Author:Calitz, Joanne R; Wright, Jarrad GDate:Feb 2021This presentation provides statistics on utility-scale power generation in South Africa in 2020. Coal still dominates the South African energy mix whilst variable renewables surpassed nuclear energy contribution in 2020 by some margin. System ...Read more
Author:Gibberd, JDate:Sep 2016Existing city planning and implementation processes are ‘tried and tested’ and have proven to be a successful means of planning and implementing large-scale infrastructure projects in cities. However an increasing interest in developing more ...Read more
Author:Nice, Jako ADate:Jul 2020Humans spend up to 90% of their time in indoor built environments. There is recognition and academic consensus that architectural design impacts both the sources of the microbial communities, (via activity and mix of occupancy), and the ...Read more
Author:Skosana, Vusi J; Ngxande, MDate:Jan 2020Edge-preserving smoothing filters have been shown to improve generalisation performance on the HOG features with a SVM classifier. However, not all smoothing filters and parameters lead to better performance. The effects of smoothing filters ...Read more
Author:Lehong, C; Isong, B; Lugayizi, F; Abu-Mahfouz, Adnan MIDate:Nov 2020The Adaptive Data Rate (ADR) is used in LoRaWAN to ensure optimized data rates and transmission powers for static end devices. However, its implementation is still new, and therefore, its functionalities are limited. Multiple proposals have ...Read more
Author:Mathebula, I; Isong, B; Gasela, N; Abu-Mahfouz, Adnan MIDate:Nov 2020Software-Defined Wireless Sensor Networks (SDWSN) has received significant attention in recent years due to its inherent challenges such as network security, trust management, inefficient energy consumption, and so on. In particular, inefficient ...Read more
Author:Albertyn, J; Cheng, L; Abu-Mahfouz, Adnan MIDate:Nov 2020Increasing electricity prices in South Africa and the imminent threat of load shedding due to the overloaded power grid has led to a need for Demand Side Management (DSM) devices like smart grids. For smart grids to perform to their peak, ...Read more
Author:Dube, A; Semete-Makokotlela, Boitumelo; Ramalapa, Bathabile E; Reynolds, J; Boury, FDate:Mar 2021The increasing prevalence of drug resistant pathogenic strains, including multi drug resistant TB along with the growing HIV and malaria resistance demand new routes of innovation for pharmaceutical drug discovery. Nanomedicine provides the ...Read more
Author:Nelufule, Nthatheni; Mabuza-Hocquet, Gugulethu P; De Kock, Antonie JDate:Jan 2020In most biometric modalities, recognition and authentication methods for adults have already been fully designed, developed and commercially available. However, for infants and children who are the most vulnerable population to abduction, ...Read more
Author:Mtetwa, SN; Sibeko, N; Tarwireyi, P; Abu-Mahfouz, Adnan MIDate:Nov 2020LoRaWAN is one of the LPWAN technologies that has become popular in both industries and research. LoRaWAN aims to provide long-range communication and empowers lowpowered devices to last for years in the field. LoRaWAN relies on the symmetric ...Read more
Author:Botha, Natasha; Coetzer, R; Inglis, H; Labuschagne, JDate:Nov 2020Polymers are used in various industrial applications due to their ease of production, light weight and ductility. Adding fillers, such as clays, improves a range of thermo-mechanical properties, however manufacturing parameters may have an ...Read more
Author:Van Niekerk, Lara; Adams, JB; Taljaard, Susan; Huizinga, Piet; Lamberth, SDate:Feb 2020The early 1990s in South Africa were characterised by a strongly hierarchical and technocratic regime where planning and development decisions regarding the environment were made at national government level with little or no public consultation ...Read more
Author:Nice, Jako ADate:Nov 2020The Council for Scientific and Industrial Research (CSIR) has embarked on an innovation investigation through a ministerial initiative brought by the Department of Science and Technology Innovation (DSI). The Cofimvaba Science Centre was ...Read more
Author:Stoltz, George G; Nel, ALDate:Oct 2020In this paper, we improve image reconstruction in a single-pixel scanning system by selecting an detector optimal field of view. Image reconstruction is based on compressed sensing and image quality is compared to interpolated staring arrays. ...Read more
Author:Nice, Jako ADate:Oct 2019Studies indicate that an estimate eighty five percent of our time is spent indoors, with people sited as the main contributor of bacteria, and consequently pathogenic bacteria in indoor environments. This highlights the significance of the ...Read more
Author:Mvango, Sindisiwe; Mthimkhulu, N; Fru, PA; Pilcher, LA; Balogun, Mohammed ODate:Nov 2020Betulinic acid (BA) is a naturally occurring plant pentacyclic triterpenoid with activity against cancer and infectious diseases like malaria and AIDS. Its pharmacological activity is limited by low aqueous solubility and bioavailability. ...Read more