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Open AccessArticle
6 Pages, 583 KB Download PDF

Recording of Student Attendance with Blockchain Technology to Avoid Fake Presence Data in Teaching Learning Process

Advances in Science, Technology and Engineering Systems Journal, Volume 6, Issue 1, Page # 742–747, 2021; DOI: 10.25046/aj060181
Abstract:

University operational activities are a routine part of university operations and supervisory control and monitoring function. The low controlling and monitoring of operational activities can cause irrelevance in the teaching and learning process. A graduate may have a graduation document but has never attended the teaching and learning process. An official institution can issue this…

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(This article belongs to 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
14 Pages, 1,619 KB Download PDF

Multiple Machine Learning Algorithms Comparison for Modulation Type Classification Based on Instantaneous Values of the Time Domain Signal and Time Series Statistics Derived from Wavelet Transform

Advances in Science, Technology and Engineering Systems Journal, Volume 6, Issue 1, Page # 658–671, 2021; DOI: 10.25046/aj060172
Abstract:

Modulation type classification is a part of waveform estimation required to employ spectrum sharing scenarios like dynamic spectrum access that allow more efficient spectrum utilization. In this work multiple classification features, feature extraction, and classification algorithms for modulation type classification have been studied and compared in terms of classification speed and accuracy to suggest the…

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(This article belongs to the SP10 (Special Issue on Multidisciplinary Sciences and Engineering 2020-21) & Section Artificial Intelligence in Computer Science (CAI))
Open AccessArticle
7 Pages, 953 KB Download PDF

A Novel Blockchain-Based Authentication and Access Control Model for Smart Environment

Advances in Science, Technology and Engineering Systems Journal, Volume 6, Issue 1, Page # 651–657, 2021; DOI: 10.25046/aj060171
Abstract:

With the increase of smart factories and smart cities following the recent 4th industrial revolution, internal user authentication and authorization have become an important issue. The user authentication model using the server-client structure has a problem of forgery of the access history caused by the log manipulation of the administrator and unclearness of the responsibility.…

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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
8 Pages, 985 KB Download PDF

A Proposed Framework to Improve Containerization from Asia to North America

Advances in Science, Technology and Engineering Systems Journal, Volume 6, Issue 1, Page # 479–486, 2021; DOI: 10.25046/aj060152
Abstract:

The constant market change and the critical role of the logistics process in the supply chain need to have special attention because it is an essential piece for the global business strategy. This paper presents an assessment of the processes of handling material from Asia suppliers to North America. The data utilized for the analysis…

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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 Industrial Engineering (EID))
Open AccessArticle
8 Pages, 811 KB Download PDF

Ecosystem of Renewable Energy Enterprises for Sustainable Development: A Systematic Review

Advances in Science, Technology and Engineering Systems Journal, Volume 6, Issue 1, Page # 401–408, 2021; DOI: 0.25046/aj060146
Abstract:

In the Global sphere, the social, environmental, and economic pillars are the main contributors and accelerators to the sustainable development goals. As a result, the latter creates a platform for interdisciplinary researchers, society and decision-makers to collaborate in formulating ways to minimize factors contributing to environmental concerns. Energy is currently referred to as one of…

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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 Green & Sustainable Science & Technology (GSS))
Open AccessArticle
7 Pages, 941 KB Download PDF

Classification of Wing Chun Basic Hand Movement using Virtual Reality for Wing Chun Training Simulation System

Advances in Science, Technology and Engineering Systems Journal, Volume 6, Issue 1, Page # 250–256, 2021; DOI: 10.25046/aj060128
Abstract:

To create a Virtual Reality (VR) system for Wing Chun’s basic hand movement training, capturing, and classifying movement data is an important step. The main goal of this paper is to find the best possible method of classifying hand movement, particularly Wing Chun’s basic hand movements, to be used in the VR training system. This…

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(This article belongs to Section Artificial Intelligence in Computer Science (CAI))
Open AccessArticle
6 Pages, 1,031 KB Download PDF

Analysis of Real-time Blockchain Considering Service Level Agreement (SLA)

Advances in Science, Technology and Engineering Systems Journal, Volume 6, Issue 1, Page # 218–223, 2021; DOI: 10.25046/aj060124
Abstract:

The Blockchain technologies enable decentralized networking consisting of large number of nodes. To determine the shared states and failures of all nodes in a fully distributed peer-to-peer system, the appropriate consensus algorithm needs to be selected for each Internet of Things system. In this paper, a novel hierarchical voting-based byzantine fault tolerance (HBFT) consensus algorithm…

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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
12 Pages, 546 KB Download PDF

Modified Blockchain based Hardware Paradigm for Data Provenance in Academia

Advances in Science, Technology and Engineering Systems Journal, Volume 6, Issue 1, Page # 66–77, 2021; DOI: 10.25046/aj060108
Abstract:

Educational organizations often need to distribute academic transcripts and certificates upon student’s request since they are mandatory for admission into new scholarly programs including placement activities. Manual procedures involved with the transmission process of academic document is indeed a tedious task that results in substantial overhead. Thus the necessity for an autonomous electronic system for…

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(This article belongs to Section Electronic Engineering (EEE))
Open AccessArticle
6 Pages, 572 KB Download PDF

Switching Capability of Air Insulated High Voltage Disconnectors by Active Add-On Features

Advances in Science, Technology and Engineering Systems Journal, Volume 6, Issue 1, Page # 43–48, 2021; DOI: 10.25046/aj060105
Abstract:

The need of add-on features (secondary contacts) for current paths of air insulated high voltage disconnectors switching capabilities (e.g. bus transfer switching) is introduced. The relevant product components for the switching capability and their functionality is described, which is giving boundary conditions for adding features necessary to achieve the switching capability. Possible features are discussed…

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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, 1,433 KB Download PDF

Education Value Chain Model for Examination, Grading, and Evaluation Process in Higher Education based on Blockchain Technology

Advances in Science, Technology and Engineering Systems Journal, Volume 5, Issue 6, Page # 1698–1703, 2020; DOI: 10.25046/aj0506202
Abstract:

Blockchain is a solution to improve data integrity and minimize data manipulation. Blockchain technology can be used in student examination management in universities. The process of managing student examination produces some information that can be stored in a blockchain database such as information about the lecturer as the exam creator, exam proctor, student attendance, student…

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(This article belongs to Section Information Systems in Computer Science (CIS))
Open AccessArticle
8 Pages, 1,044 KB Download PDF

Analysis and Evaluation of Competitiveness in Medical Tourism Industry in Taiwan

Advances in Science, Technology and Engineering Systems Journal, Volume 5, Issue 6, Page # 1690–1697, 2020; DOI: 10.25046/aj0506201
Abstract:

Tourism is relatively high profit, low-cost and high work opportunity industry. Medical tourism is special kind of business type in tourism industry. The characteristic of medical tourism is high threshold and high profit for hospital and government. But, fewer literatures research about competitiveness of medical tourism industry until now. Especially, medical tourism industry faces big…

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(This article belongs to the SP11 (Special Issue on Innovation in Computing, Engineering Science & Technology 2021) & Section Operations Research & Management Science (ORM))
Open AccessArticle
8 Pages, 2,768 KB Download PDF

A Software-Defined Network Approach for The Best Hospital Localization Against Coronavirus (COVID-19)

Advances in Science, Technology and Engineering Systems Journal, Volume 5, Issue 6, Page # 1537–1544, 2020; DOI: 10.25046/aj0506184
Abstract:

Traditional networks have difficulty in meeting the technological developments and the continuous increase in the size of data to be processed. Software-Defined Network (SDN) approach has emerged as an alternative to traditional networks. SDN separates the control and data planes from each other and manages the network over the control plane with flexibility and cost…

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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
11 Pages, 967 KB Download PDF

Impact of Changing Microstructural Compositions of Lime Based Mortar on Flexibility: Case Study of Sustainable Lime-Cement Composites

Advances in Science, Technology and Engineering Systems Journal, Volume 5, Issue 6, Page # 1488–1498, 2020; DOI: 10.25046/aj0506179
Abstract:

Lime mortar, an age-long building material is primarily popular for its flexibility, the basis of its ability to accommodate masonry deformation, hence durability. However, lime’s characteristic delayed setting/hardening time, low mechanical strength and poor internal cohesion often characterised by volumetric changes have put its use into decline. These shortcomings have therefore relegated relevance of this…

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(This article belongs to Section Construction & Building Technology (CBT))
Open AccessArticle
8 Pages, 1,407 KB Download PDF

Comparative Study Between Three Methods for Optimizing the Power Produced from Photovoltaic Generator

Advances in Science, Technology and Engineering Systems Journal, Volume 5, Issue 6, Page # 1458–1465, 2020; DOI: 10.25046/aj0506175
Abstract:

The technics of maximum power point tracking is widely used in solar photovoltaic energy and electric power system applications. Traditionally, these technics are based on conventional methods like perturb and observe and incremental conductance. In this work, three methods based on particle swarms optimization, incremental conductance and adaptive neuro fuzzy inference system are presented. A…

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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
5 Pages, 781 KB Download PDF

Quality of Life in Patients with Type 2 Diabetes of the Central Hospital of the Peruvian Air Force, 2019

Advances in Science, Technology and Engineering Systems Journal, Volume 5, Issue 6, Page # 1340–1344, 2020; DOI: 10.25046/aj0506160
Abstract:

This research shows the study carried out on the Health Related to Quality of Life (HRQL) focuses on aspects related to the perception of health experienced and declared by the person, in different dimensions such as physical, mental, social, general perception of health and satisfaction achieved measured at different levels; the objective of the study…

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(This article belongs to the SP10 (Special Issue on Multidisciplinary Sciences and Engineering 2020-21) & Section Psychiatry (PSY))
Open AccessArticle
7 Pages, 859 KB Download PDF

Creativity in Prototypes Design and Sustainability – The case of Social Organizations

Advances in Science, Technology and Engineering Systems Journal, Volume 5, Issue 6, Page # 1237–1243, 2020; DOI: 10.25046/aj0506147
Abstract:

The role of creativity techniques in the design of prototypes is of particular interest given its potential for innovation. At same time, despite the efforts of decades in terms of policies and programs of action, humanity has not yet come close to global sustainability. Sustainability design must involve society and creatively employ all available knowledge…

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(This article belongs to the SP10 (Special Issue on Multidisciplinary Sciences and Engineering 2020-21) & Section Operations Research & Management Science (ORM))
Open AccessArticle
16 Pages, 1,640 KB Download PDF

Multi-Criteria Decision Analysis Coupled with GIS and Remote Sensing Techniques for Delineating Suitable Artificial Aquifer Recharge Sites in Tafilalet Plain (Morocco)

Advances in Science, Technology and Engineering Systems Journal, Volume 5, Issue 6, Page # 1109–1124, 2020; DOI: 10.25046/aj0506135
Abstract:

Despite that groundwater is an important and vital water resource, it is not well managed; depletion of aquifers around the world due to overexploitation is of serious concern especially in arid regions where the situation is much more alarming. Tafilalet plain in Morocco which belongs to this type of environment is certainly no exception and…

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(This article belongs to the SP10 (Special Issue on Multidisciplinary Sciences and Engineering 2020-21) & Section Remote Sensing (RMS))
Open AccessArticle
7 Pages, 999 KB Download PDF

5G, Vehicle to Everything Communication: Opportunities, Constraints and Future Directions

Advances in Science, Technology and Engineering Systems Journal, Volume 5, Issue 6, Page # 1089–1095, 2020; DOI: 10.25046/aj0506132
Abstract:

The 5G, as a new source of telecommunication infrastructure technology, has attracted many stakeholders to promote the progress of its standards and the development of its technology industry. The 5G reinforces new technologies and delivers vehicles for everything services (V2X) to drivers and passengers. It also offers several advantages. On the other hand, due to…

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(This article belongs to the SP9 (Special Issue on Multidisciplinary Innovation in Engineering Science & Technology 2020) & Section Telecommunications (TEL))
Open AccessArticle
10 Pages, 1,134 KB Download PDF

Developing a Modular Material-Based Independent Training Model for Primary School Teacher Training

Advances in Science, Technology and Engineering Systems Journal, Volume 5, Issue 6, Page # 1054–1063, 2020; DOI: 10.25046/aj0506128
Abstract:

This study is based on the challenges related to the low quality of education in Indonesia. One of the reasons for these challenges is the low ability of teachers to conduct professional tasks. Future demands for teachers’ professionalization will be higher, considering the rapid development of society, science and technology, and current global competitiveness. In…

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(This article belongs to Section Behavioral Sciences (BHS))
Open AccessArticle
7 Pages, 943 KB Download PDF

Estimating LAI of Rice Using NDVI Derived from MODIS Surface Reflectance

Advances in Science, Technology and Engineering Systems Journal, Volume 5, Issue 6, Page # 1047–1053, 2020; DOI: 10.25046/aj0506127
Abstract:

The measurement of Leaf Area Index is of fundamental importance in agriculture and ecological research because it reflects plant growth. This study aims to estimate LAI from, NDVI derived from standard eight days composite MODIS surface reflectance, acquired during the rice growing period. A two-stage model was developed to relate the LAI of rice to…

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(This article belongs to Section Agriculture, Multidisciplinary (AMU))
Open AccessArticle
7 Pages, 852 KB Download PDF

NPC five level inverter using SVPWM for Grid-Connected Hybrid Wind-Photovoltaic Generation System

Advances in Science, Technology and Engineering Systems Journal, Volume 5, Issue 6, Page # 981–987, 2020; DOI: 10.25046/aj0506117
Abstract:

This paper covers a new topology, a synchronous wind turbine generator, and a solar photovoltaic generator. The Permanent Magnet Synchronous Generator is linked to the grid by back-to-back voltage source converters (BtB VSC), consisting of a two-stage rectifier and a five-stage Neutral Point Clamped inverter, operated by the Space Vector Pulse Width Modulation technique. A…

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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
9 Pages, 414 KB Download PDF

Docker-C2A : Cost-Aware Autoscaler of Docker Containers for Microservices-based Applications

Advances in Science, Technology and Engineering Systems Journal, Volume 5, Issue 6, Page # 972–980, 2020; DOI: 10.25046/aj0506116
Abstract:

This article proposes a cost-aware autoscaler for microservices-based applications deployed with docker containers. This autoscaler decreases the cost of the application deployment as it reduces computing resources. In elastic treatment, microservice resources are scaled when the used metric as the central processing unit (CPU) exceeds the threshold. In case of threshold exceeding, an autoscaler adds…

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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
8 Pages, 753 KB Download PDF

Standalone Operation of Modified Seven-Level Packed U-Cell Inverter for Solar Photovoltaic System

Advances in Science, Technology and Engineering Systems Journal, Volume 5, Issue 6, Page # 959–966, 2020; DOI: 10.25046/aj0506114
Abstract:

In this paper, a modified configuration of Single-Phase Seven-Level Packed U-Cell (PUC) Multilevel Inverter for solar photovoltaic system is presented & investigated for standalone operation. The Seven-Level MPUC Inverter comprises of six semiconductor switches & two DC links which generates seven voltage levels at the inverter output. The maximum amplitude of inverter output voltage is…

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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, 641 KB Download PDF

Investigating the Optical Behavior of Single/Multi-Dimensional Photonic Crystal Structures for Photovoltaic Applications

Advances in Science, Technology and Engineering Systems Journal, Volume 5, Issue 6, Page # 951–958, 2020; DOI: 10.25046/aj0506113
Abstract:

The results investigated in this work are toward the optimization of the photonic crystal structures in 1D and 2D scale. One-dimensional distributed Bragg reflectors (DBRs) have demonstrated substantial potential in various optoelectronic applications, due to the observed tunable optical band-gap. Herein, the use of DBRs in light trapping solar cells was simulated and validated, representing…

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