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Open AccessArticle
5 Pages, 1,183 KB Download PDF

Novel CPW-fed UWB antenna for X-band applications

Advances in Science, Technology and Engineering Systems Journal, Volume 4, Issue 2, Page # 78–82, 2019; DOI: 10.25046/aj040210
Abstract:

An ultra-wideband (UWB) printed antenna (PMA) powered by a compact coplanar waveguide (CPW) is featured. The propounded antenna is supposed to cover the UWB range from 7 GHz to 10 GHz, with return loss values below -10 dB in the whole frequency range, for X-band applications, often used for dense satellite communications. The 30 x…

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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
8 Pages, 1,116 KB Download PDF

A Spectrum Sharing based Metering Infrastructure for Smart Grid Utilizing LTE and WiFi

Advances in Science, Technology and Engineering Systems Journal, Volume 4, Issue 2, Page # 70–77, 2019; DOI: 10.25046/aj040209
Abstract:

In advanced metering infrastructure (AMI) of smart grid, WiFi is an appropriate choice for its bidirectional communication requirement to transmit data to the billing center. But, WiFi functions in the free spectrum bands and LTE also requires to use the same free bands for its network expansion being licensed spectrum is limited and expansive. LTE…

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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
20 Pages, 8,684 KB Download PDF

W.A.S.T.E. R.E.D.U.C.E.: Waste Auditing Sensor Technology to Enhance the Reduction of Edible Discards in University Cafeterias & Eateries

Advances in Science, Technology and Engineering Systems Journal, Volume 4, Issue 2, Page # 45–64, 2019; DOI: 10.25046/aj040207
Abstract:

Food waste disposal and food availability are both problems in the world today. The ability to monitor food waste is currently limited by the use of manual data collection and sparsity of monitoring. Using sensors to automate the process of measuring and collecting data on food waste would allow constant monitoring and provide a better…

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(This article belongs to the SP6 (Special Issue on Recent Advances in Engineering Systems 2018-19) & Section Food Science & Technology (FST))
Open AccessArticle
11 Pages, 3,098 KB Download PDF

Design of an Additively Manufacturable Multi-Material Light-Weight Gripper with integrated Bellows Actuators

Advances in Science, Technology and Engineering Systems Journal, Volume 4, Issue 2, Page # 23–33, 2019; DOI: 10.25046/aj040204
Abstract:

Combining state-of-the-art additive manufacturing technologies with structural optimization has the potential to produce geometrically complex multi-material components with integrated functionalities and desired structural behavior. In this article, the simulation-driven design process of a multi-material light-weight gripper with an integrated pneumatic bellows actuator is described. The design of the bellows structure is based on a previously…

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(This article belongs to the SP6 (Special Issue on Recent Advances in Engineering Systems 2018-19) & Section Manufacturing Engineering (EMF))
Open AccessArticle
7 Pages, 810 KB Download PDF

The Chimera and the Cyborg

Advances in Science, Technology and Engineering Systems Journal, Volume 4, Issue 2, Page # 1–7, 2019; DOI: 10.25046/aj040201
Abstract:

High Performance Computing (HPC) systems offer excellent metrics for speed and efficiency when using bare metal hardware, a high speed interconnects, and massively parallel applications. However, this leaves out a significant portion of scientific computational tasks, namely high throughput computing tasks that can be trivially parallelized and scientific workflows that require their own well-defined software…

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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
14 Pages, 1,243 KB Download PDF

Managing and Optimizing Quality of Service in 5G Environments Across the Complete SLA Lifecycle

Advances in Science, Technology and Engineering Systems Journal, Volume 4, Issue 1, Page # 329–342, 2019; DOI: 10.25046/aj040132
Abstract:

The 5G is the fifth generation of mobile broadband, cellular technologies, and networks that promises a major change in mobility by evolving connected business realities. In such an emerging environment, reliable Service Level Agreements (SLA) and anticipation of breaches of Service Level Objectives (SLO) become compulsory. Thus, guaranteeing the required service quality, while also ensuring…

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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
12 Pages, 700 KB Download PDF

Application Layer Security Authentication Protocols for the Internet of Things: A Survey

Advances in Science, Technology and Engineering Systems Journal, Volume 4, Issue 1, Page # 317–328, 2019; DOI: 10.25046/aj040131
Abstract:

Network security challenges due to nearly limitless internet connectivity, platform limitations, ubiquitous nodal mobility and huge data transactions is burgeoning by the day and the need for transcend Internet of Things (IoT) based cloud security authentication protocols is on an exponential rise. Even though many secure classic layered security mechanisms are available for implementation, they…

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(This article belongs to Section Cybernetics in Computer Science (CCY))
Open AccessArticle
10 Pages, 3,798 KB Download PDF

Over-The-Air Testing of Automotive Antennas and Wireless Links in The Installed State on The Basis of LTE Downlink Communication Parameters

Advances in Science, Technology and Engineering Systems Journal, Volume 4, Issue 1, Page # 282–291, 2019; DOI: 10.25046/aj040127
Abstract:

Modern automobiles have been turning more and more into wireless sensor and communication networks. Accordingly, the number of radio systems is steadily increasing. Due to strict safety requirements, these radio systems need to be tested extensively for functionality and reliability, especially under poor radio channel conditions. Beside the large electrical size of cars at frequencies…

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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
8 Pages, 1,683 KB Download PDF

Trajectory Tracking Control Optimization with Neural Network for Autonomous Vehicles

Advances in Science, Technology and Engineering Systems Journal, Volume 4, Issue 1, Page # 217–224, 2019; DOI: 10.25046/aj040121
Abstract:

For mission-critical and time-sensitive navigation of autonomous vehicles, controller design must exhibit excellent tracking performance with respect to the speed of convergence to reference command and steady-state accuracy. In this article, a novel design integration of the neural network with the traditional control system is proposed to adaptively obtain optimized controller parameters resulting in improved…

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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
10 Pages, 1,027 KB Download PDF

Enhancing and Monitoring Patient Outcomes Through Customized Learning

Advances in Science, Technology and Engineering Systems Journal, Volume 4, Issue 1, Page # 183–192, 2019; DOI: 10.25046/aj040118
Abstract:

Chronic diseases such as heart disease, cancer, diabetes, and asthma continue to increase in the general public within the modern era. With careful observation of the symptoms potential diseases may be detected early and managed properly. For that to happen, the awareness of the symptoms and proper knowledge about the diseases may be needed for…

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(This article belongs to the SP6 (Special Issue on Recent Advances in Engineering Systems 2018-19) & Section Bioinformatics (BIF))
Open AccessArticle
6 Pages, 3,439 KB Download PDF

Low Contrast Image Enhancement Using Convolutional Neural Network with Simple Reflection Model

Advances in Science, Technology and Engineering Systems Journal, Volume 4, Issue 1, Page # 159–164, 2019; DOI: 10.25046/aj040115
Abstract:

Low contrast images degrade the performance of image processing system. To solve the issue, plenty of image enhancement methods have been proposed. But the methods work properly on the fixed environment or specific images. The methods dependent on fixed image conditions cannot perform image enhancement properly and perspective of smart device users, algorithms including iterative…

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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
18 Pages, 592 KB Download PDF

Can parallelization save the (computing) world?

Advances in Science, Technology and Engineering Systems Journal, Volume 4, Issue 1, Page # 141–158, 2019; DOI: 10.25046/aj040114
Abstract:

As all other laws of the growth in computing, the growth of computing performance also shows a ”logistic curve”-like behavior, rather than an unlimited exponential growth. The stalling of the single-processor performance experienced nearly two decades ago forced computer experts to look for alternative methods, mainly for some kind of parallelization. Solving the task needs…

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(This article belongs to Section Theory & Methods in Computer Science (CTM))
Open AccessArticle
16 Pages, 1,044 KB Download PDF

Conducted and Radiated Interference on Interconnection’s Lines

Advances in Science, Technology and Engineering Systems Journal, Volume 4, Issue 1, Page # 125–140, 2019; DOI: 10.25046/aj040113
Abstract:

There exists a profound difficulty of communication between the people that works in the EMC area in circuit terms and the people that works in field terms. In this paper we show that when the matter is predominantly distributed along a certain direction in space, as for transmission lines, the electromagnetic field can be divided…

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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
11 Pages, 1,440 KB Download PDF

Fuzzy Logic Implementation for Enhanced WCDMA Network Using Selected KPIs

Advances in Science, Technology and Engineering Systems Journal, Volume 4, Issue 1, Page # 114–124, 2019; DOI: 10.25046/aj040112
Abstract:

The paper focused on the implementation of fuzzy logic technology for improved Wideband Code Division Multiple Access (WCDMA) network using selected Key Performance Indicators (KPIs). Empirical and analytical methods were principally deployed for the study analyses. Empirical analyses were conducted on two designated networks which are MTN and AIRTEL observed with high network traffic to…

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(This article belongs to Section Electronic Engineering (EEE))
Open AccessArticle
9 Pages, 1,013 KB Download PDF

Web Authentication: no Password; Listen and Touch

Advances in Science, Technology and Engineering Systems Journal, Volume 4, Issue 1, Page # 84–92, 2019; DOI: 10.25046/aj040109
Abstract:

Just as electricity has an essential role in our lives, the internet network and especially web services have become of vital importance nowadays. Without security service layers, apparently small things like checking a child’s school schedule on web may turn the daily routine into a nightmare. Web services users are still required to use many…

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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
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
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
14 Pages, 2,221 KB Download PDF

Simulation-Optimisation of a Granularity Controlled Consumer Supply Network Using Genetic Algorithms

Advances in Science, Technology and Engineering Systems Journal, Volume 3, Issue 6, Page # 455–468, 2018; DOI: 10.25046/aj030654
Abstract:

The decision support systems regarding the Supply Chains (SCs) management services can be significantly improved if an effective viable method is utilised. This paper presents a robust simulation optimisation approach (SOA) for the design and analysis of a granularity controlled and complex system known as Consumer Supply Network (CSN) incorporating uncertain demand and capacity. Minimising…

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(This article belongs to the SP5 (Special Issue on Multidisciplinary Sciences and Engineering 2018) & Section Industrial Engineering (EID))
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
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, 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
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
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))
Open AccessArticle
6 Pages, 1,051 KB Download PDF

Student Performance Evaluation Using Data Mining Techniques for Engineering Education

Advances in Science, Technology and Engineering Systems Journal, Volume 3, Issue 6, Page # 259–264, 2018; DOI: 10.25046/aj030634
Abstract:

In this research work, we are implementing a student performance evaluation model using Mamdani Fuzzy Inference System (FIS) and Neuro Fuzzy system and comparing the results with classical averaging method for Network Analysis (NA) course studied by third semester Electronics and Communication Engineering students. This work explains the designing of scoring rubrics using Bloom’s levels…

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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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