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Journal of Engineering Research and Reports

Published by SCIENCEDOMAIN international · ISSN (electronic) 2582-2926

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500

Articles indexed

0

2026 articles

500

Open access

1,139

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Articles (500)

Parametric Analysis of Autopilot Intelligent Robot (PIR) Using Multiple Surface Gradient Path MSGP

Olanrewaju E. Abikoye, Abdullateef O. Alabi & O. Olaboye Yinusa · Journal of Engineering Research and Reports · 2020

Robotic application is taking new dimensions around the globe, of which numerous problems are solved with embedded systems, this research introduces gradient vertices method from 3D geometric to perform data capturing using kinematic effect with aid of autopilot Intelligent Robot...

Open access Research Article 10.9734/jerr/2020/v19i417237

Characterization, Grading and Flexural Modelling of Rubberwood (Hevea brasiliensis); for the Local and International Construction Industry

O. I. Akpokodje, H. Uguru & D. Esegbuyota · Journal of Engineering Research and Reports · 2020

Rubberwood, hitherto solely employed as fuel wood has found fairly suitable use in the Nigerian construction industry. This paper investigated the engineering properties of this low cost, alternative, timber material, produced from Rubber trees (Hevea brasiliensis); often employe...

Open access Research Article 10.9734/jerr/2020/v19i317235

The Effect of a Dynamic Lens Structure on the Open Circuit Voltage of a Concentrated Photovoltaic Model

Mamoun Lyes Hennache & Ali Hennache · Journal of Engineering Research and Reports · 2020

The current concerns of energy shortage and global warming have brought the development of strategies to utilize renewable energy resources at the forefront of public interest. Solar power is one of renewable energy's most promising sources. Concentrated photovoltaics can signifi...

Open access Research Article 10.9734/jerr/2020/v19i317232

Addressing Off-Centered Ball through Solder Paste Material Evaluation

B. C. Bacquian, F. R. Gomez, E. Graycochea Jr. & N. Gomez · Journal of Engineering Research and Reports · 2020

Stencil printing using solder paste material is one of the challenging processes in semiconductor assembly manufacturing. During evaluation of a semiconductor device, off-centered ball issue    was encountered. The study aimed to mitigate the off-centered ball issue at stencil pr...

Open access Research Article 10.9734/jerr/2020/v19i317233

Possibility of Usage of Seawater for Mixing and Curing of Concrete in Salty Water Localities

E. I. Ogunjiofor · Journal of Engineering Research and Reports · 2020

Aims: This study examines the possibility of using seawater as an alternative to freshwater in concrete mixing and curing in areas prone to saltwater. The study was as a result of shortage and scarcity of Freshwater in some parts of the world; mostly in the coastal areas, where s...

Open access Research Article 10.9734/jerr/2020/v19i317234

Flux Shorting Mitigation on Semiconductor BGA Device through Process Design Enhancement

Antonio R. Sumagpang Jr., Edwin M. Graycochea Jr. & Frederick Ray I. Gomez · Journal of Engineering Research and Reports · 2020

With the new and upcoming technologies in semiconductor industry, packages like the ball grid array (BGA) are getting more challenging to process due to inherent issues that come along. Process improvement through modification in the design of indirect material is one key directi...

Open access Research Article 10.9734/jerr/2020/v19i317231

Design of Solar Blind Photodetectors for Communication with Green Signal (λ= 0.532µm) in Space. Part II

Samson Mil’ shtein & Dhawal Asthana · Journal of Engineering Research and Reports · 2020

The areas of Free Space Optical (FSO) communication and high-speed Visible Light Communication (VLC) offer potential for very high-speed data transmission. Favorable attributes including high frequency and wider bandwidths that can enable transmission speeds of the order 100Gb/s,...

Open access Research Article 10.9734/jerr/2020/v19i217227

Wirebond Process Optimization through Stitch Relocation on QFN Package

A. Moreno, E. Graycochea Jr. & F. R. Gomez · Journal of Engineering Research and Reports · 2020

One of the most challenging assembly manufacturing process in semiconductor industry is wirebond process using a wire as direct material. With this new technology, some issues were encountered during the first trial of a quad flat no-leads (QFN) package. This paper is focused on...

Open access Research Article 10.9734/jerr/2020/v19i217228

Optimal Placement and Sizing of Capacitors in Radial Distribution Systems: A Two-Stage Method

Sunday Adeleke Salimon, Abiodun Aderemi Baruwa, Saheed Oluwasina Amuda & Hafiz Adesupo Adeleke · Journal of Engineering Research and Reports · 2020

Optimal allocation of shunt capacitors in the radial distribution networks results in both technical and economic benefits. This paper presents a two-stage method of Loss Sensitivity Factor (LSF) and Cuckoo Search Algorithm (CSA) to find the optimal size and location of shunt cap...

Open access Research Article 10.9734/jerr/2020/v19i217229