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Open AccessArticle
8 Pages, 1,459 KB Download PDF

Deaf Chat: A Speech-to-Text Communication Aid for Hearing Deficiency

Advances in Science, Technology and Engineering Systems Journal, Volume 5, Issue 5, Page # 826–833, 2020; DOI: 10.25046/aj0505100
Abstract:

Hearing impairments have a negative impact in the lives of individuals living with them and those around such individuals. Different applications and technological tools have been developed to help reduce this negative impact. Most mobile applications that have been developed that use Speech-to-Text technology have been inconsistent such that they are not inclusive of all…

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(This article belongs to the SP9 (Special Issue on Multidisciplinary Innovation in Engineering Science & Technology 2020) & Section Interdisciplinary Applications of Computer Science (CSI))
Open AccessArticle
14 Pages, 979 KB Download PDF

Active Disturbance Rejection Control Design for a Haptic Machine Interface Platform

Advances in Science, Technology and Engineering Systems Journal, Volume 6, Issue 1, Page # 898–911, 2021; DOI: 10.25046/aj060199
Abstract:

This paper proposes an active disturbance rejection control (ADRC) design for a haptic display platform structure. The motivation for the following scheme originates from the shortcomings faced by classical proportional integral derivative (PID) controllers in control theory. The ADRC is an unconventional model-independent approach, acknowledged as an effective controller in the existence of total plant…

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(This article belongs to the SP10 (Special Issue on Multidisciplinary Sciences and Engineering 2020-21) & Section Automation & Control Systems (ACS))
Open AccessArticle
12 Pages, 1,543 KB Download PDF

Method of Technological Forecasting of Market Behaviour of R&D Products

Advances in Science, Technology and Engineering Systems Journal, Volume 6, Issue 1, Page # 886–897, 2021; DOI: 10.25046/aj060198
Abstract:

The current concept of open innovation corresponds to the R&D products transfer model – “role changes”. One of the fundamental provisions of the model is that R&D products are considered for commercialization not only at the final stage of technological readiness, but at any of them. In today’s changing market environment, special attention is paid…

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(This article belongs to the SP10 (Special Issue on Multidisciplinary Sciences and Engineering 2020-21) & Section Operations Research & Management Science (ORM))
Open AccessArticle
9 Pages, 1,003 KB Download PDF

Accounting Software in Modern Business

Advances in Science, Technology and Engineering Systems Journal, Volume 6, Issue 1, Page # 862–870, 2021; DOI: 10.25046/aj060195
Abstract:

The purpose of the research is an investigation of different accounting software products, their functions, and specific features to make easier choice among variety of similar products and analysis of their pros and cons that can influence on companies’ performance. Authors classified accounting software according to its capabilities to serve the different managerial purposes. Because…

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(This article belongs to the SP10 (Special Issue on Multidisciplinary Sciences and Engineering 2020-21) & Section Engineering Management (EMM))
Open AccessArticle
14 Pages, 832 KB Download PDF

Contingency Plan in the Supply Chain of Companies in the Retail Industry in the Face of the Impacts of COVID-19

Advances in Science, Technology and Engineering Systems Journal, Volume 6, Issue 1, Page # 819–832, 2021; DOI: 10.25046/aj060191
Abstract:

The main issue that is being presented in 2020 is the impact that all organizations are having due to the COVID-19 pandemic, and it is not for less given the global collapse that is occurring in all aspects. Many organizations have been affected by this catastrophe and in the face of an unforeseen scenario, the…

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(This article belongs to the sp-covid19 (Special Issue on the Economic Impact of COVID-19 on Companies and Consumers 2020-21) & Section Operations Research & Management Science (ORM))
Open AccessArticle
12 Pages, 1,065 KB Download PDF

Model of Fish Cannery Supply Chain Integrating Environmental Constraints (AHP and TOPSIS)

Advances in Science, Technology and Engineering Systems Journal, Volume 6, Issue 1, Page # 798–809, 2021; DOI: 10.25046/aj060189
Abstract:

This paper proposes a modeling framework (analytical modeling) for the case of fish cannery supply chain (FCSC) to optimize the environmental impact of the set of its processes; indeed, for our knowledge, there were few studies attempting to address this case study as a model of green supply chain. Implementation of the proposed model is…

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(This article belongs to Section Environmental Engineering (EEV))
Open AccessArticle
7 Pages, 1,382 KB Download PDF

Simulating COVID-19 Trajectory in the UAE and the Impact of Possible Intervention Scenarios

Advances in Science, Technology and Engineering Systems Journal, Volume 6, Issue 1, Page # 791–797, 2021; DOI: 10.25046/aj060188
Abstract:

This paper aims to simulate the current trajectory of the pandemic growth in the UAE; when it is likely to end and at what cost? It also examines the current and additional possible measures to contain the second wave of the pandemic. The method used is a simple Susceptible-Infected-Recovered (SIR) model called covid19_scenarios. The key…

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(This article belongs to Section Theory & Methods in Computer Science (CTM))
Open AccessArticle
9 Pages, 1,727 KB Download PDF

Comparation of Analytical Models and Review of Numerical Simulation Method for Blast Wave Overpressure Estimation after the Explosion

Advances in Science, Technology and Engineering Systems Journal, Volume 6, Issue 1, Page # 748–756, 2021; DOI: 10.25046/aj060182
Abstract:

A comparative analysis of formulas for blast wave overpressure is presented in the paper, and models were compared with available experimental data. The Kinney and Shin models show the best agreement with experimental data (Kingery-Bulmash) for free airburst, while for surface burst, Swisdak, Vanuci, and Jeon models predict test data most accurately. One of the…

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(This article belongs to Section Mechanical Engineering (EMH))
Open AccessArticle
9 Pages, 1,654 KB Download PDF

Analysis of Gaze Time Spent at the Gazing Point that is Required During Reading

Advances in Science, Technology and Engineering Systems Journal, Volume 6, Issue 1, Page # 726–734, 2021; DOI: 10.25046/aj060179
Abstract:

This paper aims to clarify the lower limit of the gaze time required during reading by investigating at a display time of 98 msec or less using the visual information processing analyzer developed in the previous research. The image display range and display time at the point of gaze was controlled by moving the window…

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(This article belongs to Section Behavioral Sciences (BHS))
Open AccessArticle
7 Pages, 953 KB Download PDF

A Novel Blockchain-Based Authentication and Access Control Model for Smart Environment

Advances in Science, Technology and Engineering Systems Journal, Volume 6, Issue 1, Page # 651–657, 2021; DOI: 10.25046/aj060171
Abstract:

With the increase of smart factories and smart cities following the recent 4th industrial revolution, internal user authentication and authorization have become an important issue. The user authentication model using the server-client structure has a problem of forgery of the access history caused by the log manipulation of the administrator and unclearness of the responsibility.…

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(This article belongs to the SP10 (Special Issue on Multidisciplinary Sciences and Engineering 2020-21) & Section Interdisciplinary Applications of Computer Science (CSI))
Open AccessArticle
7 Pages, 846 KB Download PDF

Particle Swarm Optimization, Genetic Algorithm and Grey Wolf Optimizer Algorithms Performance Comparative for a DC-DC Boost Converter PID Controller

Advances in Science, Technology and Engineering Systems Journal, Volume 6, Issue 1, Page # 619–625, 2021; DOI: 10.25046/aj060167
Abstract:

Power converters are electronic devices widely applied in industry, and in recent years, for renewable energy electronic systems, they can regulate voltage levels and actuate as interfaces, however, to do so, is needed a controller. Proportional-Integral-Derivative (PID) are applied to power converters comparing output voltage versus a reference voltage to reduce and anticipate error. Using…

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(This article belongs to the SP10 (Special Issue on Multidisciplinary Sciences and Engineering 2020-21) & Section Electrical Engineering (ELE))
Open AccessArticle
7 Pages, 1,020 KB Download PDF

Decision Support Model using FIM Sugeno for Assessing the Academic Performance

Advances in Science, Technology and Engineering Systems Journal, Volume 6, Issue 1, Page # 605–611, 2021; DOI: 10.25046/aj060165
Abstract:

Assessing academic performance is a common way of evaluating and assessing the abilities of students in tertiary institutions. Usually it is practically performed based on the cumulative grade point average (GPA) at the end of each semester passed. Unwittingly there are many factors that are able to influence student performance results apart from GPA as…

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(This article belongs to Section Artificial Intelligence in Computer Science (CAI))
Open AccessArticle
8 Pages, 634 KB Download PDF

Optimal PMU Placement Using Genetic Algorithm for 330kV 52-Bus Nigerian Network

Advances in Science, Technology and Engineering Systems Journal, Volume 6, Issue 1, Page # 597–604, 2021; DOI: 10.25046/aj060164
Abstract:

The phasor Measurement Unit is a modern tracking tool mounted on a network to track and manage power systems. PMU is accurate and time-synchronized device that gives voltage phasor measurements in nodes and current phasor measurements connected to those nodes where the PMU is installed. This study introduces the Genetic Algorithm for optimization of allocation…

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(This article belongs to Section Electrical Engineering (ELE))
Open AccessArticle
7 Pages, 1,537 KB Download PDF

Learning Path Recommendation using Hybrid Particle Swarm Optimization

Advances in Science, Technology and Engineering Systems Journal, Volume 6, Issue 1, Page # 570–576, 2021; DOI: 10.25046/aj060161
Abstract:

Revised Bloom’s Taxonomy (RBT) is proposed in general to look more forward in responding to the demands of the developing educational community, including how students develop and learn and how teachers prepare Learning Objects (LO). The variety of characteristics of students’ abilities in a class has always been a problem that is often faced by…

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(This article belongs to Section Information Systems in Computer Science (CIS))
Open AccessArticle
8 Pages, 2,309 KB Download PDF

Auditing the Siting of Petrol Stations in the City of Douala, Cameroon: Do they Fulfil the Necessary Regulatory Requirements?

Advances in Science, Technology and Engineering Systems Journal, Volume 6, Issue 1, Page # 493–500, 2021; DOI: 10.25046/aj060154
Abstract:

No other form of technological development had negatively skewed from existing regulations as the siting of petrol filing stations. An audit of the degree to which their operators repeatedly violate the rules regulating their location and operations may encourage the legislature to pass laws that can ensure a balance between the economy and the environment.…

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(This article belongs to Section Environmental Engineering (EEV))
Open AccessArticle
7 Pages, 1,377 KB Download PDF

Development of Hexa Spacer Damper for 765 kV Transmission Lines’ Vibration Damping

Advances in Science, Technology and Engineering Systems Journal, Volume 6, Issue 1, Page # 472–478, 2021; DOI: 10.25046/aj060151
Abstract:

In this paper, hexa spacer damper is proposed and its vibration damping effect on the 765 kV power transmission network under the influence of fluctuating wind (10-60 Hz) loading is validated. This asymmetrical loadings led the bundle of Zebra ACSR conductor to be twisted and hence, cause mechanical and electrical instabilities across the span length.…

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(This article belongs to Section Electrical Engineering (ELE))
Open AccessArticle
10 Pages, 1,117 KB Download PDF

Technological Stages of Schwartz Cylinder’s Computer and Mathematics Design using Intelligent System Support

Advances in Science, Technology and Engineering Systems Journal, Volume 6, Issue 1, Page # 447–456, 2021; DOI: 10.25046/aj060148
Abstract:

In this paper, one of the “problem zones” in mathematics concerned with the surface area of three-dimensional bodies is presented by computer and mathematical modeling with synergetic effects using intelligent system support. The problems of personal self-organization and technological stages of student’s research activity in the process of modern achievements in science adaptation in teaching…

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(This article belongs to Section Information Systems in Computer Science (CIS))
Open AccessArticle
38 Pages, 1,513 KB Download PDF

Waste To Energy Feedstock Sources for the Production of Biodiesel as Fuel Energy in Diesel Engine – A Review

Advances in Science, Technology and Engineering Systems Journal, Volume 6, Issue 1, Page # 409–446, 2021; DOI: 10.25046/aj060147
Abstract:

In the recent past, there has been a renewed shift into biomass and other recycled waste sources for biodiesel production and utilization. This is a critical area of research and study in which this present work intends to review and identify gaps in literature by shifting the focus of review to non-plant based sources for…

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(This article belongs to Section Mechanical Engineering (EMH))
Open AccessArticle
11 Pages, 1,549 KB Download PDF

Chaos-Based Image Encryption Using Arnold’s Cat Map Confusion and Henon Map Diffusion

Advances in Science, Technology and Engineering Systems Journal, Volume 6, Issue 1, Page # 316–326, 2021; DOI: 10.25046/aj060136
Abstract:

This research designed an image encryption system that focused on securing teledermatology data in the form of skin disease images. The encryption and decryption process of this system is done on the client side using chaos-based encryption with confusion and diffusion techniques. Arnold’s cat map is the chaotic map model used for confusion, while the…

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(This article belongs to Section Software Engineering in Computer Science (CSE))
Open AccessArticle
8 Pages, 422 KB Download PDF

Indoor Positioning System using WKNN and LSTM Combined via Ensemble Learning

Advances in Science, Technology and Engineering Systems Journal, Volume 6, Issue 1, Page # 242–249, 2021; DOI: 10.25046/aj060127
Abstract:

Indoor positioning system (IPS) has become a high demand research field to be developed and has made considerable progress in recent years. Wi-Fi fingerprinting is the most promising technique that produces an acceptable result. However, despite the large amount of research that has been done using Wi-Fi fingerprinting, only a few Wi-Fi based IPS in…

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(This article belongs to Section Artificial Intelligence in Computer Science (CAI))
Open AccessArticle
12 Pages, 502 KB Download PDF

A Case Study to Enhance Student Support Initiatives Through Forecasting Student Success in Higher-Education

Advances in Science, Technology and Engineering Systems Journal, Volume 6, Issue 1, Page # 230–241, 2021; DOI: 10.25046/aj060126
Abstract:

Enrolment figures have been expanding in South African institutions of higher-learning, however, the expansion has not been accompanied by a proportional increase in the percent- age of enrolled learners completing their degrees. In a recent undergraduate-cohort-studies report, the DHET highlight the low percentage of students completing their degrees in the allotted time, having remained between…

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(This article belongs to the SP11 (Special Issue on Innovation in Computing, Engineering Science & Technology 2021) & Section Information Systems in Computer Science (CIS))
Open AccessArticle
10 Pages, 845 KB Download PDF

Heuristic Techniques as Part of Heuristic Methods and Interaction of Personality Types in their Application

Advances in Science, Technology and Engineering Systems Journal, Volume 6, Issue 1, Page # 208–217, 2021; DOI: 10.25046/aj060123
Abstract:

The widespread team project method is more effective when used in conjunction with heuristic methods. The large number of heuristic methods and the variety of their descriptions create a problem to prepare students for the use of these methods. A method based on two areas of knowledge – heuristics and psychology – is proposed. The…

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(This article belongs to the SP10 (Special Issue on Multidisciplinary Sciences and Engineering 2020-21) & Section Operations Research & Management Science (ORM))
Open AccessArticle
7 Pages, 4,171 KB Download PDF

Applications of TCAD Simulation Software for Fabrication and study of Process Variation Effects on Threshold Voltage in 180nm Floating-Gate Device

Advances in Science, Technology and Engineering Systems Journal, Volume 6, Issue 1, Page # 146–152, 2021; DOI: 10.25046/aj060116
Abstract:

In this work, a study of the process variation effects on the threshold voltage of a floating- gate device is proposed. The study demonstrates the sensitivity of the threshold voltage to five geometrical parameters including gate length, gate width, tunneling gate oxide thickness, bottom oxide-nitride-oxide oxide thickness, and nitride spacer thickness. This paper also proposed…

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(This article belongs to the SP9 (Special Issue on Multidisciplinary Innovation in Engineering Science & Technology 2020) & Section Electronic Engineering (EEE))
Open AccessArticle
7 Pages, 767 KB Download PDF

An Anonymity Preserving Framework for Associating Personally Identifying Information with a Digital Wallet

Advances in Science, Technology and Engineering Systems Journal, Volume 6, Issue 1, Page # 36–42, 2021; DOI: 10.25046/aj060104
Abstract:

Growing adoption of cryptocurrencies by institutional investors coupled with recurring incidents of loss of access to digital wallets have resulted in emergence of custodial services for high net worth individuals and institutions. However, such services are not economically feasible for the wider community of crypto owners who are left with no recourse for recovery of…

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(This article belongs to the SP10 (Special Issue on Multidisciplinary Sciences and Engineering 2020-21) & Section Interdisciplinary Applications of Computer Science (CSI))
Open AccessArticle
7 Pages, 1,228 KB Download PDF

Synthesis and Characterization of Graphene Oxide Under Different Conditions, and a Preliminary Study on its Efficacy to Adsorb Cu\(^{2+}\)

Advances in Science, Technology and Engineering Systems Journal, Volume 6, Issue 1, Page # 10–16, 2021; DOI: 10.25046/aj060102
Abstract:

Graphene oxide (GO) was prepared by the modified Hummer’s method, but the mass ratio of graphite to sodium nitrate (NaNO3) was varied from 2:1, 1:1, and 1:2. The primary reason for the variation was to determine the optimum conditions that would afford more oxygen functional groups to improve the material for application in adsorption. The…

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(This article belongs to the SP9 (Special Issue on Multidisciplinary Innovation in Engineering Science & Technology 2020) & Section Chemical Engineering (ENC))
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