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Open AccessArticle
6 Pages, 973 KB Download PDF

Sentiment Analysis on Utilizing Online Transportation of Indonesian Customers Using Tweets in the Normal Era and the Pandemic Covid-19 Era with Support Vector Machine

Advances in Science, Technology and Engineering Systems Journal, Volume 5, Issue 5, Page # 389–394, 2020; DOI: 10.25046/aj050549
Abstract:

Online transportation in Indonesia is a new trend of transportation that is currently used among the lower to upper society. The change in behavior began in 2011 and is growing to this day, The comments that are growing on social media are very important for the online transportation company the negative comments lower the level…

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(This article belongs to Section Information Systems in Computer Science (CIS))
Open AccessArticle
13 Pages, 6,371 KB Download PDF

Applicability of Generalized Metropolis-Hastings Algorithm to Estimating Aggregate Functions in Wireless Sensor Networks

Advances in Science, Technology and Engineering Systems Journal, Volume 5, Issue 5, Page # 224–236, 2020; DOI: 10.25046/aj050528
Abstract:

Over the last decades, numerous distributed consensus-based algorithms have found a wide application as a complementary mechanism for data aggregation in wireless sensor networks. In this paper, we provide an analysis of the generalized Metropolis-Hastings algorithm for data aggregation with a fully-distributed stopping criterion. The goal of the implemented stopping criterion is to effectively bound…

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(This article belongs to the SP9 (Special Issue on Multidisciplinary Innovation in Engineering Science & Technology 2020) & Section Network Engineering (ENW))
Open AccessArticle
6 Pages, 901 KB Download PDF

Power Loss Minimization using the Integration of DGs and Reconfiguration of Distribution System: Applied on Real Distribution Feeder of Urbain Areas of Kenitra City in Morroco

Advances in Science, Technology and Engineering Systems Journal, Volume 5, Issue 5, Page # 74–79, 2020; DOI: 10.25046/aj050511
Abstract:

Optimal integration of distributed generation (DG) into the distribution system results in reduced power losses and improved bus voltages. In this article, a combination of two techniques has been analyzed: The integration of DG and reconfiguration of the distribution system by removing the Normally Open Point NOP in different places of the system. These two…

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(This article belongs to the SP9 (Special Issue on Multidisciplinary Innovation in Engineering Science & Technology 2020) & Section Electrical Engineering (ELE))
Open AccessArticle
8 Pages, 1,452 KB Download PDF

Performance Analysis of Grid-Connected PV Rooftop, at Sakon Nakhon Province, Thailand

Advances in Science, Technology and Engineering Systems Journal, Volume 5, Issue 4, Page # 816–823, 2020; DOI: 10.25046/aj050496
Abstract:

The performance ratio (PR) based on IEC 61724 standard is calculated under the influence of seasonal variations and the capability of the system. On the other hand, The National Renewable Energy Laboratory (NREL) of the U.S. Department of Energy proposed the weather-corrected performance ratio (PRcorr). This PRcorr index calculates the performance of the PV system…

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(This article belongs to the SP9 (Special Issue on Multidisciplinary Innovation in Engineering Science & Technology 2020) & Section Energy & Fuels (ENF))
Open AccessArticle
9 Pages, 2,970 KB Download PDF

Design of a Flapping Wings Butterfly Robot based on Aerodynamics Force

Advances in Science, Technology and Engineering Systems Journal, Volume 5, Issue 4, Page # 667–675, 2020; DOI: 10.25046/aj050480
Abstract:

Insect robots are always amazed by humans due to their ability to fly using a wing flapping mechanism. The butterfly robot was designed in this research based on aerodynamics and aeroelastic especially for designing a flapping mechanism due to its complexity. A butterfly wing structure was designed by considering aerodynamics forces based on assumptions. Aerodynamic…

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(This article belongs to the SP10 (Special Issue on Multidisciplinary Sciences and Engineering 2020-21) & Section Aerospace Engineering (EAR))
Open AccessArticle
10 Pages, 1,267 KB Download PDF

COVID-19 Crises: Global Economic Shocks vs Pakistan Economic Shocks

Advances in Science, Technology and Engineering Systems Journal, Volume 5, Issue 4, Page # 645–654, 2020; DOI: 10.25046/aj050477
Abstract:

This paper documents, information about the current outbreak of Corona virus and its multidimensional effects witnessed worldwide. The objective of the study is to disseminate information to policymakers, government and the general public, to facilitate the efforts for fighting against the contagious virus and aims to contribute to the economic and social welfare. Though the…

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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
6 Pages, 900 KB Download PDF

Performance Analysis of Go-Back-N ARQ Protocol Used in Data Transmission Over Noisy Channels

Advances in Science, Technology and Engineering Systems Journal, Volume 5, Issue 4, Page # 612–617, 2020; DOI: 10.25046/aj050472
Abstract:

Automatic Repeat reQuest (ARQ) protocols are used to control transmission errors in data communications. They are used at Data Link Control (DLC) sublayer of Data Link Layer (DLL) of OSI (Open Systems Interconnection) network model to achieve flow and error control and provide smooth and reliable transmission between network nodes. ARQ protocols use acknowledgments and…

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(This article belongs to Section Cybernetics in Computer Science (CCY))
Open AccessArticle
8 Pages, 1,484 KB Download PDF

Damage Accumulation Model for Cracked Pipes Subjected to Water Hammer

Advances in Science, Technology and Engineering Systems Journal, Volume 5, Issue 4, Page # 523–530, 2020; DOI: 10.25046/aj050462
Abstract:

During service, oil and gas pipelines may be exposed to cyclical loads during service, which may lead to a structural failure. Failure is due in most cases to cracks in the structure. Mechanics of the propagation of surface cracks pose a serious challenge and, therefore, models are required to help analyze it. In this study,…

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(This article belongs to the iraset-20 (Special Issue on Innovative Research in Applied Science, Engineering and Technology 2020) & Section Manufacturing Engineering (EMF))
Open AccessArticle
6 Pages, 648 KB Download PDF

Short-Term Dynamic Exchange Rate Model: IFEER Concept Development

Advances in Science, Technology and Engineering Systems Journal, Volume 5, Issue 4, Page # 463–468, 2020; DOI: 10.25046/aj050455
Abstract:

The new model of the short-term exchange rate dynamics was constructed. First of all, the most interesting were the reasons of the deviation from the medium-term equilibrium. The author’s IFEER-concept (International Flows Equilibrium Exchange Rate) was used as a base and it was developed. In this study, due to the short-term modeling period the differential…

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(This article belongs to the SP9 (Special Issue on Multidisciplinary Innovation in Engineering Science & Technology 2020) & Section Engineering Management (EMM))
Open AccessArticle
7 Pages, 1,656 KB Download PDF

Tidal Propagation Based On Co-Phase Chart and Co-Range Chart in Sunda Strait, Indonesia

Advances in Science, Technology and Engineering Systems Journal, Volume 5, Issue 4, Page # 412–418, 2020; DOI: 10.25046/aj050448
Abstract:

The characteristic of tide is different for each region. Co-tidal charts are one of the media to present an information about the character of tidal. There are two types of co-tidal chart, such as co-phase chart and co-range chart. Co-phase chart will show the distribution of tides, meanwhile the co-range chart will show the propagation…

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(This article belongs to Section Oceanography (OCR))
Open AccessArticle
8 Pages, 1,633 KB Download PDF

Potential of Solar Energy in Residential Rooftop Surface Area in Semarang City, Indonesia

Advances in Science, Technology and Engineering Systems Journal, Volume 5, Issue 4, Page # 397–404, 2020; DOI: 10.25046/aj050446
Abstract:

This study examines the potential of solar energy in the urban environment with a case study in Semarang, Indonesia by analyzing the intensity of solar radiation and the residential rooftop area. The study aims to obtain a quantitative description of the potential for electricity production from rooftop solar photovoltaic systems in residential areas and estimate…

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(This article belongs to Section Environmental Engineering (EEV))
Open AccessArticle
12 Pages, 1,442 KB Download PDF

Design and Optimization of a Three Stage Electromechanical Power Unit using Numerical Methods

Advances in Science, Technology and Engineering Systems Journal, Volume 5, Issue 4, Page # 351–362, 2020; DOI: 10.25046/aj050441
Abstract:

The advent of electric vehicles has changed the face of the automobile industry. The drive system properties of vehicles such as eBikes or electric cars differ fundamentally from those of a diesel engine. The lack of a conventional internal combustion engine has made the vehicles considerably silent. Nevertheless, previously hidden sources of vibration and noise…

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(This article belongs to the SP9 (Special Issue on Multidisciplinary Innovation in Engineering Science & Technology 2020) & Section Acoustics (ACO))
Open AccessArticle
16 Pages, 1,504 KB Download PDF

A Survey on 3D Hand Skeleton and Pose Estimation by Convolutional Neural Network

Advances in Science, Technology and Engineering Systems Journal, Volume 5, Issue 4, Page # 144–159, 2020; DOI: 10.25046/aj050418
Abstract:

Restoring, estimating the fully 3D hand skeleton and pose from the image data of the captured sensors/cameras applied in many applications of computer vision and robotics: human-computer interaction; gesture recognition, interactive games, Computer-Aided Design (CAD), sign languages, action recognition, etc. These are applications that flourish in Virtual Reality and Augmented Reality (VR/AR) technologies. Previous survey…

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(This article belongs to Section Artificial Intelligence in Computer Science (CAI))
Open AccessArticle
5 Pages, 663 KB Download PDF

Adapting to Individual Differences (ATID) For Inductive Thinking and Learning Purpose

Advances in Science, Technology and Engineering Systems Journal, Volume 5, Issue 4, Page # 35–39, 2020; DOI: 10.25046/aj050405
Abstract:

The research in general aims to develop students’ writing skills by applying a model with reader response strategy and visual symbols to promote students’ morals. Specifically, this inquiry is expected to describe the acceptability, comparison, impact, strength, and shortcomings, and the model Adapting To Individual Differences (ATID) of Indonesian literature learning to promote writing skills.…

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(This article belongs to Section Behavioral Sciences (BHS))
Open AccessArticle
16 Pages, 1,131 KB Download PDF

A Novel Representative k-NN Sampling-based Clustering Approach for an Effective Dimensionality Reduction-based Visualization of Dynamic Data

Advances in Science, Technology and Engineering Systems Journal, Volume 5, Issue 4, Page # 08–23, 2020; DOI: 10.25046/aj050402
Abstract:

Visualization plays a crucial role in the exploratory analysis of Big Data. The direct visualization of Big Data is a challenging task and difficult to analyze. Dimensionality Reduction techniques extract the features in the context of visualization. Due to the unsupervised and non-parametric nature, most of the dimensionality reduction techniques are not evaluated quantitatively and…

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(This article belongs to the SP9 (Special Issue on Multidisciplinary Innovation in Engineering Science & Technology 2020) & Section Information Systems in Computer Science (CIS))
Open AccessArticle
11 Pages, 2,283 KB Download PDF

A Survey and an IoT Cybersecurity Recommendation for Public and Private Hospitals in Ecuador

Advances in Science, Technology and Engineering Systems Journal, Volume 5, Issue 3, Page # 518–528, 2020; DOI: 10.25046/aj050364
Abstract:

It was analyzed the reference information on Cybersecurity architectures, models, standards, evaluations, mechanisms, and procedures applied to IoT domains, and public and private health area. The problem is the lack of proposals for IoT Cybersecurity in public and private hospitals to minimize random failures, ensure the privacy of personal data of patients, avoid the paralysis…

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(This article belongs to Section Interdisciplinary Applications of Computer Science (CSI))
Open AccessArticle
8 Pages, 1,443 KB Download PDF

Performance of Robust Confidence Intervals for Estimating Population Mean Under Both Non-Normality and in Presence of Outliers

Advances in Science, Technology and Engineering Systems Journal, Volume 5, Issue 3, Page # 442–449, 2020; DOI: 10.25046/aj050355
Abstract:

We proposed two robust confidence interval estimators, namely, the median interquartile range confidence interval (MDIQR) and the trimean interquartile range confidence interval (TRIQR) for the population mean (µ) as an alternative to the classical confidence interval. The proposed methods are based on the asymptotic normal theorem (ANT) for the sample median (MD) and the sample…

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(This article belongs to Section Statistics & Probability (STP))
Open AccessArticle
13 Pages, 1,392 KB Download PDF

Piezoelectric Teeth Aligners to Accelerate Orthodontics Treatment

Advances in Science, Technology and Engineering Systems Journal, Volume 5, Issue 3, Page # 178–190, 2020; DOI: 10.25046/aj050324
Abstract:

In this paper, we are proposing a device that generates vibration to possibly reduce the duration required for the orthodontic treatment by enhancing the tooth movement. This is achieved by harmonically exciting a bio-compatible material, namely polyvinylidene fluoride (PVDF) to generate vibration and consequently a cyclic force at a low frequency of 30 Hz. (PVDF)…

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(This article belongs to Section Biomedical Engineering (EBI))
Open AccessArticle
8 Pages, 2,423 KB Download PDF

Analysis and Improvement of an Innovative Solution Through Risk Reduction: Application to Home Care for the Elderly

Advances in Science, Technology and Engineering Systems Journal, Volume 5, Issue 3, Page # 158–165, 2020; DOI: 10.25046/aj050321
Abstract:

The increase in the number of elderly people requires multiple efforts to maintain their well-being and health. A wide variety of products and services have been created to enable seniors to live at home for as long as possible. The market success of these solutions depends on acceptance by the different stakeholders. Older people are…

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(This article belongs to the SP8 (Special Issue on Multidisciplinary Sciences and Engineering 2019-20) & Section Nutrition & Dietetics (NDB))
Open AccessArticle
8 Pages, 1,241 KB Download PDF

Non Parallelism and Cayley-Menger Determinant in Submerged Localization

Advances in Science, Technology and Engineering Systems Journal, Volume 5, Issue 3, Page # 150–157, 2020; DOI: 10.25046/aj050320
Abstract:

This research paper portraits the technique to determine location of submerged nodes with Cayley-Menger determinant and associated problems with non-parallel states. Cayley-Menger determinant is considered to be the usual means to determine the coordinates of the nodes with a single node where the plane of beacon i.e. beacon’s surfing plane and the plane created by…

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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
11 Pages, 1,074 KB Download PDF

Evolution of Privacy Preservation Models in Location-Based Services

Advances in Science, Technology and Engineering Systems Journal, Volume 5, Issue 3, Page # 82–92, 2020; DOI: 10.25046/aj050311
Abstract:

Location-based services have become increasingly prevalent with the advancement in the positioning capabilities of smart devices and their emergence in social networking. In order to acquire a service, users must submit their identity, query interest and location details to service providers. Such information shared by users are accumulated continuously, stored and analyzed in order to…

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(This article belongs to Section Software Engineering in Computer Science (CSE))
Open AccessArticle
10 Pages, 913 KB Download PDF

Performance Effects of Algorithmic Elements in Selected MANETs Routing Protocols

Advances in Science, Technology and Engineering Systems Journal, Volume 5, Issue 3, Page # 62–71, 2020; DOI: 10.25046/aj050309
Abstract:

Over time, several routing protocols have been suggested for use in Mobile Ad Hoc Networks (MANETs). Because of availability of so many MANETs routing protocols, network engineers and administrators face difficulties in identifying an appropriate routing protocol for a particular scenario. This challenge results from the unavailability of adequate technical analytic studies designed to examine…

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(This article belongs to Section Information Systems in Computer Science (CIS))
Open AccessArticle
7 Pages, 1,364 KB Download PDF

Mobile Based for Basic English Learning Assessment with Augmented Reality

Advances in Science, Technology and Engineering Systems Journal, Volume 5, Issue 2, Page # 774–780, 2020; DOI: 10.25046/aj050297
Abstract:

Nowadays Augmented Reality (AR) is very popular in teaching and learning, especially in leading student to observe learning material targets which supported by online learning resources using mobile device and wireless technology. Because English is a foreign language, most students have problems in learning English. Generally, their problems were related to low motivation, bad study…

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(This article belongs to Section Software Engineering in Computer Science (CSE))
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
6 Pages, 678 KB Download PDF

Towards Enterprise Technical Architecture for the Implementation of the South African NHI

Advances in Science, Technology and Engineering Systems Journal, Volume 5, Issue 2, Page # 724–729, 2020; DOI: 10.25046/aj050290
Abstract:

This paper provides an insight about the significance of the enterprise technical architecture (ETA) in enabling and supporting the implementation of the South African National Health Insurance (NHI). Design: Existing documentations from both academic and government domains were gathered, and analyzed using the hermeneutics technique, from the perspective of interpretivist approach. Based on the analysis,…

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