Author:Dada, A; Popoola, P; Mathe, Ntombizodwa R; Adeosun, S; Aramide, ODate:Dec 2021In an optimization study, cracks were observed in the microstructures of laser-deposited HEAs on a steel baseplate from residual stresses, thus, the optimization of crack-free microstructures was achieved by the optimization of the laser ...Read more
Author:Purdon, Kyla; Van Niekerk, T; Phillips, R; Marais, Stephen TDate:Nov 2023Unmanned Aerial Vehicles (UAVs) have shown great potential for data collection and monitoring of areas. Sensors such as LiDARs and cameras can be used on UAVs for high-resolution data collection and used for various applications like Digital ...Read more
Author:Ramruthan, Kshir; Kuchwa-Dube, CDate:Nov 2023Disturbances experienced by an inspection robot can reduce the quality of its sensor measurements, which can in turn negatively affect the robot’s functionality. This research aimed to design a Parallel Kinematic Mechanism (PKM) for use as ...Read more
Author:Aramide, BP; Popoola, P; Sadiku, R; Jamiru, T; Pityana, Sisa LDate:Aug 2021Laser cladding is an additive manufacturing technology that can be utilized in surface strengthening, modification, and repair of components that are subjected to adverse working conditions. This can be accomplished by the addition of ...Read more
Author:Tshwane, David M; Modiba, Rosinah; Govender, Gonasagren; Ngoepe, PE; Chauke, RDate:Jan 2021Adsorption of halogen on the metal surface has received much attention due to its technological applications and major relevance for material surface processing, corrosion protection and etching. In this work, first-principle approach was ...Read more
Author:Tshwane, David M; Modiba, Rosinah; Govender, Gonasagren; Ngoepe, PE; Chauke, HRDate:Dec 2021Fluorine molecules and ions are used as an etchant for metal surface processing. The presence of fluorine significantly influences the electrochemical behaviour on a metal surface, which has major relevance for etching, corrosion, electro-catalysis ...Read more
Author:Nyadongo, ST; Olakanmi, EO; Pityana, Sisa LDate:Oct 2022Shafts, gears, axles and crankshafts, which are exposed to severe sliding wear environment, are made from wear resistant EN8 medium carbon steel. The wear resistance of EN8 can be enhanced by depositing it with laser cladding assisted with ...Read more
Author:Boloka, Tlou J; Crafford, Gerhardus J; Mokuwe, Mamuku W; Van Eden, BeatriceDate:Jan 2021Most developing countries suffer from inadequate health care facilities and a lack of medical practitioners as most of them emigrate to developed countries. The outbreak of the COVID-19 pandemic has left these countries more vulnerable to ...Read more
Author:Bester, Duwan CDate:Nov 2023Additive Manufacturing has widely been used in the aerospace industry. However, local uptake in the aerospace industry has been slow with mostly additively manufactured polymer parts being used. The Advanced High Performance Reconnaissance ...Read more
Author:De Ronde, Wiilis; Bosscha, Peter A; Marais, Stephen T; Pretorius, ADate:Nov 2023Due to the high prevalence and unpredictability of violent protest action in South Africa, a need has arisen for rapidly deployable surveillance. This paper proposes an Automated Robotic Guardian for Urban Surveillance (ARGUS) platform, a ...Read more
Author:Mokuwe, Mamuku W; Goorun, Yurisha; Crafford, Gerhardus JDate:Oct 2022This work presents a vision-based quality assurance system that does assembly line monitoring. The system is developed using machine learning hand tracking and object detection methods to monitor the worker’s hand movement while evaluating ...Read more
Author:Chauke, Sipho H; Ombinda-Lemboumba, Saturnin; Dube, FS; Mthunzi-Kufa, PatienceDate:Jan 2024Tuberculosis (TB) is one of the most prevalent infectious diseases globally. Although it is curable, several factors, such as the inappropriate use of treatment drugs lead to drug-resistant strains of TB. The burden of infection is ...Read more
Author:Mathabathe, Maria N; Bolokang, Amogelang SDate:May 2022Contemporary ways of employing and combining existing materials are a requisite for meeting tomorrow’s engineering applications. This is upscaled by the potent attributes of remaining competitive by keeping costs effective while advancing the ...Read more
Author:Thobakgale, Setumo L; Ombinda-Lemboumba, Saturnin; Mthunzi-Kufa, PatienceDate:Aug 2022The increase in demand for pharmaceutical treatments due to pandemic-related illnesses has created a need for improved quality control in drug manufacturing. Understanding the physical, biological, and chemical properties of APIs is an important ...Read more
Author:Naidoo, Thegaran; Verster, Jacobus J; Marais, Stephen TDate:Nov 2022A cloud-based road infrastructure analysis system was developed to assist as an information management system for detecting and managing information about road defects and road assets. The system uses computer vision and machine learning ...Read more
Author:Dada, M; Popoola, P; Mathe, Ntombizodwa R; Pityana, Sisa L; Adeosun, S; Aramide, ODate:Jun 2021Corrosion is a conservational occurrence that has a large economic impact on most metals and its alloys because it destroys and deteriorates most materials by an electrochemical process through the reaction of these materials with the ...Read more
Author:Van Eden, Beatrice; Botha, Natasha; Rosman, BDate:Nov 2023Spatial awareness is an important competence for a mobile robotic system. A robot needs to localise and perform context interpretation to provide any meaningful service. With the deep learning tools and readily available sensors, visual ...Read more