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Open AccessArticle
8 Pages, 1,173 KB Download PDF

Using Formal Methods to Model a Smart School System via TLA+ and its TLC Model Checker for Validation

Advances in Science, Technology and Engineering Systems Journal, Volume 6, Issue 2, Page # 821–828, 2021; DOI: 10.25046/aj060295
Abstract:

Formal methods are one of the efficient tools to verify and validate designs for different kinds of systems. Smart systems are attracting researchers’ attention due to the rapid spread of new technologies all over the world. Modeling a smart system requires connecting heterogeneous subsystems together to build it. Our contribution to this work is in…

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(This article belongs to the SP10 (Special Issue on Multidisciplinary Sciences and Engineering 2020-21) & Section Software Engineering in Computer Science (CSE))
Open AccessArticle
11 Pages, 15,641 KB Download PDF

Advanced Multiple Linear Regression Based Dark Channel Prior Applied on Dehazing Image and Generating Synthetic Haze

Advances in Science, Technology and Engineering Systems Journal, Volume 6, Issue 2, Page # 790–800, 2021; DOI: 10.25046/aj060291
Abstract:

Haze removal is an extremely challenging task, and object detection in the hazy environment has recently gained much attention due to the popularity of autonomous driving and traffic surveillance. In this work, the authors propose a multiple linear regression haze removal model based on a widely adopted dehazing algorithm named Dark Channel Prior. Training this…

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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, 1,535 KB Download PDF

BLDC Motor Vibration Identification by Finite Element Method and Measurements

Advances in Science, Technology and Engineering Systems Journal, Volume 6, Issue 2, Page # 784–789, 2021; DOI: 10.25046/aj060290
Abstract:

Within the results of scientific research, vibrations and their reduction have been described for the brushless direct current motor with permanent magnets (BLDC motor). In this paper, calculations (the finite element method using commercial Finite Element Software Ansys) and measurements were performed to identifying the sources of vibrations in BLDC motor. The article presents numerical…

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(This article belongs to the SP10 (Special Issue on Multidisciplinary Sciences and Engineering 2020-21) & Section Instruments & Instrumentation (IIN))
Open AccessArticle
8 Pages, 1,099 KB Download PDF

Actual Traffic Based Load-Aware Dynamic Point Selection for LTE-Advanced System

Advances in Science, Technology and Engineering Systems Journal, Volume 6, Issue 2, Page # 776–783, 2021; DOI: 10.25046/aj060289
Abstract:

Coordinated MultiPoint (CoMP) has been introduced for LTE-Advanced system to overcome the inter-cell interference problems and enhance the signal quality of cell-edge UEs (User Equipments). With such concept, the overall system performance should be improved considerably to support the significantly increasing amount of demand on data transmission via mobile communication that happens nowadays. Dynamic Point…

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(This article belongs to the isaect-20 (Special Issue on Advanced Electrical and Communication Technologies 2020) & Section Interdisciplinary Applications of Computer Science (CSI))
Open AccessArticle
13 Pages, 911 KB Download PDF

Frequency Scaling for High Performance of Low-End Pipelined Processors

Advances in Science, Technology and Engineering Systems Journal, Volume 6, Issue 2, Page # 763–775, 2021; DOI: 10.25046/aj060288
Abstract:

In the Internet of Things era it is expected that low-end processor domination of the embedded market will be further reaffirmed. Then, a question will arise, on whether it is possible to enhance performance of such processors without the cost of high-end architectures. In this work we propose a better-than-worst-case (BTWC) methodology which enables the…

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(This article belongs to the SP10 (Special Issue on Multidisciplinary Sciences and Engineering 2020-21) & Section Electronic Engineering (EEE))
Open AccessArticle
11 Pages, 818 KB Download PDF

Securing IPv6 Neighbor Discovery using Pre-Shared Key

Advances in Science, Technology and Engineering Systems Journal, Volume 6, Issue 2, Page # 722–732, 2021; DOI: 10.25046/aj060284
Abstract:

Neighbor Discovery Protocol (NDP) is used to discover the MAC address of the connected hosts in Internet Protocol Version 6 (IPv6) in a networked environment. Neighbor Cache Entry (NCE) table holds the association between a host’s IP address and MAC address. However, according to the protocol, the MAC address could be overwritten by sending a…

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(This article belongs to Section Network Engineering (ENW))
Open AccessArticle
7 Pages, 1,216 KB Download PDF

Prototype Design Internet of Things Based Waste Management Using Image Processing

Advances in Science, Technology and Engineering Systems Journal, Volume 6, Issue 2, Page # 709–715, 2021; DOI: 10.25046/aj060282
Abstract:

Waste is currently a serious problem often found in rural areas, rural areas, and even industrial areas. Waste is a side effect of activities carried out by humans to meet social or industrial needs. Increasing human productivity will also increase the amount of waste produced. To overcome this, a sorting management system is needed. Good…

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(This article belongs to Section Electrical Engineering (ELE))
Open AccessArticle
10 Pages, 1,075 KB Download PDF

Dependence of the Knowledge Structure of the Company Employees on a Set of the Competencies

Advances in Science, Technology and Engineering Systems Journal, Volume 6, Issue 2, Page # 699–708, 2021; DOI: 10.25046/aj060281
Abstract:

The article substantiates the relevance of conducting research on the structural characteristics of a company’s employee knowledge, which is the result of his mental activity and his practical experience. The conditions under which information becomes a source of employee knowledge are determined. An abstract analysis of the process of transforming knowledge into an intellectual product…

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(This article belongs to Section Engineering Management (EMM))
Open AccessArticle
5 Pages, 781 KB Download PDF

Food Price Prediction Using Time Series Linear Ridge Regression with The Best Damping Factor

Advances in Science, Technology and Engineering Systems Journal, Volume 6, Issue 2, Page # 694–698, 2021; DOI: 10.25046/aj060280
Abstract:

Forecasting food prices play an important role in livestock and agriculture to maximize profits and minimizing risks. An accurate food price prediction model can help the government which leads to optimization of resource allocation. This paper uses ridge regression as an approach for forecasting with many predictors that are related to the target variable. Ridge…

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(This article belongs to Section Artificial Intelligence in Computer Science (CAI))
Open AccessArticle
5 Pages, 622 KB Download PDF

Analyze Performance of Enterprise Supervision System by Game Theory-Take the case of Tatung Management Rights Competition as Example

Advances in Science, Technology and Engineering Systems Journal, Volume 6, Issue 2, Page # 689–693, 2021; DOI: 10.25046/aj060279
Abstract:

Protecting the rights and interests of shareholders is the important research topic. This study takes ” Tatung Operation Rights Competition” as an example to execute case study. Game tools are applied to analyze which corporate supervision strategies should be used by government. The research and analysis results show that both the corporate group and the…

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(This article belongs to Section Operations Research & Management Science (ORM))
Open AccessArticle
5 Pages, 914 KB Download PDF

Controlling A Multiphase Induction Motor with Multilevel Converter Paradigm

Advances in Science, Technology and Engineering Systems Journal, Volume 6, Issue 2, Page # 641–645, 2021; DOI: 10.25046/aj060274
Abstract:

Induction motors (IM) are used widely in high energy applications where high torque is required such as ships/ aircrafts manufacturing industry. Those motor drivers are populated in many advantages especially their wide control strategies. However, new technology is invented for enhancing efficiency and smoothing the torque curve by increasing number of phases in the motor…

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(This article belongs to Section Electrical Engineering (ELE))
Open AccessArticle
6 Pages, 1,057 KB Download PDF

Comparative Study of Control Algorithms Through Different Converters to Improve the Performance of a Solar Panel

Advances in Science, Technology and Engineering Systems Journal, Volume 6, Issue 2, Page # 629–634, 2021; DOI: 10.25046/aj060272
Abstract:

This article aims at comparing two controls to follow the maximum power point, making use of DC-DC converters for PV uses. All transformers operate continuously. To fulfil maximum power, we will exploit two MPPT controls: a traditional perturb – observe ‘P&O’ and a smart one – the fuzzy logic ‘FL’. The goal of this article…

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(This article belongs to the SP10 (Special Issue on Multidisciplinary Sciences and Engineering 2020-21) & Section Electrical Engineering (ELE))
Open AccessArticle
7 Pages, 1,051 KB Download PDF

Neural Networks and Fuzzy Logic Based Maximum Power Point Tracking Control for Wind Energy Conversion System

Advances in Science, Technology and Engineering Systems Journal, Volume 6, Issue 2, Page # 586–592, 2021; DOI: 10.25046/aj060267
Abstract:

In grid connected wind turbine (WT) systems, the maximum power point tracking (MPPT) approach has a crucial role in optimizing the wind energy efficiency. To search for the maximum power value of the wind turbine, this contribution proposes a new Maximum Power Point Tracking System (MPPT) for wind turbine related to a permanent magnet synchronous…

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(This article belongs to the SP10 (Special Issue on Multidisciplinary Sciences and Engineering 2020-21) & Section Electrical Engineering (ELE))
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
11 Pages, 938 KB Download PDF

Complex Order PI\(^{a+jb}\)D\(^{c+jd}\) Controller Design for a Fractional Order DC Motor System

Advances in Science, Technology and Engineering Systems Journal, Volume 6, Issue 2, Page # 541–551, 2021; DOI: 10.25046/aj060261
Abstract:

Industry 4.0 implementation stipulates effective actuator control. In the present work, a complex order PIa+jb Dc+jd (COPID) controller was designed for a fractional order model of a direct current (DC) motor system. For comparisons, the DC motor system model was also controlled using the conventional proportional integral (PI), proportional integral derivative (PID), proportional resonant (PR) and fractional…

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(This article belongs to the SP10 (Special Issue on Multidisciplinary Sciences and Engineering 2020-21) & Section Automation & Control Systems (ACS))
Open AccessArticle
15 Pages, 468 KB Download PDF

A Model for the Application of Automatic Speech Recognition for Generating Lesson Summaries

Advances in Science, Technology and Engineering Systems Journal, Volume 6, Issue 2, Page # 526–540, 2021; DOI: 10.25046/aj060260
Abstract:

Automatic Speech Recognition (ASR) technology has the potential to improve the learning experience of students in the classroom. This article addresses some of the key theoretical areas identified in the pursuit of implementing a speech recognition system, capable of lesson summary generation in the educational setting. The article discusses: some of the applica- tions of…

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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
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
11 Pages, 1,118 KB Download PDF

A Novel Approach for Evaluating Eddy Current Loss in Wind Turbine Generator Step-Up Transformers

Advances in Science, Technology and Engineering Systems Journal, Volume 6, Issue 2, Page # 488–498, 2021; DOI: 10.25046/aj060256
Abstract:

South Africa is aiming to achieve a generation capacity of about 11.4GW through wind energy systems, which will contribute nearly 15.1% of the country’s energy mix by 2030. Wind energy is one of the principal renewable energy determinations by the South African government, owing to affluent heavy winds in vast and remote coastal areas. In…

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(This article belongs to the SP10 (Special Issue on Multidisciplinary Sciences and Engineering 2020-21) & Section Electrical Engineering (ELE))
Open AccessArticle
8 Pages, 2,664 KB Download PDF

Design Approach of an Electric Single-Seat Vehicle with ABS and TCS for Autonomous Driving Based on Q-Learning Algorithm

Advances in Science, Technology and Engineering Systems Journal, Volume 6, Issue 2, Page # 464–471, 2021; DOI: 10.25046/aj060253
Abstract:

Compared to other types of autonomous vehicles, the single-seat is the simplest when designing, since its compact design makes it an option that can simplify different mechanical aspects and enhance those of greater importance such as the steering and the braking system. Likewise, the electronic and electrical design may be a great improvement on the…

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(This article belongs to the SP10 (Special Issue on Multidisciplinary Sciences and Engineering 2020-21) & Section Automation & Control Systems (ACS))
Open AccessArticle
6 Pages, 507 KB Download PDF

Application of Polynomial Regression Analysis in Evaluating the Techno-Economic Performance of DSPV Transformers

Advances in Science, Technology and Engineering Systems Journal, Volume 6, Issue 2, Page # 458–463, 2021; DOI: 10.25046/aj060252
Abstract:

To this extent, the delineation of techno-economic evaluations for transformers becomes more intricate through a lens of Distributed Solar Photovoltaic (DSPV) market in South Africa. Essentially, the transformer price and loss evaluation techniques should be tailored for calculating the Total Ownership Cost (TOC) of transformers facilitating decentralized energy systems. In South Africa, the traditional coal…

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(This article belongs to the SP10 (Special Issue on Multidisciplinary Sciences and Engineering 2020-21) & Section Electrical Engineering (ELE))
Open AccessArticle
11 Pages, 1,157 KB Download PDF

Development and Improvement of Web Services Selections using Immigrants Scheme of Multi-Objective Genetic Algorithm

Advances in Science, Technology and Engineering Systems Journal, Volume 6, Issue 2, Page # 412–422, 2021; DOI: 10.25046/aj060248
Abstract:

Quality of service is a significant part of formulating a composing of web services to satisfy the user’s request, especially when several services exist and have been implemented in the same field and functionality. The selection process of web services among many options can be taken based on the quality of service considerations, fitness parameters,…

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(This article belongs to Section Information Systems in Computer Science (CIS))
Open AccessArticle
4 Pages, 583 KB Download PDF

Implementation of Blended Learning Models to Improve Student Learning Outcomes in Junior High School

Advances in Science, Technology and Engineering Systems Journal, Volume 6, Issue 2, Page # 374–377, 2021; DOI: 10.25046/aj060243
Abstract:

The purpose of this study is to determine the improvement of the competence of junior high school students through the application of blended learning models. This is a Classroom Action Research comprising of two cycles and two observations of student activities, with the descriptive statistics used for data analysis. From the results of the learning…

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(This article belongs to Section Theory & Methods in Computer Science (CTM))
Open AccessArticle
10 Pages, 884 KB Download PDF

Fetal Electrocardiogram Extraction using Moth Flame Optimization (MFO)-Based Adaptive Filter

Advances in Science, Technology and Engineering Systems Journal, Volume 6, Issue 2, Page # 303–312, 2021; DOI: 10.25046/aj060235
Abstract:

Effective Fetal Electrocardiogram (FECG) Extraction provides medical workers with precise knowledge for monitoring fetal health condition during gestational age. However, Fetal ECG Extraction still remains a challenge as the signal is weak and contaminated with noises of different kinds, more significantly maternal ECG. In this work, a new Moth Flame optimization algorithm (MFO)-based adaptive filter…

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(This article belongs to Section Electrical Engineering (ELE))
Open AccessArticle
8 Pages, 591 KB Download PDF

Improved Detection of Advanced Persistent Threats Using an Anomaly Detection Ensemble Approach

Advances in Science, Technology and Engineering Systems Journal, Volume 6, Issue 2, Page # 295–302, 2021; DOI: 10.25046/aj060234
Abstract:

Rated a high-risk cyber-attack type, Advanced Persistent Threat (APT) has become a cause for concern to cyber security experts. Detecting the presence of APT in order to mitigate this attack has been a major challenge as successful attacks to large organizations still abound. Our approach combines static rule anomaly detection through pattern recognition and machine…

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(This article belongs to Section Cybernetics in Computer Science (CCY))
Open AccessArticle
7 Pages, 958 KB Download PDF

Blockchain Technology-Based Good Distribution Practice Model of Pharmacy Industry in Indonesia

Advances in Science, Technology and Engineering Systems Journal, Volume 6, Issue 2, Page # 267–273, 2021; DOI: 10.25046/aj060230
Abstract:

Distribution is the main activity in integrated product supply chain management. In the pharmaceutical industry, the process of drug distribution is important because of the handling, storage, and distribution of medicinal products with good standards and quality. The problem that occurs in the pharmaceutical industry is the circulation of counterfeit drugs by related parties, for…

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(This article belongs to Section Information Systems in Computer Science (CIS))
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