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Open AccessArticle
8 Pages, 10,700 KB Download PDF

Steel heat treating: mathematical modelling and numerical simulation of a problem arising in the automotive industry

Advances in Science, Technology and Engineering Systems Journal, Volume 2, Issue 5, Page # 55–62, 2017; DOI: 10.25046/aj020510
Abstract:

We describe a mathematical model for the industrial heating and cooling processes of a steel workpiece representing the steering rack of an automobile. The goal of steel heat treating is to provide a hardened surface on critical parts of the workpiece while keeping the rest soft and ductile in order to reduce fatigue. The high…

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(This article belongs to Section Applied Mathematics (MAP))
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
8 Pages, 1,409 KB Download PDF

Smartphone Based Heart Attack Risk Prediction System with Statistical Analysis and Data Mining Approaches

Advances in Science, Technology and Engineering Systems Journal, Volume 2, Issue 3, Page # 1815–1822, 2017; DOI: 10.25046/aj0203221
Abstract:

Nowadays, Ischemic Heart Disease (IHD) (Heart Attack) is ubiquitous and one of the major reasons of death worldwide. Early screening of people at risk of having IHD may lead to minimize morbidity and mortality. A simple approach is proposed in this paper to predict risk of developing heart attack using smartphone and data mining. Clinical…

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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
7 Pages, 2,291 KB Download PDF

Indoor monitoring in Public Buildings: workplace wellbeing and energy consumptions. An example of IoT for smart cities application

Advances in Science, Technology and Engineering Systems Journal, Volume 2, Issue 3, Page # 884–890, 2017; DOI: 10.25046/aj0203110
Abstract:

In the recent years LepidaSpa created Sensornet platform for the control of the Emilia-Romagna territory managing heterogeneous environmental sensor networks distributed all over the region. LepidaSpa decided to integrate into Sensornet a brand-new family of sensors measuring indoor environmental parameters inside public buildings, in order to monitor energy consumption on one hand and workers’ wellbeing…

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(This article belongs to the SP3 (Special issue on Recent Advances in Engineering Systems 2017) & Section Information Systems in Computer Science (CIS))
Open AccessArticle
10 Pages, 2,431 KB Download PDF

A novel model for Time-Series Data Clustering Based on piecewise SVD and BIRCH for Stock Data Analysis on Hadoop Platform

Advances in Science, Technology and Engineering Systems Journal, Volume 2, Issue 3, Page # 855–864, 2017; DOI: 10.25046/aj0203106
Abstract:

With the rapid growth of financial markets, analyzers are paying more attention on predictions. Stock data are time series data, with huge amounts. Feasible solution for handling the increasing amount of data is to use a cluster for parallel processing, and Hadoop parallel computing platform is a typical representative. There are various statistical models for…

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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
11 Pages, 1,545 KB Download PDF

Multi Level Integrity Management in LTE/LTE-A Networks

Advances in Science, Technology and Engineering Systems Journal, Volume 2, Issue 3, Page # 658–668, 2017; DOI: 10.25046/aj020384
Abstract:

The sector of telecommunications is experiencing a large growth and rapid change in developing applications due to the variety of technologies, to increase the number of users and to arrival services varied from the high demand of the service quality such as streaming, web navigation. In this regard, the 3rd Generation Partnership Project (3GPP) organization…

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(This article belongs to the SP3 (Special issue on Recent Advances in Engineering Systems 2017) & Section Telecommunications (TEL))
Open AccessArticle
9 Pages, 3,742 KB Download PDF

Simulation and Implementation of Sensorless Control in Multi-Motors Electric Drives with High Dynamics

Advances in Science, Technology and Engineering Systems Journal, Volume 2, Issue 4, Page # 59–67, 2017; DOI: 10.25046/aj020409
Abstract:

In this article we’ll tackle the control of multi-motors electric drives with high dynamic, with rapid changes in torque and speed, with rigid or flexible coupling of motors, where the control strategy is FOC (Field Oriented Control) for each drives and the distributed control in local network using the CANopen protocol. In the surface mining…

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(This article belongs to Section Electrical Engineering (ELE))
Open AccessArticle
12 Pages, 2,619 KB Download PDF

Deep venous thrombus characterization: ultrasonography, elastography and scattering operator

Advances in Science, Technology and Engineering Systems Journal, Volume 2, Issue 3, Page # 48–59, 2017; DOI: 10.25046/aj020308
Abstract:

A thrombus or a blood clot is the result of blood coagulation which is a natural process to prevent bleeding. An inappropriate formation of a thrombus in a deep vein is known as Deep Venous Thrombosis (DVT). The main complication of a DVT is a Pulmonary Embolism (PE) which occurs when a thrombus breaks loose…

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(This article belongs to the SP3 (Special issue on Recent Advances in Engineering Systems 2017) & Section Radiology (RIO))
Open AccessArticle
7 Pages, 1,157 KB Download PDF

Feedback device of temperature sensation for a myoelectric prosthetic hand

Advances in Science, Technology and Engineering Systems Journal, Volume 2, Issue 3, Page # 41–47, 2017; DOI: 10.25046/aj020307
Abstract:

In this study, a control system of a feedback device of temperature sensation for myoelectric prosthetic hand users was improved. The device is mounted on a user’s upper arm in contact with the skin, and transfers the temperature sensation in the upper arm corresponding to the temperature detected by the temperature sensor at the fingertip…

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(This article belongs to the SP3 (Special issue on Recent Advances in Engineering Systems 2017) & Section Biomedical Engineering (EBI))
Open AccessArticle
6 Pages, 1,295 KB Download PDF

Expression of balance function during exposure to stereoscopic video clips

Advances in Science, Technology and Engineering Systems Journal, Volume 2, Issue 1, Page # 121–126, 2017; DOI: 10.25046/aj020114
Abstract:

Recently, with the rapid progress in image processing and three-dimensional (3D) technologies, stereoscopic images are available not only on television but also in theaters and gaming consoles. Asthenopia and visually induced motion sickness (VIMS) are well-known phenomena experienced by users while viewing video clips, playing immersive video games, and other such activities. In previous studies,…

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(This article belongs to the SP2 (Special Issue on Computer Systems, Information Technology, Electrical and Electronics Engineering 2017) & Section Biomedical Engineering (EBI))
Open AccessArticle
5 Pages, 4,635 KB Download PDF

Adaptive Intelligent Systems applied to two-wheeled robot and the effect of different terrains on performance

Advances in Science, Technology and Engineering Systems Journal, Volume 2, Issue 1, Page # 1–5, 2017; DOI: 10.25046/aj020101
Abstract:

This work discuss two different intelligent controllers: Online Neuro Fuzzy Controller (ONFC) and Proportional-Integral-Derivative Neural Network (PID-NN). They were applied to maintain the equilibrium and to control the position of a two-wheeled robot prototype. Experiments were carried out to investigate the equilibrium control and movement of the two-wheeled robot first on flat terrain, then in…

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(This article belongs to the SP2 (Special Issue on Computer Systems, Information Technology, Electrical and Electronics Engineering 2017) & Section Information Systems in Computer Science (CIS))
Open AccessArticle
5 Pages, 927 KB Download PDF

Robust µController Implementations for a Linear Pneumatic Actuator Interaction

Advances in Science, Technology and Engineering Systems Journal, Volume 1, Issue 2, Page # 6–10, 2016; DOI: 10.25046/aj010202
Abstract:

Over the years, pneumatic systems have recorded a remarkable performance in automated applications, based on their cost to efficiency ratio and ease of energy transmission.  Therefore, their drawback of not being totally controllable devices in terms of position accuracy, still represents a challenge task for engineers. In this paper, a traditional three term controller (PID)…

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(This article belongs to Section Mechanical Engineering (EMH))

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