system for Diode I-V Characterization

Advances in Science, Technology and Engineering Systems Journal, Volume 3, Issue 1, Page # 348–351, 2018; DOI: 10.25046/aj030142
Abstract:

This work describes computerized data acquisition system for current-voltage (I-V) characteristics of diodes. The proposed system consist of a personal computer pre-installed with LabVIEW, two units of power supply, an interface board, current and voltage sensors. Two devices under test (DUTs) are selected namely 1N4007 silicon and 1N34 germanium diodes. The current flow through the…

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(This article belongs to the SP4 (Special issue on Advancement in Engineering Technology 2017-18) & Section Electronic Engineering (EEE))
Open AccessArticle
6 Pages, 2,704 KB Download PDF

Signal-Based Metamodels for Predictive Reliability Analysis and Virtual Testing

Advances in Science, Technology and Engineering Systems Journal, Volume 3, Issue 1, Page # 342–347, 2018; DOI: 10.25046/aj030141
Abstract:

In the current industrial development, an increasing number of sensors is applied for monitoring of any kind of appliances and machines. A predictive mathematical model allows for realistic assessment of the health state of the appliance, indication of service requirements, as well as control of the appliance, serving as so-called digital twin on a control…

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(This article belongs to the SP4 (Special issue on Advancement in Engineering Technology 2017-18) & Section Aerospace Engineering (EAR))
Open AccessArticle
5 Pages, 652 KB Download PDF

Medium Voltage Microgrid Test Setup and Procedures Implemented on a Real Pilot Project

Advances in Science, Technology and Engineering Systems Journal, Volume 3, Issue 1, Page # 234–238, 2018; DOI: 10.25046/aj030128
Abstract:

This paper presents various concepts related to the application of a microgrid pilot project in a residential condominium at Fortaleza / CE – Brazil, such as battery energy system, renewable and distributed generation, islanding recloser and all different units using interface based on power electronics. This papers main objective is to create information about microgrid…

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(This article belongs to the SP4 (Special issue on Advancement in Engineering Technology 2017-18) & Section Electrical Engineering (ELE))
Open AccessArticle
8 Pages, 1,173 KB Download PDF

Design of an Automatic Forward and Back Collision Avoidance System for Automobiles

Advances in Science, Technology and Engineering Systems Journal, Volume 3, Issue 1, Page # 205–212, 2018; DOI: 10.25046/aj030124
Abstract:

This paper is the extended reflection of work originally presented in conference of Electrical, Computer and Communication Engineering (ECCE)-CUET 2017, entitled “Automated Anti Collision System for Automobiles”. Automated collision avoidance system is a trending technology of science in automobile engineering. The aim of this paper is to design a system which will prevent collision from…

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(This article belongs to the SP4 (Special issue on Advancement in Engineering Technology 2017-18) & Section Transportation Science & Technology (TST))
Open AccessArticle
13 Pages, 1,427 KB Download PDF

Algorithms for Technical Integration of Virtual Power Plants into German System Operation

Advances in Science, Technology and Engineering Systems Journal, Volume 3, Issue 1, Page # 135–147, 2018; DOI: 10.25046/aj030117
Abstract:

This paper critically evaluates the operational perspective of Virtual Power Plants (VPP) in Germany by analyzing key factors to replace conventional power plants in the future power system. Therefore, its necessity for the secure operation as well as the technical and economic benefits for the German power system are pointed out. The single sections describe…

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(This article belongs to the SP4 (Special issue on Advancement in Engineering Technology 2017-18) & Section Electrical Engineering (ELE))
Open AccessArticle
6 Pages, 1,518 KB Download PDF

Impact of Crosstalk on Signal Integrity of TSVs in 3D Integrated Circuits

Advances in Science, Technology and Engineering Systems Journal, Volume 3, Issue 1, Page # 109–114, 2018; DOI: 10.25046/aj030113
Abstract:

Through-Silicon-Vias (TSVs) are utilized for high density 3D integration, which induce crosstalk problems and impact signal integrity. This paper focuses on TSV crosstalk characterization in 3D integrated circuits, where several TSV physical and environmental configurations are investigated. In particular, this work shows a detailed study on the influence of signal-ground TSV locations, distances and their…

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(This article belongs to the SP4 (Special issue on Advancement in Engineering Technology 2017-18) & Section Electronic Engineering (EEE))
Open AccessArticle
12 Pages, 1,071 KB Download PDF

A Perfect Ecosystem for Learning? Modern Thoughts for Organizing Higher Education

Advances in Science, Technology and Engineering Systems Journal, Volume 3, Issue 1, Page # 82–93, 2018; DOI: 10.25046/aj030110
Abstract:

The background of the article lies in South Eastern Finland, in Lappeenranta, where an active University campus has attracted a group of ICT startups as well as SME’s in the field to collaboration. The novel education approach also has another remarkable role as a developer and source of innovation. An experimental development ecosystem (EDE), where…

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(This article belongs to the SP4 (Special issue on Advancement in Engineering Technology 2017-18) & Section Interdisciplinary Applications of Computer Science (CSI))
Open AccessArticle
10 Pages, 3,659 KB Download PDF

Numerical Solution of Fuzzy Differential Equations with Z-numbers using Fuzzy Sumudu Transforms

Advances in Science, Technology and Engineering Systems Journal, Volume 3, Issue 1, Page # 66–75, 2018; DOI: 10.25046/aj030108
Abstract:

The uncertain nonlinear systems can be modeled with fuzzy differential equations (FDEs) and the solutions of these equations are applied to analyze many engineering problems. However, it is very difficult to obtain solutions of FDEs. In this paper, the solutions of FDEs are approximated by utilizing the fuzzy Sumudu transform (FST) method. Here, the uncertainties…

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(This article belongs to the SP4 (Special issue on Advancement in Engineering Technology 2017-18) & Section Automation & Control Systems (ACS))
Open AccessArticle
17 Pages, 921 KB Download PDF

Improving System Reliability Assessment of Safety-Critical Systems using Machine Learning Optimization Techniques

Advances in Science, Technology and Engineering Systems Journal, Volume 3, Issue 1, Page # 49–65, 2018; DOI: 10.25046/aj030107
Abstract:

Quality assurance of modern-day safety-critical systems is continually facing new challenges with the increase in both the level of functionality they provide and their degree of interaction with their environment. We propose a novel selection method for black-box regression testing on the basis of machine learning techniques for increasing testing efficiency. Risk-aware selection decisions are…

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(This article belongs to the SP4 (Special issue on Advancement in Engineering Technology 2017-18) & Section Software Engineering in Computer Science (CSE))
Open AccessArticle
11 Pages, 1,062 KB Download PDF

Framework for the Formal Specification and Verification of Security Guidelines

Advances in Science, Technology and Engineering Systems Journal, Volume 3, Issue 1, Page # 38–48, 2018; DOI: 10.25046/aj030106
Abstract:

Ensuring the compliance of developed software with general and application-specific security requirements is a challenging task due to the lack of automatic and formal means to lead this verification. In this paper, we present our approach that aims at integrating the formal specification and verification of security guidelines in early stages of the development lifecycle…

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(This article belongs to the SP4 (Special issue on Advancement in Engineering Technology 2017-18) & Section Information Systems in Computer Science (CIS))
Open AccessArticle
9 Pages, 1,109 KB Download PDF

Heuristic Based Approach for Voltage Stability Improvement using FACTS Devices

Advances in Science, Technology and Engineering Systems Journal, Volume 2, Issue 6, Page # 252–260, 2017; DOI: 10.25046/aj020630
Abstract:

The aim of this paper is to develop a hybrid device for voltage stability enhancement using two kinds of FACTS (Flexible AC Transmission System) namely SVC (Static Var Compensator) and TCSC (Thyristor Controlled Series Capacitor). The idea behind the proposed method is to maintain safe and satisfactory power system operation in a lesser costing manner…

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(This article belongs to the SP4 (Special issue on Advancement in Engineering Technology 2017-18) & Section Electrical Engineering (ELE))
Open AccessArticle
10 Pages, 1,329 KB Download PDF

Efficiency Assessment of Plasma-Aided Porous Media Surface Finishing

Advances in Science, Technology and Engineering Systems Journal, Volume 2, Issue 6, Page # 242–251, 2017; DOI: 10.25046/aj020629
Abstract:

The efficiency of a plasma-aided finishing process, namely capillary impregnation, can be predicted only by setting two basic parameters of the real wood porous surface and the actual impregnating solution – surface free energy and surface tension. In general, the following processing efficiency parameter was found and the rule is true: “The plasma aided or…

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(This article belongs to the SP4 (Special issue on Advancement in Engineering Technology 2017-18) & Section Chemical Engineering (ENC))
Open AccessArticle
14 Pages, 2,481 KB Download PDF

Novel Analysis of Synchronous and Induction Generators in Parallel Operation Mode in an Isolated Electric System

Advances in Science, Technology and Engineering Systems Journal, Volume 2, Issue 6, Page # 203–216, 2017; DOI: 10.25046/aj020625
Abstract:

This paper presents an analysis of a parallel connection of one synchronous generator and one self-excited induction generator that feeds a resistive load and an Induction Motor. The system voltage and frequency are controlled by a voltage control loop and a speed control loop connected to synchronous generator. The induction generator speed is controlled by…

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(This article belongs to the SP4 (Special issue on Advancement in Engineering Technology 2017-18) & Section Electrical Engineering (ELE))
Open AccessArticle
11 Pages, 1,073 KB Download PDF

Data Exchange Strategies for Aggregating Geographical Distribution of Demands for Location-Dependent Information Using Soft-State Sketches in VANETs

Advances in Science, Technology and Engineering Systems Journal, Volume 2, Issue 6, Page # 175–185, 2017; DOI: 10.25046/aj020622
Abstract:

When we drive a car, we often want to know the circumstances of roads between the current location and the destination. Ishihara et al. proposed a Vehicular ad-hoc NETworks (VANET) -based information sharing system, called the Real-Time Visual Car Navigation System, in which a driver can obtain Location-Dependent Information (LDI), such as photographs or videos…

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(This article belongs to the SP4 (Special issue on Advancement in Engineering Technology 2017-18) & Section Transportation Science & Technology (TST))
Open AccessArticle
7 Pages, 942 KB Download PDF

Petrov-Galerkin formulation for compressible Euler and Navier-Stokes equations

Advances in Science, Technology and Engineering Systems Journal, Volume 2, Issue 5, Page # 63–69, 2017; DOI: 10.25046/aj020511
Abstract:

The resolution of the Navier-Stokes and Euler equations by the finite element method is the focus of this paper. These equations are solved in conservative form using, as unknown variables, the so-called conservative variables (density, momentum per unit volume and total energy per unit volume). The variational formulation developed is a variant of the Petrov-Galerkin…

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(This article belongs to Section Applied Mathematics (MAP))
Open AccessArticle
11 Pages, 2,228 KB Download PDF

Control of a three-stage medium voltage solid-state transformer

Advances in Science, Technology and Engineering Systems Journal, Volume 2, Issue 6, Page # 119–129, 2017; DOI: 10.25046/aj020615
Abstract:

This paper proposes the modeling and control of a Solid-State Transformer using a three-stage conversion topology. First, a rectification stage is used, where a three-phase high-voltage AC signal is converted to a DC level; this stage is then followed by a DC-DC converter, and finally an inverter is used to convert the DC into a…

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(This article belongs to the SP4 (Special issue on Advancement in Engineering Technology 2017-18) & Section Electrical Engineering (ELE))
Open AccessArticle
12 Pages, 1,921 KB Download PDF

Cognitive Cybernetics vs. Captology

Advances in Science, Technology and Engineering Systems Journal, Volume 2, Issue 6, Page # 107–118, 2017; DOI: 10.25046/aj020614
Abstract:

In acronym Captology – Computers as Persuasive Technology, a persuasive component (lat. persuasibilibus – enticing) refers to the persuasive stimulation by intelligent technologies. Latter being transitive and interactive as intelligent systems, they have imposed, by their persuasivity, a ‘cult of information’, after which information has become a type of goods that as a utilitarian resource…

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(This article belongs to the SP4 (Special issue on Advancement in Engineering Technology 2017-18) & Section Information Systems in Computer Science (CIS))
Open AccessArticle
7 Pages, 870 KB Download PDF

Discovering Interesting Biological Patterns in the Context of Human Protein-Protein Interaction Network and Gene Disease Profile Data

Advances in Science, Technology and Engineering Systems Journal, Volume 2, Issue 6, Page # 87–93, 2017; DOI: 10.25046/aj020611
Abstract:

The current advances in proteomic and transcriptomic technologies produced huge amounts of high-throughput data that spans multiple biological processes and characteristics in different organisms. One of the important directions in today’s bioinformatics research is to discover patterns of genes that have interesting properties. These groups of genes can be referred to as functional modules. Detecting…

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(This article belongs to the SP4 (Special issue on Advancement in Engineering Technology 2017-18) & Section Biochemistry & Molecular Biology (BMB))
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