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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 SP13 (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 SP13 (Special Issue on Innovation in Computing, Engineering Science & Technology 2022) & Section Electronic Engineering (EEE))
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 SP13 (Special Issue on Innovation in Computing, Engineering Science & Technology 2022) & Section Automation & Control Systems (ACS))
Open AccessArticle
8 Pages, 5,771 KB Download PDF

The use of Integrated Geophysical Methods to Assess the Petroleum Reservoir in Doba Basin, Chad

Advances in Science, Technology and Engineering Systems Journal, Volume 7, Issue 4, Page # 34–41, 2022; DOI: 10.25046/aj070406
Abstract:

Hydrocarbon exploration and production has been successful in the central region of Doba basin, Chad, north-central Africa. In order to optimize the hydrocarbon production in this area, the combination of seismic and well log datas have been processed and analyzed to better characterize, image and capture the reservoirs. The 3D seismic and well log datas…

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(This article belongs to Section Multidisciplinary Geosciences (GMU))
Open AccessArticle
6 Pages, 7,103 KB Download PDF

Assessment of Electromagnetic-Based Sensing Modalities for Red Palm Weevil Detection in Palm Trees

Advances in Science, Technology and Engineering Systems Journal, Volume 7, Issue 4, Page # 28–33, 2022; DOI: 10.25046/aj070405
Abstract:

In this paper, we investigate the utilization of three effective detection methods to identify potential threats of insects in date palm trees. The detection techniques presented here are the application of infrared radiation, microwave antennas and metamaterials based sensors. Experimental trials using IR radiation took place in a local farm. Moreover, the second sensing system…

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(This article belongs to the SP13 (Special Issue on Innovation in Computing, Engineering Science & Technology 2022) & Section Agricultural Engineering (AEN))
Open AccessArticle
8 Pages, 3,495 KB Download PDF

Lung Cancer Tumor Detection Method Using Improved CT Images on a One-stage Detector

Advances in Science, Technology and Engineering Systems Journal, Volume 7, Issue 4, Page # 1–8, 2022; DOI: 10.25046/aj070401
Abstract:

Owing to the recent development of AI technology, various studies on computer-aided diagnosis systems for CT image interpretation are being conducted. In particular, studies on the detection of lung cancer which is leading the death rate are being conducted in image processing and artificial intelligence fields. In this study, to improve the anatomical interpretation ability…

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(This article belongs to the SP13 (Special Issue on Innovation in Computing, Engineering Science & Technology 2022) & Section Artificial Intelligence in Computer Science (CAI))
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
5 Pages, 4,036 KB Download PDF

NiO Quantum dots Doped Triple Cation Perovskite \(\mathrm{CsMAFAPbI_2Br_2}\) Heterojunction Photodetector with High Responsivity

Advances in Science, Technology and Engineering Systems Journal, Volume 7, Issue 3, Page # 161–165, 2022; DOI: 10.25046/aj070318
Abstract:

Optoelectronic devices applications based on Organic–inorganic perovskites are promising and effective low-cost energy materials due to their exceptional physical properties which include high carrier mobility, high optical absorption coefficient, and long carrier diffusion length. In the presented work, a TiO2/NiO+5% Fe quantum dots (QDs)–doped CsMAFAPbI2Br2 perovskite heterojunction broadband photodetector was fabricated on FTO/glass substrate. The…

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(This article belongs to Section Coatings & Films in Materials Science (MCF))
Open AccessArticle
7 Pages, 5,500 KB Download PDF

Physical and Emission Properties of Blended Bio-Coal Briquettes Derived from Agro-Wastes in Nigeria

Advances in Science, Technology and Engineering Systems Journal, Volume 7, Issue 3, Page # 116–122, 2022; DOI: 10.25046/aj070313
Abstract:

Nigeria has one of the highest deforestation rates in the world, due mainly to felling of trees for fuelwood and charcoal production. This challenge could be managed if agricultural waste briquettes are used to augment the fuelwood demand for cooking energy provisioning. Energy density of biomass fuels can be raised by blending with coal, but…

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(This article belongs to Section Energy & Fuels (ENF))
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 SP13 (Special Issue on Innovation in Computing, Engineering Science & Technology 2022) & Section Interdisciplinary Applications of Computer Science (CSI))
Open AccessArticle
11 Pages, 1,136 KB Download PDF

A Secure Trust Aware ACO-Based WSN Routing Protocol for IoT

Advances in Science, Technology and Engineering Systems Journal, Volume 7, Issue 3, Page # 95–105, 2022; DOI: 10.25046/aj070311
Abstract:

The Internet of Things (IoT) is the evolving paradigm of interconnectedness of objects with varied architectures and resources to provide ubiquitous and desired services. The popularization of IoT-connected devices facilitating evolution of IoT applications does come with security challenges. The IoT with the integration of wireless sensor networks possess a number of unique characteristics, so…

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(This article belongs to the SP12 (Special Issue on Multidisciplinary Sciences and Engineering 2021-22) & Section Information Systems in Computer Science (CIS))
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
12 Pages, 2,090 KB Download PDF

High Performance SqueezeNext: Real time deployment on Bluebox 2.0 by NXP

Advances in Science, Technology and Engineering Systems Journal, Volume 7, Issue 3, Page # 70–81, 2022; DOI: 10.25046/aj070308
Abstract:

DNN implementation and deployment is quite a challenge within a resource constrained environment on real-time embedded platforms. To attain the goal of DNN tailor made architecture deployment on a real-time embedded platform with limited hardware resources (low computational and memory resources) in comparison to a CPU or GPU based system, High Performance SqueezeNext (HPS) architecture…

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(This article belongs to Section Artificial Intelligence in Computer Science (CAI))
Open AccessArticle
8 Pages, 1,415 KB Download PDF

A New Technique to Accelerate the Learning Process in Agents based on Reinforcement Learning

Advances in Science, Technology and Engineering Systems Journal, Volume 7, Issue 3, Page # 62–69, 2022; DOI: 10.25046/aj070307
Abstract:

The use of decentralized reinforcement learning (RL) in the context of multi-agent systems (MAS) poses some difficult problems. The speed of the learning process for example. Indeed, if the convergence of these algorithms has been widely studied and mathematically proven, they suffer from being very slow. In this context, we propose to use RL in…

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(This article belongs to Section Artificial Intelligence in Computer Science (CAI))
Open AccessArticle
12 Pages, 3,003 KB Download PDF

Encompassing Chaos in Brain-inspired Neural Network Models for Substance Identification and Breast Cancer Detection

Advances in Science, Technology and Engineering Systems Journal, Volume 7, Issue 3, Page # 32–43, 2022; DOI: 10.25046/aj070304
Abstract:

The main purpose in this work is to explore the fact that chaos, as a biological characteristic in the brain, should be used in an Artificial Neural Network (ANN) system. In fact, as long as chaos is present in brain functionalities, its properties need empirical investigations to show their potential to enhance accuracies in artificial…

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(This article belongs to the SP12 (Special Issue on Multidisciplinary Sciences and Engineering 2021-22) & Section Artificial Intelligence in Computer Science (CAI))
Open AccessArticle
11 Pages, 1,561 KB Download PDF

Heuristic Analysis of Overall Performance Measurement Perception and Management in Automotive Industry

Advances in Science, Technology and Engineering Systems Journal, Volume 7, Issue 3, Page # 1–11, 2022; DOI: 10.25046/aj070301
Abstract:

Overall Performance (OP) measurement is an essential instrument in sustainable manufacturing implementation and management. The effective use of key performance indicators (KPIs) can potentially contribute to identify the firm’s overall performance, provide the crucial gaps between desired results and current actions, and thus facilitate the implementation and execution of improvement strategies. This study attempts to…

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(This article belongs to Section Engineering Management (EMM))
Open AccessArticle
12 Pages, 1,751 KB Download PDF

Cloud-Based Hierarchical Consortium Blockchain Networks for Timely Publication and Efficient Retrieval of Electronic Health Records

Advances in Science, Technology and Engineering Systems Journal, Volume 7, Issue 2, Page # 179–190, 2022; DOI: 10.25046/aj070218
Abstract:

Blockchain technology is seeing a trend of popularity and adoption in many different application areas. One such area is healthcare, as there is a need to develop a system that can reliably store and share electronic health records (EHRs) among hospital-based health facilities. In this paper, we present a cloud-based hierarchical consortium blockchain framework for…

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(This article belongs to the SP12 (Special Issue on Multidisciplinary Sciences and Engineering 2021-22) & Section Information Systems in Computer Science (CIS))
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 SP12 (Special Issue on Multidisciplinary Sciences and Engineering 2021-22) & Section Multidisciplinary Materials Science (MMU))
Open AccessArticle
6 Pages, 623 KB Download PDF

Forensic Analysis of “WhatsApp” Artifacts in Android without Root

Advances in Science, Technology and Engineering Systems Journal, Volume 7, Issue 2, Page # 127–132, 2022; DOI: 10.25046/aj070212
Abstract:

WhatsApp application is considered the largest messaging application around the world and an important source of information, they just incorporated a new technique that operates on end-to-end encryption, which presents a significant problem for forensic investigators and analysts. This study describes how to recover the encryption key from WhatsApp to decrypt WhatsApp databases and retrieve…

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(This article belongs to Section Information Systems in Computer Science (CIS))
Open AccessArticle
8 Pages, 2,409 KB Download PDF

A Unified Visual Saliency Model for Automatic Image Description Generation for General and Medical Images

Advances in Science, Technology and Engineering Systems Journal, Volume 7, Issue 2, Page # 119–126, 2022; DOI: 10.25046/aj070211
Abstract:

An enduring vision of Artificial Intelligence is to build robots that can recognize and learn the visual world and who can speak about it in natural language. Automatic image description generation is a demanding problem in Computer Vision and Natural Language Processing. The applications of image description generation systems are in biomedicine, military, commerce, digital…

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(This article belongs to Section Artificial Intelligence in Computer Science (CAI))
Open AccessArticle
9 Pages, 6,385 KB Download PDF

Solar Energy Assessment, Estimation, and Modelling using Climate Data and Local Environmental Conditions

Advances in Science, Technology and Engineering Systems Journal, Volume 7, Issue 2, Page # 103–111, 2022; DOI: 10.25046/aj070209
Abstract:

On Renewable Energy (RE), this field covers the most significant share of the world energy demand and challenges on the expensive measurement and maintenance equipment to be used. In all studies and designs, global solar radiation (GSR) measurements require assessment, estimation, and models to be applied together with the environment and meteorological data on installing…

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(This article belongs to the SP12 (Special Issue on Multidisciplinary Sciences and Engineering 2021-22) & Section Green & Sustainable Science & Technology (GSS))
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 SP12 (Special Issue on Multidisciplinary Sciences and Engineering 2021-22) & Section Applied Mathematics (MAP))
Open AccessArticle
10 Pages, 1,873 KB Download PDF

Stability Analysis of a DC Microgrid with Constant Power Load

Advances in Science, Technology and Engineering Systems Journal, Volume 7, Issue 2, Page # 63–72, 2022; DOI: 10.25046/aj070206
Abstract:

DC Microgrids (DCMGs) aggregate and integrate various distribution generation (DG) units through the use of power electronic converters (PECs) that are present on both the source side and the load side of the DCMGs. Tightly regulated PECs at the load side behave as constant power loads (CPLs) and may promote instability in the entire DCMG.…

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(This article belongs to the SP12 (Special Issue on Multidisciplinary Sciences and Engineering 2021-22) & Section Electrical Engineering (ELE))
Open AccessArticle
7 Pages, 428 KB Download PDF

Taxonomy of Security Techniques for Routing Protocols in Mobile Ad-hoc Networks

Advances in Science, Technology and Engineering Systems Journal, Volume 7, Issue 2, Page # 25–31, 2022; DOI: 10.25046/aj070203
Abstract:

The Nodes equipped with wireless technology cooperate in an autonomous and instantaneous way to form a mobile ad hoc network. It turns out that several factors make this type of network vulnerable to various security threats. Considering the sensitivity of user data routed through nodes, routing security should be a priority in mobile ad hoc…

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(This article belongs to Section Network Engineering (ENW))
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))
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