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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
9 Pages, 882 KB Download PDF

Review on security issues in RFID systems

Advances in Science, Technology and Engineering Systems Journal, Volume 2, Issue 6, Page # 194–202, 2017; DOI: 10.25046/aj020624
Abstract:

Radio frequency Identification (RFID) is currently considered as one of the most used technologies for an automatic identification of objects or people. Based on a combination of tags and readers, RFID technology has widely been applied in various areas including supply chain, production and traffic control systems. However, despite of its numerous advantages, the technology…

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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
8 Pages, 743 KB Download PDF

Fault Tolerant Control Based on PID-type Fuzzy Logic Controller for Switched Discrete-time Systems: An Electronic Throttle Valve Application

Advances in Science, Technology and Engineering Systems Journal, Volume 2, Issue 6, Page # 186–193, 2017; DOI: 10.25046/aj020623
Abstract:

This paper deals with the problem of Fault Tolerant Control (FTC) using PID-type Fuzzy Logic Controller (FLC) for an Electronic Throttle Valve (ETV) described by a switched discrete-time system with input disturbances and actuator faults. In order to detect the faults, Unknown Input Observers (UIOs) are designed and formulated in terms of Lyapunov theory and…

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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
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
13 Pages, 383 KB Download PDF

Mealy-to-Moore Transformation – A state stable design of automata

Advances in Science, Technology and Engineering Systems Journal, Volume 2, Issue 6, Page # 162–174, 2017; DOI: 10.25046/aj020621
Abstract:

The paper shows a method of transforming an asynchronously feedbacked Mealy machine into a Moore machine. The transformation is done in dual-rail logic under the use of the RS-buffer. The transformed machine stabilizes itself and is safe to use. The transformation is visualized via KV-diagrams and calculated with formulas. We will present three use-cases for…

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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, 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
7 Pages, 1,695 KB Download PDF

Comparison of K-Means and Fuzzy C-Means Algorithms on Simplification of 3D Point Cloud Based on Entropy Estimation

Advances in Science, Technology and Engineering Systems Journal, Volume 2, Issue 5, Page # 38–44, 2017; DOI: 10.25046/aj020508
Abstract:

In this article we will present a method simplifying 3D point clouds. This method is based on the Shannon entropy. This technique of simplification is a hybrid technique where we use the notion of clustering and iterative computation. In this paper, our main objective is to apply our method on different clouds of 3D points.…

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(This article belongs to Section Applied Mathematics (MAP))
Open AccessArticle
6 Pages, 911 KB Download PDF

Analysis of Economic Load Dispatch with a lot of Constraints Using Vortex Search Algorithm

Advances in Science, Technology and Engineering Systems Journal, Volume 2, Issue 6, Page # 151–156, 2017; DOI: 10.25046/aj020619
Abstract:

In modern powers systems, one of the most considerable topics is economic load dispatch (ELD). ELD is non-linear problem and it became non-convex and non-smooth problem with some constraints such as valve point loading effect. ELD is very crucial for energy generation and distribution in power systems. For solving ELD problem, a lot of methods…

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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, 1,168 KB Download PDF

Leaf-shaped solar cell antenna for Energy Harvesting and RF Transmission in ku-band

Advances in Science, Technology and Engineering Systems Journal, Volume 2, Issue 6, Page # 130–135, 2017; DOI: 10.25046/aj020616
Abstract:

In this paper, a hybrid system solar cell antenna was studied. Our contribution lies in the combination of both optical and radio-frequency signals in a solar cell antenna. Hence, we propose a new method to merge antenna and solar cell. The leaf- shaped patch solar cell antenna was dedicated at a time to the energy…

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(This article belongs to the SP4 (Special issue on Advancement in Engineering Technology 2017-18) & Section Telecommunications (TEL))
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
5 Pages, 787 KB Download PDF

A Review of Anti- Podal Vivaldi Antenna Operating in Cellular Mobile Communications

Advances in Science, Technology and Engineering Systems Journal, Volume 2, Issue 4, Page # 204–208, 2017; DOI: 10.25046/aj020427
Abstract:

The antenna proposed is a new geomantic structure of Ultra-Wideband (UWB) Anti- Podal Vivaldi antenna (AVA). It remarkably offers an attractive performance over the bands of cellular networks. However, its benefits are not limited only in particular applications, whereas radar imaging, mining detection, the biomedical science in the heating of brain cancer tumor and treatment,…

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(This article belongs to 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, 928 KB Download PDF

A Switched-Capacitor Low-Pass Filter with Dynamic Switching Bias OP Amplifiers

Advances in Science, Technology and Engineering Systems Journal, Volume 2, Issue 6, Page # 100–106, 2017; DOI: 10.25046/aj020613
Abstract:

A switched capacitor low-pass filter employing folded-cascode CMOS OP Amps with a dynamic switching bias circuit capable of processing video signals, which enables low power consumption, and operation in wide bandwidths and low power supply voltages, is proposed. In this filter, charge transfer operations through two-phase clock pulses during the on-state period of the OP…

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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
11 Pages, 1,013 KB Download PDF

Real-Time Flux-weakening Control for an IPMSM Drive System Using a Predictive Controller

Advances in Science, Technology and Engineering Systems Journal, Volume 2, Issue 6, Page # 76–86, 2017; DOI: 10.25046/aj020610
Abstract:

This paper proposes extended-range high-speed control for an IPMSM drive system. A simple real-time tuning flux-weakening control algorithm is proposed and implemented to control an IPMSM drive system in a wide variable speed range, from 3 r/min up to 2700 r/min. This flux-weakening control algorithm does not require any motor parameters and only needs simple…

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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
8 Pages, 1,409 KB Download PDF

Smartphone Based Heart Attack Risk Prediction System with Statistical Analysis and Data Mining Approaches

Advances in Science, Technology and Engineering Systems Journal, Volume 2, Issue 3, Page # 1815–1822, 2017; DOI: 10.25046/aj0203221
Abstract:

Nowadays, Ischemic Heart Disease (IHD) (Heart Attack) is ubiquitous and one of the major reasons of death worldwide. Early screening of people at risk of having IHD may lead to minimize morbidity and mortality. A simple approach is proposed in this paper to predict risk of developing heart attack using smartphone and data mining. Clinical…

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(This article belongs to the SP3 (Special issue on Recent Advances in Engineering Systems 2017) & Section Artificial Intelligence in Computer Science (CAI))
Open AccessArticle
7 Pages, 539 KB Download PDF

A New Identification Approach of MIMO Hammerstein Model with Separate Nonlinearities

Advances in Science, Technology and Engineering Systems Journal, Volume 2, Issue 6, Page # 56–62, 2017; DOI: 10.25046/aj020607
Abstract:

A new coupled structure identification of Multi-Input Multi-Output (MIMO) Hammerstein models with separate nonlinearities is proposed. It is based on the use of the Recursive Least Squares (RLS) algorithm. A comparative study between a decoupled and coupled structures identification of MIMO Hammerstein models is discussed. A quadruple-tank process is used to illustrate the effectiveness of…

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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
7 Pages, 2,510 KB Download PDF

Flexible Aperture Tuning Solution for Cellular Main Antenna in Metallic Back Cover Mobile Phone

Advances in Science, Technology and Engineering Systems Journal, Volume 2, Issue 6, Page # 49–55, 2017; DOI: 10.25046/aj020606
Abstract:

Metal housing has been used extensively on portable communication devices such as on mobile phones and tablets.  The choice of metal housing ranges from metallic rim to metallic back cover.  This metal housing tends to improve the outlook appearance of the mobile devices, and add mechanical strength towards the mobile devices.  However, from the aspect…

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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
11 Pages, 1,263 KB Download PDF

Improved Hybrid Opponent System for Professional Military Training

Advances in Science, Technology and Engineering Systems Journal, Volume 2, Issue 3, Page # 1804–1814, 2017; DOI: 10.25046/aj0203220
Abstract:

Described herein is a general-purpose software engineering architecture for autonomous, computer controlled opponent implementation in modern maneuver warfare simulation and training. The implementation has been developed, refined, and tested in the user crucible for several years. The approach represents a hybrid application of various well-known AI techniques, including domain modeling, agent modeling, and object-oriented programming.…

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(This article belongs to the SP3 (Special issue on Recent Advances in Engineering Systems 2017) & Section Artificial Intelligence in Computer Science (CAI))
Open AccessArticle
5 Pages, 594 KB Download PDF

Optimization of Depth-Based Routing for Underwater Wireless Sensor Networks through Intelligent Assignment of Initial Energy

Advances in Science, Technology and Engineering Systems Journal, Volume 2, Issue 3, Page # 1799–1803, 2017; DOI: 10.25046/aj0203219
Abstract:

Underwater Wireless Sensor Networks (UWSNs) are extensively used to explore the diverse marine environment. Energy efficiency is one of the main concerns regarding performance of UWSNs. In a cooperative wireless sensor network, nodes with no energy are known as coverage holes. These coverage holes are created due to non-uniform energy utilization by the sensor nodes…

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(This article belongs to the SP3 (Special issue on Recent Advances in Engineering Systems 2017) & Section Telecommunications (TEL))
Open AccessArticle
9 Pages, 1,205 KB Download PDF

A New profiling and pipelining approach for HEVC Decoder on ZedBoard Platform

Advances in Science, Technology and Engineering Systems Journal, Volume 2, Issue 6, Page # 40–48, 2017; DOI: 10.25046/aj020605
Abstract:

New multimedia applications such as mobile video, high-quality Internet video or digital television requires high-performance encoding of video signals to meet technical constraints such as runtime, bandwidth or latency. Video coding standard h.265 HEVC (High Efficiency Video Coding) was developed by JCT-VC to replace the MPEG-2, MPEG-4 and h.264 codecs and to respond to these…

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(This article belongs to the SP4 (Special issue on Advancement in Engineering Technology 2017-18) & Section Telecommunications (TEL))
Open AccessArticle
12 Pages, 3,879 KB Download PDF

A novel beamforming based model of coverage and transmission costing in IEEE 802.11 WLAN networks

Advances in Science, Technology and Engineering Systems Journal, Volume 2, Issue 6, Page # 28–39, 2017; DOI: 10.25046/aj020604
Abstract:

IEEE 802.11 WLAN indoor networks face major inherent and environmental issues such as interference, noise, and obstacles. At the same time, they must provide a maximal service performance in highly changing radio environments and conformance to various applications’ requirements. For this purpose, they require a solid design approach that considers both inputs from the radio…

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(This article belongs to the SP4 (Special issue on Advancement in Engineering Technology 2017-18) & Section Telecommunications (TEL))
Open AccessArticle
8 Pages, 962 KB Download PDF

Smart Grid Operational functions and Control Challenges by Implementing SSSC Tailored to Optimize performance in between Qatar and KSA on the GCC Electrical-power grid

Advances in Science, Technology and Engineering Systems Journal, Volume 2, Issue 6, Page # 20–27, 2017; DOI: 10.25046/aj020603
Abstract:

This research work is novel technique to control and optimize SSSC (Subsynchronous Series Controller) functions with degree of precision in between Qatar and Kingdom of Saudi Arabia. The SSSC model developed and simulated in order to identify and determine its control and functioning parameters by introducing new tuning parameters based on that the SSSC can…

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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
13 Pages, 4,847 KB Download PDF

A Comparison of Mean Models and Clustering Techniques for Vertebra Detection and Region Separation from C-Spine X-Rays

Advances in Science, Technology and Engineering Systems Journal, Volume 2, Issue 3, Page # 1758–1770, 2017; DOI: 10.25046/aj0203215
Abstract:

In Computer Aided Diagnosis (CAD) tools, vertebra localization and detection are the essential steps for the diagnosis of cervical spine injuries. The accurate localization leads to accurate treatment, which is more challenging in case of poor contrast and noisy radiographs. This paper targets c-spine radiographs for the localization of vertebra using different vertebra templates, vertebra…

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(This article belongs to the SP3 (Special issue on Recent Advances in Engineering Systems 2017) & Section Artificial Intelligence in Computer Science (CAI))
Open AccessArticle
10 Pages, 1,323 KB Download PDF

A Novel Approach to Sensor and Actuator Integrity Monitoring and Fault Magnitude Reconstruction

Advances in Science, Technology and Engineering Systems Journal, Volume 2, Issue 3, Page # 1748–1757, 2017; DOI: 10.25046/aj0203214
Abstract:

This paper proposes a novel approach to sensor and actuator integrity monitoring in a dynamic system. Multiple sensor and actuator faults can be detected. Furthermore, faulty sensors and actuators are isolated by contribution analysis. Most importantly, fault magnitudes can be correctly estimated and failed sensors or actuators outputs can be reconstructed. The proposed approach is…

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(This article belongs to the SP3 (Special issue on Recent Advances in Engineering Systems 2017) & Section Automation & Control Systems (ACS))
Open AccessArticle
7 Pages, 1,135 KB Download PDF

Retrieving Dialogue History in Deep Neural Networks for Spoken Language Understanding

Advances in Science, Technology and Engineering Systems Journal, Volume 2, Issue 3, Page # 1741–1747, 2017; DOI: 10.25046/aj0203213
Abstract:

In this paper, we propose a revised version of the semantic decoder for multi-label classification task in the spoken language understanding (SLU) pilot task of the Dialog State Tracking Challenge 5 (DSTC5). Our model concatenates two deep neural networks – a Convolutional Neural Network (CNN) and a Recurrent Neural Networks (RNN) – for detecting semantic…

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(This article belongs to the SP3 (Special issue on Recent Advances in Engineering Systems 2017) & Section Interdisciplinary Applications of Computer Science (CSI))
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