Sciences de l'ingénieur et technologies

Article scientifique

A QoE-maximization-based vertical handover scheme for VLC heterogeneous networks

Visible light communication (VLC), not only provides indoor illumination, but also offers broadband connection. It has the benefits of huge …

2018 Open Access

Article scientifique

PILOT PRODUCTION ENVIRONMENTS DRIVEN BY DIGITAL TWINS

Establishing production environments requires joint decision-making by stakeholders from many disciplines at different levels of aggregation, because of the significant, …

2018 Open Access

Article scientifique

RAPIDLY ARRIVING FUTURES: FUTURE READINESS FOR INDUSTRY 4.0

The future being shaped by Industry 4.0 has arrived. Tools are available that anticipate the future, approximate it, estimate it, …

2018 Open Access

Article scientifique

Injury prevalence and safety habits of boda boda drivers in Moshi, Tanzania: A mixed methods study

BACKGROUND: Traffic crashes are a major cause of global morbidity and mortality disproportionately affecting low- and middle-income countries (LMICs). Motorcycle …

2018 Open Access

Article scientifique

UAS imagery reveals new survey opportunities for counting hippos

INTRODUCTION: The common hippopotamus Hippopotamus amphibius L. is a vulnerable species that requires efficient methods to monitor its populations for …

2018 Open Access

Article scientifique

TOWARDS AN INITIATIVE-BASED INDUSTRY 4.0 MATURITY IMPROVEMENT PROCESS: MASTER DRILLING AS A CASE STUDY

Industry 4.0 is an unavoidable global revolution with disruptive effects. Many sectors in South Africa are currently underprepared for the …

2018 Open Access

Article scientifique

Non-equilibrium Model for Nanofluid Free Convection Inside a Porous Cavity Considering Lorentz Forces

In current article, transportation of CuO nanoparticles through a porous enclosure is demonstrated. The enclosure has complex shaped hot wall. …

2018 Open Access

Article scientifique

A perfect storm: The ramifications of Cape Town’s drought crisis

By 2018, the City of Cape Town (CCT) suffered a third consecutive year of serious drought. This article investigates the …

2018 Open Access

Article scientifique

Darcy-Forchheimer flow of MHD nanofluid thin film flow with Joule dissipation and Navier’s partial slip

In this paper investigation is carried out on two dimensional liquid film with heat generation/absorption and variable heat transmission of …

2018 Open Access

Article scientifique

الإعلام الالكتروني والقضايا الاجتماعية في الجزائر تقنية البودكاست الفكاهي أنموذجا

تتناول هذه الدراسة موضوع البودكاست الفكاهي كتقنية جديدة من تقنيات الإعلام الالكتروني، بوصفها أسلوباً جديداً للتعبير عن مختلف القضايا من …

2018 Open Access

Article scientifique

Vertical Ionosphere Delay Estimation using Zero Difference GPS Phase Observation

Abstract. An apparent delay is occurred in GPS signal due to both refraction and diffraction caused by the atmosphere. The …

2018 Open Access

Article scientifique

Oscillatory thresholds and foveal and macular thickness using coherence tomography

Background: Technology is evolving and advancing rapidly as is evident in the ophthalmic and optometric fields with the development of …

2018 Open Access

Article scientifique

Design and Simulation of 1.28 Tbps Dense Wavelength Division Multiplex System Suitable for Long Haul Backbone

Abstract Wavelength division multiplex (WDM) system with on/off keying (OOK) modulation and direct detection (DD) is generally simple to implement, …

2018 Open Access

Article scientifique

Magnetic-field CMOS microsensor for low-energy electric discharge detection

Abstract. This paper addresses the development and characterization of a non-intrusive silicon-based microsensor, which can detect electric partial discharges in …

2018 Open Access

Article scientifique

Design Construction and Performance Evaluation of Solar Still for Rural Dwellers

This paper is aimed at designing, constructing and performance evaluation of a solar still. The solar still is design and …

2018 Open Access

Article scientifique

Measuring our investment in the future

Global consensus has been built around a few key issues, and there have been a slew of unifying declarations and …

2018 Open Access

Article scientifique

Quasi-Real Scenario of Reconfigurable Filtering Functions Antenna for UWB Communications

In this paper, an Ultra Wide Band antenna with reconfigurable filtering-characteristic is proposed to overcome interferences problems in the frequency …

2018 Open Access

Article scientifique

Characteristics of TiO2 Compact Layer prepared for DSSC application

Dye-sensitized solar cells (DSSCs) offer an economically reliable and suitable alternative in moderating the challenges presented by the existing convectional …

2018 Open Access

Article scientifique

Dynamic Matrix Control and Tuning Parameters Analysis for a DC Motor System Control

Model predictive control (MPC) in system control industry overrides the challenges of conventional controllers in controlling complex systems. However, for …

2018 Open Access

Article scientifique

Experimental investigation of beam-column joints made with high-volume fly-ash concrete subjected to reversed lateral loading

This paper presents the results of an experimental investigation carried on exterior beam-column joints made with high-volume fly-ash concrete, containing …

2018 Open Access