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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
8 Pages, 547 KB Download PDF

Dismantle Shilling Attacks in Recommendations Systems

Advances in Science, Technology and Engineering Systems Journal, Volume 6, Issue 1, Page # 684–691, 2021; DOI: 10.25046/aj060174
Abstract:

Collaborative filtering of recommended systems (CFRSs) suffers from overrun false rating injections that diverge the system functions for creating accurate recommendations. In this paper, we propose a three-stage unsupervised approach. Starts by defining the mechanism(s) that makes recommendation vulnerable to attack. Second, find the maximum-paths or the associated related items valued by the user. We…

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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
10 Pages, 1,183 KB Download PDF

Advantages of 3D Technology in Stereometry Training

Advances in Science, Technology and Engineering Systems Journal, Volume 7, Issue 6, Page # 39–48, 2022; DOI: 10.25046/aj070605
Abstract:

This paper presents a new software for stereometry training. Its name is StereoMV (Stereo Math Vision). It is results from a dissertation work on the topic “Stereoscopic Training System”. It introduces virtual reality systems that are both immersive and non-immersive. The difference between them is in the equipment and the stereo effect they offer. A…

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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
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
9 Pages, 1,188 KB Download PDF

A Comparison of Cyber Security Reports for 2020 of Central European Countries

Advances in Science, Technology and Engineering Systems Journal, Volume 7, Issue 4, Page # 105–113, 2022; DOI: 10.25046/aj070414
Abstract:

The aim of the article is to analyze the annual reports on cyber security of Central European countries, i.e. the Czech Republic, Slovakia, Poland, Germany, and Austria. The article focuses on the development of the state of cyber security, actors of threats in cyberspace, cyber threats, and the most common types of attacks. The article…

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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
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
12 Pages, 821 KB Download PDF

Leveraging Energy Efficiency Investments: An Innovative Web-based Benchmarking Tool

Advances in Science, Technology and Engineering Systems Journal, Volume 6, Issue 5, Page # 237–248, 2021; DOI: 10.25046/aj060526
Abstract:

Energy Efficiency (EE) plays a key role in decreasing energy consumption at a European level, while it is considered as one of the most cost-efficient means to achieve carbon reduction and reinforce energy sufficiency and security. EE financing is imperative to implement measures that will lead to achieving the desired carbon neutrality and, thus, avert…

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(This article belongs to the SP11 (Special Issue on Innovation in Computing, Engineering Science & Technology 2021) & Section Green & Sustainable Science & Technology (GSS))
Open AccessArticle
7 Pages, 1,513 KB Download PDF

Real Time RSSI Compensation for Precise Distance Calculation using Sensor Fusion for Smart Wearables

Advances in Science, Technology and Engineering Systems Journal, Volume 6, Issue 4, Page # 327–333, 2021; DOI: 10.25046/aj060436
Abstract:

To effectively implement the social distancing or digital contact tracing in epidemic using an RSSI-based localization approach through Bluetooth beacon is one of the most widely used technologies, but simply using RSSI measurement is not more relevant because the RF signal is affected by several factors and the environment of usage. Traditional distance or positioning…

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(This article belongs to the SP11 (Special Issue on Innovation in Computing, Engineering Science & Technology 2021) & Section Electronic Engineering (EEE))
Open AccessArticle
13 Pages, 3,825 KB Download PDF

Kamphaeng Saen Beef Cattle Identification Approach using Muzzle Print Image

Advances in Science, Technology and Engineering Systems Journal, Volume 6, Issue 4, Page # 110–122, 2021; DOI: 10.25046/aj060413
Abstract:

Identification of Kamphaeng Saen beef cattle is important of the registration and traceability purposes. For a traditional identification methods, Hot Branding, Freeze Branding, Paint Branding, and RFID Systems can be replaced by genius human. This paper proposed a Kamphaeng Saen beef cattle identification approach using muzzle print images as an Animal Biometric approach. There are…

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(This article belongs to Section Artificial Intelligence in Computer Science (CAI))
Open AccessArticle
9 Pages, 1,860 KB Download PDF

LED Lighting and the Impact on the PLC Channel

Advances in Science, Technology and Engineering Systems Journal, Volume 6, Issue 2, Page # 933–941, 2021; DOI: 10.25046/aj0602106
Abstract:

Light Emitting Diode (LED) lamps are used as a replacement of “old-fashioned” or incandescent lighting sources, as they reduce the amount of energy consumed. As a side-effect of more efficient energy usage they produce electrical noise. This noise reduces the efficiency of information signal transfer when Power Line Communications (PLC) are used. This study focuses…

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(This article belongs to Section Electrical Engineering (ELE))
Open AccessArticle
8 Pages, 1,447 KB Download PDF

Real-time Target Human Tracking using Camshift and LucasKanade Optical Flow Algorithm

Advances in Science, Technology and Engineering Systems Journal, Volume 6, Issue 2, Page # 907–914, 2021; DOI: 10.25046/aj0602103
Abstract:

In this paper, a novel is proposed for real-time tracking human targets in cases of high influence from complexity environment with a normal camera. Firstly, based on Oriented FAST and Rotated BRIEF features, the Lucas-Kanade Optical Flow algorithm is used to track reliable keypoints. This method represents a valuable performance to decline the effect of…

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(This article belongs to the SP11 (Special Issue on Innovation in Computing, Engineering Science & Technology 2021) & Section Information Systems in Computer Science (CIS))
Open AccessArticle
13 Pages, 1,573 KB Download PDF

Convolutional Neural Network Based on HOG Feature for Bird Species Detection and Classification

Advances in Science, Technology and Engineering Systems Journal, Volume 6, Issue 2, Page # 733–745, 2021; DOI: 10.25046/aj060285
Abstract:

This work is concerned with the detection and classification of birds that have applications like monitoring extinct and migrated birds. Recent computer vision algorithms can precise this kind of task but still there are some dominant issues like low light, very little differences between subspecies of birds, etc are to be studied. As Convolution Neural…

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(This article belongs to Section Artificial Intelligence in Computer Science (CAI))
Open AccessArticle
6 Pages, 567 KB Download PDF

An Improved Approach for QoS Based Web Services Selection Using Clustering

Advances in Science, Technology and Engineering Systems Journal, Volume 6, Issue 2, Page # 616–621, 2021; DOI: 10.25046/aj060270
Abstract:

With the rising number of web services created to build complex business processes, selecting the appropriate web service from a large number of web services respond to the same client request with the same functionality are developed independently but with different quality of service (QoS) attributes. From this point, there are many approaches to web…

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(This article belongs to the SP10 (Special Issue on Multidisciplinary Sciences and Engineering 2020-21) & Section Information Systems in Computer Science (CIS))
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
9 Pages, 1,681 KB Download PDF

Evidence of Improved Seawater Quality using a Slow Sand Filtration

Advances in Science, Technology and Engineering Systems Journal, Volume 6, Issue 2, Page # 359–367, 2021; DOI: 10.25046/aj060241
Abstract:

In recent years water treatment methods under pressurized systems have been considered as the optimum high-rate filtration techniques. Unpressurized-slow sand filtration can be the cheapest and most efficient method, among others. This research aims to test the performance of a reliable seawater filtration system, using three different iterations. The filters have been designed considering many…

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(This article belongs to Section Civil Engineering (ECV))
Open AccessArticle
5 Pages, 722 KB Download PDF

The Impact of COVID-19 Pandemic and Commodities Prices on Booking.com Share Price

Advances in Science, Technology and Engineering Systems Journal, Volume 6, Issue 2, Page # 185–189, 2021; DOI: 10.25046/aj060221
Abstract:

This paper examines the impacts of the COVID-19 pandemic and selected commodity variables on Booking.com share price using the Markov-switching approach. Daily data spans from January 2017 through July 2020 are utilized in this study. Empirical evidence showed that COVID-19, international crude oil price, and gold price affected the Booking.com share price significantly. A positive…

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(This article belongs to the sp-covid19 (Special Issue on the Economic Impact of COVID-19 on Companies and Consumers 2020-21) & Section Operations Research & Management Science (ORM))
Open AccessArticle
19 Pages, 4,104 KB Download PDF

BrcLightning – Risk Analysis and Scaling for Protection against Atmospheric Discharge – Extender

Advances in Science, Technology and Engineering Systems Journal, Volume 6, Issue 1, Page # 1384–1402, 2021; DOI: 10.25046/aj0601158
Abstract:

This manuscript intending to publicize the improvements incorporated in the BrcLightning application, including the Risk Analysis module with the help of a pop-up, which provides the result and assists in the identification of mitigating measures by the professional, which must be defined to reduce the calculated risks. Other points addressed in this extension are the…

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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
17 Pages, 3,681 KB Download PDF

Event Modeller Data Analytic for Harmonic Failures

Advances in Science, Technology and Engineering Systems Journal, Volume 6, Issue 1, Page # 1343–1359, 2021; DOI: 10.25046/aj0601154
Abstract:

The optimum performance of power plants has major technical and economic benefits. A case study in one of the Malaysian power plants reveals an escalating harmonic failure trend in their Continuous Ship Unloader (CSU) machines. This has led to a harmonic filter failure causing performance loss leading to costly interventions and safety concerns. Analysis of…

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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, 1,244 KB Download PDF

An algorithm for Peruvian counterfeit Banknote Detection based on Digital Image Processing and SVM

Advances in Science, Technology and Engineering Systems Journal, Volume 6, Issue 1, Page # 1171–1178, 2021; DOI: 10.25046/aj0601132
Abstract:

In this work we propose an algorithm for Peruvian counterfeit banknotes detection. Our algorithm operates in banknotes with 50, 100 and 200 soles denominations that were manufactured from 2009 onwards. This algorithm offers an automatic diagnosis based on digital image processing and support vector machines (SVM). Current Peruvian counterfeit detection systems are specially designed to…

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(This article belongs to the SP10 (Special Issue on Multidisciplinary Sciences and Engineering 2020-21) & Section Information Systems in Computer Science (CIS))
Open AccessArticle
12 Pages, 1,297 KB Download PDF

An Innovative Angle of Attack Virtual Sensor for Physical-Analytical Redundant Measurement System Applicable to Commercial Aircraft

Advances in Science, Technology and Engineering Systems Journal, Volume 6, Issue 1, Page # 698–709, 2021; DOI: 10.25046/aj060176
Abstract:

The angle of attack is a critical flight parameter for commercial aviation aircraft, because automatic envelope protection systems rely on it to keep the aircraft within its safe flight envelope. Faulty measurements of the angle of attack could have catastrophic effects, leading to aircraft loss of control in flight and fatalities, as demonstrated by the…

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(This article belongs to the SP9 (Special Issue on Multidisciplinary Innovation in Engineering Science & Technology 2020) & Section Aerospace Engineering (EAR))
Open AccessArticle
6 Pages, 881 KB Download PDF

Recommendation System for SmartMart-A Virtual Supermarket

Advances in Science, Technology and Engineering Systems Journal, Volume 5, Issue 6, Page # 1408–1413, 2020; DOI: 10.25046/aj0506170
Abstract:

The current online shopping system does not provide the actual shopping experience to the users where they scroll through the web pages and select an item to purchase, which becomes monotonous soon and lacks the shopping experience. This paper describes the development of the SmartMart, a 3D shopping mart where the user can navigate around…

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(This article belongs to Section Information Systems in Computer Science (CIS))
Open AccessArticle
6 Pages, 1,505 KB Download PDF

Computer Vision for Industrial Robot in Planar Bin Picking Application

Advances in Science, Technology and Engineering Systems Journal, Volume 5, Issue 6, Page # 1244–1249, 2020; DOI: 10.25046/aj0506148
Abstract:

This research presents an effectively autonomous method that can save time and increases productivity for an assembly line in industry by using a 6DOF manipulator and computer vision. The objects are flat, aluminum type and randomly stacked in a box. Firstly, 2D color image processing is performed to label the object, then using 3D pose…

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(This article belongs to the SP10 (Special Issue on Multidisciplinary Sciences and Engineering 2020-21) & Section Robotics (ROB))
Open AccessArticle
8 Pages, 817 KB Download PDF

An Efficient Performance of OFDM-Shaped Symbol for 5G Green Communication Compared to FBMC

Advances in Science, Technology and Engineering Systems Journal, Volume 5, Issue 6, Page # 1163–1170, 2020; DOI: 10.25046/aj0506140
Abstract:

The filter bank multi-carrier (FBMC) technique is being considered as the major candidates for the 5G schemes. The orthogonal frequency division multiplexing (OFDM) technique is used in 4G but it has drawbacks such as higher Out-of-Band (OOB) power reduction, and higher peak to average power ratio (PAPR). OFDM uses cyclic prefix (CP) extension to overcome…

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(This article belongs to Section Electrical Engineering (ELE))
Open AccessArticle
10 Pages, 1,780 KB Download PDF

The Design of a Hybrid Model-Based Journal Recommendation System

Advances in Science, Technology and Engineering Systems Journal, Volume 5, Issue 6, Page # 1153–1162, 2020; DOI: 10.25046/aj0506139
Abstract:

There is currently an overload of information on the internet, and this makes information search a challenging task. Researchers spend a lot of man-hour searching for journals related to their areas of research interest that can publish their research output on time. In, this study, a recommender system that can assist researchers access relevant journals…

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(This article belongs to Section Artificial Intelligence in Computer Science (CAI))
Open AccessArticle
6 Pages, 1,149 KB Download PDF

Feature Gate Computational Top-Down Model for Target Detection

Advances in Science, Technology and Engineering Systems Journal, Volume 5, Issue 6, Page # 1001–1006, 2020; DOI: 10.25046/aj0506120
Abstract:

Computer vision is a technique used for processing images and videos which are increasingly becoming ubiquitous day by day. Technologies developed are revolving around human needs and demands high computational power as volume of data increases. The extraction of the necessary information for processing, that is independent of various scene complexity is a challenging task.…

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(This article belongs to Section Artificial Intelligence in Computer Science (CAI))

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