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Open AccessArticle
7 Pages, 832 KB Download PDF

A New Wire Optimization Approach for Power Reduction in Advanced Technology Nodes

Advances in Science, Technology and Engineering Systems Journal, Volume 4, Issue 6, Page # 140–146, 2019; DOI: 10.25046/aj040617
Abstract:

In advanced technologies nodes, starting from 28 nm to 7 nm and below, the power consumed of integrated circuits (ICs) becomes a big concern. Consequently, actual electronic design automation (EDA) tools are facing many challenges to have low power, reduced area and keep having required performance. To reach required success criteria, and because each picosecond…

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(This article belongs to the SP8 (Special Issue on Multidisciplinary Sciences and Engineering 2019-20) & Section Electronic Engineering (EEE))
Open AccessArticle
8 Pages, 1,837 KB Download PDF

Creating a Digital Twin: Simulation of a Business Model Design Tool

Advances in Science, Technology and Engineering Systems Journal, Volume 4, Issue 6, Page # 53–60, 2019; DOI: 10.25046/aj040607
Abstract:

Digitization forces industry players to adapt to transforming market situations and buyer behavior. Technological advances, buyer power, and sharpened competitive intensity imply that businesses are confronted with the menace of commoditization. For companies to perform successfully in the market, outdated business models ought to be rethought and new business models should be created. Unique selling…

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(This article belongs to the SP7 (Special Issue on Advancement in Engineering and Computer Science 2019) & Section Multidisciplinary Sciences (MUS))
Open AccessArticle
7 Pages, 497 KB Download PDF

Optimization of Power Balance Transaction Based on Renewable Energy Sources Using Artificial Salmon Tracking Algorithm for Modeling the Interconnected Grid Development

Advances in Science, Technology and Engineering Systems Journal, Volume 4, Issue 6, Page # 38–44, 2019; DOI: 10.25046/aj040605
Abstract:

Since environmental requirements penetrate engineering processes to keep global warming and to reduce pollutant emissions, the system operation should be designed based on environmentally approach friendly. Operationally, the system processes are supported by energy suppliers to meet continuously energy transaction while clean and green energies are also targeted to keep the environmental conditions. In other…

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(This article belongs to Section Electrical Engineering (ELE))
Open AccessArticle
10 Pages, 1,108 KB Download PDF

A Big Data Security Layer Meta-Model Proposition

Advances in Science, Technology and Engineering Systems Journal, Volume 4, Issue 5, Page # 409–418, 2019; DOI: 10.25046/aj040553
Abstract:

In Big Data, several solution providers offer distributions to handle this large amount of data. Given the variety of these solutions, we are working to provide universal meta-modeling for all layers of a Big Data system in order to address the issue of interoperability and portability between these solutions. As part of our continuous efforts…

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(This article belongs to the SP8 (Special Issue on Multidisciplinary Sciences and Engineering 2019-20) & Section Information Systems in Computer Science (CIS))
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
7 Pages, 312 KB Download PDF

Stability Analysis of a Linear Model Predictive Control and its Application in a Water Recovery Process

Advances in Science, Technology and Engineering Systems Journal, Volume 4, Issue 5, Page # 314–320, 2019; DOI: 10.25046/aj040540
Abstract:

This paper examines application of linear general model predictive control (LGMPC). The stability of the LGMPC is proven by means of a demonstration of a theorem stating a sufficient and constructive condition. Lower bounds conditions are found for one of these matrices and then a system with saturation is taken into consideration. The conditions can…

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(This article belongs to Section Automation & Control Systems (ACS))
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
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, 1,316 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
18 Pages, 1,256 KB Download PDF

Material, Structural Optimization and Analysis of Visible-Range Back-Illuminated OPFET photodetector

Advances in Science, Technology and Engineering Systems Journal, Volume 4, Issue 4, Page # 485–502, 2019; DOI: 10.25046/aj040459
Abstract:

High gain-bandwidth product and visible/UV contrast photodetectors are vital in Visible Light Communication (VLC) and Ultraviolet (UV) reflectance imaging applications respectively. We adopt material and structural optimization to perceive such photodetectors with back-illuminated Optical Field Effect Transistor (OPFET) wherein any potential difference in absorption coefficient of the semiconductor material between the visible and the UV…

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(This article belongs to the SP7 (Special Issue on Advancement in Engineering and Computer Science 2019) & Section Multidisciplinary Materials Science (MMU))
Open AccessArticle
5 Pages, 790 KB Download PDF

Research on Dynamic Vehicle Model Equipped Active Stabilizer Bar

Advances in Science, Technology and Engineering Systems Journal, Volume 4, Issue 4, Page # 271–275, 2019; DOI: 10.25046/aj040434
Abstract:

Vehicles are rollover when steering at high speed, this phenomenon is limited by increasing the anti-roll moment of the suspension system. This research focuses on analyzing and establishing the dynamic model of vehicle when steering and describes the dependence of the vehicle body’s roll angle on other factors. Research has shown that when equipped a…

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(This article belongs to Section Mechanical Engineering (EMH))
Open AccessArticle
5 Pages, 595 KB Download PDF

Exchange Rate Modeling: Medium-Term Equilibrium Dynamics

Advances in Science, Technology and Engineering Systems Journal, Volume 4, Issue 4, Page # 251–255, 2019; DOI: 10.25046/aj040431
Abstract:

In this study, we develop the author’s approach, based on the principles of modeling of the International Flows Equilibrium Exchange Rate (IFEER). As a result, a new model is built, depending on the main macroeconomic factors in the medium term. The model presents a wide system of basic factors, but many of the intermediate factors…

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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
9 Pages, 3,342 KB Download PDF

A Perceptually Optimized Embedded Image Coder and Quality Assessor Based Both on Visual Tools

Advances in Science, Technology and Engineering Systems Journal, Volume 4, Issue 4, Page # 230–238, 2019; DOI: 10.25046/aj040428
Abstract:

In this paper, we propose a new Perceptually Optimized Embedded Zero Tree Image Coder EVIC and its improved version MEVIC. The coder presents a new perceptual model to weight wavelet coefficients to enhance SPIHT embedded coding. The new visual coder aims to improve the visual quality obtained by the reference SPIHT coder for a given…

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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
6 Pages, 430 KB Download PDF

Predictive Modelling of Student Dropout Using Ensemble Classifier Method in Higher Education

Advances in Science, Technology and Engineering Systems Journal, Volume 4, Issue 4, Page # 206–211, 2019; DOI: 10.25046/aj040425
Abstract:

Currently, one of the challenges of educational institutions is drop-out student issues. Several factors have been found and determined potentially capable to stimulate dropouts. Many researchers have been applied data mining methods to analyze, predict dropout students and also optimize finding dropout variables in advance. The main objective of this study is to find the…

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(This article belongs to Section Software Engineering in Computer Science (CSE))
Open AccessArticle
14 Pages, 1,962 KB Download PDF

Model-Driven Engineering Infrastructure and Tool Support for Petrochemical Industry Automation

Advances in Science, Technology and Engineering Systems Journal, Volume 4, Issue 4, Page # 174–187, 2019; DOI: 10.25046/aj040422
Abstract:

The definition of equipment and components of physical plants is a necessary step towards the development of simulation, control, and supervisory applications for the petrochemical industry. Often it happens that the same plant/equipment is (re)modeled on each application, causing a waste-oftime on repetitive (re)design, besides introducing potential inconsistencies between the models. Moreover, even though each…

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(This article belongs to the SP7 (Special Issue on Advancement in Engineering and Computer Science 2019) & Section Software Engineering in Computer Science (CSE))
Open AccessArticle
5 Pages, 586 KB Download PDF

Multi-Restricted Area Avoidance Scenario Using Hybrid Dynamical Model and Its Predictive Controller

Advances in Science, Technology and Engineering Systems Journal, Volume 4, Issue 4, Page # 147–151, 2019; DOI: 10.25046/aj040418
Abstract:

This article is addressed to show the results of hybrid dynamical modeling in the form of PWA (piecewise-affine) and equivalent MLD (mixed-logical dynamical) model for multi-restricted areas avoidance of an autonomous system. It is a problem of determining the optimal moving trajectory from plant’s initial position to some desired position while avoiding some restricted areas…

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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, 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
9 Pages, 795 KB Download PDF

Exploring of The Employee Information Management System using HOT-Fit and UTAUT2 Model

Advances in Science, Technology and Engineering Systems Journal, Volume 4, Issue 4, Page # 106–114, 2019; DOI: 10.25046/aj040412
Abstract:

Information Systems are a combination of information technology and activities of people who use these technologies to support operations, management, data, and technology. Based on Indonesian Minister of Home Affairs Decree No. 17 of 2000, the Regional Office of the Ministry of Law and Human Rights of West Sulawesi implements the Employee Management Information System…

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(This article belongs to Section Information Systems in Computer Science (CIS))
Open AccessArticle
12 Pages, 1,450 KB Download PDF

An Extension of Throughput Drop Estimation Model for Three-Link Concurrent Communications under Partially Overlapping Channels and Channel Bonding in IEEE 802.11n WLAN

Advances in Science, Technology and Engineering Systems Journal, Volume 4, Issue 4, Page # 94–105, 2019; DOI: 10.25046/aj040411
Abstract:

The IEEE 802.11n wireless local-area network (WLAN) has been extensively deployed around the world due to the flexibility, lower cost, and the high-speed data transmission capability at 2.4 GHz ISM band. However, in the WLAN deployment, one key challenge is to optimize the channel assignment of access-points (APs) under the small number of partially overlapping…

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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
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
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
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, 656 KB Download PDF

An Adaptive Fuzzy-Sliding Mode Controller for The Bridge Crane

Advances in Science, Technology and Engineering Systems Journal, Volume 4, Issue 3, Page # 164–170, 2019; DOI: 10.25046/aj040322
Abstract:

This article presents a bridge crane nonlinear dynamic model in 2-dimensional space, and then given a novel adaptive fuzzy-sliding mode controller based on combining sliding mode control with fuzzy logic and Lyapunov function. Firstly, the article proposes an intermediate variable to link signal between two slide surfaces, related to trolley movement and payload swing. Then…

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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
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
6 Pages, 774 KB Download PDF

Location Prediction based on Variable-order Markov Model with Time Feature and User’s Spatio-temporal Rule

Advances in Science, Technology and Engineering Systems Journal, Volume 4, Issue 2, Page # 351–356, 2019; DOI: 10.25046/aj040244
Abstract:

Location-based service has been widely used in modern life. It brings a lot of convenience to our lives. Improving the accuracy of location prediction can provide better location- based service. We propose a location prediction method based on the variable-order Markov model with time feature and user’s spatio-temporal rule. First, the user’s trajectory data needs…

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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))
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