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Open AccessReview
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 Special issue on Advancement in Engineering Technology 2017-18 & Section Interdisciplinary Applications of Computer Science (CSI))
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 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 Special issue on Advancement in Engineering Technology 2017-18 & Section Electronic Engineering (EEE))
Open AccessArticle
10 Pages, 495 KB Download PDF

Degenerate \(p(x)\)-elliptic equation with second membre in \(L^{1}\)

Advances in Science, Technology and Engineering Systems Journal, Volume 2, Issue 5, Page # 45–54, 2017; DOI: 10.25046/aj020509
Abstract:

In this paper, we prove the existence of a solution of the strongly nonlinear degenerate \(p(x)\)-elliptic equation of type: \(\mathcal{(P)}\left\{\begin{array}{rl} - div\; a(x,u,\nabla u) +g(x,u,\nabla u)& = f \quad in \;\Omega, \\ u = 0 \quad on \quad \partial\Omega, \end{array}\right.\) where \(\Omega\) is a bounded open subset of \( I\!\!R^{N}, N\geq 2, a\) is a…

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(This article belongs to Section Applied Mathematics (MAP))
Open AccessArticle
5 Pages, 1,186 KB Download PDF

Numerical evaluation of ABS parts fabricated by fused deposition modeling and vapor smoothing

Advances in Science, Technology and Engineering Systems Journal, Volume 2, Issue 6, Page # 157–161, 2017; DOI: 10.25046/aj020620
Abstract:

The automotive industry has focused to use polymer materials in order to increase energy efficiency. So, the industry pays attention to use 3D printing technologies using several polymers. Among several 3D printer technologies, fused deposition modeling (FDM) is one of the popular 3D printing technologies due to an inexpensive extrusion machine and multi-material printing. FDM…

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(This article belongs to the Special issue on Advancement in Engineering Technology 2017-18 & Section Manufacturing Engineering (EMF))
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 Special issue on Advancement in Engineering Technology 2017-18 & Section Electrical Engineering (ELE))
Open AccessArticle
9 Pages, 854 KB Download PDF

Distributing the computation in combinatorial optimization experiments over the cloud

Advances in Science, Technology and Engineering Systems Journal, Volume 2, Issue 6, Page # 136–144, 2017; DOI: 10.25046/aj020617
Abstract:

Combinatorial optimization is an area of great importance since many of the real-world problems have discrete parameters which are part of the objective function to be optimized. Development of combinatorial optimization algorithms is guided by the empirical study of the candidate ideas and their performance over a wide range of settings or scenarios to infer…

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(This article belongs to the Special issue on Advancement in Engineering Technology 2017-18 & Section Information Systems in Computer Science (CIS))
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 Special issue on Advancement in Engineering Technology 2017-18 & Section Telecommunications (TEL))
Open AccessReview
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 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 Special issue on Advancement in Engineering Technology 2017-18 & Section Electronic Engineering (EEE))
Open AccessArticle
6 Pages, 745 KB Download PDF

Modelling and Analysis of Radial Flux Surface Mounted Direct-Driven PMSG in Small Scale Wind Turbine

Advances in Science, Technology and Engineering Systems Journal, Volume 2, Issue 6, Page # 94–99, 2017; DOI: 10.25046/aj020612
Abstract:

This paper presents the modelling and analysis of permanent magnet synchronous generator (PMSG) which are used in direct driven small scale wind turbines. The 3 kW PM generator which is driven directly without gear system is analyzed by Ansoft Maxwell 2D RMxprt. The performance analysis of generator includes the cogging torque in two teeth, induced…

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(This article belongs to the Special issue on Advancement in Engineering Technology 2017-18 & Section Electrical Engineering (ELE))
Open AccessArticle
7 Pages, 1,127 KB Download PDF

Application of Computational Fluid Dynamics Model in High-Rise Building Wind Analysis-A Case Study

Advances in Science, Technology and Engineering Systems Journal, Volume 2, Issue 4, Page # 197–203, 2017; DOI: 10.25046/aj020426
Abstract:

Over the years, wind loading codes has been a crucial tool in determining design wind loads on buildings. Due to the limitations of these codes especially in height, wind tunnel testing is recommended as the best approach in predicting wind flow around buildings but carrying out wind tunnel testing in the preliminary as well as…

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(This article belongs to Section Construction & Building Technology (CBT))
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 Special issue on Advancement in Engineering Technology 2017-18 & Section Electronic Engineering (EEE))
Open AccessArticle
9 Pages, 890 KB Download PDF

Kalman filter Observer for SoC prediction of Lithium cells

Advances in Science, Technology and Engineering Systems Journal, Volume 2, Issue 4, Page # 180–188, 2017; DOI: 10.25046/aj020424
Abstract:

The SoC estimation of Li Ion batteries presents a difficult task for almost applications in order to ensure their higher energy density and their safety. Hence, there have been several methods to optimize the state of charge of the Lithium cells such as observer strategies which have been considered in this work. Kalman filter observer…

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(This article belongs to Section Electrical Engineering (ELE))
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 Special issue on Advancement in Engineering Technology 2017-18 & Section Telecommunications (TEL))
Open AccessArticle
7 Pages, 1,133 KB Download PDF

A Cost Effective Security Technology Integrated with RFID Based Automated Toll Collection System

Advances in Science, Technology and Engineering Systems Journal, Volume 2, Issue 3, Page # 1777–1783, 2017; DOI: 10.25046/aj0203217
Abstract:

Crime statistics and research on criminology show that under similar circumstances,crimes are more likely to occur in developing countries than in developed countries due to their lack ofsecurity measures. Transport crimes on highways and bridges are one of the most common crimes in the developing nations. Automation of various systems like the toll collection system…

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(This article belongs to the Special issue on Recent Advances in Engineering Systems 2017 & Section Information Systems in Computer Science (CIS))
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 Special issue on Recent Advances in Engineering Systems 2017 & Section Interdisciplinary Applications of Computer Science (CSI))
Open AccessArticle
14 Pages, 1,135 KB Download PDF

On Modeling Affect in Audio with Non-Linear Symbolic Dynamics

Advances in Science, Technology and Engineering Systems Journal, Volume 2, Issue 3, Page # 1727–1740, 2017; DOI: 10.25046/aj0203212
Abstract:

The discovery of semantic information from complex signals is a task concerned with connecting humans’ perceptions and/or intentions with the signals content. In the case of audio signals, complex perceptions are appraised in a listener’s mind, that trigger affective responses that may be relevant for well-being and survival. In this paper we are interested in…

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(This article belongs to the Special issue on Recent Advances in Engineering Systems 2017 & Section Interdisciplinary Applications of Computer Science (CSI))
Open AccessArticle
7 Pages, 1,056 KB Download PDF

Mathematical Model Based on Newton’s Laws and in First Thermodynamic Law of a Gas Turbine

Advances in Science, Technology and Engineering Systems Journal, Volume 2, Issue 4, Page # 173–179, 2017; DOI: 10.25046/aj020423
Abstract:

The present article explains the modeling of a Gas Turbine system; the mathematical modeling is based on fluid mechanics applying the principal energy laws such as Euler’s Law, Newton’s second Law and the first thermodynamic law to obtain the equations for mass, momentum and energy conservation; expressed as the continuity equation, the Navier-Stokes equation and…

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(This article belongs to Section Multidisciplinary Engineering (EMU))
Open AccessArticle
8 Pages, 1,199 KB Download PDF

Finite Element Modeling for Wind Response of Aluminum Wall Cladding in Tall Building

Advances in Science, Technology and Engineering Systems Journal, Volume 2, Issue 4, Page # 165–172, 2017; DOI: 10.25046/aj020422
Abstract:

This paper analyzed wind loading responses of Aluminum Wall cladding panels in Tall Building using Ikeja Lagos State Nigeria. The wind loads were calculated according to Standard and Specification From BS6399-2:1997 Using the wind speed data of Lagos state Nigeria and finite element analysis, we predicted the responses of these Aluminum wall Cladding panels to…

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(This article belongs to Section Construction & Building Technology (CBT))
Open AccessArticle
6 Pages, 885 KB Download PDF

Emotional state recognition in speech signal

Advances in Science, Technology and Engineering Systems Journal, Volume 2, Issue 3, Page # 1654–1659, 2017; DOI: 10.25046/aj0203205
Abstract:

The matters regarding speech signal processing and analyzing in terms of emotional states recognition were presented in this paper. An experiment was conducted to perform both objective and subjective emotional states recognition tests for Polish language.

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(This article belongs to the Special issue on Recent Advances in Engineering Systems 2017 & Section Telecommunications (TEL))
Open AccessArticle
10 Pages, 5,355 KB Download PDF

Soft Handoff Evaluation and Efficient Access Network Selection in Next Generation Cellular Systems

Advances in Science, Technology and Engineering Systems Journal, Volume 2, Issue 3, Page # 1616–1625, 2017; DOI: 10.25046/aj0203201
Abstract:

The increased motivation (by service providers) to offer user-centric and seamless communication services – that satisfies users’ quality of experience (QoE), has manifested a myriad of challenges in the field of wireless communication; and given the increased traffic capacity and sudden explosion of cellular devices, communication systems are constantly threatened by performance related issues –…

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(This article belongs to the Special issue on Recent Advances in Engineering Systems 2017 & Section Telecommunications (TEL))
Open AccessArticle
7 Pages, 952 KB Download PDF

An Ontology-Based Temporal Scheduling and Complexity Reduction Model for Timetabling Knowledge Management

Advances in Science, Technology and Engineering Systems Journal, Volume 2, Issue 3, Page # 1585–1591, 2017; DOI: 10.25046/aj0203197
Abstract:

Technological tools such as Semantic Web and ontologies have contributed immensely to the reduction of most managerial complexities on daily basis. However, most resolved complexities are solely dependent on the emerging issues which are not general enough to accommodate some specific domain challenges. Temporal scheduling complexities occur in several domains including timetabling, but inter-departmental courses…

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(This article belongs to the Special issue on Recent Advances in Engineering Systems 2017 & Section Interdisciplinary Applications of Computer Science (CSI))
Open AccessArticle
12 Pages, 3,522 KB Download PDF

Planning an Availability Demonstration Test with Consideration of Confidence Level

Advances in Science, Technology and Engineering Systems Journal, Volume 2, Issue 3, Page # 1565–1576, 2017; DOI: 10.25046/aj0203195
Abstract:

The full service life of a technical product or system is usually not completed after an initial failure. With appropriate measures, the system can be returned to a functional state. Availability is an important parameter for evaluating such repairable systems: Failure and repair behaviors are required to determine this availability. These data are usually given…

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