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Open AccessArticle
11 Pages, 1,691 KB Download PDF

Model Order Reduction and Distribution for Efficient State Estimation in Sensor and Actuator Networks

Advances in Science, Technology and Engineering Systems Journal, Volume 7, Issue 5, Page # 146–156, 2022; DOI: 10.25046/aj070516
Abstract:

We present in this contribution the distribution of a global multi-input-multi-output system in a sensor and actuator network. Based on controllability and observability, the global system is decentralized and the system properties are preserved as a result. This results in multiple decentralized local single-input-single-output systems with the same system order as the global system. As…

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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
17 Pages, 6,350 KB Download PDF

Long-term Bottom-up Modeling of Renewable Energy Development in Morocco

Advances in Science, Technology and Engineering Systems Journal, Volume 7, Issue 5, Page # 129–145, 2022; DOI: 10.25046/aj070515
Abstract:

Renewable energy is an essential source of green growth for countries facing a shortage of fossil fuels. They offer a sustainable, inexhaustible, carbon-free solution to the future energy dependency of nations. Morocco, which has no traditional energy resources, depends entirely on the international primary energy market to meet its growing demand. For this reason, Morocco…

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(This article belongs to the SP13 (Special Issue on Innovation in Computing, Engineering Science & Technology 2022) & Section Green & Sustainable Science & Technology (GSS))
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
9 Pages, 1,070 KB Download PDF

A Proposal of Code Modification Problem for Self-study of Web Client Programming Using JavaScript

Advances in Science, Technology and Engineering Systems Journal, Volume 7, Issue 5, Page # 53–61, 2022; DOI: 10.25046/aj070508
Abstract:

In current societies, web application systems take central roles in computer systems. Thus, web client programming using JavaScript has increased values to add dynamic features and functions in web pages by well working with HTML and CSS. In this paper, as a new type of exercise problem for its self-study, we propose a code modification…

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(This article belongs to the SP13 (Special Issue on Innovation in Computing, Engineering Science & Technology 2022) & Section Software Engineering in Computer Science (CSE))
Open AccessArticle
9 Pages, 15,237 KB Download PDF

Realization of Skillful Musical Saw Bowing by Industrial Collaborative Humanoid Robot

Advances in Science, Technology and Engineering Systems Journal, Volume 7, Issue 5, Page # 1–9, 2022; DOI: 10.25046/aj070501
Abstract:

We have been studying the application of the musical saw, an unknown and advanced tool, to a cooperative humanoid robot for industrial use. A sound feedback system using mallet strike technique and the sound generated by the technique was constructed in the previous reports. The system enables tuning to a target frequency and control to…

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(This article belongs to Section Robotics (ROB))
Open AccessArticle
8 Pages, 1,829 KB Download PDF

Analysis of Different Supervised Machine Learning Methods for Accelerometer-Based Alcohol Consumption Detection from Physical Activity

Advances in Science, Technology and Engineering Systems Journal, Volume 7, Issue 4, Page # 147–154, 2022; DOI: 10.25046/aj070419
Abstract:

This paper builds on the realization that since mobile devices have become a common tool for researchers to collect, process, and analyze large quantities of data, we are now entering a generation where the creation of solutions to difficult real-world problems will mostly come in the form of mobile device apps. One such relevant real-life…

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(This article belongs to Section Interdisciplinary Applications of Computer Science (CSI))
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 SP13 (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 SP13 (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 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
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
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
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))
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