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Open AccessArticle
5 Pages, 699 KB Download PDF

Actigraph Analysis of Elderly Dementia Patients During Phototherapy Using Non-Linear Analysis

Advances in Science, Technology and Engineering Systems Journal, Volume 5, Issue 2, Page # 757–761, 2020; DOI: 10.25046/aj050294
Abstract:

Dementia is one of the three primary diseases that increases the level of nursing care required for the elderly. Dementia can lead to an increased burden not only on those who have contracted it, but also their families and the surrounding environment; initiatives for preventing dementia and slowing the decline of cognitive function are expected…

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(This article belongs to Section Biomedical Engineering (EBI))
Open AccessArticle
9 Pages, 1,289 KB Download PDF

The Usability Evaluation of Academic Progress Information System (SIsKA-NG)

Advances in Science, Technology and Engineering Systems Journal, Volume 5, Issue 2, Page # 460–468, 2020; DOI: 10.25046/aj050259
Abstract:

Limited functionalities of the Academic Progress Information System (SIsKA) has direct consequences on the quality of thesis management service at the authors’ magister study program of the authors’ university. This research focused on the significant improvement from the previous User Experience Questionnaire (UEQ) result of SIsKA. That significant improvement was based on the recommendations from…

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(This article belongs to the SP8 (Special Issue on Multidisciplinary Sciences and Engineering 2019-20) & Section Bioinformatics (BIF))
Open AccessArticle
8 Pages, 964 KB Download PDF

Optimization of Low Temperature Differential Stirling Engine Regenerator Design

Advances in Science, Technology and Engineering Systems Journal, Volume 5, Issue 2, Page # 272–279, 2020; DOI: 10.25046/aj050235
Abstract:

Stirling engines working with relatively low temperature are attractive for the future, especially for applications like water pumping without concentration system and low temperature heat recovery. The present work is the continuation of a series of works on the optimization of this type of machines. The main objective of this paper is to investigate the…

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(This article belongs to the SP8 (Special Issue on Multidisciplinary Sciences and Engineering 2019-20) & Section Thermodynamics (THD))
Open AccessArticle
8 Pages, 1,934 KB Download PDF

An Algorithm to Improve Data Accuracy of PMs Concentration Measured with IoT Devices

Advances in Science, Technology and Engineering Systems Journal, Volume 5, Issue 2, Page # 180–187, 2020; DOI: 10.25046/aj050223
Abstract:

Air pollution is responsible for increased morbidity and mortality due to respiratory problems mainly caused by long term exposure. Although the emissions of principal air pollutants are highly regulated, there is a lack of information about the real extent of personal exposure for an accurate health impact assessment. To tackle these challenges, local air pollution…

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(This article belongs to the SP8 (Special Issue on Multidisciplinary Sciences and Engineering 2019-20) & Section Environmental Engineering (EEV))
Open AccessArticle
9 Pages, 638 KB Download PDF

Review on Outliers Identification Methods for Univariate Circular Biological Data

Advances in Science, Technology and Engineering Systems Journal, Volume 5, Issue 2, Page # 95–103, 2020; DOI: 10.25046/aj050212
Abstract:

Circular data are common in biological studies which are involved angle and direction measurements. An outlier in circular biological data mostly related to the abnormality of the data set. The existence of outliers may affect the final outcome of a data analysis. Thus, an outliers’ identification method is essential in circular biological data to determine…

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(This article belongs to Section Statistics & Probability (STP))
Open AccessArticle
6 Pages, 2,430 KB Download PDF

Skin Tissue Oxygen Saturation Prediction: A Comparison Study of Artificial Intelligence Techniques

Advances in Science, Technology and Engineering Systems Journal, Volume 5, Issue 1, Page # 334–339, 2020; DOI: 10.25046/aj050142
Abstract:

Noninvasive measurement of skin tissue oxygen saturation, StO2, is of interest especially in the studies of wound healing and detection of vascular diseases. This work aims to compare Partial Least Square (PLS) regression, K-Nearest Neighbor (KNN) and Artificial Neural Network (ANN) technique in the prediction of StO2 using spectral data obtained from Monte Carlo simulations.…

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(This article belongs to the SP8 (Special Issue on Multidisciplinary Sciences and Engineering 2019-20) & Section Artificial Intelligence in Computer Science (CAI))
Open AccessArticle
8 Pages, 4,006 KB Download PDF

SiC-FET Gas Sensor for Detecting Sub-ppm Gas Concentrations

Advances in Science, Technology and Engineering Systems Journal, Volume 5, Issue 1, Page # 151–158, 2020; DOI: 10.25046/aj050120
Abstract:

This paper describes a silicon carbide-field effect transistor (SiC-FET) gas sensor that is able to detect NO, O2, NH3, CO, and SO2. The gate of the sensor FET is a gas detection layer that consists of yttria-stabilized zirconia, nickel oxide, and platinum. The threshold voltages of the sensor depend on the target gas concentration, measurement…

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(This article belongs to the SP8 (Special Issue on Multidisciplinary Sciences and Engineering 2019-20) & Section Electronic Engineering (EEE))
Open AccessArticle
7 Pages, 1,017 KB Download PDF

Sensor Based on-the-go Detection of Macro Nutrients for Agricultural Crops

Advances in Science, Technology and Engineering Systems Journal, Volume 5, Issue 1, Page # 128–134, 2020; DOI: 10.25046/aj050117
Abstract:

Agriculture, being the vital sector, contributes to India’s GDP by 18%. It is necessary to enhance the production in this sector with minimal need of resources to get the good yield of crops. It in turn boosts up the necessity of automation in the field of agriculture. This paper discusses about the experimental study which…

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(This article belongs to the SP7 (Special Issue on Advancement in Engineering and Computer Science 2019) & Section Agronomy (AGN))
Open AccessArticle
7 Pages, 725 KB Download PDF

A Comparative Study of Safety Leading and Lagging Indicators Measuring Project Safety Performance

Advances in Science, Technology and Engineering Systems Journal, Volume 4, Issue 6, Page # 306–312, 2019; DOI: 10.25046/aj040639
Abstract:

The safety management system is recognized by safety leading and lagging indicators, and their correlation with injury rates. The background on this specific subject is vague in definition, labelling, and indicators measurement. The comparativeness between leading and lagging indicators have been introduced in the constructing safety performance projects evaluation. Safety performance leading indicators are the…

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(This article belongs to the SP8 (Special Issue on Multidisciplinary Sciences and Engineering 2019-20) & Section Engineering Management (EMM))
Open AccessArticle
9 Pages, 541 KB Download PDF

SCMS: Tool for Assessing a Novel Taxonomy of Complexity Metrics for any Java Project at the Class and Method Levels based on Statement Level Metrics

Advances in Science, Technology and Engineering Systems Journal, Volume 4, Issue 6, Page # 220–228, 2019; DOI: 10.25046/aj040629
Abstract:

Software is the primary and indispensable entity in our technologically driven world. Therefore, quality assurance, and in particular software testing, represents a vital component in the software development cycle. Throughout the years, many tools have been developed to collect metrics of software that had been implemented. These tools have some differences but continue to play…

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(This article belongs to the SP8 (Special Issue on Multidisciplinary Sciences and Engineering 2019-20) & Section Software Engineering in Computer Science (CSE))
Open AccessArticle
9 Pages, 5,642 KB Download PDF

A Proposal of TCP Fairness Control Method for Two-Host Concurrent Communications in Elastic WLAN System Using Raspberry Pi Access-Point

Advances in Science, Technology and Engineering Systems Journal, Volume 4, Issue 6, Page # 10–18, 2019; DOI: 10.25046/aj040602
Abstract:

The IEEE802.11n based Wireless Local Area Networks (WLANs) have been extensively deployed due to the flexible coverage, the easy installation, and the lower cost. To reduce the energy consumption while increasing the performance, the elastic WLAN system has been studied, such that it can dynamically change the network configuration according to traffic demands. As well,…

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(This article belongs to the SP8 (Special Issue on Multidisciplinary Sciences and Engineering 2019-20) & Section Network Engineering (ENW))
Open AccessArticle
9 Pages, 1,450 KB Download PDF

Localization of Emerging Leakages in Water Distribution Systems: A Complex Networks Approach

Advances in Science, Technology and Engineering Systems Journal, Volume 4, Issue 4, Page # 276–284, 2019; DOI: 10.25046/aj040435
Abstract:

Water distribution networks are infrastructural systems designed for providing potable water to consumers. In these last decades, the importance of assessing and identifying emerging leakages has become a primary issue, because of the high level of water loss characterizing such systems worldwide. In this paper, a new approach aimed at the prompt localization of leakages…

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(This article belongs to the SP7 (Special Issue on Advancement in Engineering and Computer Science 2019) & Section Water Resources (WRS))
Open AccessArticle
12 Pages, 1,450 KB Download PDF

An Extension of Throughput Drop Estimation Model for Three-Link Concurrent Communications under Partially Overlapping Channels and Channel Bonding in IEEE 802.11n WLAN

Advances in Science, Technology and Engineering Systems Journal, Volume 4, Issue 4, Page # 94–105, 2019; DOI: 10.25046/aj040411
Abstract:

The IEEE 802.11n wireless local-area network (WLAN) has been extensively deployed around the world due to the flexibility, lower cost, and the high-speed data transmission capability at 2.4 GHz ISM band. However, in the WLAN deployment, one key challenge is to optimize the channel assignment of access-points (APs) under the small number of partially overlapping…

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(This article belongs to the SP7 (Special Issue on Advancement in Engineering and Computer Science 2019) & Section Telecommunications (TEL))
Open AccessArticle
7 Pages, 1,680 KB Download PDF

Quantitative Traffic Congestion Analysis Approach in Ahmedabad

Advances in Science, Technology and Engineering Systems Journal, Volume 4, Issue 3, Page # 183–189, 2019; DOI: 10.25046/aj040324
Abstract:

This study is the extension of the previous study about “Traffic Service Quantitative Analysis Method under Developing Country” in 2018 International Conference on Advances in Computing, Communications and Informatics (ICACCI). In the previous study, it is introduced how to make quantitative calculation for traffic congestion by traffic parameters and its characteristics curve such as traffic…

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(This article belongs to the SP7 (Special Issue on Advancement in Engineering and Computer Science 2019) & Section Transportation Science & Technology (TST))
Open AccessArticle
6 Pages, 1,825 KB Download PDF

Evaluation of IEEE 802.11n and IEEE 802.11p based on Vehicle to Vehicle Communications

Advances in Science, Technology and Engineering Systems Journal, Volume 4, Issue 2, Page # 422–427, 2019; DOI: 10.25046/aj040252
Abstract:

Wireless communication opens up new avenues in the field of intelligent vehicle systems, including monitoring, guidance and warning applications. In order to determine more precisely the feasibility of using the 802.11n standard in vehicular communication systems, this paper describes a process for evaluating the propagation performance of the 802.11n and 802.11p standards. To do that,…

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(This article belongs to Section Electronic Engineering (EEE))
Open AccessArticle
6 Pages, 1,188 KB Download PDF

High-Temperature Optical Characterization of Wide Band Gap Light Emitting Diodes and Photodiodes for Future Power Module Application

Advances in Science, Technology and Engineering Systems Journal, Volume 4, Issue 2, Page # 17–22, 2019; DOI: 10.25046/aj040203
Abstract:

A systematic study of wide bandgap (WBG) based light emitting diodes (LEDs) and photodiodes (PDs) were conducted for the assessment of modular integration of optoelectronic devices into power modules. The temperature dependence of the photoluminescence (PL) efficiency of Indium gallium nitride/Gallium nitride (InGaN/GaN) multiple quantum wells (MQWs) material was studied from 10 to 800 K.…

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(This article belongs to the SP6 (Special Issue on Recent Advances in Engineering Systems 2018-19) & Section Optics (OPT))
Open AccessArticle
10 Pages, 3,798 KB Download PDF

Over-The-Air Testing of Automotive Antennas and Wireless Links in The Installed State on The Basis of LTE Downlink Communication Parameters

Advances in Science, Technology and Engineering Systems Journal, Volume 4, Issue 1, Page # 282–291, 2019; DOI: 10.25046/aj040127
Abstract:

Modern automobiles have been turning more and more into wireless sensor and communication networks. Accordingly, the number of radio systems is steadily increasing. Due to strict safety requirements, these radio systems need to be tested extensively for functionality and reliability, especially under poor radio channel conditions. Beside the large electrical size of cars at frequencies…

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(This article belongs to the SP6 (Special Issue on Recent Advances in Engineering Systems 2018-19) & Section Telecommunications (TEL))
Open AccessArticle
11 Pages, 1,440 KB Download PDF

Fuzzy Logic Implementation for Enhanced WCDMA Network Using Selected KPIs

Advances in Science, Technology and Engineering Systems Journal, Volume 4, Issue 1, Page # 114–124, 2019; DOI: 10.25046/aj040112
Abstract:

The paper focused on the implementation of fuzzy logic technology for improved Wideband Code Division Multiple Access (WCDMA) network using selected Key Performance Indicators (KPIs). Empirical and analytical methods were principally deployed for the study analyses. Empirical analyses were conducted on two designated networks which are MTN and AIRTEL observed with high network traffic to…

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(This article belongs to Section Electronic Engineering (EEE))
Open AccessArticle
10 Pages, 701 KB Download PDF

Machine Learning Applied to GRBAS Voice Quality Assessment

Advances in Science, Technology and Engineering Systems Journal, Volume 3, Issue 6, Page # 329–338, 2018; DOI: 10.25046/aj030641
Abstract:

Voice problems are routinely assessed in hospital voice clinics by speech and language therapists (SLTs) who are highly skilled in making audio-perceptual evaluations of voice quality. The evaluations are often presented numerically in the form of five-dimensional ‘GRBAS’ scores. Computerised voice quality assessment may be carried out using digital signal processing (DSP) techniques which process…

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(This article belongs to the SP5 (Special Issue on Multidisciplinary Sciences and Engineering 2018) & Section Acoustics (ACO))
Open AccessArticle
10 Pages, 1,517 KB Download PDF

Computational Techniques to Recover Missing Gene Expression Data

Advances in Science, Technology and Engineering Systems Journal, Volume 3, Issue 6, Page # 233–242, 2018; DOI: 10.25046/aj030630
Abstract:

Almost every cells in human’s body contain the same number of genes so what makes them different is which genes are expressed at any time. Measuring gene expression can be done by measuring the amount of mRNA molecules. However, it is a very expensive and time consuming task. Using computational methods can help biologists to…

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(This article belongs to the SP5 (Special Issue on Multidisciplinary Sciences and Engineering 2018) & Section Artificial Intelligence in Computer Science (CAI))
Open AccessArticle
5 Pages, 748 KB Download PDF

Minimally Invasive, Thermal Energy Based, Cost-Efficient Method to Measure Fluid Flows in Compact Systems

Advances in Science, Technology and Engineering Systems Journal, Volume 3, Issue 5, Page # 454–458, 2018; DOI: 10.25046/aj030552
Abstract:

Flow measurements are important for numerous industries as it directly relates to proper equipment functioning and product quality. This work demonstrates a novel thermal energy based compact flow measuring sensor. The sensor injects thermal energy into the core which is then extracted by the moving flow through the center of the core. Temperature changes produced…

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(This article belongs to the SP5 (Special Issue on Multidisciplinary Sciences and Engineering 2018) & Section Thermodynamics (THD))
Open AccessArticle
9 Pages, 769 KB Download PDF

Developing Students’ Motivation for Learning through Practical Problems in School

Advances in Science, Technology and Engineering Systems Journal, Volume 3, Issue 5, Page # 258–266, 2018; DOI: 10.25046/aj030531
Abstract:

This paper is an extension of work originally presented in the 19th International Conference on Computer Supported Education and Information Technology. This paper identifies motivational factors that ensure the initiation and effective implementation of mathematical activity. These factors are in subordination to each other, forming a hierarchical dependence. At the heart of this hierarchy is…

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(This article belongs to the SP5 (Special Issue on Multidisciplinary Sciences and Engineering 2018) & Section Mathematical & Computational Biology (MCB))
Open AccessArticle
6 Pages, 1,192 KB Download PDF

Development and Testing of Intelligent Wheelchair Controller for Quadriplegic Patients

Advances in Science, Technology and Engineering Systems Journal, Volume 3, Issue 5, Page # 220–225, 2018; DOI: 10.25046/aj030527
Abstract:

In this research paper, the development and evaluating of a smart controller for electrical powered wheelchairs are presented. The controller aimed to assist quadriplegic, paralyzed, and handicap patients who cannot use their hands to drive an electrical wheelchair by using a joystick controller. Two sub control units have been combined in one hybrid system to…

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(This article belongs to the SP5 (Special Issue on Multidisciplinary Sciences and Engineering 2018) & Section Automation & Control Systems (ACS))
Open AccessArticle
4 Pages, 717 KB Download PDF

An Electroencephalogram Analysis Method to Detect Preference Patterns Using Gray Association Degrees and Support Vector Machines

Advances in Science, Technology and Engineering Systems Journal, Volume 3, Issue 5, Page # 105–108, 2018; DOI: 10.25046/aj030514
Abstract:

This paper introduces an electroencephalogram (EEG) analysis method to detect preferences for particular sounds. Our study aims to create novel brain–computer interfaces (BMIs) to control human mental (NBMICM), which are used to detect human mental conditions i.e., preferences, thinking, and consciousness, choose stimuli to control these mental conditions, and evaluate these choices. It is important…

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(This article belongs to the SP5 (Special Issue on Multidisciplinary Sciences and Engineering 2018) & Section Artificial Intelligence in Computer Science (CAI))
Open AccessArticle
9 Pages, 3,705 KB Download PDF

MARWIN: Localization of an Inspection Robot in a Radiation exposed Environment

Advances in Science, Technology and Engineering Systems Journal, Volume 3, Issue 4, Page # 354–362, 2018; DOI: 10.25046/aj030436
Abstract:

MARWIN is a mobile autonomous robot platform designed to carry out maintenance and inspection tasks in the European XFEL. The XFEL is an accelerator plant which is operated in Hamburg, Germany. The robot system consists of an four-wheel drive chassis and a scissor lift for easy inspection and maintenance tasks. Through this manipulator and the…

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(This article belongs to the SP5 (Special Issue on Multidisciplinary Sciences and Engineering 2018) & Section Robotics (ROB))

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