Browsing Engineering, Built Environment and Information Technology by Supervisor "Sandrock, Carl"
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Browsing Engineering, Built Environment and Information Technology by Supervisor "Sandrock, Carl"
Now showing items 1-14 of 14
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(University of Pretoria, 2020)A mathematical model of a continuous Kraft wood digester was developed and tested. The model relies heavily on the work done previously by Christensen, Albright & Williams (1982). The batch Kraft digester model developed ...
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(University of Pretoria, 2018)Amoss is a generic equation-orientated stochastic simulation platform speci cally designed to facilitate the development and simulation of stochastic models, using Sasol's in-house MOSS methodology. In the current situation ...
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(University of Pretoria, 2021)Amoss is an equation-orientated stochastic simulation platform, developed on open-source software. It is designed to facilitate the development and simulation of Sasol value chain models using the Moss methodology. The ...
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(University of Pretoria, 2009-08-04)Fault detection and diagnosis presents a big challenge within the petrochemical industry. The annual economic impact of unexpected shutdowns is estimated to be $20 billion. Assistive technologies will help with the effective ...
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(University of Pretoria, 2015)
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(University of Pretoria, 2017)First-principle modelling of chemical processes and their unit operations has been of great interest in the chemical process, as well as the control and allied industries over the past decades. This is because it offers ...
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(University of Pretoria, 2008)There are many different types of gasifiers used for commercial or research purposes. These gasifier varieties differ in a number of ways, such as the direction of material flow or the physical chemical contact between the ...
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GPGPU-accelerated nonlinear state estimators : application to MPC-controlled bioreactor performance (University of Pretoria, 2021)Practical control problems are subject to dealing with instrumentation noise and inaccurate models. These can be modelled as measurement and state noise, respectively. Nonlinear state estimators, for example a particle ...
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(University of Pretoria, 2012)Plant efficiency and profitability are becoming increasingly important and operating at the most optimal point is a necessity. The definition of proper operational bounds on output variables such as product quality, ...
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(University of Pretoria, 2017)The thermal stability, fire retardancy and basic mechanical properties, as a function of the mass fractions of the poly(vinyl chloride) (PVC) compound ingredients, can be modelled using 2nd order Scheffé polynomials. The ...
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(University of Pretoria, 2013-01-10)Autogenous (AG) milling is utilised around the world for rst stage particle size reduction. The system exhibits highly non-linear behaviour in addition to being subject to unmeasured variability associated with most ore ...
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(University of Pretoria, 2018)Finding the source of a disturbance in complex systems such as industrial chemical processing plants can be a difficult task and require a significant amount of engineering hours. In many cases, a systematic elimination ...
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(University of Pretoria, 2011)The models used by model predictive controllers (MPCs) to predict future outcomes are usually unconstrained forms like impulse or step responses and discrete state space models. Certain MPC algorithms allow constraints to ...
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(University of Pretoria, 2012)Process operators often have process faults and alarms due to recurring failures on process equipment. It is also the case that some processes do not have enough input information or process models to use conventional ...
Now showing items 1-14 of 14