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10 Pages, 2,622 KB Download PDF

Detection of Event-Related Potential Artifacts of Oddball Paradigm by Unsupervised Machine Learning Algorithm

Advances in Science, Technology and Engineering Systems Journal, Volume 7, Issue 5, Page # 157–166, 2022; DOI: 10.25046/aj070517
Abstract:

Electroencephalography (EEG) is one of the most common and benign methods for analyzing and identifying abnormalities in the human brain. EEG is an incessant measure of the activities of the human brain. In contrast, when the measurement of EEG is bounded by time and the EEG is synchronized to an exterior stimulus, is known as…

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(This article belongs to the Special Issue on Innovation in Computing, Engineering Science & Technology 2022 & Section Neuroimaging (NUM))
Open AccessArticle
11 Pages, 2,874 KB Download PDF

A DC Grid-Connected PV Microgrid Regulated via Digital and MBPC Cascade Control Strategies

Advances in Science, Technology and Engineering Systems Journal, Volume 7, Issue 5, Page # 102–112, 2022; DOI: 10.25046/aj070513
Abstract:

The current paper focuses on the design of cascade control systems employed in photovoltaic (PV) powered microgrids (MG), which have been well received in remote agricultural farms in Ecuador. The study case is composed of a three-phase inverter powered by a DC-DC converter fed by a PV array and its control system. To simulate the…

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(This article belongs to Section Electronic Engineering (EEE))
Open AccessArticle
11 Pages, 2,013 KB Download PDF

Sensitive Analysis in Holding and Penalty Costs for the Stochastic Sequencing Problem in Agile Manufacturing

Advances in Science, Technology and Engineering Systems Journal, Volume 7, Issue 5, Page # 62–72, 2022; DOI: 10.25046/aj070509
Abstract:

In agile manufacturing, due to the desire to meet customer’s requirements, processing times are stochastic because operations could be done by robots or humans. This can cause several problems in scheduling the jobs, and it is necessary to select the dispatch rule with the least change in costs and times, to respond quickly to different…

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(This article belongs to Section Industrial Engineering (EID))
Open AccessArticle
6 Pages, 1,652 KB Download PDF

Assessing the Impact of Integrating Solar PV System using the Equal Area Criterion Method

Advances in Science, Technology and Engineering Systems Journal, Volume 7, Issue 5, Page # 35–40, 2022; DOI: 10.25046/aj070505
Abstract:

The impact of previous energy crisis gives an insight into what happens when the oil price crashes. Μany countries were affected due the slow reaction in boosting the economic growth in key sectors such as oil-importing activities and the economic restructuring progress to face the challenges. But the present energy crisis resulting from the COVID-19…

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(This article belongs to the Special Issue on Innovation in Computing, Engineering Science & Technology 2022 & Section Electrical Engineering (ELE))
Open AccessArticle
8 Pages, 3,158 KB Download PDF

An Improved Model to Analyze the Impact of Cyber-Attacks on Power Systems

Advances in Science, Technology and Engineering Systems Journal, Volume 7, Issue 5, Page # 27–34, 2022; DOI: 10.25046/aj070504
Abstract:

In this paper, an improved model has been proposed for investigating the impact of cyber-attacks on power systems regarding frequency disturbances and voltage disruption while changing the load called ICAPS. The proposed ICAPS model is formulated by five different controllers, such as LFC, AGC, AGC-PID, AVR, and AVR-PID, implemented in two sets of the system…

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(This article belongs to the Special Issue on Innovation in Computing, Engineering Science & Technology 2022 & Section Electrical Engineering (ELE))
Open AccessArticle
13 Pages, 1,972 KB Download PDF

BER Performance Evaluation Using Deep Learning Algorithm for Joint Source Channel Coding in Wireless Networks

Advances in Science, Technology and Engineering Systems Journal, Volume 7, Issue 4, Page # 127–139, 2022; DOI: 10.25046/aj070417
Abstract:

In the time past, virtually all the contemporary communication systems depend on distinct source and channel encoding schemes for data transmission. Irrespective of the recorded success of the distinct schemes, the new developed scheme known as joint source channel coding technique has proven to have technically outperformed the conventional schemes. The aim of the study…

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(This article belongs to Section Telecommunications (TEL))
Open AccessArticle
7 Pages, 7,186 KB Download PDF

Estimating a Minimum Embedding Dimension by False Nearest Neighbors Method without an Arbitrary Threshold

Advances in Science, Technology and Engineering Systems Journal, Volume 7, Issue 4, Page # 114–120, 2022; DOI: 10.25046/aj070415
Abstract:

The false nearest neighbors (FNN) method estimates the variables of a system by sequentially embedding a time series into a higher-dimensional delay coordinate system and finding an embedding dimension in which the neighborhood of the delay coordinate vector in the lower dimension does not extend into the higher, that is, a dimension in which no…

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(This article belongs to the Special Issue on Innovation in Computing, Engineering Science & Technology 2022 & Section Mathematics (MAT))
Open AccessArticle
7 Pages, 1,081 KB Download PDF

Performance Adjustment Factor for Fixed Solar PV Module

Advances in Science, Technology and Engineering Systems Journal, Volume 7, Issue 4, Page # 98–104, 2022; DOI: 10.25046/aj070413
Abstract:

There are different factors which contribute to the amount of output power which can be delivered by solar photovoltaic (PV) module at any time of the year. The factors include but not limited to solar irradiation, ambient temperature, relative humidity, wind velocity, position of sun in the sky, geographical position of installed solar PV module…

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(This article belongs to the Special Issue on Innovation in Computing, Engineering Science & Technology 2022 & Section Electrical Engineering (ELE))
Open AccessArticle
7 Pages, 1,606 KB Download PDF

A Machine Learning Model Selection Considering Tradeoffs between Accuracy and Interpretability

Advances in Science, Technology and Engineering Systems Journal, Volume 7, Issue 4, Page # 72–78, 2022; DOI: 10.25046/aj070410
Abstract:

Applying black-box ML models in high-stakes fields like criminology, healthcare and real-time operating systems might create issues because of poor interpretability and complexity. Also, model building methods that include interpretability is now one of the growing research topics due to the absence of interpretability metrics that are both model-agnostic and quantitative. This paper introduces model…

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(This article belongs to the Special Issue on Innovation in Computing, Engineering Science & Technology 2022 & Section Artificial Intelligence in Computer Science (CAI))
Open AccessArticle
13 Pages, 2,117 KB Download PDF

µPMU Hardware and Software Design Consideration and Implementation for Distribution Grid Applications

Advances in Science, Technology and Engineering Systems Journal, Volume 7, Issue 4, Page # 59–71, 2022; DOI: 10.25046/aj070409
Abstract:

This article presents a roadmap for distribution grid µPMU hardware and software design consideration and implantation to ensure high performance within limited computational time of sampling frequency 512 samples/cycle. A proposed 12 channels, multi-voltage level µPMU hardware and rules of voltage and current transducer, analog filter, analog-to-digital converter, sampling rate definition, and PCB design and…

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(This article belongs to the Special Issue on Innovation in Computing, Engineering Science & Technology 2022 & Section Electronic Engineering (EEE))
Open AccessArticle
10 Pages, 6,190 KB Download PDF

ARAIG and Minecraft: A Modified Simulation Tool

Advances in Science, Technology and Engineering Systems Journal, Volume 7, Issue 4, Page # 49–58, 2022; DOI: 10.25046/aj070408
Abstract:

Various interruptions to the daily lives of researchers have necessitated the usage of simulations in projects which may not have initially relied on anything other than physical inquiry and experiments. The programs and algorithms introduced in this paper, which is an extended version of research initially published in ARAIG And Minecraft: A COVID-19 Workaround, create…

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(This article belongs to the Special Issue on Innovation in Computing, Engineering Science & Technology 2022 & Section Interdisciplinary Applications of Computer Science (CSI))
Open AccessArticle
7 Pages, 5,911 KB Download PDF

Computer Vision Radar for Autonomous Driving using Histogram Method

Advances in Science, Technology and Engineering Systems Journal, Volume 7, Issue 4, Page # 42–48, 2022; DOI: 10.25046/aj070407
Abstract:

Mobility is a fundamental human desire. All societies aspire to safe and efficient mobility at low ecological and economic costs. ADAS systems (Advanced Driver Assistance Systems) are safety systems designed to eliminate human error in driving vehicles of all types. ADAS systems such as Radars use advanced technologies to assist the driver while driving and…

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(This article belongs to the Special Issue on Innovation in Computing, Engineering Science & Technology 2022 & Section Automation & Control Systems (ACS))
Open AccessArticle
6 Pages, 1,654 KB Download PDF

Maintainability Improving Effects such as Insulation Deterioration Diagnosis in Solitary Wave Track Circuit

Advances in Science, Technology and Engineering Systems Journal, Volume 7, Issue 4, Page # 9–14, 2022; DOI: 10.25046/aj070402
Abstract:

This paper is an extended version of the journal presented at ICECCME2021. In ICECCME2021, the authors presented that we have developed a solitary wave track circuit (SW-TC), and it is energy-saving compared to existing track circuits. Furthermore, we also explained that it can realize advanced train control at a low cost, equivalent to digital automatic…

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(This article belongs to the Special Issue on Innovation in Computing, Engineering Science & Technology 2022 & Section Railway Engineering (ERL))
Open AccessArticle
13 Pages, 40,686 KB Download PDF

Automated Robotic System for Sample Preparation and Measurement of Heavy Metals in Indoor Dust Using Inductively Coupled Plasma Mass Spectrometry (ICP-MS)

Advances in Science, Technology and Engineering Systems Journal, Volume 7, Issue 3, Page # 139–151, 2022; DOI: 10.25046/aj070316
Abstract:

Dust is ubiquitous in our daily environment—outdoor and indoor. In modern times, people often spend the majority of their time at home, in offices, at work or in schools. Suspended particles such as tiny crumbs up to long fibers generate indoor dust deposits. Inhouse sources are the interior releasing abraded fibers from carpets, bedding and…

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(This article belongs to the Special Issue on Innovation in Computing, Engineering Science & Technology 2022 & Section Biomedical Engineering (EBI))
Open AccessArticle
10 Pages, 2,406 KB Download PDF

Indoor Position and Movement Direction Estimation System Using DNN on BLE Beacon RSSI Fingerprints

Advances in Science, Technology and Engineering Systems Journal, Volume 7, Issue 3, Page # 129–138, 2022; DOI: 10.25046/aj070315
Abstract:

In this paper, we propose a highly accurate indoor position and direction estimation system using a simple fully connected deep neural network (DNN) model on Bluetooth Low Energy (BLE) Received Signal Strength Indicators (RSSIs). Since the system’s ultimate goal is to function as an indoor navigation system, the system estimates the indoor position simultaneously as…

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(This article belongs to the Special Issue on Innovation in Computing, Engineering Science & Technology 2022 & Section Hardware & Architecture in Computer Science (CHA))
Open AccessArticle
10 Pages, 865 KB Download PDF

Secured Multi-Layer Blockchain Framework for IoT Aggregate Verification

Advances in Science, Technology and Engineering Systems Journal, Volume 7, Issue 3, Page # 106–115, 2022; DOI: 10.25046/aj070312
Abstract:

Technologies designed for digital provenance, especially the Internet of Things (IoT) and blockchain, may allow for security, transparency, and traceability in the global supply chain. However, upstream nodes in the supply chain that work for large-scale production suppliers are not considered. In addition, most IoT blockchain systems adopt an ID-based signature scheme that may affect…

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(This article belongs to the Special Issue on Innovation in Computing, Engineering Science & Technology 2022 & Section Interdisciplinary Applications of Computer Science (CSI))
Open AccessArticle
8 Pages, 4,672 KB Download PDF

A CMOS On-Chip High-Precision PVTL Detector

Advances in Science, Technology and Engineering Systems Journal, Volume 7, Issue 3, Page # 87–94, 2022; DOI: 10.25046/aj070310
Abstract:

A novel PVTL (Process, Voltage, Temperature, Leakage) detection circuit consisting of four individual detectors is proposed in the investigation. Voltage Variation Detector is composed of a feedback control block comprising multi-stage delay cells using high Vth devices such that 0.5% of VDD variation can be detected. Temperature Detector based on a current to pulse converter…

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(This article belongs to Section Electronic Engineering (EEE))
Open AccessArticle
15 Pages, 366 KB Download PDF

Leakage-abuse Attacks Against Forward Private Searchable Symmetric Encryption

Advances in Science, Technology and Engineering Systems Journal, Volume 7, Issue 2, Page # 156–170, 2022; DOI: 10.25046/aj070216
Abstract:

Dynamic Searchable Symmetric Encryption (DSSE) methods address the problem of securely outsourcing updating private data into a semi-trusted cloud server. Furthermore, Forward Privacy (FP) notion was introduced to limit data leakage and thwart the related attacks on DSSE approaches. FP schemes ensure previous search queries cannot be linked to future updates and newly added files.…

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(This article belongs to the Special Issue on Multidisciplinary Sciences and Engineering 2021-22 & Section Information Systems in Computer Science (CIS))
Open AccessReview
7 Pages, 2,183 KB Download PDF

COVIDFREE App: The User-Enabling Contact Prevention Application: A Review

Advances in Science, Technology and Engineering Systems Journal, Volume 7, Issue 2, Page # 149–155, 2022; DOI: 10.25046/aj070215
Abstract:

The use of Covid-19 contact tracing applications has become almost irrelevant now that several flavors of Covid-19 vaccine have been developed and are constantly being distributed to people during the pandemic to help alleviate the need for lockdowns. Also, the availability of at-home testing kits and testing sites means that people do not need to…

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(This article belongs to the Special Issue on Multidisciplinary Sciences and Engineering 2021-22 & Section Interdisciplinary Applications of Computer Science (CSI))
Open AccessArticle
10 Pages, 832 KB Download PDF

An Interdisciplinary Approach to Fracture of Solids from the Standpoint of Condensed Matter Physics

Advances in Science, Technology and Engineering Systems Journal, Volume 7, Issue 2, Page # 133–142, 2022; DOI: 10.25046/aj070213
Abstract:

Instead of approaches of solid mechanics or a formal description of experimental data an interdisciplinary approach is proposed to consider failure and deformation as thermodynamic processes. Mathematical modeling of the processes is carried out using rheological models of the material. One fracture criterion is used, that formally corresponds to the achievement of a threshold concentration…

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(This article belongs to the Special Issue on Multidisciplinary Sciences and Engineering 2021-22 & Section Multidisciplinary Materials Science (MMU))
Open AccessArticle
21 Pages, 1,007 KB Download PDF

On the Construction of Symmetries and Retaining Lifted Representations in Dynamic Probabilistic Relational Models

Advances in Science, Technology and Engineering Systems Journal, Volume 7, Issue 2, Page # 73–93, 2022; DOI: 10.25046/aj070207
Abstract:

Our world is characterised by uncertainty and complex, relational structures that carry temporal information, yielding large dynamic probabilistic relational models at the centre of many applications. We consider an example from logistics in which the transportation of cargoes using vessels (objects) driven by the amount of supply and the potential to generate revenue (relational) changes…

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(This article belongs to the Special Issue on Multidisciplinary Sciences and Engineering 2021-22 & Section Applied Mathematics (MAP))
Open AccessArticle
18 Pages, 574 KB Download PDF

Efficient Publicly Verifiable Proofs of Data Replication and Retrievability Applicable for Cloud Storage

Advances in Science, Technology and Engineering Systems Journal, Volume 7, Issue 1, Page # 107–124, 2022; DOI: 10.25046/aj070111
Abstract:

Using Proofs of Retrievability (PORs), a file owner is able to check that a cloud server correctly stores her files. Using Proofs of Retrievability and Reliability (PORRs), she can even verify at the same time that the cloud server correctly stores both her original files and their replicas. In 2020, a new PORR combined with…

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(This article belongs to the Special Issue on Multidisciplinary Sciences and Engineering 2021-22 & Section Interdisciplinary Applications of Computer Science (CSI))
Open AccessArticle
7 Pages, 1,060 KB Download PDF

Optimization of the Sliding Mode Control (SMC) with the Particle Swarm Optimization (PSO) Algorithm for Photovoltaic Systems Based on MPPT

Advances in Science, Technology and Engineering Systems Journal, Volume 7, Issue 1, Page # 100–106, 2022; DOI: 10.25046/aj070110
Abstract:

Photovoltaic systems are classified as non-linear systems. On the other hand, the characteristics of photovoltaic cells are non-linear. For this reason, researchers use several methods of maximum power monitoring (MPPT) to improve the performance of photovoltaic system. It is therefore necessary to use an adaptation stage between the photovoltaic generator (GPV) and the load to…

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(This article belongs to Section Automation & Control Systems (ACS))
Open AccessArticle
10 Pages, 514 KB Download PDF

Estimation of Non-homogeneous Thermal Conductivity using Fourier Heat Equation Considering Uncertainty and Error Propagation

Advances in Science, Technology and Engineering Systems Journal, Volume 7, Issue 1, Page # 90–99, 2022; DOI: 10.25046/aj070109
Abstract:

The present work develops an estimator for thermal conductivity using a simple exper- iment implemented in a simulated solid metallic bar. The bar is sectioned in a finite number of segments, lately called nodes, and a discretization of the Fourier heat equation is applied in each node to generate a timed-spaced model of the temperature…

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(This article belongs to Section Thermodynamics (THD))
Open AccessArticle
16 Pages, 2,509 KB Download PDF

Spatio-Temporal Analysis of Drought over the Guinean-Sudano Ecological Zone, Northern Nigeria

Advances in Science, Technology and Engineering Systems Journal, Volume 6, Issue 6, Page # 151–166, 2021; DOI: 10.25046/aj060620
Abstract:

Drought has become more common and severe in recent decades due to increased global changes in climatic conditions and anthropogenic activities thereby analyzing drought at both regional and local levels is crucial. And so, this study aims at assessing drought risk in Northern Nigeria using NDVI and SPI. Data used included satellite images (Landsat OLI-TIRS,…

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(This article belongs to Section Environmental Sciences (ENS))
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