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Open AccessArticle
6 Pages, 1,092 KB Download PDF

Optimal Hydrokinetic Turbine Array Placement in Asymmetric Quasigeostrophic Flows

Advances in Science, Technology and Engineering Systems Journal, Volume 6, Issue 1, Page # 692–697, 2021; DOI: 10.25046/aj060175
Abstract:

The Coriolis force in the ocean at mid to high latitudes can cause significant deviation of flow over bottom topography, including formation of Taylor columns. Structures in a tidal zone will experience zero inertial current between every tidal change. Around periods of directional change, the Coriolis force may be tapped into for energy. Factors like…

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(This article belongs to the SP9 (Special Issue on Multidisciplinary Innovation in Engineering Science & Technology 2020) & Section Ocean Engineering (EOC))
Open AccessArticle
12 Pages, 1,377 KB Download PDF

An Enhanced Artificial Intelligence-Based Approach Applied to Vehicular Traffic Signs Detection and Road Safety Enhancement

Advances in Science, Technology and Engineering Systems Journal, Volume 6, Issue 1, Page # 672–683, 2021; DOI: 10.25046/aj060173
Abstract:

The paper treats a problem for detection and recognition objects in computer vision sector, where researchers recommended OpenCV software and development tool, it’s several and better-remembered library resource for isolating, detecting, and recognition of particular objects, what we would find an appropriate system for detecting and recognition traffic roads signs. The robustness with optimization is…

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(This article belongs to the SP10 (Special Issue on Multidisciplinary Sciences and Engineering 2020-21) & Section Artificial Intelligence in Computer Science (CAI))
Open AccessArticle
14 Pages, 1,619 KB Download PDF

Multiple Machine Learning Algorithms Comparison for Modulation Type Classification Based on Instantaneous Values of the Time Domain Signal and Time Series Statistics Derived from Wavelet Transform

Advances in Science, Technology and Engineering Systems Journal, Volume 6, Issue 1, Page # 658–671, 2021; DOI: 10.25046/aj060172
Abstract:

Modulation type classification is a part of waveform estimation required to employ spectrum sharing scenarios like dynamic spectrum access that allow more efficient spectrum utilization. In this work multiple classification features, feature extraction, and classification algorithms for modulation type classification have been studied and compared in terms of classification speed and accuracy to suggest the…

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(This article belongs to the SP10 (Special Issue on Multidisciplinary Sciences and Engineering 2020-21) & Section Artificial Intelligence in Computer Science (CAI))
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
15 Pages, 2,437 KB Download PDF

Comparison of Machine Learning Parametric and Non-Parametric Techniques for Determining Soil Moisture: Case Study at Las Palmas Andean Basin

Advances in Science, Technology and Engineering Systems Journal, Volume 6, Issue 1, Page # 636–650, 2021; DOI: 10.25046/aj060170
Abstract:

Soil moisture is one of the most important variables to monitor in agriculture. Its analysis gives insights about strategies to utilize better a particular area regarding its use, i.e., pasture for cows (or similar), production forests, or even to answer what crops should be planted. The vertical structure of the soil moisture plays an important…

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(This article belongs to the SP10 (Special Issue on Multidisciplinary Sciences and Engineering 2020-21) & Section Agricultural Engineering (AEN))
Open AccessArticle
5 Pages, 669 KB Download PDF

Cardiovascular Risk in Patients who go to the Medical Office of a Private Health Center in North Lima

Advances in Science, Technology and Engineering Systems Journal, Volume 6, Issue 1, Page # 626–630, 2021; DOI: 10.25046/aj060168
Abstract:

Cardiovascular diseases are the group of conditions produced in the heart or blood vessels. This is one of the main causes of death in Peru and the world, produced mostly by non-communicable diseases and harmful habits, which makes it an extremely predictable disease. These factors include body mass index, smoking, diabetes, age, blood pressure, total…

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(This article belongs to the SP10 (Special Issue on Multidisciplinary Sciences and Engineering 2020-21) & Section Psychiatry (PSY))
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, 1,537 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
6 Pages, 733 KB Download PDF

Optimized use of RFID at XYZ University Library in Doing Auto Borrowing Book by Utilizing NFC Technology on Smartphone

Advances in Science, Technology and Engineering Systems Journal, Volume 6, Issue 1, Page # 532–537, 2021; DOI: 10.25046/aj060158
Abstract:

NFC (Near Field Communication) is a contactless communication technology based on a radio frequency (RF) field using a base frequency of 13.56 MHz. NFC technology is perfectly designed to exchange data between two devices via simple touch gestures. RFID is the process of identifying an object directly by radio frequency. There are two important components…

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(This article belongs to Section Hardware & Architecture in Computer Science (CHA))
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
8 Pages, 895 KB Download PDF

Analysis of Pharmaceutical Company Websites using Innovation Diffusion Theory and Technology Acceptance Model

Advances in Science, Technology and Engineering Systems Journal, Volume 6, Issue 1, Page # 464–471, 2021; DOI: 10.25046/aj060150
Abstract:

The progress of information using websites is developing fast, impacting various sectors, one of which is pharmaceutical companies. Pharmaceutical companies have roles in drug manufacturing, pharmaceutical distribution, and essential services for the community—the most important and challenging activity in the IT department. The researcher is responsible for one of the Bandung pharmaceutical companies. Researchers are…

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(This article belongs to Section Software Engineering in Computer Science (CSE))
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
8 Pages, 623 KB Download PDF

Environmental Entrepreneurship as an Innovation Catalyst for Social Change: A Systematic Review as a Basis for Future Research

Advances in Science, Technology and Engineering Systems Journal, Volume 6, Issue 1, Page # 393–400, 2021; DOI: 10.25046/aj060145
Abstract:

There are pressures to adopt sustainable behaviour more so in generating profits and benefiting the society to accelerate green efforts through a green framework. The overarching goal of the paper is premised through various works of literature, building the ecosystem the elements highlighted by most researchers in the field of environmental entrepreneurship. The various models…

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(This article belongs to the SP9 (Special Issue on Multidisciplinary Innovation in Engineering Science & Technology 2020) & Section Psychiatry (PSY))
Open AccessArticle
7 Pages, 1,745 KB Download PDF

Smart Collar and Chest Strap Design for Rescue Dog through Multidisciplinary Approach

Advances in Science, Technology and Engineering Systems Journal, Volume 6, Issue 1, Page # 386–392, 2021; DOI: 10.25046/aj060144
Abstract:

Rescuers escorted search dogs into the disaster area, using their unique sense of smell to find the injured. First, researchers summarize the design requirements in the search process from interviews with rescuers, and construct a conceptual prototype to confirm the interaction mode between the user and the dog. User central design invited people melt into…

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(This article belongs to the SP10 (Special Issue on Multidisciplinary Sciences and Engineering 2020-21) & Section Electronic Engineering (EEE))
Open AccessArticle
7 Pages, 2,135 KB Download PDF

Deep Learning based Models for Solar Energy Prediction

Advances in Science, Technology and Engineering Systems Journal, Volume 6, Issue 1, Page # 349–355, 2021; DOI: 10.25046/aj060140
Abstract:

Solar energy becomes widely used in the global power grid. Therefore, enhancing the accuracy of solar energy predictions is essential for the efficient planning, managing and operating of power systems. To minimize the negatives impacts of photovoltaics on electricity and energy systems, an approach to highly accurate and advanced forecasting is urgently needed. In this…

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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
9 Pages, 919 KB Download PDF

Mathematical Modelling of Output Responses and Performance Variations of an Education System due to Changes in Input Parameters

Advances in Science, Technology and Engineering Systems Journal, Volume 6, Issue 1, Page # 327–335, 2021; DOI: 10.25046/aj060137
Abstract:

“This paper is an extension of work originally presented in the 4th International Conference on Systems of Collaboration, Big Data, Internet of Things & Security -SysCoBIoTS’19”. The use of complex and dynamic systems modelling to social systems is quite recent and its pertinence in the case of an educational system is continually increasing. For the…

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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
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
7 Pages, 823 KB Download PDF

Optimizing the Wind Farm Layout for Minimizing the Wake Losses

Advances in Science, Technology and Engineering Systems Journal, Volume 6, Issue 1, Page # 309–315, 2021; DOI: 10.25046/aj060135
Abstract:

The development of wind farms requires an optimal design of wind turbines layout. The main goal of this optimization is to minimize the wake effect through the optimal placement of the wind turbines. The current study aims to standardize the wake losses among all wind turbines in the wind farm and bringing their losses to…

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(This article belongs to Section Environmental Engineering (EEV))
Open AccessArticle
12 Pages, 1,017 KB Download PDF

Ranking the Most Important Attributes of using Google Classroom in online teaching for Albanian Universities: A Fuzzy AHP Method with Triangular Fuzzy Numbers and Trapezoidal Fuzzy Numbers

Advances in Science, Technology and Engineering Systems Journal, Volume 6, Issue 1, Page # 297–308, 2021; DOI: 10.25046/aj060134
Abstract:

This paper has conducted the study of the impact and effectiveness of Google Classroom in online teaching and learning. Based on the unified theory of acceptance and use of technology (UTAUT2), the first aim was to rank the 8 constructs namely: Performance Expectancy, Effort Expectancy, Social Influence, Facilitating Conditions, Hedonic Motivation, Habit, Behavioral Intention, and…

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(This article belongs to Section Applied Mathematics (MAP))
Open AccessArticle
14 Pages, 936 KB Download PDF

Generalized Integral Transform Method for Bending and Buckling Analysis of Rectangular Thin Plate with Two Opposite Edges Simply Supported and Other Edges Clamped

Advances in Science, Technology and Engineering Systems Journal, Volume 6, Issue 1, Page # 283–296, 2021; DOI: 10.25046/aj060133
Abstract:

This paper presents the generalized integral transform method for solving flexural and elastic stability problems of rectangular thin plates clamped along and simply supported along remaining boundaries (x = 0, x = a) (CSCS plate). The considered plate is homogeneous, isotropic and carrying uniformly distributed transversely applied loading causing bending. Also studied, is a plate…

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(This article belongs to Section Civil Engineering (ECV))
Open AccessArticle
6 Pages, 666 KB Download PDF

Distance Teaching-Learning Experience in Early Childhood Education Teachers During the Coronavirus Pandemic

Advances in Science, Technology and Engineering Systems Journal, Volume 6, Issue 1, Page # 269–274, 2021; DOI: 10.25046/aj060131
Abstract:

The purpose of the study was to describe the experiences of teachers in the distance teaching-learning process in early childhood education during the covid-19 pandemic. The methodology used was qualitative descriptive. Interviews were conducted with thirteen teachers from four state educational institutions at the infant level in Lima city through the virtual platform. As a…

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(This article belongs to Section Multidisciplinary Sciences (MUS))
Open AccessArticle
5 Pages, 1,403 KB Download PDF

Optimal Sizing of a Renewable Energy Hybrid System in Libya Using Integrated Crow and Particle Swarm Algorithms

Advances in Science, Technology and Engineering Systems Journal, Volume 6, Issue 1, Page # 264–268, 2021; DOI: 10.25046/aj060130
Abstract:

Sizing optimization should be used to design an efficient, sustainable, and feasible hybrid system. In this paper, a hybrid power plant consisting of an off-grid photovoltaic and wind energy system was planned to supply the demand of residential houses in Libya. To minimize installation and operational costs by sizing each part of the hybrid system,…

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(This article belongs to Section Electrical Engineering (ELE))
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
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
16 Pages, 1,332 KB Download PDF

QoE-aware Bandwidth Allocation for Multiple Video Streaming Players over HTTP and SDN

Advances in Science, Technology and Engineering Systems Journal, Volume 6, Issue 1, Page # 184–199, 2021; DOI: 10.25046/aj060121
Abstract:

For many years, the most popular technique for Internet video streaming is hypertext transfer protocol-based adaptive streaming, known as HAS (HTTP Adaptive Streaming). However, a seamless viewing experience can not be just simply guaranteed by HAS only. In the management network, the adaptation of HAS copes with a huge challenge since client- driven schemes lead…

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(This article belongs to the SP10 (Special Issue on Multidisciplinary Sciences and Engineering 2020-21) & Section Network Engineering (ENW))
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