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Open AccessArticle
7 Pages, 713 KB Download PDF

Single-leg Standing Ability and Lower Limb Movement Analysis of Collegiate Footballers and Sedentary Students

Advances in Science, Technology and Engineering Systems Journal, Volume 5, Issue 1, Page # 01–07, 2020; DOI: 10.25046/aj050101
Abstract:

Stability or balance is an integral component to perform daily activities without incurring injury or to be dependent on others. Sportsmen tend to have better balance than non-sports people but less is known about the single-leg balance ability. Furthermore, few studies analyzed the dynamic phase of single-leg stance that may contribute to better overall balance.…

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(This article belongs to the SP8 (Special Issue on Multidisciplinary Sciences and Engineering 2019-20) & Section Sport Sciences (SPS))
Open AccessArticle
8 Pages, 1,255 KB Download PDF

Optimization of the Electrical Discharge Machining of Powdered Metallurgical High-Speed Steel Alloy using Genetic Algorithms

Advances in Science, Technology and Engineering Systems Journal, Volume 4, Issue 6, Page # 255–262, 2019; DOI: 10.25046/aj040632
Abstract:

Through the Electrical Discharge Machining, the temperature is very high, which can lead to the material phase’s transformation and affects material properties, which can lead to failure of the products in the industry. This study aims to investigate the effect of a new input parameter (pulse cycle time Tc), with other parameters on the EDM…

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(This article belongs to the SP8 (Special Issue on Multidisciplinary Sciences and Engineering 2019-20) & Section Metallurgy & Metallurgical Engineering (MME))
Open AccessArticle
8 Pages, 880 KB Download PDF

Mechanical Testing Methods for Body-Powered Upper-Limb Prostheses: A Case Study

Advances in Science, Technology and Engineering Systems Journal, Volume 4, Issue 5, Page # 61–68, 2019; DOI: 10.25046/aj040508
Abstract:

3D-printing technologies have greatly influenced the field of fabrication of medical devices. In particular, Fused Deposition Modeling 3D printing has emerged as one the most popular and most promising technologies for fabricating upper-limb prostheses. Over the last years, a variety of types and designs of 3D-printed hand prostheses have been created and are commercially available.…

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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
7 Pages, 4,180 KB Download PDF

Hidden Surface Removal for Interaction between Hand and Virtual Objects in Augmented Reality

Advances in Science, Technology and Engineering Systems Journal, Volume 4, Issue 4, Page # 359–365, 2019; DOI: 10.25046/aj040444
Abstract:

Recently, augmented reality (AR) technology has been applied to the inter- action technology between human and virtual objects. In AR interaction technology, it is necessary for users to be able to manipulate virtual objects intuitively. Thus, we focus on manipulating virtual objects directly with the user’s bare hands in this study. On the other hand,…

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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
5 Pages, 1,017 KB Download PDF

Comparison of Electrogastrograms in Seated and Supine Positions Using Wayland Algorithm

Advances in Science, Technology and Engineering Systems Journal, Volume 4, Issue 4, Page # 42–46, 2019; DOI: 10.25046/aj040405
Abstract:

In previous study, it is difficult to estimate the biological states such as postural ones and aetas in accordance with the previous analysis of electrogastrograms (EGGs), basically the frequency resolution of healthy individuals. In addition, few studies have compared gastric myoelectrical activity in supine and sitting posture. The aim of this study is to evaluate…

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(This article belongs to the SP6 (Special Issue on Recent Advances in Engineering Systems 2018-19) & Section Biomedical Engineering (EBI))
Open AccessArticle
7 Pages, 1,654 KB Download PDF

Brain-inspired IoT Controlled Walking Robot – Big-Foot

Advances in Science, Technology and Engineering Systems Journal, Volume 4, Issue 3, Page # 220–226, 2019; DOI: 10.25046/aj040329
Abstract:

This work presents the development of an original idea for a walking robot with a minimum number of motors, simple construction and a control system based on the brain bioelectrical activities. Described are geometric and kinematic dependencies related to the robot movement, as well as brain-inspired IoT control method. Various aspects are discussed for improving…

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(This article belongs to the SP7 (Special Issue on Advancement in Engineering and Computer Science 2019) & Section Biomedical Engineering (EBI))
Open AccessArticle
8 Pages, 903 KB Download PDF

Assessment of Coordinated Multipoint Transmission Modes for Indoor and Outdoor Users at 28 GHz in Urban Macrocellular Environment

Advances in Science, Technology and Engineering Systems Journal, Volume 4, Issue 2, Page # 119–126, 2019; DOI: 10.25046/aj040216
Abstract:

The aim of this article is to analyze and evaluate the performance of Coordinated Multipoint (CoMP) transmission approach at a frequency of 28 GHz using three dimensional ray tracing simulations in an urban macrocellular environment. The new performance metric introduced in this article is the relative power usage. Other performance metrics examined in this article…

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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
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
12 Pages, 1,548 KB Download PDF

Robot Self-Detection System

Advances in Science, Technology and Engineering Systems Journal, Volume 3, Issue 6, Page # 391–402, 2018; DOI: 10.25046/aj030647
Abstract:

The paper presents design and implementation of a mobile robot, located in an accommodation. As opposed to other known solutions, the presented one is entirely based on standard, cheap and accessible devices and tools. An algorithm for transformation of the 2D coordinates of the robot into 3D coordinates is described. The design and implementation of…

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(This article belongs to the SP5 (Special Issue on Multidisciplinary Sciences and Engineering 2018) & Section Robotics (ROB))
Open AccessArticle
16 Pages, 1,387 KB Download PDF

Parallelizing Combinatorial Optimization Heuristics with GPUs

Advances in Science, Technology and Engineering Systems Journal, Volume 3, Issue 6, Page # 265–280, 2018; DOI: 10.25046/aj030635
Abstract:

Combinatorial optimization problems are often NP-hard and too complex to be solved within a reasonable time frame by exact methods. Heuristic methods which do not offer a convergence guarantee could obtain some satisfactory resolution for combinatorial optimization problems. However, it is not only very time consuming for Central Processing Units (CPU) but also very difficult…

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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
5 Pages, 1,162 KB Download PDF

An Optical-based Fingertip Force Sensor

Advances in Science, Technology and Engineering Systems Journal, Volume 3, Issue 5, Page # 23–27, 2018; DOI: 10.25046/aj030504
Abstract:

This work introduces the design and prototype development of a novel optical-based fingertip force sensor, which is integrated in a bio-mimetic finger for robotic and prosthetic manipulation. Given the optical nature of the sensor, the proposed device is free of any electrical and metal components. Accordingly, the design improves manipulation of objects with high electromagnetic…

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(This article belongs to the SP5 (Special Issue on Multidisciplinary Sciences and Engineering 2018) & Section Robotics (ROB))
Open AccessArticle
10 Pages, 2,838 KB Download PDF

Topology, Discontinuities and Dimension Effects on CMOS Rotary Traveling Wave Oscillators

Advances in Science, Technology and Engineering Systems Journal, Volume 3, Issue 4, Page # 260–269, 2018; DOI: 10.25046/aj030426
Abstract:

In this article, a new method to extract the RLC parameters from the structure of a Rotating Traveling Wave Oscillator (RTWO) is described. The use of a 3D simulator (EMPRO) allow us to develop a precise analysis of the impact of the topology, the geometrical discontinuities, and the dimensions of the transmission lines, on the…

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(This article belongs to the SP5 (Special Issue on Multidisciplinary Sciences and Engineering 2018) & Section Electronic Engineering (EEE))
Open AccessArticle
6 Pages, 1,088 KB Download PDF

Vertical Accuracy Assessment of DSM from TerraSAR-X and DTM from Aerial Photogrammetry on Paddy Fields – Karawang, Indonesia

Advances in Science, Technology and Engineering Systems Journal, Volume 3, Issue 4, Page # 187–192, 2018; DOI: 10.25046/aj030416
Abstract:

A Digital Terrain Model (DTM) is a digital model representing the earth ‘s surface topography in three dimensions (3D) while a Digital Surface Model (DSM) represents the whole terrain including the objects on it such as trees and buildings. DTMs can be created through stereo-plotting. The advantage of this method is that the 3D data…

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(This article belongs to Section Remote Sensing (RMS))
Open AccessArticle
9 Pages, 1,359 KB Download PDF

Innovative Research on the Development of Game-based Tourism Information Services Using Component-based Software Engineering

Advances in Science, Technology and Engineering Systems Journal, Volume 3, Issue 1, Page # 451–459, 2018; DOI: 10.25046/aj030155
Abstract:

In recent years, a number of studies have been conducted exploring the potential of digital tour guides, that is, multimedia components (e.g., 2D graphic, 3D models, and sound effects) that can be integrated into digital storytelling with location-based services. This study uses component-based software engineering to develop the content of game-based tourism information services. The…

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(This article belongs to the SP4 (Special issue on Advancement in Engineering Technology 2017-18) & Section Interdisciplinary Applications of Computer Science (CSI))
Open AccessArticle
8 Pages, 935 KB Download PDF

Analysis of Outdoor and Indoor Propagation at 15 GHz and Millimeter Wave Frequencies in Microcellular Environment

Advances in Science, Technology and Engineering Systems Journal, Volume 3, Issue 1, Page # 160–167, 2018; DOI: 10.25046/aj030120
Abstract:

The main target of this article is to perform the multidimensional analysis of multipath propagation in an indoor and outdoor environment at higher frequencies i.e. 15 GHz, 28 GHz and 60 GHz, using “sAGA” a 3D ray tracing tool. A real world outdoor Line of Sight (LOS) microcellular environment from the Yokusuka city of Japan…

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(This article belongs to the SP4 (Special issue on Advancement in Engineering Technology 2017-18) & Section Telecommunications (TEL))
Open AccessArticle
5 Pages, 1,186 KB Download PDF

Numerical evaluation of ABS parts fabricated by fused deposition modeling and vapor smoothing

Advances in Science, Technology and Engineering Systems Journal, Volume 2, Issue 6, Page # 157–161, 2017; DOI: 10.25046/aj020620
Abstract:

The automotive industry has focused to use polymer materials in order to increase energy efficiency. So, the industry pays attention to use 3D printing technologies using several polymers. Among several 3D printer technologies, fused deposition modeling (FDM) is one of the popular 3D printing technologies due to an inexpensive extrusion machine and multi-material printing. FDM…

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(This article belongs to the SP4 (Special issue on Advancement in Engineering Technology 2017-18) & Section Manufacturing Engineering (EMF))
Open AccessArticle
6 Pages, 2,857 KB Download PDF

Selective Electron Beam Melting Manufacturing of Electrically Small Antennas

Advances in Science, Technology and Engineering Systems Journal, Volume 2, Issue 6, Page # 70–75, 2017; DOI: 10.25046/aj020609
Abstract:

Real estate pressures in modern electronics have resulted in the need for electrically small antennas, which have subsequently garnered interest amongst researchers and industry alike. These antennas are characterized by their largest dimensions translating to a fraction of the operating wavelength; such a diminutive size comes at the expense of reduced gain and efficiency, and…

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(This article belongs to the SP4 (Special issue on Advancement in Engineering Technology 2017-18) & Section Manufacturing Engineering (EMF))
Open AccessArticle
9 Pages, 1,076 KB Download PDF

A Way for Measuring the Temperature Transients of Capacitors

Advances in Science, Technology and Engineering Systems Journal, Volume 2, Issue 3, Page # 1381–1389, 2017; DOI: 10.25046/aj0203174
Abstract:

With the increasing integration level of electronic circuits management of the generated heat became one of the most important design aspects. Beside the semiconductor components capacitors are also affected by the elevated temperature. In this paper a new thermal characterization method is proposed adopting the thermal transient measurement technique for capacitors utilizing the capacitance itself…

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(This article belongs to the SP3 (Special issue on Recent Advances in Engineering Systems 2017) & Section Electronic Engineering (EEE))
Open AccessArticle
5 Pages, 824 KB Download PDF

Computer Tomography from Micro-Electronics to Assembled Products

Advances in Science, Technology and Engineering Systems Journal, Volume 2, Issue 3, Page # 932–936, 2017; DOI: 10.25046/aj0203117
Abstract:

Traditional CT in our industry has been limited to Business card sized samples, due to the Cone Beam x-ray systems used by Electronics manufacturing companies. Inclined or Partial CT provides a slightly different solution showing layers or slices in 2D very well, but due to the partial nature of the scans does not produce very…

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(This article belongs to the SP3 (Special issue on Recent Advances in Engineering Systems 2017) & Section Electronic Engineering (EEE))
Open AccessArticle
9 Pages, 1,418 KB Download PDF

EEG Mind Controlled Smart Prosthetic Arm – A Comprehensive Study

Advances in Science, Technology and Engineering Systems Journal, Volume 2, Issue 3, Page # 891–899, 2017; DOI: 10.25046/aj0203111
Abstract:

Recently, the field of prosthetics has seen many accomplishments especially with the integration of technological advancements. In this paper, different arm types (robotic, surgical, bionic, prosthetic and static) are analyzed in terms of resistance, usage, flexibility, cost and potential. Most of these techniques have some problems; they are extremely expensive, hard to install and maintain…

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(This article belongs to the SP3 (Special issue on Recent Advances in Engineering Systems 2017) & Section Artificial Intelligence in Computer Science (CAI))
Open AccessArticle
9 Pages, 1,712 KB Download PDF

Treadmill and Vision System for Human Gait Acquisition and Analysis

Advances in Science, Technology and Engineering Systems Journal, Volume 2, Issue 3, Page # 796–804, 2017; DOI: 10.25046/aj0203100
Abstract:

This paper presents a developed low cost system for human gait analysis. Two web cameras placed in opposite sides of a treadmill are used to acquire images of a person walking at different speeds on a treadmill, carrying a set of passive marks located at strategic places of its body. The treadmill also has passive…

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(This article belongs to the SP3 (Special issue on Recent Advances in Engineering Systems 2017) & Section Interdisciplinary Applications of Computer Science (CSI))
Open AccessArticle
6 Pages, 438 KB Download PDF

Adaptive Discrete-time Fuzzy Sliding Mode Control For a Class of Chaotic Systems

Advances in Science, Technology and Engineering Systems Journal, Volume 2, Issue 3, Page # 395–400, 2017; DOI: 10.25046/aj020351
Abstract:

In this paper, we propose an adaptive discrete-time fuzzy sliding mode control for a class of chaotic systems. For this aim, a discrete sliding mode controller and a fuzzy system are combined to achieve an adequate control. The Laypunov stability theorem is used to testify the asymptotic stability of the whole system and the consequence…

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(This article belongs to the SP3 (Special issue on Recent Advances in Engineering Systems 2017) & Section Electronic Engineering (EEE))
Open AccessArticle
9 Pages, 984 KB Download PDF

S-Parameters Optimization in both Segmented and Unsegmented Insulated TSV upto 40GHz Frequency

Advances in Science, Technology and Engineering Systems Journal, Volume 2, Issue 3, Page # 268–276, 2017; DOI: 10.25046/aj020336
Abstract:

Segmented and unsegmented 3D insulated copper through silicon vias (TSVs) of diameter 10 micro-meter, height 100 micro-meter and silicon of sizes 100 micro-meter by 100 micro-meter by 100 micro-meter are modeled using analysis system (ANSYS), equivalent circuit using advanced design system (ADS) at frequency ranges between 100MHz and 40GHz and 10MHz step size. The segmented…

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(This article belongs to the SP3 (Special issue on Recent Advances in Engineering Systems 2017) & Section Telecommunications (TEL))
Open AccessArticle
7 Pages, 1,543 KB Download PDF

Kinect-Based Moving Human Tracking System with Obstacle Avoidance

Advances in Science, Technology and Engineering Systems Journal, Volume 2, Issue 3, Page # 191–197, 2017; DOI: 10.25046/aj020325
Abstract:

This paper is an extension of work originally presented and published in IEEE International Multidisciplinary Conference on Engineering Technology (IMCET). This work presents a design and implementation of a moving human tracking system with obstacle avoidance. The system scans the environment by using Kinect, a 3D sensor, and tracks the center of mass of a…

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(This article belongs to the SP3 (Special issue on Recent Advances in Engineering Systems 2017) & Section Robotics (ROB))

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