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8 Pages, 795 KB Download PDF

Actuator Fault Reconstruction based Adaptive Polytopic Observer for a Class of Continuous-Time LPV Systems

Advances in Science, Technology and Engineering Systems Journal, Volume 3, Issue 1, Page # 443–450, 2018; DOI: 10.25046/aj030154
Abstract:

This paper is an extension of work originally presented in conference name. The goal is to propose new fault detection and fault isolation techniques for a polytypic linear parameter-varying system (LPV). In this work, an adaptive observer design is formulated for a given polyquadratic Lyapunov function. Subsequently, new sufficient conditions are given in terms 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
8 Pages, 816 KB Download PDF

Co-designed accelerator for homomorphic encryption applications

Advances in Science, Technology and Engineering Systems Journal, Volume 3, Issue 1, Page # 426–433, 2018; DOI: 10.25046/aj030152
Abstract:

Fully Homomorphic Encryption (FHE) is considered as a key cryptographic tool in building a secure cloud computing environment since it allows computing arbitrary functions directly on encrypted data. However, existing FHE implementations remain impractical due to very high time and resource costs. These costs are essentially due to the computationally intensive modular polynomial multiplication. In…

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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, 718 KB Download PDF

The method of correlation investigation of acoustic signals with priority placement of microphones

Advances in Science, Technology and Engineering Systems Journal, Volume 3, Issue 1, Page # 412–417, 2018; DOI: 10.25046/aj030150
Abstract:

Examples of analytical calculations of the system characteristics of the hardware and time complexity of the correlation system based on a certain number of microphones and the corresponding number of interrelations are presented. The structural solutions of the hardware special processor implementation of such class of multichannel devices for recognition and identification of types and…

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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
10 Pages, 415 KB Download PDF

Decentralized Control Approaches of Large-Scale Interconnected Systems

Advances in Science, Technology and Engineering Systems Journal, Volume 3, Issue 1, Page # 394–403, 2018; DOI: 10.25046/aj030148
Abstract:

In this paper, we investigate the decentralized control problem for largescale interconnected systems. The synthesis of the decentralized controller consists in determining gains which ensure the stability of the global system. To calculate these gains, three approaches are presented. Our main contribution is to develop a new decentralized stabilization approach which the decentralized local gains…

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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
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
13 Pages, 3,139 KB Download PDF

Mission Profile Analysis of a SiC Hybrid Module for Automotive Traction Inverters and its Experimental Power-loss Validation with Electrical and Calorimetric Methods

Advances in Science, Technology and Engineering Systems Journal, Volume 3, Issue 1, Page # 329–341, 2018; DOI: 10.25046/aj030140
Abstract:

This paper investigates the efficiency benefits of replacing the Silicon diodes of a commercial IGBT module for the main inverter application of an electric vehicle with Silicon Carbide diodes, leaving the package, operating conditions and the system unchanged. This ensures that the comparison is directly between the chip technologies without any scope for discrepancies arising…

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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
13 Pages, 1,436 KB Download PDF

The Use of LMS AMESim in the Fault Diagnosis of a Commercial PEM Fuel Cell System

Advances in Science, Technology and Engineering Systems Journal, Volume 3, Issue 1, Page # 297–309, 2018; DOI: 10.25046/aj030136
Abstract:

The world’s pollution rates have been increasing exponentially due to the many reckless lifestyle practices of human beings as well as their choices of contaminating power sources. Eventually, this lead to a worldwide awareness on the risks of those power sources, and in turn, a movement towards the exploration and deployment of several green technologies…

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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
7 Pages, 462 KB Download PDF

Stabilization of constrained uncertain systems by an off-line approach using zonotopes

Advances in Science, Technology and Engineering Systems Journal, Volume 3, Issue 1, Page # 281–287, 2018; DOI: 10.25046/aj030134
Abstract:

In this paper, stabilization of uncertain systems was established using zonotopic sets. The obtained state feedback control laws are computed by an off-line approach reducing computational burdens. The resolution of a robust model predictive control (MPC) allows computing a sequence of state feedback control laws corresponding to a sequence of zonotopic invariant sets. The implemented…

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(This article belongs to Section Automation & Control Systems (ACS))
Open AccessArticle
7 Pages, 694 KB Download PDF

A Survey of Security Challenges in Internet of Things

Advances in Science, Technology and Engineering Systems Journal, Volume 3, Issue 1, Page # 274–280, 2018; DOI: 10.25046/aj030133
Abstract:

Internet of things (IoT) is an innovative technology subject to all kind of imaginary and science fictional solutions. Dreams and speculations are still possible about it. A technology combining real life objects and virtual life (Internet) is indeed a fertile pitch of fantasy and original ideas. However, IoT has in practice to face several challenges…

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(This article belongs to Section Telecommunications (TEL))
Open AccessArticle
9 Pages, 1,587 KB Download PDF

Constant Envelope DCT based OFDM System with M-ary PAM Mapper over Fading Channels

Advances in Science, Technology and Engineering Systems Journal, Volume 3, Issue 1, Page # 252–260, 2018; DOI: 10.25046/aj030131
Abstract:

Constant Envelope Discrete Cosine Transform based Orthogonal Frequency Division Multiplexing (CE-DCT-OFDM) system with M-ary Pulse Amplitude Modulation (PAM) mapper is considered. In the system phase modulation is used to achieve constant envelope signals that have 0 dB Peak-to-Average-Power Ratio (PAPR). Transmission of such signals permit high power amplifiers in the system to operate with maximum…

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(This article belongs to the SP4 (Special issue on Advancement in Engineering Technology 2017-18) & Section Telecommunications (TEL))
Open AccessArticle
5 Pages, 629 KB Download PDF

Approximate method of analysis of log-periodic antennas with in-phase currents

Advances in Science, Technology and Engineering Systems Journal, Volume 3, Issue 1, Page # 239–243, 2018; DOI: 10.25046/aj030129
Abstract:

Log-periodic antennas have high electrical characteristics over a wide frequency range. The large length of the antennas is their significant disadvantage caused by the fact that each active region consisting of several radiators operates in a narrow frequency range. To extend this range, it is proposed to use radiators with concentrated capacitive loads, providing in-phase…

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(This article belongs to the SP4 (Special issue on Advancement in Engineering Technology 2017-18) & Section Telecommunications (TEL))
Open AccessArticle
9 Pages, 1,189 KB Download PDF

Velocity obstacles for car-like mobile robots: Determination of colliding velocity and curvature pairs

Advances in Science, Technology and Engineering Systems Journal, Volume 3, Issue 1, Page # 225–233, 2018; DOI: 10.25046/aj030127
Abstract:

This paper addresses the motion planning problem of Reeds-Shepp-type car-like mobile robots moving among static and dynamic obstacles. If the positions and the velocity vectors of the obstacles are known or well estimated, the Velocity Obstacles (VO) method and its non-linear version (NLVO) can be used to plan a collision-free trajectory for a robot in…

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(This article belongs to the SP4 (Special issue on Advancement in Engineering Technology 2017-18) & Section Robotics (ROB))
Open AccessArticle
7 Pages, 773 KB Download PDF

Domain Independent Feature Extraction using Rule Based Approach

Advances in Science, Technology and Engineering Systems Journal, Volume 3, Issue 1, Page # 218–224, 2018; DOI: 10.25046/aj030126
Abstract:

Sentiment analysis is one of the most popular information extraction tasks both from business and research prospective. From the standpoint of research, sentiment analysis relies on the methods developed for natural language processing and information extraction. One of the key aspects of it is the opinion word lexicon. Product’s feature from online reviews is an…

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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, 933 KB Download PDF

A High Efficiency Ultra Thin (1.8 um) CdS/CdTe p-i-n Solar Cell with CdTe and Si as BSF layer

Advances in Science, Technology and Engineering Systems Journal, Volume 3, Issue 1, Page # 213–217, 2018; DOI: 10.25046/aj030125
Abstract:

CdTe-based photovoltaic (PV) cells provide the lowest EBPT (energy payback time) and emit less amount of GHG (green house gases) among different types of PV cells. Thus, it is very essential to enhance the efficiency of CdTe-based solar cells. A high efficiency CdTe/CdS p-i-n heterostructure solar cell is designed and the performance of the cell…

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(This article belongs to the SP4 (Special issue on Advancement in Engineering Technology 2017-18) & Section Composites in Materials Science (MCM))
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
23 Pages, 1,293 KB Download PDF

Linear algebra as an alternative approach to the synthesis of digital devices of automation and control systems

Advances in Science, Technology and Engineering Systems Journal, Volume 3, Issue 1, Page # 168–190, 2018; DOI: 10.25046/aj030121
Abstract:

The article considers linear algebra as an alternative mathematical tool of logic synthesis of digital structures to Boolean algebra and synthesis methods of digital electronic component base (ECB) on its ground. The methods of solving the applied problems of logic synthesis are shown, including the expansion of an arbitrary logic function by means of monotonic…

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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, 1,001 KB Download PDF

Development of Indicators for Technical Condition Indexing of Power Transformers

Advances in Science, Technology and Engineering Systems Journal, Volume 3, Issue 1, Page # 148–154, 2018; DOI: 10.25046/aj030118
Abstract:

Reliable operation of a power transformer with a certain load depends on the technical condition of individual construction parts and the ability to prevent defects that can cause a failure. During the lifecycle of a transformer, valuable data is constantly accumulated, which forms the basis for technical or risk assessment of the equipment. Therefore it…

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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, 2,550 KB Download PDF

Modelling of the resistance heating of the moving molybdenum sheet

Advances in Science, Technology and Engineering Systems Journal, Volume 3, Issue 1, Page # 130–134, 2018; DOI: 10.25046/aj030116
Abstract:

This article describes the modeling procedure of a direct resistive heat model of the molybdenum sheet and its simulation with electrodes made from various materials. The main characteristic of the proposed model is its dynamic behavior, because model considers the movement of the molybdenum sheet. The simulation results are mutually compared and the optimal material…

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(This article belongs to the SP4 (Special issue on Advancement in Engineering Technology 2017-18) & Section Composites in Materials Science (MCM))
Open AccessArticle
5 Pages, 389 KB Download PDF

A 3D Full Wave Inversion (FWI) Analysis for Handheld Ground Penetrating Radar (GPR)

Advances in Science, Technology and Engineering Systems Journal, Volume 3, Issue 1, Page # 125–129, 2018; DOI: 10.25046/aj030115
Abstract:

This paper reports the results of an empirical, 3D full wave inversion (FWI) numerical analysis which provides an estimation of the performance of multi-static handheld ground penetrating radar (GPR,) compared to a bi-static system, for landmine detection using FWI imaging. The experiments are based on simulated data and provide a more realistic evaluation of the…

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(This article belongs to the SP4 (Special issue on Advancement in Engineering Technology 2017-18) & Section Geochemistry & Geophysics (GCP))
Open AccessArticle
10 Pages, 972 KB Download PDF

Constructing Learning-by-Doing Pedagogical Model for Delivering 21st Century Engineering Education

Advances in Science, Technology and Engineering Systems Journal, Volume 3, Issue 1, Page # 115–124, 2018; DOI: 10.25046/aj030114
Abstract:

The United Arab Emirates (UAE) is dedicated to establishing the best teaching and learning environment for students and staff across all higher education institutions. To heed this call, the engineering division adopted the Learning-by-Doing (LBD) pedagogical philosophy for 21st Century education at the heart of its strategic directions. This study intends to explore how LBD…

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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
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
9 Pages, 959 KB Download PDF

Auto-Encoder based Deep Learning for Surface Electromyography Signal Processing

Advances in Science, Technology and Engineering Systems Journal, Volume 3, Issue 1, Page # 94–102, 2018; DOI: 10.25046/aj030111
Abstract:

Feature extraction is taking a very vital and essential part of bio-signal processing. We need to choose one of two paths to identify and select features in any system. The most popular track is engineering handcrafted, which mainly depends on the user experience and the field of application. While the other path is feature learning,…

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(This article belongs to the SP4 (Special issue on Advancement in Engineering Technology 2017-18) & Section Artificial Intelligence in Computer Science (CAI))
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))
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