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Open AccessArticle
5 Pages, 812 KB Download PDF

Metaheuristics for Solving Facility Location Optimization Problem in Lagos, Nigeria

Advances in Science, Technology and Engineering Systems Journal, Volume 3, Issue 6, Page # 319–323, 2018; DOI: 10.25046/aj030639
Abstract:

Facility location problem is a problem that many organizations still face today because of its increasing constraints and objectives. Decision makers want this problem solved in order to maximize profit and as such, it became a field of interest to many computer scientists over the years. The solution tool used by these scientists; a function…

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(This article belongs to the SP5 (Special Issue on Multidisciplinary Sciences and Engineering 2018) & Section Operations Research & Management Science (ORM))
Open AccessArticle
8 Pages, 2,329 KB Download PDF

A Resolution-Reconfigurable and Power Scalable SAR ADC with Partially Thermometer Coded DAC

Advances in Science, Technology and Engineering Systems Journal, Volume 3, Issue 6, Page # 89–96, 2018; DOI: 10.25046/aj030609
Abstract:

Power consumption is becoming more and more important in the Internet of Things (IOT). The ADC is the main power hungry in multi-sensor electronic systems and effectively reducing ADC power consumption without affecting ADC characteristics is an important. This paper is extended from the conference paper. The segmented SAR ADC presents reconfigurable 9 to 12-bit…

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(This article belongs to Section Electronic Engineering (EEE))
Open AccessArticle
10 Pages, 992 KB Download PDF

Holistic Access Control and Privacy Infrastructure in Distributed Environment

Advances in Science, Technology and Engineering Systems Journal, Volume 3, Issue 6, Page # 46–55, 2018; DOI: 10.25046/aj030604
Abstract:

This article discusses IoT security in situations whereby devices do not share the same security domains, which raises security, privacy and safety concerns. It then presents an Access Control and Privacy infrastructure for addressing these concerns in the context of distributed environments. IoT deployments allow billions of connected physical devices to collect, process and share…

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(This article belongs to the SP5 (Special Issue on Multidisciplinary Sciences and Engineering 2018) & Section Interdisciplinary Applications of Computer Science (CSI))
Open AccessArticle
10 Pages, 2,535 KB Download PDF

Low-Dimensional Spaces for Relating Sensor Signals with Internal Data Structure in a Propulsion System

Advances in Science, Technology and Engineering Systems Journal, Volume 3, Issue 6, Page # 23–32, 2018; DOI: 10.25046/aj030602
Abstract:

Advances in technology have enabled the installation of an increasing number of sensors in various mechanical systems allowing for more detailed equipment health monitoring capabilities. It is hoped the sensor data will enable development of predictive tools to prevent system failures. This work describes continued analysis of sensor data surrounding a seizure of a turbocharger…

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(This article belongs to the SP5 (Special Issue on Multidisciplinary Sciences and Engineering 2018) & Section Artificial Intelligence in Computer Science (CAI))
Open AccessArticle
10 Pages, 1,441 KB Download PDF

Numerical Simulation of One Pavement Structure of Polyethylene Terephthalate Submitted to Static Point Loads

Advances in Science, Technology and Engineering Systems Journal, Volume 3, Issue 5, Page # 478–487, 2018; DOI: 10.25046/aj030554
Abstract:

Plastic is highly polluting nowadays and is found in many disposable elements used for people. Plastic materials are disposed inadequately and large quantities of them become pollution in the ground, water, and air, affecting plants and animals. Most of the plastic is Polyethylene Terephthalate (PET) which is used in many activities. Resistance, support capacity, and…

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(This article belongs to the SP5 (Special Issue on Multidisciplinary Sciences and Engineering 2018) & Section Polymer Science (PLS))
Open AccessArticle
13 Pages, 1,997 KB Download PDF

Towards an Efficient Federated Cloud Service Selection to Support Workflow Big Data Requirements

Advances in Science, Technology and Engineering Systems Journal, Volume 3, Issue 5, Page # 235–247, 2018; DOI: 10.25046/aj030529
Abstract:

Cloud Computing is considered nowadays an attractive solution to serve the Big Data storage, processing, and analytics needs. Given the high complexity of Big Data workflows and their contingent requirements, a single cloud provider might not be able alone to satisfy these needs. A multitude of cloud providers that offer myriad of cloud services and…

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(This article belongs to the SP5 (Special Issue on Multidisciplinary Sciences and Engineering 2018) & Section Software Engineering in Computer Science (CSE))
Open AccessArticle
9 Pages, 1,849 KB Download PDF

Contactless Power and Bidirectional Data Transmission via Magnetic Field

Advances in Science, Technology and Engineering Systems Journal, Volume 3, Issue 5, Page # 226–234, 2018; DOI: 10.25046/aj030528
Abstract:

At present, the wireless charging and data transmission systems developed by major car manufacturers rely heavily on additional transmission equipment. This paper presents a newly developed wireless power and bidirectional data transmission scheme without adding any radio frequency (RF) devices. The battery charge status and vehicle related information can be transmitted bidirectionally in the wireless…

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(This article belongs to the SP5 (Special Issue on Multidisciplinary Sciences and Engineering 2018) & Section Electrical Engineering (ELE))
Open AccessArticle
6 Pages, 1,192 KB Download PDF

Development and Testing of Intelligent Wheelchair Controller for Quadriplegic Patients

Advances in Science, Technology and Engineering Systems Journal, Volume 3, Issue 5, Page # 220–225, 2018; DOI: 10.25046/aj030527
Abstract:

In this research paper, the development and evaluating of a smart controller for electrical powered wheelchairs are presented. The controller aimed to assist quadriplegic, paralyzed, and handicap patients who cannot use their hands to drive an electrical wheelchair by using a joystick controller. Two sub control units have been combined in one hybrid system to…

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(This article belongs to the SP5 (Special Issue on Multidisciplinary Sciences and Engineering 2018) & Section Automation & Control Systems (ACS))
Open AccessArticle
7 Pages, 1,799 KB Download PDF

Spatial Modeling of Flood Risk in Karawang

Advances in Science, Technology and Engineering Systems Journal, Volume 3, Issue 5, Page # 200–206, 2018; DOI: 10.25046/aj030524
Abstract:

Conceptually, flood modeling can be done based on process and data availability (data driven model). The implementation of flood mitigation requires accurate data, which can be obtained from high resolution satellite imagery, vertical air photos and high-resolution Digital Elevation Model (DEM). Modeling using high accuracy DEM data can detect landforms in more detail. The objective…

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(This article belongs to Section Remote Sensing (RMS))
Open AccessArticle
12 Pages, 2,468 KB Download PDF

SDN-based Network Control Method for Distributed Storage Systems

Advances in Science, Technology and Engineering Systems Journal, Volume 3, Issue 5, Page # 140–151, 2018; DOI: 10.25046/aj030518
Abstract:

With the increasing need for effective storage management due to ever-growing content-generation over the Internet, Distributed Storage Systems (DSS) has arisen as a valuable tool. Although DSS has considerably improved in the past years, it still leverages legacy techniques in its networking. To cope with the demanding requirements, Software Defined Networking (SDN) has revolutionized the…

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(This article belongs to the SP5 (Special Issue on Multidisciplinary Sciences and Engineering 2018) & Section Information Systems in Computer Science (CIS))
Open AccessArticle
8 Pages, 7,953 KB Download PDF

Acquiring Wi-Fi Energy to Charge a Mobile Phone

Advances in Science, Technology and Engineering Systems Journal, Volume 3, Issue 5, Page # 28–35, 2018; DOI: 10.25046/aj030505
Abstract:

As a result, outdoor travelers, tourists and businessman who utilize portable electronic devices often experience battery depletion of their devices without the means of charging their device. The number of Wi- Fi access point continues to increase. There are many occasions where it is desirable to acquire energy from many radio frequency stations, while charging…

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(This article belongs to Section Electrical Engineering (ELE))
Open AccessArticle
10 Pages, 902 KB Download PDF

Harmonic Sensitivity Analysis of Power System with Wind Power

Advances in Science, Technology and Engineering Systems Journal, Volume 3, Issue 5, Page # 6–15, 2018; DOI: 10.25046/aj030502
Abstract:

As the contribution from renewable energy sources increase, the power quality degradation has become a challenge for the power system operator. There are major two factors causing power quality deterioration. First is the current harmonic generation by the power electronic converters used in renewable energy sources, and second is the magnification of harmonic voltage due…

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(This article belongs to the SP5 (Special Issue on Multidisciplinary Sciences and Engineering 2018) & Section Electrical Engineering (ELE))
Open AccessArticle
6 Pages, 1,005 KB Download PDF

IR Sensing Embedded System Development for Prototype Mobile Platform and Multisensory Data Fusion for Autonomous Convoy

Advances in Science, Technology and Engineering Systems Journal, Volume 3, Issue 4, Page # 372–377, 2018; DOI: 10.25046/aj030438
Abstract:

Advanced sensing technologies are providing for greater capabilities to discern and classify details of objects as they appear in actual environments as experienced by nonprofessional drivers. Distinctive geometric configurations of new sensory devices including but not limited to infrared (abbreviated as IR) and LIDAR sensory units are appearing as cost effective data acquisition systems for…

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(This article belongs to the SP5 (Special Issue on Multidisciplinary Sciences and Engineering 2018) & Section Automation & Control Systems (ACS))
Open AccessArticle
13 Pages, 2,047 KB Download PDF

Extendable Board Game to Facilitate Learning in Supply Chain Management

Advances in Science, Technology and Engineering Systems Journal, Volume 3, Issue 4, Page # 99–111, 2018; DOI: 10.25046/aj030411
Abstract:

Game-based learning has been introduced as an interactive tool to facilitate learning and training processes in various fields, including supply chain management (SCM). Most of these games are specifically designed to focus on certain scenarios and concepts. For example, the original beer distribution game focuses on a single product supply chain without considering capacity and…

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(This article belongs to the SP5 (Special Issue on Multidisciplinary Sciences and Engineering 2018) & Section Transportation Science & Technology (TST))
Open AccessArticle
5 Pages, 1,030 KB Download PDF

Scientific Principles behind 2017 World Universiade of Safety Lantern and Torch

Advances in Science, Technology and Engineering Systems Journal, Volume 3, Issue 4, Page # 21–25, 2018; DOI: 10.25046/aj030403
Abstract:

The torch relay for the 2017 Taipei Summer Universiade started June. The innovative torch design was altered and tested, follow-up production successfully. For preventing weather effect, the head of the torch embedded with a unique airflow structure that allowed the sacred flame to pass the wind and rain tests. The safety lantern displays a 3D…

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(This article belongs to the SP5 (Special Issue on Multidisciplinary Sciences and Engineering 2018) & Section Energy & Fuels (ENF))
Open AccessArticle
13 Pages, 827 KB Download PDF

Revealing Strengths, Weaknesses and Prospects of Intelligent Collaborative e-Learning Systems

Advances in Science, Technology and Engineering Systems Journal, Volume 3, Issue 3, Page # 67–79, 2018; DOI: 10.25046/aj030310
Abstract:

The rapid evolution of Collaborative e-Learning Systems migrates to the use of new technologies such the artificial intelligence (AI). In this context, the role of AI in increasing the quality of learning and making it more productive, persistent and efficient. In addition, it can accomplish repetitive and complex tasks in record time and unmatched accuracy.…

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(This article belongs to the SP5 (Special Issue on Multidisciplinary Sciences and Engineering 2018) & Section Artificial Intelligence in Computer Science (CAI))
Open AccessArticle
6 Pages, 1,933 KB Download PDF

Effects of Dielectric Properties of the Material located inside Multimode Applicator on Microwave Efficiency

Advances in Science, Technology and Engineering Systems Journal, Volume 3, Issue 3, Page # 61–66, 2018; DOI: 10.25046/aj030309
Abstract:

During microwave heating of materials, the efficiency of microwave heating depends on the materials’ dielectric property, shapes and sizes of the material, materials’ position inside the applicator, operating frequency, level of input power, specific heat capacity, number and position of waveguide over the applicator, size and geometry of applicator etc. This paper examines the effects…

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(This article belongs to the SP5 (Special Issue on Multidisciplinary Sciences and Engineering 2018) & Section Food Science & Technology (FST))
Open AccessArticle
8 Pages, 930 KB Download PDF

Performance improvement of a wind energy system using fuzzy logic based pitch angle control

Advances in Science, Technology and Engineering Systems Journal, Volume 3, Issue 3, Page # 30–37, 2018; DOI: 10.25046/aj030304
Abstract:

The pitch angle controller maintains the aerodynamic captured power at rated level when the wind speed is above the rated speed. Besides, it can also improve the transient stability occurring in the wind energy system (WES). This paper, therefore, proposes an effective pitch angle control strategy that can deliver the conditioned output power in windy…

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(This article belongs to the SP5 (Special Issue on Multidisciplinary Sciences and Engineering 2018) & Section Electrical Engineering (ELE))
Open AccessArticle
10 Pages, 1,048 KB Download PDF

Ontology Modeling of Social Roles of Users in Mobile Computing Environments

Advances in Science, Technology and Engineering Systems Journal, Volume 3, Issue 2, Page # 319–328, 2018; DOI: 10.25046/aj030235
Abstract:

Today, computing devices of various types with wireless interconnections are used for diverse tasks and increasingly in ad hoc manners. It is not always obvious which devices are present, reachable, and connected when users and their devices are mobile. In such mobile computing environment, the number of registered lines on the network via network operators…

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(This article belongs to Section Artificial Intelligence in Computer Science (CAI))
Open AccessArticle
11 Pages, 950 KB Download PDF

A decision-making-approach for the purchasing organizational structure in Moroccan health care system

Advances in Science, Technology and Engineering Systems Journal, Volume 3, Issue 2, Page # 195–205, 2018; DOI: 10.25046/aj030223
Abstract:

Excellence in hospitals supply management results in better quality, best prices, and good deliveries. One of the questions that come up as healthcare organization to capture the economies of scale in purchasing prices and process costs is whether their purchasing activities should be centralized or decentralized. In most cases, centralization strategy usually gives good supplier’s…

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(This article belongs to the SP4 (Special issue on Advancement in Engineering Technology 2017-18) & Section Operations Research & Management Science (ORM))
Open AccessArticle
10 Pages, 924 KB Download PDF

Mission-Critical Systems Design Framework

Advances in Science, Technology and Engineering Systems Journal, Volume 3, Issue 2, Page # 128–137, 2018; DOI: 10.25046/aj030215
Abstract:

Safety-critical systems are well documented and standardized (e.g. IEC 61508, RTCA DO-178B) within system design cycles. However in Defence and Security, systems that are critical to the success of a Mission are not defined within the literature nor are there any guidelines in defining criticality in their design or operational capabilities. When it comes to…

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(This article belongs to the SP4 (Special issue on Advancement in Engineering Technology 2017-18) & Section Information Systems in Computer Science (CIS))
Open AccessArticle
13 Pages, 1,719 KB Download PDF

Cancer Mediating Genes Recognition using Multilayer Perceptron Model- An Application on Human Leukemia

Advances in Science, Technology and Engineering Systems Journal, Volume 3, Issue 2, Page # 8–20, 2018; DOI: 10.25046/aj030202
Abstract:

In the present article, we develop multilayer perceptron model for identification of some possible genes mediating different leukemia. The procedure involves grouping of gene based correlation coefficient and finally select of some possible genes. The procedure has been successfully applied three human leukemia gene expression data sets. The superiority of the procedure has been demonstrated…

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(This article belongs to the SP4 (Special issue on Advancement in Engineering Technology 2017-18) & Section Artificial Intelligence in Computer Science (CAI))
Open AccessArticle
5 Pages, 812 KB Download PDF

Tracking and Detecting moving weak Targets

Advances in Science, Technology and Engineering Systems Journal, Volume 3, Issue 1, Page # 467–471, 2018; DOI: 10.25046/aj030157
Abstract:

Detect and tracking of moving weak targets is a complicated dynamic state estimation problem whose difficulty is increased in case of high clutter conditions or low signal to noise ratio (SNR). In this case, the track-before-detect filter (TBDF) that uses unthresholded measurements considers as an effective method for detecting and tracking a single target under…

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(This article belongs to the SP4 (Special issue on Advancement in Engineering Technology 2017-18) & Section Telecommunications (TEL))
Open AccessArticle
7 Pages, 1,106 KB Download PDF

Performance Analysis of Regenerative Braking in Permanent Magnet Synchronous Motor Drives

Advances in Science, Technology and Engineering Systems Journal, Volume 3, Issue 1, Page # 460–466, 2018; DOI: 10.25046/aj030156
Abstract:

This paper describes the design and analysis of a regenerative braking system for a permanent magnet synchronous motor (PMSM) drive for electric vehicle (EV) applications. First studied is the principle for electric braking control of a PMSM motor under field-oriented control (FOC). Next, the maximum braking torque in the regeneration mode as well as the…

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(This article belongs to the SP4 (Special issue on Advancement in Engineering Technology 2017-18) & Section Electrical Engineering (ELE))
Open AccessArticle
5 Pages, 629 KB Download PDF

Approximate method of analysis of log-periodic antennas with in-phase currents

Advances in Science, Technology and Engineering Systems Journal, Volume 3, Issue 1, Page # 239–243, 2018; DOI: 10.25046/aj030129
Abstract:

Log-periodic antennas have high electrical characteristics over a wide frequency range. The large length of the antennas is their significant disadvantage caused by the fact that each active region consisting of several radiators operates in a narrow frequency range. To extend this range, it is proposed to use radiators with concentrated capacitive loads, providing in-phase…

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(This article belongs to the SP4 (Special issue on Advancement in Engineering Technology 2017-18) & Section Telecommunications (TEL))

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