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Theses and Dissertations (Electrical, Electronic and Computer Engineering): Recent submissions
Now showing items 21-40 of 453
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(University of Pretoria, 2023-03-31)In this work, a series-fed antenna is designed with beam-squint compensation. The horn array operates between 21.5 GHz and 23.5 GHz. Beam-squint compensation is designed into the array using time delay equalisation, thus ...
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(University of Pretoria, 2023)In this dissertation, a flotation circuit is controlled in simulation using an extremum seeking control (ESC) approach to optimize the flotation performance of the circuit using peak air recovery. Flotation is a separation ...
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(University of Pretoria, 2023)Auto-tuning of multi-input multi-output (MIMO) controllers of a bulk tailing treatment (BTT) surge tank is presented. Two controllers are selected for optimisation. The first controller is a decentralised proportional-integral ...
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(University of Pretoria, 2021)Greenhouse cultivation can increase crop yield and alleviate the food shortage caused by population growth and reduction of arable land. However, the greenhouse production process consumes lots of energy and water. The ...
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(University of Pretoria, 2022)Microgrids are gaining popularity due to their ability to integrate distributed renewable energy generation. In addition, direct current (DC) - based operation results in significantly higher operational efficiency. However, ...
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(University of Pretoria, 2022)The addition of a short-term energy-storage system in conjunction with the battery to reduce fuel consumption, reduce emissions, and increase the service life of the battery is considered. A quasi-static simulation approach ...
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(University of Pretoria, 2023)Detailed steady and transient state models of vapor compression (VC) systems have been suggested in this work so that the governing parameters of the refrigerant dynamics such as pressure, enthalpy and temperature could ...
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(University of Pretoria, 2022)The development of wireless technologies such as the Long Range Wide Area Network (LoRaWAN) protocol has enabled connectivity for a wide range of devices for optimisation and automation purposes. These types of technologies ...
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(University of Pretoria, 2023)Over the past few decades radar cross section (RCS) manipulation has become increasingly important. This increase in interest is due to the development and improvement of stealth technology. While many RCS manipulation ...
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(University of Pretoria, 2022)Virtual Reality (VR) allows the visualisation and exploration of detailed 3D environments. Recent advances in technology have made the use of VR more accessible for research and industry applications. VR is especially ...
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(University of Pretoria, 2022)In several quadcopter-related research work, the research mainly focuses on the image processing application and generally provides an inadequate description of the navigation and control of the quadcopter. While image ...
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(University of Pretoria, 2020)In the recent years there has been a great deal of attention on the optimal demand and supply side strategy. The increase in renewable energy sources and the expansion in demand response programmes has shown the need for ...
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(University of Pretoria, 2022)This study investigates the implementation of a controller strategy to emulate flare trajectories on a Hardware-in-the-loop Simulation (HILS) platform. Flares are employed as countermeasures in aerial defence systems and ...
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(University of Pretoria, 2022)Complex systems are in place for the localization and tracking of High Speed Trains. These methods tend to perform poorly under certain conditions. Localization using 5G infrastructure has been considered as an alternative ...
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(University of Pretoria, 2022)Power system restoration after a blackout incident requires an integrated effort between the generation, transmission and distribution utilities. Restoration planning of the South African interconnected power system (SA ...
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(University of Pretoria, 2021)Conventional receivers for high-frequency (HF) waveforms using phase-shift keying (PSK) or quadrature amplitude modulation (QAM) symbol mapping contain an equaliser to equalise channel effects and a forward error correction ...
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(University of Pretoria, 2015)Solar-blind Ultraviolet cameras are used to detect missile plumes and perform the detection of corona on high voltage electrical lines. This study investigates the influence of the spectral transfer function of a specific ...
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(University of Pretoria, 2021)Advanced driver-assistance systems (ADAS) are more prevalent in high-end vehicles than in low-end vehicles. The research proposes an alternative for drivers without having to wait years to gain access to the safety ADAS ...
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(University of Pretoria, 2021)Cell differentiation is a fundamental process in biology by which cells progress through different stages of maturation to become specialised cell types. Owing to the importance of understanding the process of cell ...
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(University of Pretoria, 2021)Underrating of underground cables could result in the drying out of the soil around the cable. This results in inferior cable performance and has potential negative environmental impacts. IEC 60287 is used for cable ...
Now showing items 21-40 of 453