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Open AccessArticle
8 Pages, 383 KB Download PDF

A Blockchain-Based Architecture for Smart Healthcare System: A Case Study of Saudi Arabia

Advances in Science, Technology and Engineering Systems Journal, Volume 5, Issue 1, Page # 40–47, 2020; DOI: 10.25046/aj050106
Abstract:

eHealth is the use of Information and Communication Technologies (ICT) to enhance health quality access. Health care innovations are an essential element of Vision 2030 and National Transformation Program (NTP) 2020 operational plan that will lead to an improvement in the quality of health care in Saudi Arabia. The objective of this paper is to…

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(This article belongs to Section Theory & Methods in Computer Science (CTM))
Open AccessArticle
12 Pages, 1,518 KB Download PDF

Performance Analysis of Routing Protocols in Resource-Constrained Opportunistic Networks

Advances in Science, Technology and Engineering Systems Journal, Volume 4, Issue 6, Page # 402–413, 2019; DOI: 10.25046/aj040651
Abstract:

Recently, opportunistic networks are considered as one of the most attractive developments of ad hoc mobile networks (MANETs) that have emerged thanks to the development of intelligent devices. Due to the mobility-related instability of the paths between nodes and due to the limited buffer and energy resources, the ultimate objective of routing protocols in opportunistic…

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(This article belongs to Section Network Engineering (ENW))
Open AccessArticle
9 Pages, 1,243 KB Download PDF

A Multi-Objective Voltage Optimization Technique in Distribution Feeders with High Photovoltaic Penetration

Advances in Science, Technology and Engineering Systems Journal, Volume 4, Issue 6, Page # 377–385, 2019; DOI: 10.25046/aj040648
Abstract:

With increasing photovoltaic (PV) penetration on distribution feeders, voltage functions is always a challenge. To control these variations due to the intermittent nature of PV generation,many utility companies use the traditional voltage regulating devices such as ON/OFF load tap changers, voltage regulators, switched capacitor banks and reactors. The use of smart inverters (SI) has been…

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(This article belongs to the SP8 (Special Issue on Multidisciplinary Sciences and Engineering 2019-20) & Section Electrical Engineering (ELE))
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
11 Pages, 13,074 KB Download PDF

A Method for Mosaicking Aerial Images based on Flight Trajectory and the Calculation of Symmetric Transfer Error per Inlier

Advances in Science, Technology and Engineering Systems Journal, Volume 4, Issue 6, Page # 328–338, 2019; DOI: 10.25046/aj040642
Abstract:

In recent years, development of aerial autonomous systems and cameras have allowed increasing enormously the number of aerial images, and their applications in many research areas. One of the most common applications is the mosaicking of images to improve the analysis by getting representations of larger areas with high spatial resolution. This paper describes a…

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(This article belongs to the SP8 (Special Issue on Multidisciplinary Sciences and Engineering 2019-20) & Section Imaging Science & Photographic Technology (IPT))
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, 712 KB Download PDF

LED Lighting Implementation as a Strategy for Energy Saving in Energetically Sustainable Campus

Advances in Science, Technology and Engineering Systems Journal, Volume 4, Issue 5, Page # 360–368, 2019; DOI: 10.25046/aj040547
Abstract:

Since lighting constitutes an important part of the total electricity consumption of a country, the design and implementation of more efficient interior lighting systems are one of the feasible strategies to reduce energy consumption. With this purpose, in recent years several studies have considered the use of LED lighting systems. However, its implementation at a…

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(This article belongs to Section Multidisciplinary Engineering (EMU))
Open AccessArticle
6 Pages, 946 KB Download PDF

Estimating Academic results from Trainees’ Activities in Programming Exercises Using Four Types of Machine Learning

Advances in Science, Technology and Engineering Systems Journal, Volume 4, Issue 5, Page # 321–326, 2019; DOI: 10.25046/aj040541
Abstract:

Predicting trainees’ final academic results in the early stage of programming class is a significant mission in the field of learning analytics. Performing exercises in programming class is hard and it takes a lot of time for trainees. For this reason, careful support with trainees are offered in many classes through classroom assistants (CAs). Even…

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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, 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
12 Pages, 819 KB Download PDF

DFIG Defects Diagnosis Method for Wind Energy Conversion Chain

Advances in Science, Technology and Engineering Systems Journal, Volume 4, Issue 5, Page # 174–185, 2019; DOI: 10.25046/aj040523
Abstract:

This paper is an extension of research work originally presented in 2018 IEEE fifth International Congress on Information Science and Technology (CiSt). The research consists on developing method to diagnose electrical defects affecting wind turbine doubly-fed induction generator DFIG which constitutes a crucial part of wind energy conversion chain. First off all, we create a…

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(This article belongs to the SP8 (Special Issue on Multidisciplinary Sciences and Engineering 2019-20) & Section Electrical Engineering (ELE))
Open AccessArticle
4 Pages, 576 KB Download PDF

Development of Teaching Aids Selection Standards in Maker Education

Advances in Science, Technology and Engineering Systems Journal, Volume 4, Issue 5, Page # 139–142, 2019; DOI: 10.25046/aj040518
Abstract:

Due to the recent development of information and communication technology, such as sensor technology, IoT technology, and smart technology, interest in maker education is increasing. Maker education offers students experience-based education that allows them to make their own results, giving them various interests and motivations. Recently, various research results on maker education have been under…

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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, 292 KB Download PDF

Green Inventory Supply Chain Model with Inflation under Permissible Delay in Finite Planning Horizon

Advances in Science, Technology and Engineering Systems Journal, Volume 4, Issue 5, Page # 123–131, 2019; DOI: 10.25046/aj040516
Abstract:

Trade credit is an important cost reduction tool in the inventory management. The effect of trade credit is studied on the integrated system for sharing the cost benefits realized due to the permissible delay. Credit term factor is introduced to divide the cost benefits between the retailer and the supplier. The various costs in 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
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
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, 1,316 KB Download PDF

The Fusing Framework Between Lifting Carrier and Tractor-Trailer for Modern Transportation

Advances in Science, Technology and Engineering Systems Journal, Volume 4, Issue 4, Page # 522–528, 2019; DOI: 10.25046/aj040463
Abstract:

The integrating model becomes one of key trends in engineering design. The more the product has functional specifications, the more the industrial consumer apply in many fields. In this paper, a fusion design of architecture platform for autonomous system is demonstrated. It is greater due to combining the specifications of various types in commercial market…

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(This article belongs to the SP7 (Special Issue on Advancement in Engineering and Computer Science 2019) & Section Automation & Control Systems (ACS))
Open AccessArticle
12 Pages, 264 KB Download PDF

Using Privacy Enhancing and Fine-Grained Access Controlled eKYC to implement Privacy Aware eSign

Advances in Science, Technology and Engineering Systems Journal, Volume 4, Issue 4, Page # 347–358, 2019; DOI: 10.25046/aj040443
Abstract:

eSign is an online electronic signature service which is recently gaining more prominence in India. eSign is based on two online services from UIDAI, viz. a viz., Aadhaar based authentication and retrieval of resident’s eKYC information after taking his/her consent. With increased adoption of Aadhaar based services, privacy of user data has become more and…

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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
6 Pages, 951 KB Download PDF

Enhancing Bodily Movements of the Visually Impaired Children by Airflow

Advances in Science, Technology and Engineering Systems Journal, Volume 4, Issue 4, Page # 308–313, 2019; DOI: 10.25046/aj040439
Abstract:

This study involved three departments of teachers and students. The concept of the flow-motivated exercise implemented with a set of flow nozzles. A computer-controlled airflow with specific music introduced, and the motion responses from the participants were analyzed during the initial test and field study. During the initial examination, we adjusted the magnitude and distance…

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(This article belongs to the SP8 (Special Issue on Multidisciplinary Sciences and Engineering 2019-20) & Section Interdisciplinary Applications of Computer Science (CSI))
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, 737 KB Download PDF

Event Monitoring using Distributed Pattern Recognition Approach on Integrated IoT-Blockchain Network

Advances in Science, Technology and Engineering Systems Journal, Volume 4, Issue 4, Page # 256–264, 2019; DOI: 10.25046/aj040432
Abstract:

With the advancement in the field of Internet-of-Things (IoT), event monitoring applications have rapidly evolved from a simple event data acquisition towards predictive event analytics involving multi-sensory data aggregation in a distributed environment. Existing event monitoring schemes are mainly relying on ine_cient centralized processing mechanism, which may lead to the common single-point of failure for…

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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, 1,813 KB Download PDF

Optical Braille Recognition Software Prototype for the Sinhala Language

Advances in Science, Technology and Engineering Systems Journal, Volume 4, Issue 4, Page # 221–229, 2019; DOI: 10.25046/aj040427
Abstract:

Braille system is purposely made for visually impaired people, to support their literal communication in order to share their knowledge. Louis Braille introduced the braille system consists of series dots which are embossed to read by touching. Early days Braille papers are made manually, but at current days braille documents are made using machines. Due…

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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
6 Pages, 646 KB Download PDF

Optimal Discrete-time Sliding Mode Control for Nonlinear Systems Subject to Input Constraints

Advances in Science, Technology and Engineering Systems Journal, Volume 4, Issue 4, Page # 141–146, 2019; DOI: 10.25046/aj040417
Abstract:

In this paper, an optimal discrete-time sliding mode control is proposed for single-input single-output nonlinear systems with input constraints. The sliding surface is designed on the basis of particle swarm optimization algorithm in order to optimize the system response characteristics while ensuring the follow-up of reference model in presence of constraints. Moreover, the controller is…

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(This article belongs to the SP7 (Special Issue on Advancement in Engineering and Computer Science 2019) & Section Automation & Control Systems (ACS))
Open AccessArticle
8 Pages, 2,099 KB Download PDF

All-Pass RC-Filters Architecture with Independent Adjustment of the Main Parameters Based on Differential Difference Amplifiers

Advances in Science, Technology and Engineering Systems Journal, Volume 4, Issue 4, Page # 65–72, 2019; DOI: 10.25046/aj040409
Abstract:

We have suggested an architecture of the second-order all-pass active RC-filter (ARCF), based on three differential difference amplifiers (DDA’s), which provides full set of amplitude-frequency responses (AFR’s) (low pass filter (LPF), high pass filter (HPF), band pass filter (BPF), rejection filter (RF)). We have given the basic equations, which allow ARCF’s. The results of computer…

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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, 1,635 KB Download PDF

Energy Consumption Evaluation of Air Cooled Chiller With Cold Storage System Powered by Photovoltaic Modules

Advances in Science, Technology and Engineering Systems Journal, Volume 4, Issue 3, Page # 235–243, 2019; DOI: 10.25046/aj040331
Abstract:

Renewable energy becomes an appealing technology used in many applications in our life. Environmentally, it reduces CO2 emissions and enhances the sustainability of the system. This paper study the benefits of using a photovoltaic system with a thermal storage tank to power air-cooled chiller, in two different scenarios. The simulation methodology is adopted in this…

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(This article belongs to Section Mechanical Engineering (EMH))
Open AccessArticle
7 Pages, 1,654 KB Download PDF

Brain-inspired IoT Controlled Walking Robot – Big-Foot

Advances in Science, Technology and Engineering Systems Journal, Volume 4, Issue 3, Page # 220–226, 2019; DOI: 10.25046/aj040329
Abstract:

This work presents the development of an original idea for a walking robot with a minimum number of motors, simple construction and a control system based on the brain bioelectrical activities. Described are geometric and kinematic dependencies related to the robot movement, as well as brain-inspired IoT control method. Various aspects are discussed for improving…

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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
4 Pages, 570 KB Download PDF

Digitization Impact Assessment Model for Secondary Schools: Case of Nairobi County in Kenya

Advances in Science, Technology and Engineering Systems Journal, Volume 4, Issue 3, Page # 194–197, 2019; DOI: 10.25046/aj040326
Abstract:

Digitization is viewed as the capability to utilize digital technologies for generating processing, sharing and transacting information. Studies show that digitization has now become ubiquitous. In almost all the sectors, we routinely interact with digital technologies. As a result, the impact of digitization is being observed in such sectors. For instance, the positive impact of…

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(This article belongs to the SP6 (Special Issue on Recent Advances in Engineering Systems 2018-19) & Section Interdisciplinary Applications of Computer Science (CSI))
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