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Open AccessArticle
23 Pages, 28,936 KB Download PDF

Extending the Life of Legacy Robots: MDS-Ach via x-Ach

Advances in Science, Technology and Engineering Systems Journal, Volume 4, Issue 1, Page # 50–72, 2019; DOI: 10.25046/aj040107
Abstract:

Our work demonstrates how to use contemporary software tools on older or “legacy” robots while keeping compatibility with the original control, tools, and calibration procedures. This is done by implementing a lightweight middle-ware called MDS-Ach connected directly to the hardware communications layer of the robot’s control system. The MDS-Ach middle-ware, which relies on the x-Ach…

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(This article belongs to the SP5 (Special Issue on Multidisciplinary Sciences and Engineering 2018) & Section Robotics (ROB))
Open AccessArticle
5 Pages, 1,017 KB Download PDF

Morphological and Optoelectrical Characterization of Silicon Nanostructures for Photovoltaic Applications

Advances in Science, Technology and Engineering Systems Journal, Volume 4, Issue 1, Page # 45–49, 2019; DOI: 10.25046/aj040106
Abstract:

Metal (silver)-Assisted Chemical Etching (MACE) method is used to fabricate silicon nanostructures like silicon nanowires (SiNWs) and silicon nanocones (SiNCs). The morphological characterization of fabricated SiNWs has shown that 5 minutes is the optimal time of silver deposition on silicon substrate. Silicon nanocones (SiNCs) were also fabricated by etching vertical SiNWs with a AgNO3=HF=H2O2 solution.…

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(This article belongs to the SP6 (Special Issue on Recent Advances in Engineering Systems 2018-19) & Section Multidisciplinary Materials Science (MMU))
Open AccessArticle
5 Pages, 738 KB Download PDF

A Proposed Architecture for Parallel HPC-based Resource Management System for Big Data Applications

Advances in Science, Technology and Engineering Systems Journal, Volume 4, Issue 1, Page # 40–44, 2019; DOI: 10.25046/aj040105
Abstract:

Big data can be considered to be at the forefront of the present and future research activities. The volume of data needing to be processed is growing dramatically in both velocity and variety. In response, many big data technologies have emerged to tackle the challenges of collecting, processing and storing such large-scale datasets. High-performance computing…

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(This article belongs to the SP6 (Special Issue on Recent Advances in Engineering Systems 2018-19) & Section Software Engineering in Computer Science (CSE))
Open AccessArticle
10 Pages, 3,648 KB Download PDF

A Wearable Exoskeleton Rehabilitation Device for Paralysis – A Comprehensive Study

Advances in Science, Technology and Engineering Systems Journal, Volume 4, Issue 1, Page # 17–26, 2019; DOI: 10.25046/aj040103
Abstract:

As the technology grows scientists and engineers are trying to combine their work to compensate some body parts that is lost. Prosthetic devices grabbed the attention of most of the doctors and engineers working on solution for lost body parts. Generally prosthetic devices are either external wearable devices or internal ones. Such devices may depend…

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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
9 Pages, 5,313 KB Download PDF

Spectral Grid Impedance Identification on the Low-, Medium- and High-Voltage Level – System Design, Realization and Measurement Results of Grid Impedance Measurement Devices

Advances in Science, Technology and Engineering Systems Journal, Volume 4, Issue 1, Page # 8–16, 2019; DOI: 10.25046/aj040102
Abstract:

The frequency dependent grid impedance at the terminals of an electrical supply grid is an essential parameter for power quality and grid feedback analysis. In this contribution the identification of the grid impedance is achieved using spectral excitation currents at the corresponding grid connection point, which generate measureable changes in the grid voltage spectra. Different…

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(This article belongs to the SP5 (Special Issue on Multidisciplinary Sciences and Engineering 2018) & Section Electrical Engineering (ELE))
Open AccessArticle
8 Pages, 1,183 KB Download PDF

PID-Type FLC Controller Design and Tuning for Sensorless Speed Control of DC Motor

Advances in Science, Technology and Engineering Systems Journal, Volume 3, Issue 6, Page # 515–522, 2018; DOI: 10.25046/aj030660
Abstract:

This article examines the use of non-ideal current and voltage sensors for sensorless speed control for a fixed field DC motor. A PID type speed controller with KF estimator was applied to control the DC motor and IAE, settling time, and peak overshoot were taken as performance indices. However, KF facilitated the noise reduction. After…

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(This article belongs to the SP6 (Special Issue on Recent Advances in Engineering Systems 2018-19) & Section Electrical Engineering (ELE))
Open AccessArticle
14 Pages, 4,604 KB Download PDF

Building an Online Interactive 3D Virtual World for AquaFlux and Epsilon

Advances in Science, Technology and Engineering Systems Journal, Volume 3, Issue 6, Page # 501–514, 2018; DOI: 10.25046/aj030659
Abstract:

In today’s technology, 3D presentation is vital in conveying a realist and comprehensive understanding of a specific notion or demonstrating certain functionality for a specific device or tool, especially on the World Wide Web. Therefore, the importance of this field and how its continuous enhancement has become one of the dominant topics in web development…

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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, 1,429 KB Download PDF

Perfect Molding Challenges and The Limitations “A Case Study”

Advances in Science, Technology and Engineering Systems Journal, Volume 3, Issue 6, Page # 489–495, 2018; DOI: 10.25046/aj030657
Abstract:

Driven by today’s market demand, semiconductor is pushing towards the zero-defect direction. The improvement demanded in semiconductor manufacturing is becoming increasingly challenging. In this paper, common molding defects comprise of voids, incomplete fills, and piping holes are studied systematically, focusing on three key areas: 1) Potential mold flow weakness; 2) Molding temperature stability; as well…

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(This article belongs to the SP5 (Special Issue on Multidisciplinary Sciences and Engineering 2018) & Section Manufacturing Engineering (EMF))
Open AccessArticle
10 Pages, 989 KB Download PDF

Multi-Objective Path Optimization of a Satellite for Multiple Active Space Debris Removal Based on a Method for the Travelling Serviceman Problem

Advances in Science, Technology and Engineering Systems Journal, Volume 3, Issue 6, Page # 479–488, 2018; DOI: 10.25046/aj030656
Abstract:

Space debris removal is currently a critical issue for space development. It has been reported that five pieces of debris should be removed each year to avoid further increase in the amount of debris in orbit. One approach for the removal of multiple pieces of debris is to launch multiple satellites that can each remove…

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(This article belongs to the SP5 (Special Issue on Multidisciplinary Sciences and Engineering 2018) & Section Aerospace Engineering (EAR))
Open AccessArticle
10 Pages, 2,599 KB Download PDF

CNN-based Automatic Coating Inspection System

Advances in Science, Technology and Engineering Systems Journal, Volume 3, Issue 6, Page # 469–478, 2018; DOI: 10.25046/aj030655
Abstract:

The application of protective coatings is the primary method of protecting marine and offshore structures from corrosion. Coating breakdown and corrosion (CBC) assessment is a major aspect of coating failure management. Evaluation methods can result in unnecessary maintenance costs and a higher risk of failure. To achieve a comprehensive collection of data for CBC assessment,…

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(This article belongs to the SP6 (Special Issue on Recent Advances in Engineering Systems 2018-19) & Section Ocean Engineering (EOC))
Open AccessArticle
9 Pages, 1,357 KB Download PDF

Real Time Eye Tracking and Detection- A Driving Assistance System

Advances in Science, Technology and Engineering Systems Journal, Volume 3, Issue 6, Page # 446–454, 2018; DOI: 10.25046/aj030653
Abstract:

Distraction, drowsiness, and fatigue are the main factors of car accidents recently. To solve such problems, an Eye-tracking system based on camera is proposed in this paper. The system detects the driver’s Distraction or sleepiness and gives an alert to the driver as an assistance system. The camera best position is chosen to be on…

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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
8 Pages, 798 KB Download PDF

Study on CD ROADM Contention Blocking

Advances in Science, Technology and Engineering Systems Journal, Volume 3, Issue 6, Page # 438–445, 2018; DOI: 10.25046/aj030652
Abstract:

Service providers are transferring their static optical transport networks from semi-permanent connections to agile automatic switched optical networks (ASON) with dynamic optical connection provisioning and restoration. To achieve this goal, service providers are looking for flexible optical network ROADMs with CDC capabilities. Although many contention scenarios during network connection provisioning and restoration have been illustrated,…

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(This article belongs to the SP6 (Special Issue on Recent Advances in Engineering Systems 2018-19) & Section Telecommunications (TEL))
Open AccessArticle
6 Pages, 838 KB Download PDF

An Integrated & Secure System for Wearable Devices

Advances in Science, Technology and Engineering Systems Journal, Volume 3, Issue 6, Page # 432–437, 2018; DOI: 10.25046/aj030651
Abstract:

Health services are under increasing pressure to reduce large waiting times for appointments. The delayed diagnosis of a human illnesses could have profound consequences for the patient. The large waiting times may be attributed to lack of data, the accuracy of the data or the timeliness of the availability of the data. In addition to…

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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
7 Pages, 636 KB Download PDF

Adaptation of Electronic Book Publishing Technology by The Publishers in Southeast Nigeria

Advances in Science, Technology and Engineering Systems Journal, Volume 3, Issue 6, Page # 425–431, 2018; DOI: 10.25046/aj030650
Abstract:

This paper investigates the electronic book production and distribution practices adopted by the Publishers in Southeast Nigeria because of the global growing interest in writing new book titles in digital form as well as converting paper titles to digital content. To investigate this study, the researcher formulated three research questions to guide the study. A…

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(This article belongs to Section Multidisciplinary Sciences (MUS))
Open AccessArticle
13 Pages, 5,415 KB Download PDF

Two Degree-of-Freedom Vibration Control of a 3D, 2 Link Flexible Manipulator

Advances in Science, Technology and Engineering Systems Journal, Volume 3, Issue 6, Page # 412–424, 2018; DOI: 10.25046/aj030649
Abstract:

Considering link vibrations, the main limitation affecting flexible manipulators, this article seeks to make a contribution by presenting an enhanced two degree of freedom vibration controller. This controller uses a filtered right inverse controller in the feedforward and strain feedback controller in the feedback path. The Filtered inverse controller damps transient vibrations while preserving joint…

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(This article belongs to the SP6 (Special Issue on Recent Advances in Engineering Systems 2018-19) & Section Mechanical Engineering (EMH))
Open AccessArticle
9 Pages, 855 KB Download PDF

Analysis of Garri Frying Machine Manufacturing in Nigeria: Design Innovation

Advances in Science, Technology and Engineering Systems Journal, Volume 3, Issue 6, Page # 403–411, 2018; DOI: 10.25046/aj030648
Abstract:

Production of garri (edible processed and granulated form of cassava) and sustaining the production process has become so laborious, time consuming, and predisposes one to some form of danger, especially as it concerns the hot fire that one is disposed to during the process. In west African tradition, where this garri serves as one of…

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(This article belongs to Section Manufacturing Engineering (EMF))
Open AccessArticle
11 Pages, 1,191 KB Download PDF

Using Fuzzy PD Controllers for Soft Motions in a Car-like Robot

Advances in Science, Technology and Engineering Systems Journal, Volume 3, Issue 6, Page # 380–390, 2018; DOI: 10.25046/aj030646
Abstract:

This paper deals with the control problem for nonholonomic wheeled mobile robots moving on the plane, and in particular, the use of a Fuzzy controller technique for achieving a given motion task which consists of following a rectilinear trajectory until an obstacle occurs on the path. After a background part, in which the fundamental knowledge…

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(This article belongs to the SP6 (Special Issue on Recent Advances in Engineering Systems 2018-19) & Section Automation & Control Systems (ACS))
Open AccessArticle
8 Pages, 872 KB Download PDF

Modeling an Energy Consumption System with Partial-Value Data Associations

Advances in Science, Technology and Engineering Systems Journal, Volume 3, Issue 6, Page # 372–379, 2018; DOI: 10.25046/aj030645
Abstract:

Many existing system modeling techniques based on statistical modeling, data mining and machine learning have a shortcoming of building variable relations for the full ranges of variable values using one model, although certain variable relations may hold for only some but not all variable values. This shortcoming is overcome by the Partial-Value Association Discovery (PVAD)…

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(This article belongs to the SP6 (Special Issue on Recent Advances in Engineering Systems 2018-19) & Section Construction & Building Technology (CBT))
Open AccessArticle
14 Pages, 2,022 KB Download PDF

A Practical Approach for Extending DSMLs by Composing their Metamodels

Advances in Science, Technology and Engineering Systems Journal, Volume 3, Issue 6, Page # 358–371, 2018; DOI: 10.25046/aj030644
Abstract:

Domain specific modeling (DSM) has become popular in the software development field during these last years. It allows to design an application using a domain specific modeling language (DSML) and to generate an end-solution software product directly from models. However providing a new DSML is a complex and costly job. This can be reduced by…

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(This article belongs to the SP6 (Special Issue on Recent Advances in Engineering Systems 2018-19) & Section Software Engineering in Computer Science (CSE))
Open AccessArticle
8 Pages, 905 KB Download PDF

MRI images Enhancement and Brain Tumor Segmentation

Advances in Science, Technology and Engineering Systems Journal, Volume 3, Issue 6, Page # 339–346, 2018; DOI: 10.25046/aj030642
Abstract:

Brain tumor is the abnormal growth of cancerous cells in Brain. The development of automated methods for segmenting brain tumors remains one of the most difficult tasks in medical data processing. Accurate segmentation can improve diagnosis, such as evaluating tumor volume. However, manual segmentation in magnetic resonance data is a laborious task. The main problem…

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(This article belongs to the SP5 (Special Issue on Multidisciplinary Sciences and Engineering 2018) & Section Biomedical Engineering (EBI))
Open AccessArticle
10 Pages, 701 KB Download PDF

Machine Learning Applied to GRBAS Voice Quality Assessment

Advances in Science, Technology and Engineering Systems Journal, Volume 3, Issue 6, Page # 329–338, 2018; DOI: 10.25046/aj030641
Abstract:

Voice problems are routinely assessed in hospital voice clinics by speech and language therapists (SLTs) who are highly skilled in making audio-perceptual evaluations of voice quality. The evaluations are often presented numerically in the form of five-dimensional ‘GRBAS’ scores. Computerised voice quality assessment may be carried out using digital signal processing (DSP) techniques which process…

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(This article belongs to the SP5 (Special Issue on Multidisciplinary Sciences and Engineering 2018) & Section Acoustics (ACO))
Open AccessArticle
5 Pages, 658 KB Download PDF

Contract Price Model Under Active Demand Response

Advances in Science, Technology and Engineering Systems Journal, Volume 3, Issue 6, Page # 324–328, 2018; DOI: 10.25046/aj030640
Abstract:

The power market in China is faced with problems such as the continuous widening of terminal load peak-valley difference and the imbalance between supply and demand. Under this background, this paper to establish the mathematical model of the contract price of active demand response. The first is to consider the load component of the user’s…

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(This article belongs to Section Electrical Engineering (ELE))
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
5 Pages, 1,048 KB Download PDF

Emergence of Fun Emotion in Computer Games -An experimental study on fun elements of Hanafuda-

Advances in Science, Technology and Engineering Systems Journal, Volume 3, Issue 6, Page # 314–318, 2018; DOI: 10.25046/aj030638
Abstract:

In recent years, research on game AI has expanded, and now it has become possible to construct even AI of complex games. In accordance with this trend, we constructed the AI of the Hanafuda with a certain degree of complexity. Because of applying the method used in other games to the ball game, we could…

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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
25 Pages, 2,086 KB Download PDF

An Empirical Study of Icon Recognition in a Virtual Gallery Interface

Advances in Science, Technology and Engineering Systems Journal, Volume 3, Issue 6, Page # 289–313, 2018; DOI: 10.25046/aj030637
Abstract:

This paper reports on an empirical study (an extension of a pilot study) that analyses the design of icons in a German 3-D virtual art gallery interface. It evaluates the extent to which a sample of typical computer users from a range of ages, educational attainments and employments can interpret the meaning of icons from…

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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))
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