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Browsing by Supervisor "Theron, Nicolaas J."
Now showing items 1-15 of 15
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(University of Pretoria, 2016)The studies consist of two simulations of active tool vibration control and tool condition monitoring respectively and a hardware-in-the-loop laboratory demonstration of active tool vibration control typical to ...
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(University of Pretoria, 2006-01-11)It is argued that together with improved protection structures and energy dissipation systems, a favourable pilot position with sufficient support and restraint could reduce fatalities in aviation accidents. In this document ...
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(University of Pretoria, 2014)The work presented in this dissertation on piezoelectric inchworm motors (IWM) is part of a process to gain an understanding of the design, analysis and testing of this smart actuator technology. This work will form the ...
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(University of Pretoria, 2017)A gravimeter is an instrument that measures gravitational force Fg (N) or acceleration g (m/s-2). Absolute gravity measurements are preferred in metrology, due to the shortest traceability links to the SI base units of ...
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(University of Pretoria, 2017)Walking is the most common form of human locomotion and the systematic study thereof is known as gait analysis. Measurement and assessment thereof have application in many fields including clinical diagnosis, rehabilitation ...
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(University of Pretoria, 2006-07-28)An existing analytical model, in use by Spoornet for the past two decades for calculating rail stresses on railway track, was revisited and improved. The model provided engineers with an easy-to-use program for evaluating ...
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(University of Pretoria, 2017)Antiresonance vibration isolation has long been a well known, studied and applied method for alleviating vibrations in stiff structures where small static deflection and a low transmissibility is needed, making it ideal ...
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(University of Pretoria, 2014)Validated simulation models have become ever more important in the current technological and economic environment, where simulation is an integral part of the design process. In the field of vehicle dynamics, it is no ...
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(University of Pretoria, 2015)There is currently a need for large diameter flanges for the supply of water in South Africa. These large diameter pipe flanges are required to accommodate pipes with nominal bores of up to 4 m and should successfully ...
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(University of Pretoria, 2008-09-22)A handling quality investigation was performed on the swept gull-wing configuration. The swept gull-wing configuration is tailless and has a wing with a transition in the sweep and dihedral angle. An example of this type ...
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(University of Pretoria, 2016)Stabilised line of sight optical payloads for maritime vessels require variable platform conditions during the development, test and evaluation phases. A ship deck motion simulator is one means of generating such conditions ...
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(University of Pretoria, 2018)Legged robots hold the advantage on uneven and irregular terrain, where they exhibit superior mobility over other terrestrial, mobile robots. One of the fundamental ingredients in achieving this exceptional mobility on ...
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(University of Pretoria, 2011-03-17)This thesis examines the classic ride comfort vs. handling compromise when designing a vehicle suspension system. A controllable suspension system, that can, through the use of suitable control algorithms, eliminate this ...
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(University of Pretoria, 2010-09-20)The main aim of this research project is to extend theories of four-wheel-steering as developed by J. Ackermann to include an individually steered four-wheel steering system for passenger vehicles. Ackermann’s theories, ...
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(University of Pretoria, 2006-07-28)A need for a cost effective, versatile and easy to use suspension component testing method has arisen, following the development of a four-state hydro-pneumatic semi-active spring-damper system. A method known as ...
Now showing items 1-15 of 15