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Open AccessArticle
4 Pages, 671 KB Download PDF

Study of MX/M/1 Queueing System with Vacation, Two kinds of Repair facilities and Server Timeout

Advances in Science, Technology and Engineering Systems Journal, Volume 4, Issue 6, Page # 339–342, 2019; DOI: 10.25046/aj040643
Abstract:

The present paper details a queueing model with two kinds of repair facilities and server timeout. Here the customer arrives in compound Poisson process into the system and the lifetime of the server follows exponential distribution. At the point when the system is vacant, the server waits for customers for a settled time ‘c’. If…

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(This article belongs to Section Statistics & Probability (STP))
Open AccessArticle
6 Pages, 652 KB Download PDF

Data Dashboard for Decision Support Systems for Intrapreneurship in A Company

Advances in Science, Technology and Engineering Systems Journal, Volume 4, Issue 6, Page # 177–182, 2019; DOI: 10.25046/aj040622
Abstract:

Nowadays, as the Information and Technology rapidly growing all across the world, Indonesia as one of many developed countries always tries to keep up relating to this trend. Regarding to this situation, the use of Information and Technology in various fields are greatly enhanced, and not to mention businesses. There are a lot of businesses…

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(This article belongs to Section Information Systems in Computer Science (CIS))
Open AccessArticle
5 Pages, 2,229 KB Download PDF

Intelligent Wireless System for PV Supervision Based on The Raspberry Pi

Advances in Science, Technology and Engineering Systems Journal, Volume 4, Issue 6, Page # 94–98, 2019; DOI: 10.25046/aj040611
Abstract:

Photovoltaic systems and monitoring go hand in hand. There is no better way to check the health of your photovoltaic system than to utilize a remote monitoring system. Monitoring and tracking of photovoltaic systems are crucial for reliable functioning and optimal yield of any solar electric system. This paper aims to introduce a remote electronic…

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(This article belongs to the isaect-18 (Special Issue on Advanced Electrical and Communication Technologies 2019) & Section Green & Sustainable Science & Technology (GSS))
Open AccessArticle
6 Pages, 2,251 KB Download PDF

Monitoring System Using GPS for Logistic’s Key Performance Indicator

Advances in Science, Technology and Engineering Systems Journal, Volume 4, Issue 6, Page # 32–37, 2019; DOI: 10.25046/aj040604
Abstract:

Transportation vendors are important for distribution companies to deliver goods or products. Operational problems of logistic process in transportation vendors’ activities are difficult to track and monitor directly in the field, such as driver’s position, the delivery, and so forth. These problems result in the difficulty to measure the performance of vendors’ activities. The aim…

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(This article belongs to Section Cybernetics in Computer Science (CCY))
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
10 Pages, 1,549 KB Download PDF

Modelling and Control of The PV Power System Dedicated to The Greenhouse for Reduced Energy Consumption

Advances in Science, Technology and Engineering Systems Journal, Volume 4, Issue 5, Page # 384–393, 2019; DOI: 10.25046/aj040550
Abstract:

A control of the greenhouse when it is connected to the photovoltaic generator is described in this paper. The greenhouse is modulated by differential equations while the temperature and humidity are regulated using the fuzzy logic controller. The photovoltaic system can supply maximum power for a specified voltage and output current. In addition, the fuzzy…

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(This article belongs to Section Electrical Engineering (ELE))
Open AccessArticle
5 Pages, 901 KB Download PDF

Performances of Thermoelectric Cooling System for Cooling Flowing Water in a Water Block

Advances in Science, Technology and Engineering Systems Journal, Volume 4, Issue 5, Page # 268–272, 2019; DOI: 10.25046/aj040533
Abstract:

This study investigated thermoelectric cooling system performances to cool the water flowing inside a water block. The experiments employed two identical thermoelectrics model TEC2-25408 with an overall dimension of 40 mm x 40 mm x 6.4 mm. The cold side of the thermoelectric was affixed to the top surface of the water block, while the…

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(This article belongs to Section Mechanics (MEC))
Open AccessArticle
9 Pages, 2,001 KB Download PDF

Transformation of Solar Energy to Electricity with Photovoltaic Systems, Reduction of Electrical Consumption and Installation of LED Lamps in the ITSAO

Advances in Science, Technology and Engineering Systems Journal, Volume 4, Issue 5, Page # 234–242, 2019; DOI: 10.25046/aj040529
Abstract:

In this work of technological development and research is presented the work done in the ITSAO to contribute to the use of clean energy such as photovoltaics and the implementation of activities to reduce electricity consumption by the technological community, the monitoring of electricity consumption is made on a monthly basis and an annual report…

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(This article belongs to the SP7 (Special Issue on Advancement in Engineering and Computer Science 2019) & Section Electrical Engineering (ELE))
Open AccessArticle
11 Pages, 1,094 KB Download PDF

Improvement opportunities of a Simulation/Expert System Approach for Manufacturing System Sizing: A review and proposal

Advances in Science, Technology and Engineering Systems Journal, Volume 4, Issue 5, Page # 213–223, 2019; DOI: 10.25046/aj040527
Abstract:

Manufacturing System (MS) sizing is a crucial task to complete in order to obtain the desired MS performance and efficiency. It involves selecting the required number of resources from each used type in a given planning horizon. In fact, different approaches coupling simulation/optimization tools have been developed to solve this issue and evaluate the MS…

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(This article belongs to the SP7 (Special Issue on Advancement in Engineering and Computer Science 2019) & Section Manufacturing Engineering (EMF))
Open AccessArticle
6 Pages, 1,157 KB Download PDF

Integrating Diacritics Restoration and Question Classification into Vietnamese Question Answering System

Advances in Science, Technology and Engineering Systems Journal, Volume 4, Issue 5, Page # 207–212, 2019; DOI: 10.25046/aj040526
Abstract:

This paper presents a solution for question answering system for Vietnamese language by integrating diacritics restoration and question classification via deep learning approach. It could be said that this will be the first research integrating two phases into Vietnamese question answering system. Question classification has a critical role in the question answering system. However if…

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(This article belongs to the SP7 (Special Issue on Advancement in Engineering and Computer Science 2019) & Section Interdisciplinary Applications of Computer Science (CSI))
Open AccessArticle
5 Pages, 948 KB Download PDF

Android Application to Detect Cat Disease Using an Expert System

Advances in Science, Technology and Engineering Systems Journal, Volume 4, Issue 5, Page # 158–162, 2019; DOI: 10.25046/aj040521
Abstract:

The purpose of this research is to develop an android application named “TANYA MEOW” which can be used by cat owners to detect the diseases that their cats suffer based on visible symptoms. The cat owners need to answer questionnaire to detect what disease is suffering by their cat. The result of the disease is…

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(This article belongs to Section Software Engineering in Computer Science (CSE))
Open AccessArticle
7 Pages, 1,204 KB Download PDF

Toward a Smart Campus Using IoT: Framework for Safety and Security System on a University Campus

Advances in Science, Technology and Engineering Systems Journal, Volume 4, Issue 5, Page # 97–103, 2019; DOI: 10.25046/aj040512
Abstract:

Recently, there is an enormous research on the smart campus concept due to the revolution of the IoT technologies. The motivation of this paper is to: reinforce the safety on campus, reduce the cost, and take one step forward toward a University smart campus. In this paper, we are not only proposing a framework that…

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(This article belongs to the SP7 (Special Issue on Advancement in Engineering and Computer Science 2019) & Section Information Systems in Computer Science (CIS))
Open AccessArticle
13 Pages, 1,217 KB Download PDF

Assessment of the Quality and Sustainability Implications of FIFO and LIFO Inventory Policies through System Dynamics

Advances in Science, Technology and Engineering Systems Journal, Volume 4, Issue 5, Page # 69–81, 2019; DOI: 10.25046/aj040509
Abstract:

Perishable inventory management contributes simultaneously to society and the economy, by reducing food wastage and capitalizing on the freshness of goods. For this reason, countless mathematical models have been developed for their effectiveness and cost-efficient management. Yet, the majority of these models can only optimize systems for a limited time frame, allowing for small gains…

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

Proposal for a Security Model for a Popular Voting System Process in Latin America

Advances in Science, Technology and Engineering Systems Journal, Volume 4, Issue 5, Page # 53–60, 2019; DOI: 10.25046/aj040507
Abstract:

In Latin America, there is a need for better security systems in different national or sectional votes, which is why this study was carried out, to show a proposal for a security model that helps to obtain better results and to this purpose has been selected information on the database for different Latin American countries,…

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(This article belongs to Section Information Systems in Computer Science (CIS))
Open AccessArticle
7 Pages, 1,089 KB Download PDF

Low-Cost and Accurate Computational System for Efficiency Measures over Photovoltaic Arrays

Advances in Science, Technology and Engineering Systems Journal, Volume 4, Issue 5, Page # 39–45, 2019; DOI: 10.25046/aj040505
Abstract:

In this paper, we present a new Somewhat Homomorphic Encryption (SHE) scheme using computation over complex numbers. We then use Bootstrapping technique to make the scheme Fully Homomorphic (FH) and supports unbounded number of circuit depth. In addition to its homomorphic properties and security level, a main characteristic of the proposed new scheme is its…

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(This article belongs to the SP7 (Special Issue on Advancement in Engineering and Computer Science 2019) & Section Electrical Engineering (ELE))
Open AccessArticle
7 Pages, 519 KB Download PDF

Melanoma detection using color and texture features in computer vision systems

Advances in Science, Technology and Engineering Systems Journal, Volume 4, Issue 5, Page # 16–22, 2019; DOI: 10.25046/aj040502
Abstract:

All forms of skin cancer are becoming widespread. These forms of cancer, and melanoma in particular, are insidious and aggressive and if not treated promptly can be lethal to humans. Effective treatment of skin lesions depends strongly on the timeliness of the diagnosis: for this reason, artificial vision systems are required to play a crucial…

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(This article belongs to the SP7 (Special Issue on Advancement in Engineering and Computer Science 2019) & Section Bioinformatics (BIF))
Open AccessArticle
15 Pages, 714 KB Download PDF

Logic Error Detection System based on Structure Pattern and Error Degree

Advances in Science, Technology and Engineering Systems Journal, Volume 4, Issue 5, Page # 01–15, 2019; DOI: 10.25046/aj040501
Abstract:

The importance of programming skills has increased with advances in information and communication technology (ICT). However, the difficulty of learning programming is a major problem for novices. Therefore, we propose a logic error detection algorithm based on structure patterns, which are an index of similarity based on abstract syntax trees, and error degree, which is…

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(This article belongs to the SP7 (Special Issue on Advancement in Engineering and Computer Science 2019) & Section Interdisciplinary Applications of Computer Science (CSI))
Open AccessArticle
9 Pages, 866 KB Download PDF

A Fuzzy-Based Approach and Adaptive Genetic Algorithm in Multi-Criteria Recommender Systems

Advances in Science, Technology and Engineering Systems Journal, Volume 4, Issue 4, Page # 449–457, 2019; DOI: 10.25046/aj040454
Abstract:

Recommender Systems (RSs) are termed as web-based applications that make use of filtering methods and several machine learning algorithms to suggest relevant user objects. It can be said that some techniques are usually adopted or trained to develop these systems that generate lists of suitable recommendations. Conventionally, RS uses a single rating approach to preference…

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(This article belongs to the SP7 (Special Issue on Advancement in Engineering and Computer Science 2019) & Section Artificial Intelligence in Computer Science (CAI))
Open AccessArticle
10 Pages, 1,361 KB Download PDF

A Balanced RF Power Amplifier using the Improvement 3-dB Quadrature Hybrid Couplers for Mitigation of the Reverse Intermodulation in FM Broadcasting Systems

Advances in Science, Technology and Engineering Systems Journal, Volume 4, Issue 4, Page # 421–430, 2019; DOI: 10.25046/aj040451
Abstract:

FM broadcast stations generate reverse intermodulation signals that cause communication problems between ATC controllers and pilots in the Air Traffic Control systems (ATC) in Thailand. In this paper proposes a balanced RF power amplifier using the improvement 3-dB quadrature hybrid couplers to reduce the reverse intermodulation of FM broadcasting systems. The mathematics analysis of the…

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(This article belongs to the SP7 (Special Issue on Advancement in Engineering and Computer Science 2019) & Section Electronic Engineering (EEE))
Open AccessArticle
9 Pages, 715 KB Download PDF

The Role of Information Technology Human Capability in the Implementation of Information Technology Governance (ITG): A Systematic Literature Review on Malaysian Organizations

Advances in Science, Technology and Engineering Systems Journal, Volume 4, Issue 4, Page # 314–322, 2019; DOI: 10.25046/aj040440
Abstract:

This study reviewed articles on information technology governance (ITG) in the Malaysian context and categorized the issues found in ITG implementation according to organizational-related and human-related issues. It further analysed the impact and role of information technology (IT) human capability in ITG implementation in developing countries like Malaysia, which is still in the infancy stage…

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(This article belongs to the SP7 (Special Issue on Advancement in Engineering and Computer Science 2019) & Section Engineering Management (EMM))
Open AccessArticle
8 Pages, 908 KB Download PDF

Investigating The Detection of Intention Signal During Different Exercise Protocols in Robot-Assisted Hand Movement of Stroke Patients and Healthy Subjects Using EEG-BCI System

Advances in Science, Technology and Engineering Systems Journal, Volume 4, Issue 4, Page # 300–307, 2019; DOI: 10.25046/aj040438
Abstract:

Improving the hand motor skills in post-stroke patients through rehabilitation based on movement intention derived signals from the brain in conjunction with robot-assistive technologies are explored. The experimental work is conducted using Electroencephalogram based Brain-Computer Interface (EEG-BCI) system and the AMADEO hand rehabilitation robotic device. Two protocols using visual-cues and then using a 2-Dimensional (2D)…

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(This article belongs to the SP7 (Special Issue on Advancement in Engineering and Computer Science 2019) & Section Biomedical Engineering (EBI))
Open AccessArticle
8 Pages, 696 KB Download PDF

Prototype of a Security Architecture for a System of Electronic Voting for the Ecuador

Advances in Science, Technology and Engineering Systems Journal, Volume 4, Issue 4, Page # 292–299, 2019; DOI: 10.25046/aj040437
Abstract:

To be able to perform a better voting system, it is important to go to ICT and its various platforms designed for electoral purposes, which are being used in several countries in Latin America. In Ecuador are being used digital mechanisms during the process, but with certain errors and he is being considered to implement…

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(This article belongs to Section Information Systems in Computer Science (CIS))
Open AccessArticle
7 Pages, 978 KB Download PDF

DSTATCOM-Fuel Cell System on Radial Low-voltage Distribution Network for Mitigating Voltage Rise Caused by High Penetration of Photovoltaic Systems

Advances in Science, Technology and Engineering Systems Journal, Volume 4, Issue 4, Page # 285–291, 2019; DOI: 10.25046/aj040436
Abstract:

The Malaysian government has recently announced to increase the share of renewable energy generation from 2% to 20% of the total electricity consumption by year 2030. However, integrating a significant level of renewable energy sources on the distribution network without proper coordination will cause adverse effects that leads to unnecessary operation costs to the stakeholders.…

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(This article belongs to the SP7 (Special Issue on Advancement in Engineering and Computer Science 2019) & Section Electrical Engineering (ELE))
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
9 Pages, 1,708 KB Download PDF

Inference Rule of Collision Risk Index based on Ship Near-Collision via Adaptive Neuro Fuzzy Inference System

Advances in Science, Technology and Engineering Systems Journal, Volume 4, Issue 4, Page # 152–160, 2019; DOI: 10.25046/aj040419
Abstract:

Collision risk index has been studied as the required quantitative values for decision-making of collision avoidance between ships. Recently, inference methods of the collision risk were proposed on the basis of the fuzzy theory because of being possible to collect data in real time. Existing fuzzy inference system was composed of only simulation results using…

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(This article belongs to the SP7 (Special Issue on Advancement in Engineering and Computer Science 2019) & Section Ocean Engineering (EOC))
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