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Open AccessArticle
21 Pages, 2,883 KB Download PDF

Intelligent Foundations for Knowledge Based Systems

Advances in Science, Technology and Engineering Systems Journal, Volume 4, Issue 4, Page # 73–93, 2019; DOI: 10.25046/aj040410
Abstract:

Knowledge Based Systems play a very important role, within Healthcare, with a primary goal of supporting a high quality service at an optimal cost. A widely accepted knowledge acquisition technique is through the use of Business Rules in a natural language like format. As clinical terminology is centric to HealthCare, a large percentage of these…

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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
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
7 Pages, 2,024 KB Download PDF

Frequency-Tunable Narrow-Band Ladder-Shape Microstrip Patch Antenna for TV Applications

Advances in Science, Technology and Engineering Systems Journal, Volume 4, Issue 4, Page # 51–57, 2019; DOI: 10.25046/aj040407
Abstract:

In this paper, a frequency-tunable antenna is proposed based on a previous antenna which has a ladder shape and a size of 120 x 50 mm2. It is fed using a coaxial cable and it is operational at 700 MHz which is in the UHF band with a bandwidth of 30 MHz. Varactors, having a…

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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
4 Pages, 946 KB Download PDF

The Study of PSi & PSo Algorithm for Reducing Power of the Mobile Communication Network

Advances in Science, Technology and Engineering Systems Journal, Volume 4, Issue 4, Page # 47–50, 2019; DOI: 10.25046/aj040406
Abstract:

Recently, the trend of mobile communication network in Korea has been dramatically increasing the number of operating equipment for managing the explosion of wireless data traffic in 4G LTE network. This phenomenon has caused an increase in the operating cost to the mobile telecommunication service provider. Especially, the study about the reduction of the operating…

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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
13 Pages, 1,626 KB Download PDF

Career Recommendation System for Scientific Students Based on Ontologies

Advances in Science, Technology and Engineering Systems Journal, Volume 4, Issue 4, Page # 29–41, 2019; DOI: 10.25046/aj040404
Abstract:

Students are usually unaware of their own skills. They choose to follow the trend, rather than the proper pathway. Which negatively a_ects the professional sector, and the development of the country. Orienting students, and guiding them would o_er considerable benefits. Building the appropriate student’s profiles is the golden key for an accurate orientation. To do…

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(This article belongs to Section Multidisciplinary Engineering (EMU))
Open AccessArticle
9 Pages, 958 KB Download PDF

Permutation Methods for Chow Test Analysis an Alternative for Detecting Structural Break in Linear Models

Advances in Science, Technology and Engineering Systems Journal, Volume 4, Issue 4, Page # 12–20, 2019; DOI: 10.25046/aj040402
Abstract:

This study examined the performance of two proposed permutation methods for Chow test analysis and the Milek permutation method for testing structural break in linear models. The proposed permutation methods are: (1) permute object of dependent variable and (2) permute object of the predicted dependent variable. Simulation from gamma distribution and standard normal distribution were…

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(This article belongs to Section Statistics & Probability (STP))
Open AccessArticle
11 Pages, 603 KB Download PDF

Development of Tactile Display and an Efficient Approach to Enhance Perceptual Analysis in Rehabilitation

Advances in Science, Technology and Engineering Systems Journal, Volume 4, Issue 4, Page # 01–11, 2019; DOI: 10.25046/aj040401
Abstract:

Tactile displays are widely used in the rehabilitation and education of blind persons, as it is one of the media of communication amongst them. Tactile display performance is measured in terms of accuracy in presenting pattern, accuracy in identification, recognition and reading time of presented pattern. However, it has had meager attention from researchers. This…

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(This article belongs to Section Electronic Engineering (EEE))
Open AccessArticle
9 Pages, 1,482 KB Download PDF

Factors Influencing the Integration of Freight Distribution Networks in the Indonesian Archipelago: A Structural Equation Modeling Approach

Advances in Science, Technology and Engineering Systems Journal, Volume 4, Issue 3, Page # 278–286, 2019; DOI: 10.25046/aj040335
Abstract:

The main problem of the distribution of freight in archipelago countries such as Indonesia is how to ensure that the outlying and outermost islands are served optimally, with low freight costs and optimal frequency of vessel stops at ports. There are three types of vessels that are subsidized and have the duty of public service…

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(This article belongs to Section Transportation Science & Technology (TST))
Open AccessArticle
18 Pages, 2,130 KB Download PDF

A Support Vector Machine Cost Function in Simulated Annealing for Network Intrusion Detection

Advances in Science, Technology and Engineering Systems Journal, Volume 4, Issue 3, Page # 260–277, 2019; DOI: 10.25046/aj040334
Abstract:

This paper proposes a computationally intelligent algorithm for extracting relevant features from a training set. An optimal subset of features is extracted from training examples of network intrusion datasets. The Support Vector Machine (SVM) algorithm is used as the cost function within the thermal equilibrium loop of the Simulated Annealing (SA) algorithm. The proposed fusion…

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(This article belongs to Section Artificial Intelligence in Computer Science (CAI))
Open AccessArticle
9 Pages, 1,122 KB Download PDF

Proposal of Ledger Technology to Apply to a Public Organization in Ecuador

Advances in Science, Technology and Engineering Systems Journal, Volume 4, Issue 3, Page # 251–259, 2019; DOI: 10.25046/aj040333
Abstract:

Ledger technology has now changed financial systems around the world, applying this technology to the improvement of the public sector, mainly to the debt collection system, we improve the speed of payment and its immediate registration, we make use of the advantages of Ledger technology with respect to reliability, security and speed. The objective is…

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(This article belongs to Section Information Systems in Computer Science (CIS))
Open AccessArticle
7 Pages, 977 KB Download PDF

Sentiment Analysis on Twitter for Predicting Stock Exchange Movement

Advances in Science, Technology and Engineering Systems Journal, Volume 4, Issue 3, Page # 244–250, 2019; DOI: 10.25046/aj040332
Abstract:

This paper is proposed to build a model by applying two methods, namely support vector machine and nonnegative matrix factorization in the process of predicting stock market movement using twitter and historical data. The stock exchange is based on the LQ 45 stock with period from August 2018 – January 2019. The features consist of…

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(This article belongs to Section Cybernetics in Computer Science (CCY))
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
13 Pages, 1,696 KB Download PDF

Study of Performance of Bio- Inspired Strategies Applied to Pursuit Evasion Game Under Feedback Laws

Advances in Science, Technology and Engineering Systems Journal, Volume 4, Issue 3, Page # 207–219, 2019; DOI: 10.25046/aj040328
Abstract:

Pursuit Evasion Game (PEG) is an abstract model of various significant problems that appear in both civil and military applications. Bio- Inspired strategies are found to be very useful in studying the PEG. While optimal response to the pursuit strategies are available using geometric control theory, it is shown in this paper that application of…

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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
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))
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
12 Pages, 17,549 KB Download PDF

An Efficient Automotive Paint Defect Detection System

Advances in Science, Technology and Engineering Systems Journal, Volume 4, Issue 3, Page # 171–182, 2019; DOI: 10.25046/aj040323
Abstract:

Vision-based defect detection techniques are widely used for quality control purposes. In this work, an efficient deflectometry based detection system is developed for semi-specular/painted surface defect detection. This system consists of a robotic arm that carries a screen/camera setup and can detect defects on large surfaces with different topologies, such as a car bumper, by…

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(This article belongs to the SP7 (Special Issue on Advancement in Engineering and Computer Science 2019) & Section Robotics (ROB))
Open AccessArticle
6 Pages, 856 KB Download PDF

Modeling of Grid-Connected Photovoltaic System Installation in Moroccan Ibn Tofail University

Advances in Science, Technology and Engineering Systems Journal, Volume 4, Issue 3, Page # 150–155, 2019; DOI: 10.25046/aj040320
Abstract:

The main importance of solar photovoltaic energies research is to meet the many environmental demands of the energy challenge, to maximize power and to reduce the costs of photovoltaic (PV) systems to reply the energy needs of population. In the present research work, the first objective is to study the performance and the output energy…

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(This article belongs to the isaect-18 (Special Issue on Advanced Electrical and Communication Technologies 2019) & Section Electrical Engineering (ELE))
Open AccessArticle
7 Pages, 788 KB Download PDF

A Comprehensive Review on the Feasibility and Challenges of Millimeter Wave in Emerging 5G Mobile Communication

Advances in Science, Technology and Engineering Systems Journal, Volume 4, Issue 3, Page # 138–144, 2019; DOI: 10.25046/aj040318
Abstract:

This article presents a comprehensive review on the feasibility and challenges of millimeter wave in emerging fifth generation (5G) mobile communication. 5G, a multi-gigabit wireless network is the next generation wireless communication network. The mmWave cellular system which operates in the 30-300 GHz band has been proposed for use as the propagation channel. Its large…

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(This article belongs to Section Telecommunications (TEL))
Open AccessArticle
9 Pages, 708 KB Download PDF

Cognitive Systems for Monitoring: Architectural View

Advances in Science, Technology and Engineering Systems Journal, Volume 4, Issue 3, Page # 117–125, 2019; DOI: 10.25046/aj040316
Abstract:

The modern stage of information technology development is characterized by the acute need to use cognitive technologies for the solution of tasks of practice, in particular, in the sphere of real world objects monitoring and management. Practical usage of cognitive systems of monitoring is significantly limited to two factors now: operation at the level of…

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(This article belongs to Section Theory & Methods in Computer Science (CTM))
Open AccessArticle
11 Pages, 812 KB Download PDF

An Approach to Vulnerabilities, Threats and Risk in Voting Systems for Popular Elections in Latin America

Advances in Science, Technology and Engineering Systems Journal, Volume 4, Issue 3, Page # 106–116, 2019; DOI: 10.25046/aj040315
Abstract:

The problems in information security regarding vulnerabilities, threats and risks in voting systems for popular election in Latin America and the world persist; because in most of the countries of the world there is no maturity in democracy and defined policies; the problems of confidentiality, integrity and authenticity in the electoral processes can be evidenced.…

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(This article belongs to Section Information Systems in Computer Science (CIS))
Open AccessArticle
6 Pages, 716 KB Download PDF

Multimedia Application Development With Islamic Critical Reflection Through 3-2-1 Technique for Novice Teacher Internship Program

Advances in Science, Technology and Engineering Systems Journal, Volume 4, Issue 3, Page # 100–105, 2019; DOI: 10.25046/aj040314
Abstract:

The use of technology in the learning process has become the most significant point in helping teachers reaching the objectives of the learning. This study focuses on the use of multimedia by novice teachers in comprehending the internship program’s guidance. The Islamic Critical Reflection model is a new and innovative model in the field of…

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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
12 Pages, 863 KB Download PDF

Analysis of Fuzzy Data for the Selection of Ingredients of the Polymer Composition by Technical Functions in Quality Management

Advances in Science, Technology and Engineering Systems Journal, Volume 4, Issue 3, Page # 88–99, 2019; DOI: 10.25046/aj040313
Abstract:

The task of fuzzy mathematical modeling of the composition of a polymer composition is singled out and formulated, as one of the types of chemical-technological systems for creating the theoretical foundations for managing the physicochemical properties of the material produced from this composition. Fuzzy data on the technical functions and concentration of individual ingredients that…

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(This article belongs to the SP7 (Special Issue on Advancement in Engineering and Computer Science 2019) & Section Polymer Science (PLS))
Open AccessArticle
6 Pages, 1,178 KB Download PDF

Novel Design of Multiband Microstrip Patch Antenna for Wireless Communication

Advances in Science, Technology and Engineering Systems Journal, Volume 4, Issue 3, Page # 63–68, 2019; DOI: 10.25046/aj040310
Abstract:

This paper presents a novel six band frequency reconfigurable antenna for 2.4 GHz (Lower Worldwide Interoperability for Microwave Access (WiMAX)), 5.3 GHz (Wireless Local Area Network (WLAN)) and 9.1-10.2 GHz (X-band) frequency bands. The proposed antenna has a compact size of 22mm_30mm at lower resonance of 4.2 GHz and is printed on FR4 material with…

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(This article belongs to the isaect-18 (Special Issue on Advanced Electrical and Communication Technologies 2019) & Section Telecommunications (TEL))
Open AccessArticle
5 Pages, 652 KB Download PDF

An Expanded Derivation of Suppressing Anisotropic Birefringence in a Rectangular Waveguide

Advances in Science, Technology and Engineering Systems Journal, Volume 4, Issue 3, Page # 58–62, 2019; DOI: 10.25046/aj040309
Abstract:

Birefringence is a known property of anisotropic media where incidence of a single propagating wave on a biaxial boundary gives rise to what scientists refer to as an ordinary wave and extraordinary wave. This article explores the anisotropic electromagnetic theory that gives rise to the phenomenon of birefringence focusing on both ordinary and extraordinary plane…

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(This article belongs to the SP7 (Special Issue on Advancement in Engineering and Computer Science 2019) & Section Multidisciplinary Physics (PMU))
Open AccessArticle
6 Pages, 1,029 KB Download PDF

Walker Ergonomic Design for Visually Impaired Elderly

Advances in Science, Technology and Engineering Systems Journal, Volume 4, Issue 3, Page # 47–52, 2019; DOI: 10.25046/aj040307
Abstract:

The study proposed a self-driven guidance walker through user-oriented integration design. The common two-wheel drive performs left and right turn. By reducing the weight of the walker body, the durability of the battery can be increased. Secondly, we use a foldable structure so that the walker can be conveniently stored in a small space. A…

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