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Open AccessArticle
10 Pages, 31,390 KB Download PDF

Implementation and Simulation of Sequential Adverse Condition Scenarios for Autonomous Driving

Advances in Science, Technology and Engineering Systems Journal, Volume 10, Issue 5, Page # 1–10, 2025; DOI: 10.25046/aj100501
Abstract:

Establishing an environment that allows for the quantitative evaluation of the ability of autonomous driving systems to respond to real-world adverse conditions is crucial to ensuring their safety and reliability. This study proposes a dynamic scenario-based simulation framework that simulates complex and sequential hazardous scenarios frequently encountered in actual road environments. The proposed scenarios are…

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(This article belongs to the SP19 (Special Issue on Innovation in Computing, Engineering Science & Technology 2025-26) & Section Transportation Science & Technology (TST))
Open AccessArticle
12 Pages, 914 KB Download PDF

Complete System and Interactions of MMF Harmonics in a Squirrel Cage Induction Motor; Differential Leakage; Analytic Calculation

Advances in Science, Technology and Engineering Systems Journal, Volume 10, Issue 4, Page # 20–31, 2025; DOI: 10.25046/aj100403
Abstract:

The importance of MMF space harmonics in squirrel-cage induction motors has been recognized in the literature since the beginning. Their details have been analyzed over the years, but only partly systematized. In this article, however, not only the origin and the entire system of that harmonics are described, but also their interaction causing the asynchronous…

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(This article belongs to Section Electrical Engineering (ELE))
Open AccessArticle
15 Pages, 704 KB Download PDF

Selection of Rotor Slot Number in 3-phase and 5-phase Squirrel Cage Induction Motor; Analytic Calculation

Advances in Science, Technology and Engineering Systems Journal, Volume 10, Issue 1, Page # 60–74, 2025; DOI: 10.25046/aj100107
Abstract:

With the spread of inverters, the attention of designers naturally turned to 5-phase motors, due to their advantageous properties. In this regard, perhaps the most important issue in the design of such machines is the selection of the correct rotor slot number. Many articles have been published on multiphase machines, however, only few of them…

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(This article belongs to Section Electrical Engineering (ELE))
Open AccessArticle
13 Pages, 484 KB Download PDF

On Mining Most Popular Packages

Advances in Science, Technology and Engineering Systems Journal, Volume 9, Issue 4, Page # 60–72, 2024; DOI: 10.25046/aj090407
Abstract:

In this paper, we will discuss two algorithms to solve the so-called package design problem, by which a set of queries (referred to as a query log) is represented by a collection of bit strings with each indicating the favourite activities or items of customers. For such a query log, we are required to design…

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(This article belongs to Section Artificial Intelligence in Computer Science (CAI))
Open AccessArticle
10 Pages, 9,475 KB Download PDF

Mathematical Model of Wind Turbine Simulator Based Five-Phase Permanent Magnet Synchronous Generator with Nonlinear Loads and Harmonic Analysis

Advances in Science, Technology and Engineering Systems Journal, Volume 9, Issue 1, Page # 165–174, 2024; DOI: 10.25046/aj090116
Abstract:

This paper presents mathematical model of a wind turbine simulator based five-phase permanent magnet generator supplying nonlinear load. The mathematical model of wind turbine characteristics together with available tool blocks of the five-phase permanent generator and semiconductor devices of an AC-DC converter formed as a nonlinear load is implemented on MATLAB /Simulink to investigate the…

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(This article belongs to the SP15 (Special Issue on Innovation in Computing, Engineering Science & Technology 2023) & Section Electrical Engineering (ELE))
Open AccessArticle
6 Pages, 823 KB Download PDF

Investigating Heart Rate Variability Index Classification in Macaca fascicularis and Humans: Exploring Applications for Personal Identification and Anonymization Studies

Advances in Science, Technology and Engineering Systems Journal, Volume 9, Issue 1, Page # 143–148, 2024; DOI: 10.25046/aj090114
Abstract:

In this paper, we determine the feasibility of differentiating between the heart rate patterns of Macaca fascicularis and human infants by comparing pertinent hyperparameters. This verification process was undertaken to ascertain the suitability of Macaca fascicularis heart rate data as a testbed for evaluating heart rate parameter privacy safeguarding methodologies. The biological characteristics of Macaca…

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(This article belongs to the SP15 (Special Issue on Innovation in Computing, Engineering Science & Technology 2023) & Section Bioinformatics (BIF))
Open AccessArticle
10 Pages, 1,174 KB Download PDF

Smart Agent-Based Direct Load Control of Air Conditioner Populations in Demand Side Management

Advances in Science, Technology and Engineering Systems Journal, Volume 9, Issue 1, Page # 114–123, 2024; DOI: 10.25046/aj090111
Abstract:

The integration of fluctuating renewable resources such as wind and solar into existing power systems poses challenges to grid reliability and the seamless incorporation of these resources. To address the inherent variability in renewable generation, direct load control emerges as a promising method for demand-side management. Thermostatically controlled appliances, like air conditioners, hold a significant…

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(This article belongs to the SP15 (Special Issue on Innovation in Computing, Engineering Science & Technology 2023) & Section Electrical Engineering (ELE))
Open AccessArticle
11 Pages, 2,330 KB Download PDF

IoT System and Deep Learning Model to Predict Cardiovascular Disease Based on ECG Signal

Advances in Science, Technology and Engineering Systems Journal, Volume 8, Issue 6, Page # 08–18, 2023; DOI: 10.25046/aj080602
Abstract:

In this work, our contribution will intervene to reduce the impact of noises on the ECG signals. Various ECG denoising approaches were tested to see how efficient they were in removing dominant noises that add to pure ECG signals. Due to different causes such as interference, muscular noise, body movement related to breathing, and so…

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(This article belongs to Section Artificial Intelligence in Computer Science (CAI))
Open AccessArticle
6 Pages, 2,631 KB Download PDF

Simulation of Obstacle Detection Based on Optical Flow Images for Avoidance Control of Mobile Robots

Advances in Science, Technology and Engineering Systems Journal, Volume 8, Issue 3, Page # 244–249, 2023; DOI: 10.25046/aj080327
Abstract:

The article presents a simulation of obstacle detection based on noise-free optical flow images for motion control of mobile robots. The detection of hazardous areas in optical flow images is accomplished by dividing multiple layers of optical flow vectors into equal parts. Based on the results of calculating the average magnitude of the vectors in…

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(This article belongs to the SP15 (Special Issue on Innovation in Computing, Engineering Science & Technology 2023) & Section Robotics (ROB))
Open AccessArticle
9 Pages, 2,146 KB Download PDF

Design and Implementation of an Automated Medicinal-Pill Dispenser with Wireless and Cellular Connectivity

Advances in Science, Technology and Engineering Systems Journal, Volume 8, Issue 3, Page # 161–169, 2023; DOI: 10.25046/aj080318
Abstract:

Medical adherence is a major concern globally and is increasing with improved access to medication. Unfortunately, patients taking multiple medications often struggle with confusion about when and how to take each medication. To address this issue, an inexpensive domestic device has been proposed to improve medication adherence. This device uses Wi-Fi and cellular Internet of…

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(This article belongs to the SP14 (Special Issue on Computing, Engineering and Multidisciplinary Sciences 2022-23) & Section Information Systems in Computer Science (CIS))
Open AccessArticle
7 Pages, 1,734 KB Download PDF

Active Simulation of Grounded Parallel-Type Immittance Functions Employing VDBAs and All Grounded Passive Components

Advances in Science, Technology and Engineering Systems Journal, Volume 8, Issue 1, Page # 131–137, 2023; DOI: 10.25046/aj080116
Abstract:

This communication proposes a grounded immittance function simulator that, depending on the proper choice of the passive components, can simulate parallel-type impedances of the R-L, R-C, and L-C forms. Only two grounded passive components and two voltage differencing buffered amplifiers (VDBAs) are used to implement the suggested circuit. All three simulated equivalent elements, namely Req,…

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(This article belongs to the SP14 (Special Issue on Computing, Engineering and Multidisciplinary Sciences 2022-23) & Section Electrical Engineering (ELE))
Open AccessArticle
7 Pages, 3,544 KB Download PDF

Conception and Simulation of an Electronic Nose Prototype for Olfactory Acquisition

Advances in Science, Technology and Engineering Systems Journal, Volume 8, Issue 1, Page # 101–107, 2023; DOI: 10.25046/aj080112
Abstract:

The “Electronic Nose” approach, which is exclusive to gas measurement systems, uses gas sensors as odor detectors. Design faults exist in the existing electronic nose (e-nose) chamber, such as its large volume, difficult construction, etc. In order to obtain measurements in a satisfactory state, we want to create a gas chamber that can provide favorable…

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(This article belongs to the SP13 (Special Issue on Innovation in Computing, Engineering Science & Technology 2022) & Section Instruments & Instrumentation (IIN))
Open AccessArticle
6 Pages, 2,133 KB Download PDF

Design, Optimization and Simulation of a New Decoder for Reed Solomon and BCH Codes using the New Syndromes Block

Advances in Science, Technology and Engineering Systems Journal, Volume 8, Issue 1, Page # 38–43, 2023; DOI: 10.25046/aj080105
Abstract:

In this paper, a new syndrome block for Reed Solomon RS and BCH codes used respectively in digital Video broadcasting DVB-S and DVB-S2 has been presented in order to reduce the number of iterations compared to the existed block, which can be found in the literature, the new method is based on a factorization of…

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(This article belongs to Section Biomedical Engineering (EBI))
Open AccessArticle
11 Pages, 1,647 KB Download PDF

An Ensemble of Voting- based Deep Learning Models with Regularization Functions for Sleep Stage Classification

Advances in Science, Technology and Engineering Systems Journal, Volume 8, Issue 1, Page # 84–94, 2023; DOI: 10.25046/aj080110
Abstract:

Sleep stage performs a vital role in people’s daily lives in the detection of sleep-related diseases. Conventional automated sleep stage classifier models are not efficient due to the complexity linked to the design of mathematical models and extraction of hand-engineering features. Further, quick oscillations amongst sleep stages frequently lead to indistinct feature extraction, which might…

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(This article belongs to Section Biomedical Engineering (EBI))
Open AccessArticle
5 Pages, 1,260 KB Download PDF

Characterization and Investigating the Effect of Gate-Insulator Thickness on Co-Axial Cylindrical Carbon Nanotube Field Effect Transistor

Advances in Science, Technology and Engineering Systems Journal, Volume 8, Issue 1, Page # 12–16, 2023; DOI: 10.25046/aj080102
Abstract:

Carbon nanotube field effect transistor (CNTFET) has a huge advantage over the Si- MOSFET. In MOSFET switching occurs by altering channel resistivity whereas in CNTFET switching occurs by modulation contact resistance. CNTFET generates three to four times of drive current than MOSFET. Transconductance of CNTFET is four times higher than the MOSFET. The average carrier…

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(This article belongs to the SP14 (Special Issue on Computing, Engineering and Multidisciplinary Sciences 2022-23) & Section Electronic Engineering (EEE))
Open AccessArticle
8 Pages, 2,999 KB Download PDF

Regular Tessellation-Based Collective Movement for a Robot Swarm with Varying Densities, Scales, and Shapes

Advances in Science, Technology and Engineering Systems Journal, Volume 7, Issue 6, Page # 31–38, 2022; DOI: 10.25046/aj070604
Abstract:

In complex swarm robotic applications that perform different tasks such as transportation and observation, robot swarms should construct and maintain a formation to adapt and move as a single large-scale robot. For example, transportation and observation tasks require unique robot swarms with either high densities to support the weight of the transported objects or low…

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(This article belongs to the SP13 (Special Issue on Innovation in Computing, Engineering Science & Technology 2022) & Section Automation & Control Systems (ACS))
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
12 Pages, 3,279 KB Download PDF

DEM models Calibration and Application to Simulate the Phosphate Ore Clogging

Advances in Science, Technology and Engineering Systems Journal, Volume 7, Issue 5, Page # 79–90, 2022; DOI: 10.25046/aj070511
Abstract:

In different areas of industry (mining, food processing, pharmaceutical, manufacturing…), the problem of grain, aggregate and clusters flow arises during the handling activities especially loading and unloading. Thus, the study and control of the parameters that govern the flow of the granular medium and its interaction with its environment are key parameters to achieve the…

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(This article belongs to the SP13 (Special Issue on Innovation in Computing, Engineering Science & Technology 2022) & Section Chemical Engineering (ENC))
Open AccessArticle
6 Pages, 826 KB Download PDF

Regularity of Radon Transform on a Convex Shape

Advances in Science, Technology and Engineering Systems Journal, Volume 7, Issue 4, Page # 121–126, 2022; DOI: 10.25046/aj070416
Abstract:

Radon transform is a mathematical tool widely applied in various domains, including biophysics and computer tomography. Previously, it was discovered that applying the Radon transform to a binary image comprising circle forms resulted in discontinuity. As a result, the line detection approach based on it became discontinued. The d-Radon transform is a modified version of…

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(This article belongs to the SP13 (Special Issue on Innovation in Computing, Engineering Science & Technology 2022) & Section Applied Mathematics (MAP))
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 SP13 (Special Issue on Innovation in Computing, Engineering Science & Technology 2022) & Section Interdisciplinary Applications of Computer Science (CSI))
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 SP13 (Special Issue on Innovation in Computing, Engineering Science & Technology 2022) & Section Railway Engineering (ERL))
Open AccessArticle
8 Pages, 1,023 KB Download PDF

A Constrained Intelligent Nonlinear Control Method for Redundant Robotic Manipulators

Advances in Science, Technology and Engineering Systems Journal, Volume 7, Issue 3, Page # 174–181, 2022; DOI: 10.25046/aj070320
Abstract:

Redundant robotic systems provide great challenges in solving kinematics and control problems, that are yet also open opportunities for exploring new, diverse and intelligent ideas and methods. In this paper, an advanced control method is proposed for position control problems of redundant robots with output constraints. The controller is structured with two control layers. In…

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(This article belongs to the SP13 (Special Issue on Innovation in Computing, Engineering Science & Technology 2022) & Section Robotics (ROB))
Open AccessArticle
7 Pages, 481 KB Download PDF

Methodology for Calculating Shock Loads on the Human Foot

Advances in Science, Technology and Engineering Systems Journal, Volume 6, Issue 2, Page # 58–64, 2021; DOI: 10.25046/aj060208
Abstract:

The leading place among diseases of the musculoskeletal system is occupied by various feet deformations. Clinical movement analysis and posturological examination are required to objectively assess the distribution for load caused by the weight of human body on the feet and its locomotion effect. In normal conditions, the foot is exposed to elastic deformations. When…

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(This article belongs to the SP10 (Special Issue on Multidisciplinary Sciences and Engineering 2020-21) & Section Biomedical Engineering (EBI))
Open AccessArticle
7 Pages, 1,800 KB Download PDF

Enhanced Dynamic Cross Layer Mechanism for real time HEVC Streaming over Vehicular Ad-hoc Networks (VANETs)

Advances in Science, Technology and Engineering Systems Journal, Volume 7, Issue 2, Page # 18–24, 2022; DOI: 10.25046/aj070202
Abstract:

Various applications have helped make vehicular Ad-hoc network communication a reality. Real-time applications, for example, need broadcasting in high video quality with minimal latency. The new High-Efficiency Video Coding (HEVC) has shown great promise for real-time video transmission through Vehicle Ad-hoc Networks due to its high compression level. These networks, on the other hand, have…

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(This article belongs to the SP12 (Special Issue on Multidisciplinary Sciences and Engineering 2021-22) & Section Hardware & Architecture in Computer Science (CHA))
Open AccessArticle
7 Pages, 857 KB Download PDF

Self-Regulated Learning and Academic Achievement of Physics Students in Selected Secondary Schools in Aguata Local Government Area of Anambra State, Nigeria

Advances in Science, Technology and Engineering Systems Journal, Volume 7, Issue 1, Page # 1–7, 2022; DOI: 10.25046/aj070101
Abstract:

The research investigated the consequence of self-regulated learning on students’ academic performance in physics, using selected public co-education schools in Aguata Educational Zone, Anambra State as the research area. The study became necessary as a result of the observed persistent poor performance of the student in Physics in external examinations over the years. The study…

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(This article belongs to Section Applied Physics (PAP))
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