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Open AccessArticle
12 Pages, 819 KB Download PDF

DFIG Defects Diagnosis Method for Wind Energy Conversion Chain

Advances in Science, Technology and Engineering Systems Journal, Volume 4, Issue 5, Page # 174–185, 2019; DOI: 10.25046/aj040523
Abstract:

This paper is an extension of research work originally presented in 2018 IEEE fifth International Congress on Information Science and Technology (CiSt). The research consists on developing method to diagnose electrical defects affecting wind turbine doubly-fed induction generator DFIG which constitutes a crucial part of wind energy conversion chain. First off all, we create a…

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(This article belongs to the SP8 (Special Issue on Multidisciplinary Sciences and Engineering 2019-20) & Section Electrical Engineering (ELE))
Open AccessArticle
11 Pages, 3,149 KB Download PDF

Chatting with Plants (Orchids) in Automated Smart Farming using IoT, Fuzzy Logic and Chatbot

Advances in Science, Technology and Engineering Systems Journal, Volume 4, Issue 5, Page # 163–173, 2019; DOI: 10.25046/aj040522
Abstract:

Plants are living organisms that can hear and recognize the environment around them but cannot communicate to inform their needs. Thus, in the past, humans thought that it was impossible to communicate with plants. However, in this modern era, humans can be able to communicate with these plants. In this paper, we propose a model…

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(This article belongs to the SP8 (Special Issue on Multidisciplinary Sciences and Engineering 2019-20) & Section Agricultural Engineering (AEN))
Open AccessArticle
8 Pages, 1,251 KB Download PDF

Application of Fractal Algorithms to Identify Cardiovascular Diseases in ECG Signals

Advances in Science, Technology and Engineering Systems Journal, Volume 4, Issue 5, Page # 143–150, 2019; DOI: 10.25046/aj040519
Abstract:

The aim of this article was the identification of cardiovascular diseases, after applying Katz and Higuchi fractal algorithms on 4 databases of ECG signals downloaded from the Physionet website: heart failure (HF), hypertension (H), ischemic heart disease (IHD) and normal sinus rhythm (NSR). For this purpose, initially the ECG signals passed through a filtering stage…

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(This article belongs to Section Biomedical Engineering (EBI))
Open AccessArticle
6 Pages, 1,292 KB Download PDF

pH Neutralization Process Control based on Active Disturbance Rejection Control

Advances in Science, Technology and Engineering Systems Journal, Volume 4, Issue 5, Page # 104–109, 2019; DOI: 10.25046/aj040513
Abstract:

This paper considers active disturbance rejection control (ADRC) as a new control approach for pH neutralization process. The pH process is challenging to control due to its sensitivity to disturbance, nonlinear dynamics, and time-varying characteristics. Special attention is paid to the impact of disturbances typically exists in the chemical process. First, the pH neutralization process…

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(This article belongs to the SP7 (Special Issue on Advancement in Engineering and Computer Science 2019) & Section Automation & Control Systems (ACS))
Open AccessArticle
7 Pages, 1,204 KB Download PDF

Toward a Smart Campus Using IoT: Framework for Safety and Security System on a University Campus

Advances in Science, Technology and Engineering Systems Journal, Volume 4, Issue 5, Page # 97–103, 2019; DOI: 10.25046/aj040512
Abstract:

Recently, there is an enormous research on the smart campus concept due to the revolution of the IoT technologies. The motivation of this paper is to: reinforce the safety on campus, reduce the cost, and take one step forward toward a University smart campus. In this paper, we are not only proposing a framework that…

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(This article belongs to the SP7 (Special Issue on Advancement in Engineering and Computer Science 2019) & Section Information Systems in Computer Science (CIS))
Open AccessArticle
9 Pages, 770 KB Download PDF

The Effect of Fuel Additives on Pyrorated Biodiesel Blends on the Performance of a Diesel Power Generator

Advances in Science, Technology and Engineering Systems Journal, Volume 4, Issue 5, Page # 88–96, 2019; DOI: 10.25046/aj040511
Abstract:

The demand for renewable energy sources such as waste pyrolysis plastic oil (WPPO), ethanol biofuel with high oxygen content is increasing globally. This study used blending of conventional diesel oil, waste plastic pyrolysis oil, ethanol and 2-ethyl hexyl nitrate (EHN) as additive. The purpose was to improve combustion, the ignition quality, and performance and emission…

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(This article belongs to Section Mechanical Engineering (EMH))
Open AccessArticle
13 Pages, 1,217 KB Download PDF

Assessment of the Quality and Sustainability Implications of FIFO and LIFO Inventory Policies through System Dynamics

Advances in Science, Technology and Engineering Systems Journal, Volume 4, Issue 5, Page # 69–81, 2019; DOI: 10.25046/aj040509
Abstract:

Perishable inventory management contributes simultaneously to society and the economy, by reducing food wastage and capitalizing on the freshness of goods. For this reason, countless mathematical models have been developed for their effectiveness and cost-efficient management. Yet, the majority of these models can only optimize systems for a limited time frame, allowing for small gains…

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(This article belongs to the SP7 (Special Issue on Advancement in Engineering and Computer Science 2019) & Section Industrial Engineering (EID))
Open AccessArticle
8 Pages, 880 KB Download PDF

Mechanical Testing Methods for Body-Powered Upper-Limb Prostheses: A Case Study

Advances in Science, Technology and Engineering Systems Journal, Volume 4, Issue 5, Page # 61–68, 2019; DOI: 10.25046/aj040508
Abstract:

3D-printing technologies have greatly influenced the field of fabrication of medical devices. In particular, Fused Deposition Modeling 3D printing has emerged as one the most popular and most promising technologies for fabricating upper-limb prostheses. Over the last years, a variety of types and designs of 3D-printed hand prostheses have been created and are commercially available.…

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(This article belongs to the SP7 (Special Issue on Advancement in Engineering and Computer Science 2019) & Section Robotics (ROB))
Open AccessArticle
8 Pages, 725 KB Download PDF

Proposal for a Security Model for a Popular Voting System Process in Latin America

Advances in Science, Technology and Engineering Systems Journal, Volume 4, Issue 5, Page # 53–60, 2019; DOI: 10.25046/aj040507
Abstract:

In Latin America, there is a need for better security systems in different national or sectional votes, which is why this study was carried out, to show a proposal for a security model that helps to obtain better results and to this purpose has been selected information on the database for different Latin American countries,…

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(This article belongs to Section Information Systems in Computer Science (CIS))
Open AccessArticle
7 Pages, 519 KB Download PDF

Melanoma detection using color and texture features in computer vision systems

Advances in Science, Technology and Engineering Systems Journal, Volume 4, Issue 5, Page # 16–22, 2019; DOI: 10.25046/aj040502
Abstract:

All forms of skin cancer are becoming widespread. These forms of cancer, and melanoma in particular, are insidious and aggressive and if not treated promptly can be lethal to humans. Effective treatment of skin lesions depends strongly on the timeliness of the diagnosis: for this reason, artificial vision systems are required to play a crucial…

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(This article belongs to the SP7 (Special Issue on Advancement in Engineering and Computer Science 2019) & Section Bioinformatics (BIF))
Open AccessArticle
11 Pages, 1,218 KB Download PDF

Multiple-Optimization based-design of RF Integrated Inductors

Advances in Science, Technology and Engineering Systems Journal, Volume 4, Issue 4, Page # 574–584, 2019; DOI: 10.25046/aj040468
Abstract:

In this paper, a multiple-objective Metaheuristics study is discussed. Initially, three mono-objective metaheuristics will be explored in order to design and optimize Radio-Frequency integrated inductors. These metaheuristics are: An evolutionary algorithm called The Differential Evolution (DE), An algorithm supported on Newton’s laws of gravity and motion called the Gravitational Search Algorithm (GSA) and, finally, A…

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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
13 Pages, 2,503 KB Download PDF

A Lightweight, Hardware-Based Support for Isolation in Mixed-Criticality Network-on-Chip Architectures

Advances in Science, Technology and Engineering Systems Journal, Volume 4, Issue 4, Page # 561–573, 2019; DOI: 10.25046/aj040467
Abstract:

Spatial and temporal isolation is a crucial issue in embedded systems executing multiple tasks with several levels of criticality. This is considerably significant in the context of multi-processor (or multi-core) embedded systems running multiple mixed-criticality applications in parallel. This work deals with the issue of isolation of different application classes on Network on Chip (NoC)…

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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, 1,060 KB Download PDF

Preparation of Lead, Lead Alloy(S) And Other Salts from Exhausted Rechargeable Lead Batteries

Advances in Science, Technology and Engineering Systems Journal, Volume 4, Issue 4, Page # 529–538, 2019; DOI: 10.25046/aj040464
Abstract:

Metals of lead and some lead alloys, lead oxide, nickel and cobalt were recovered from exhausted battery by combined hydrometallurgy and pyro metallurgical method. The spent batteries were dismantled and leached in hot 2M and 5M nitric acid. The unleached fraction was heated with sodium carbonate to produce lead oxide. Salts in the leached solution…

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(This article belongs to Section Applied Chemistry (CAP))
Open AccessArticle
8 Pages, 1,159 KB Download PDF

Embedded Artificial Neural Network FPGA Controlled Cart

Advances in Science, Technology and Engineering Systems Journal, Volume 4, Issue 4, Page # 509–516, 2019; DOI: 10.25046/aj040461
Abstract:

An artificial neural network (ANN) computing system can be significantly influenced by its implementation type. The software implemented ANN can produce high accuracy output with slow computation time performance compared to hardware implemented ANN which runs at a faster computation time but with low accuracy. Normally, software implementation reduces the proficiency and efficiency of the…

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(This article belongs to Section Electronic Engineering (EEE))
Open AccessArticle
6 Pages, 726 KB Download PDF

An Investigative Study on Technology Impact on the Quality of Working Life in a University Healthcare and Pharmacy

Advances in Science, Technology and Engineering Systems Journal, Volume 4, Issue 4, Page # 503–508, 2019; DOI: 10.25046/aj040460
Abstract:

The purpose of this study was to investigate the impact of the implementation of the Online Appointment Scheduling system and Pharm Partner system technologies on the quality of working life for users in a small healthcare environment at the University of Technology, Jamaica. Both qualitative and quantitative methods were employed. Two data collection instruments were:…

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(This article belongs to Section Information Systems in Computer Science (CIS))
Open AccessArticle
18 Pages, 1,256 KB Download PDF

Material, Structural Optimization and Analysis of Visible-Range Back-Illuminated OPFET photodetector

Advances in Science, Technology and Engineering Systems Journal, Volume 4, Issue 4, Page # 485–502, 2019; DOI: 10.25046/aj040459
Abstract:

High gain-bandwidth product and visible/UV contrast photodetectors are vital in Visible Light Communication (VLC) and Ultraviolet (UV) reflectance imaging applications respectively. We adopt material and structural optimization to perceive such photodetectors with back-illuminated Optical Field Effect Transistor (OPFET) wherein any potential difference in absorption coefficient of the semiconductor material between the visible and the UV…

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(This article belongs to the SP7 (Special Issue on Advancement in Engineering and Computer Science 2019) & Section Multidisciplinary Materials Science (MMU))
Open AccessArticle
10 Pages, 1,059 KB Download PDF

Estimation of Target Maneuvers from Tracked Behavior Using Fuzzy Evidence Accrual

Advances in Science, Technology and Engineering Systems Journal, Volume 4, Issue 4, Page # 468–477, 2019; DOI: 10.25046/aj040457
Abstract:

While the Kalman filter, including its many variants, has been the staple of the tracking community, it also has been shown to have drawbacks, particularly when tracking through a maneuver. The most common issue is a lag in the position of the target track compared to the true target position as the target performs its…

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(This article belongs to the SP7 (Special Issue on Advancement in Engineering and Computer Science 2019) & Section Automation & Control Systems (ACS))
Open AccessArticle
6 Pages, 971 KB Download PDF

Marginalizing Last Mile Logistics Cost through 4th Party Milk Run

Advances in Science, Technology and Engineering Systems Journal, Volume 4, Issue 4, Page # 462–467, 2019; DOI: 10.25046/aj040456
Abstract:

To reduce its high last mile logistics cost, a company may explore different options such as a horizontal collaboration with another company that has a similar logistics requirement. Traditionally, the collaboration can be conducted through an outsource contract mechanism where the company may need to guarantee a certain number of logistics demands or usage for…

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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
9 Pages, 1,647 KB Download PDF

Optimized Design of PM Halbach Array Linear Generator for Sea Wave Energy Converters Operate at Maximum Power Transfer

Advances in Science, Technology and Engineering Systems Journal, Volume 4, Issue 4, Page # 440–448, 2019; DOI: 10.25046/aj040453
Abstract:

This paper proposes Halbach array PM linear generators for direct conversion of ocean or sea wave energy. This generator is proposed to be directly coupled to a reciprocating wave energy system which may be a valued alternative for pneumatic and hydraulic systems. In this research, air-cored permanent magnet PM linear generator has been optimally designed…

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(This article belongs to the SP7 (Special Issue on Advancement in Engineering and Computer Science 2019) & Section Ocean Engineering (EOC))
Open AccessArticle
9 Pages, 1,134 KB Download PDF

Effectiveness and Comparison of Digital Substations Over Conventional Substations

Advances in Science, Technology and Engineering Systems Journal, Volume 4, Issue 4, Page # 431–439, 2019; DOI: 10.25046/aj040452
Abstract:

The entire electrical system is changing at an abrupt speed since its beginning. With the rapid advance of renewable energies (which are constantly subject to fluctuations), the electricity generation is distributed to countless locations. The traditional model of the unidirectional flow of electricity is leaning towards multidirectional flows. This situation needs significant changes in the…

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(This article belongs to the SP7 (Special Issue on Advancement in Engineering and Computer Science 2019) & Section Electrical Engineering (ELE))
Open AccessArticle
10 Pages, 1,328 KB Download PDF

Supporting Better Physical Activity in a Smart City: a Framework for Suggesting and Supervising Walking Paths

Advances in Science, Technology and Engineering Systems Journal, Volume 4, Issue 4, Page # 404–413, 2019; DOI: 10.25046/aj040449
Abstract:

The increase of elderly population creates the need to promote healthy aging, with autonomy and independence, for preserving the functional capacity and quality of life as much as possible. To achieve this goal the recommendations include walking a certain amount of steps daily, given that the exact amount of steps changes with age, lesions, and…

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(This article belongs to the SP7 (Special Issue on Advancement in Engineering and Computer Science 2019) & Section Bioinformatics (BIF))
Open AccessArticle
14 Pages, 2,562 KB Download PDF

Evaluation of the Effects of Bidding Strategy with Customized Pricing on the Individual Prosumer in a Local Energy Market

Advances in Science, Technology and Engineering Systems Journal, Volume 4, Issue 4, Page # 366–379, 2019; DOI: 10.25046/aj040445
Abstract:

Peer-to-peer (P2P) energy trading is a mechanism that allows people to share locally the energy they have generated from distributed renewable resources (DER), to generate profit form the unused resources and to reduce the cost for electricity for the household and in the community itself. This calls for the design of new energy markets, accompanied…

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(This article belongs to the SP7 (Special Issue on Advancement in Engineering and Computer Science 2019) & Section Electrical Engineering (ELE))
Open AccessArticle
7 Pages, 4,180 KB Download PDF

Hidden Surface Removal for Interaction between Hand and Virtual Objects in Augmented Reality

Advances in Science, Technology and Engineering Systems Journal, Volume 4, Issue 4, Page # 359–365, 2019; DOI: 10.25046/aj040444
Abstract:

Recently, augmented reality (AR) technology has been applied to the inter- action technology between human and virtual objects. In AR interaction technology, it is necessary for users to be able to manipulate virtual objects intuitively. Thus, we focus on manipulating virtual objects directly with the user’s bare hands in this study. On the other hand,…

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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
19 Pages, 1,546 KB Download PDF

Overview on 5G Radio Frequency Energy Harvesting

Advances in Science, Technology and Engineering Systems Journal, Volume 4, Issue 4, Page # 328–346, 2019; DOI: 10.25046/aj040442
Abstract:

The current industrial landscape is becoming increasingly aware of the need to optimize energy use and management for all domains, including telecommunications. Among others, RF Energy Harvesting is a promising technique for 5G systems as an alternative to traditional energy supply sources. This paper presents 5G landscape and ecosystem. It positions RF-Energy Harvesting in 5G…

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(This article belongs to the SP7 (Special Issue on Advancement in Engineering and Computer Science 2019) & Section Telecommunications (TEL))
Open AccessArticle
6 Pages, 951 KB Download PDF

Enhancing Bodily Movements of the Visually Impaired Children by Airflow

Advances in Science, Technology and Engineering Systems Journal, Volume 4, Issue 4, Page # 308–313, 2019; DOI: 10.25046/aj040439
Abstract:

This study involved three departments of teachers and students. The concept of the flow-motivated exercise implemented with a set of flow nozzles. A computer-controlled airflow with specific music introduced, and the motion responses from the participants were analyzed during the initial test and field study. During the initial examination, we adjusted the magnitude and distance…

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(This article belongs to the SP8 (Special Issue on Multidisciplinary Sciences and Engineering 2019-20) & Section Interdisciplinary Applications of Computer Science (CSI))
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