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Open AccessArticle
19 Pages, 8,031 KB Download PDF

Thermoelectric Generators (TEGs) and Thermoelectric Coolers (TECs) Modeling and Optimal Operation Points Investigation

Advances in Science, Technology and Engineering Systems Journal, Volume 7, Issue 1, Page # 60–78, 2022; DOI: 10.25046/aj070107
Abstract:

Sustainable energy is gradually becoming the norm today due to greenhouse warming effects; as a result, the quests for different renewable energy sources such as photovoltaic cells as well as energy efficient electrical appliances are becoming popular. Therefore, this article explores the alternative energy case for thermoelectricity with focus on the steady-state mathematics, mixed modelings…

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(This article belongs to the SP12 (Special Issue on Multidisciplinary Sciences and Engineering 2021-22) & Section Thermodynamics (THD))
Open AccessArticle
8 Pages, 732 KB Download PDF

Neural Network for 2D Range Scanner Navigation System

Advances in Science, Technology and Engineering Systems Journal, Volume 6, Issue 5, Page # 348–355, 2021; DOI: 10.25046/aj060539
Abstract:

Navigation of a moving object (drone, vehicle, robot, and so on) and related localization in unknown scenes is nowadays a challenging subject to be addressed. Typically, different source devices, such as image sensor, Inertial Measurement Unit (IMU), Time of Flight (TOF), or a combination of them can be used to reach this goal. Recently, due…

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(This article belongs to the SP12 (Special Issue on Multidisciplinary Sciences and Engineering 2021-22) & Section Instruments & Instrumentation (IIN))
Open AccessArticle
12 Pages, 821 KB Download PDF

Leveraging Energy Efficiency Investments: An Innovative Web-based Benchmarking Tool

Advances in Science, Technology and Engineering Systems Journal, Volume 6, Issue 5, Page # 237–248, 2021; DOI: 10.25046/aj060526
Abstract:

Energy Efficiency (EE) plays a key role in decreasing energy consumption at a European level, while it is considered as one of the most cost-efficient means to achieve carbon reduction and reinforce energy sufficiency and security. EE financing is imperative to implement measures that will lead to achieving the desired carbon neutrality and, thus, avert…

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(This article belongs to the SP11 (Special Issue on Innovation in Computing, Engineering Science & Technology 2021) & Section Green & Sustainable Science & Technology (GSS))
Open AccessArticle
9 Pages, 997 KB Download PDF

Coupled Apodization Functions Applied to Enhance Image Quality in Ultrasound Imaging using Phased Arrays

Advances in Science, Technology and Engineering Systems Journal, Volume 6, Issue 5, Page # 149–157, 2021; DOI: 10.25046/aj060517
Abstract:

The remarkable presence of side lobes levels in ultrasound B-mode imaging significantly decreases the image quality. Therefore, the use of an apodization function is of great importance. Linear windowing functions are among the most efficient techniques used to optimize antenna directivity by suppression of the side lobes. However, the apodization causes the degradation of lateral…

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(This article belongs to Section Biomedical Engineering (EBI))
Open AccessArticle
7 Pages, 734 KB Download PDF

Power Saving MAC Protocols in Wireless Sensor Networks: A Performance Assessment Analysis

Advances in Science, Technology and Engineering Systems Journal, Volume 6, Issue 4, Page # 341–347, 2021; DOI: 10.25046/aj060438
Abstract:

Wireless sensor networks are an emerging technology that is used to monitor points or objects of interest in an area. Despite its many applications, this kind of network is often limited by the fact that it is difficult to provide energy to the nodes continuously, forcing the use of batteries, which restricts its operations. Network…

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(This article belongs to Section Network Engineering (ENW))
Open AccessArticle
7 Pages, 1,513 KB Download PDF

Real Time RSSI Compensation for Precise Distance Calculation using Sensor Fusion for Smart Wearables

Advances in Science, Technology and Engineering Systems Journal, Volume 6, Issue 4, Page # 327–333, 2021; DOI: 10.25046/aj060436
Abstract:

To effectively implement the social distancing or digital contact tracing in epidemic using an RSSI-based localization approach through Bluetooth beacon is one of the most widely used technologies, but simply using RSSI measurement is not more relevant because the RF signal is affected by several factors and the environment of usage. Traditional distance or positioning…

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(This article belongs to the SP11 (Special Issue on Innovation in Computing, Engineering Science & Technology 2021) & Section Electronic Engineering (EEE))
Open AccessArticle
13 Pages, 3,825 KB Download PDF

Kamphaeng Saen Beef Cattle Identification Approach using Muzzle Print Image

Advances in Science, Technology and Engineering Systems Journal, Volume 6, Issue 4, Page # 110–122, 2021; DOI: 10.25046/aj060413
Abstract:

Identification of Kamphaeng Saen beef cattle is important of the registration and traceability purposes. For a traditional identification methods, Hot Branding, Freeze Branding, Paint Branding, and RFID Systems can be replaced by genius human. This paper proposed a Kamphaeng Saen beef cattle identification approach using muzzle print images as an Animal Biometric approach. There are…

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(This article belongs to Section Artificial Intelligence in Computer Science (CAI))
Open AccessArticle
10 Pages, 4,837 KB Download PDF

Advanced Physical Failure Analysis Techniques for Rescuing Damaged Samples with Cracks, Scratches, or Unevenness in Delayering

Advances in Science, Technology and Engineering Systems Journal, Volume 6, Issue 4, Page # 52–61, 2021; DOI: 10.25046/aj060407
Abstract:

This paper is an extended version of work published in IPFA 2020. In the previous paper, advanced physical failure analysis (PFA) techniques for rescuing damaged samples with cracks, scratches, or unevenness in delayering are introduced. In the present work, the techniques will be further exploited and summarized for the potential applications in general devices. The…

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(This article belongs to the SP11 (Special Issue on Innovation in Computing, Engineering Science & Technology 2021) & Section Multidisciplinary Materials Science (MMU))
Open AccessArticle
6 Pages, 738 KB Download PDF

Optical Satellite Images Services for Precision Agricultural use: A Review

Advances in Science, Technology and Engineering Systems Journal, Volume 6, Issue 3, Page # 326–331, 2021; DOI: 10.25046/aj060337
Abstract:

The recent advances in geoscience technologies and earth observation tools have evolved in recent years in a fast cadence. Since 1980 with the apparition of Landsat mission firstly named the Earth Resources Technology Satellite, with 80 m spatial resolution; the ability to capture finest details was limited. The emergence of new concepts in agriculture like…

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(This article belongs to Section Remote Sensing (RMS))
Open AccessArticle
7 Pages, 952 KB Download PDF

Phase-Adjusted Microwave Oscillators Based on a Discriminator

Advances in Science, Technology and Engineering Systems Journal, Volume 6, Issue 3, Page # 319–325, 2021; DOI: 10.25046/aj060336
Abstract:

At the conference “System timing, shaping and signal processing” “SYNCHRONO-2020” there was report: “Simulation of steady state microwave oscillator with dielectric resonator” and “Microwave generators, driven by voltage-based microassemblies with dielectric resonators”. An algorithm for calculating a generator with an open dielectric resonator is described. Based on the DesignLab 8.0 simulation environment, the analysis of…

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(This article belongs to Section Electronic Engineering (EEE))
Open AccessArticle
9 Pages, 846 KB Download PDF

The health Sector Between Innovation and Organizational Performance: Applied Research in Moroccan Hospitals

Advances in Science, Technology and Engineering Systems Journal, Volume 6, Issue 3, Page # 277–285, 2021; DOI: 10.25046/aj060331
Abstract:

In the context of globalization and the crises that we are experiencing today, innovation becomes the engine of acceleration and resolution of all kinds of organizational dysfunctions. Different alternatives have been proposed by all researchers and practitioners. The role of this paper is to determine the peculiarities of innovation, including the role played by organizational,…

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(This article belongs to Section Engineering Management (EMM))
Open AccessArticle
6 Pages, 1,867 KB Download PDF

Microstrip Patch Antenna Designs with Quarter-Circular and Semi-Circular Slots in Patches for Wireless Communication Applications in Frequency Range of 1.2 GHz-4.6 GHz

Advances in Science, Technology and Engineering Systems Journal, Volume 6, Issue 3, Page # 257–262, 2021; DOI: 10.25046/aj060328
Abstract:

In this study, 6 unique microstrip patch antennas with quarter-circular and semi-circular slots in patches are proposed. It is aimed to investigate the effect of these slots in the designed topologies. The antennas operate for wireless applications including Personal Communication Service (PCS), 3rd Generation (3G), The Standard for Wireless Fidelity (WiFi)/Wireless Local Area Network (WLAN)/Bluetooth,…

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(This article belongs to the SP10 (Special Issue on Multidisciplinary Sciences and Engineering 2020-21) & Section Telecommunications (TEL))
Open AccessArticle
9 Pages, 1,860 KB Download PDF

LED Lighting and the Impact on the PLC Channel

Advances in Science, Technology and Engineering Systems Journal, Volume 6, Issue 2, Page # 933–941, 2021; DOI: 10.25046/aj0602106
Abstract:

Light Emitting Diode (LED) lamps are used as a replacement of “old-fashioned” or incandescent lighting sources, as they reduce the amount of energy consumed. As a side-effect of more efficient energy usage they produce electrical noise. This noise reduces the efficiency of information signal transfer when Power Line Communications (PLC) are used. This study focuses…

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(This article belongs to Section Electrical Engineering (ELE))
Open AccessArticle
8 Pages, 1,447 KB Download PDF

Real-time Target Human Tracking using Camshift and LucasKanade Optical Flow Algorithm

Advances in Science, Technology and Engineering Systems Journal, Volume 6, Issue 2, Page # 907–914, 2021; DOI: 10.25046/aj0602103
Abstract:

In this paper, a novel is proposed for real-time tracking human targets in cases of high influence from complexity environment with a normal camera. Firstly, based on Oriented FAST and Rotated BRIEF features, the Lucas-Kanade Optical Flow algorithm is used to track reliable keypoints. This method represents a valuable performance to decline the effect of…

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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
13 Pages, 1,113 KB Download PDF

Assessment of Electricity Industries in SADC Region Energy Diversification and Sustainability

Advances in Science, Technology and Engineering Systems Journal, Volume 6, Issue 2, Page # 894–906, 2021; DOI: 10.25046/aj0602102
Abstract:

Before the COVID-19 crisis, the Southern African Developing Countries (SADC) had a varied energy mix including renewable energy, fossil fuels, and military energy production. The use of fossil fuels in the energy mix is known to be the source of the growing levels of greenhouse gases in the atmosphere. However, there was a reduction in…

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(This article belongs to the SP10 (Special Issue on Multidisciplinary Sciences and Engineering 2020-21) & Section Green & Sustainable Science & Technology (GSS))
Open AccessArticle
9 Pages, 1,076 KB Download PDF

A Study of Stirling Engine Efficiency Combined with Solar Energy

Advances in Science, Technology and Engineering Systems Journal, Volume 6, Issue 2, Page # 837–845, 2021; DOI: 10.25046/aj060297
Abstract:

Fossil fuel can no longer supply the constantly spiking demands of energy around the world, hence the increasing research on renewable energies as an alternative. The Stirling Engine is an external combustion engine, giving us a wide range of heat sources: solar, nuclear. The Stirling engine makes best of use of solar sources in an…

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(This article belongs to the SP10 (Special Issue on Multidisciplinary Sciences and Engineering 2020-21) & Section Energy & Fuels (ENF))
Open AccessArticle
13 Pages, 1,573 KB Download PDF

Convolutional Neural Network Based on HOG Feature for Bird Species Detection and Classification

Advances in Science, Technology and Engineering Systems Journal, Volume 6, Issue 2, Page # 733–745, 2021; DOI: 10.25046/aj060285
Abstract:

This work is concerned with the detection and classification of birds that have applications like monitoring extinct and migrated birds. Recent computer vision algorithms can precise this kind of task but still there are some dominant issues like low light, very little differences between subspecies of birds, etc are to be studied. As Convolution Neural…

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(This article belongs to Section Artificial Intelligence in Computer Science (CAI))
Open AccessArticle
6 Pages, 567 KB Download PDF

An Improved Approach for QoS Based Web Services Selection Using Clustering

Advances in Science, Technology and Engineering Systems Journal, Volume 6, Issue 2, Page # 616–621, 2021; DOI: 10.25046/aj060270
Abstract:

With the rising number of web services created to build complex business processes, selecting the appropriate web service from a large number of web services respond to the same client request with the same functionality are developed independently but with different quality of service (QoS) attributes. From this point, there are many approaches to web…

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(This article belongs to the SP10 (Special Issue on Multidisciplinary Sciences and Engineering 2020-21) & Section Information Systems in Computer Science (CIS))
Open AccessArticle
9 Pages, 973 KB Download PDF

A Framework for the Alignment of ICT with Green IT

Advances in Science, Technology and Engineering Systems Journal, Volume 6, Issue 2, Page # 593–601, 2021; DOI: 10.25046/aj060268
Abstract:

The Public Administration is forced to transform itself by taking advantage of the contribution of ICT to in the process of reducing bureaucracy and increase transparency, promoting the dematerialization of processes, increasing the quality of online services, allowing greater ubiquity of access, reducing response times, in the search for improvement of the quality of life…

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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
6 Pages, 1,023 KB Download PDF

Homology Modeling of CYP6Z3 Protein of Anopheles Mosquito

Advances in Science, Technology and Engineering Systems Journal, Volume 6, Issue 2, Page # 580–585, 2021; DOI: 10.25046/aj060266
Abstract:

The Anopheles gambiae’s CYP6Z3 protein belongs to the Cytochrome P450 family and functions in oxidation-reduction processes, many studies including our previous work on elucidating insecticide resistance genes of the Anopheles also implicated her in pyrethroid insecticide resistance. Model prediction, functional analysis, and enrichment of the target gene with triplex binding sites may become a useful…

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(This article belongs to the SP10 (Special Issue on Multidisciplinary Sciences and Engineering 2020-21) & Section Mathematical & Computational Biology (MCB))
Open AccessArticle
7 Pages, 714 KB Download PDF

Using Supervised Classification Methods for the Analysis of Multi-spectral Signatures of Rice Varieties in Panama

Advances in Science, Technology and Engineering Systems Journal, Volume 6, Issue 2, Page # 552–558, 2021; DOI: 10.25046/aj060262
Abstract:

In this article supervised classification methods for the analysis of local Panamanian rice crops using Near-Infrared (NIR) spectral signatures are assessed. Neural network ( Multilayer Perceptron-MLP) and Tree based (Decision Trees-DT and Random Forest-RF) algorithms are used as regression and supervised classification of the spectral signatures by rice varieties, against other crops and by plant…

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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, 796 KB Download PDF

Recycling and Reuse of Wastewater Generated in Car-Washing Facilities

Advances in Science, Technology and Engineering Systems Journal, Volume 6, Issue 2, Page # 521–525, 2021; DOI: 10.25046/aj060259
Abstract:

Fresh water is already scarce in the world, especially in the Middle East (ME). Desalination industry is the main supplier of the potable water to the municipalities in the ME region. It is well known the high cost of a liter of water produced by the desalination process. Unfortunately, car-washing service consumes substantial amount of…

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(This article belongs to the SP10 (Special Issue on Multidisciplinary Sciences and Engineering 2020-21) & Section Green & Sustainable Science & Technology (GSS))
Open AccessArticle
9 Pages, 1,681 KB Download PDF

Evidence of Improved Seawater Quality using a Slow Sand Filtration

Advances in Science, Technology and Engineering Systems Journal, Volume 6, Issue 2, Page # 359–367, 2021; DOI: 10.25046/aj060241
Abstract:

In recent years water treatment methods under pressurized systems have been considered as the optimum high-rate filtration techniques. Unpressurized-slow sand filtration can be the cheapest and most efficient method, among others. This research aims to test the performance of a reliable seawater filtration system, using three different iterations. The filters have been designed considering many…

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(This article belongs to Section Civil Engineering (ECV))
Open AccessArticle
11 Pages, 1,067 KB Download PDF

A Grounded Theory Approach to Digital Transformation in the Postal Sector in Southern Africa

Advances in Science, Technology and Engineering Systems Journal, Volume 6, Issue 2, Page # 313–323, 2021; DOI: 10.25046/aj060236
Abstract:

This paper describes a qualitative research design adopted in this study guided by deployment of a Grounded Theory (GT) methodology which was deployed to synthesize literature on technology adoption and digital transformation with an objective of developing theory. The philosophical worldview adopted was interpretivism/constructivist of a qualitative grounded theory inductive (theory building) approach where secondary…

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(This article belongs to Section Engineering Management (EMM))
Open AccessArticle
8 Pages, 2,200 KB Download PDF

Design Optimization of Open Office Building Form for Thermal Energy Performance using Genetic Algorithm

Advances in Science, Technology and Engineering Systems Journal, Volume 6, Issue 2, Page # 254–261, 2021; DOI: 10.25046/aj060228
Abstract:

Consideration of building energy performance in the early stage of the design process is very important to help minimizing energy consumed by the built environment. Therefore, help in minimizing energy crisis problem. Optimization of building form and orientation at the early stage of the design process can save a significant amount of energy consumed by…

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(This article belongs to Section Architectural Engineering (EAH))

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