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Flight control system for a variable stability blended-wing-body unmanned aerial vehicle
(Stellenbosch : University of Stellenbosch, 2009-03)
This thesis presents the analysis, design, simulation and practical implementation of a
novel control system for a variable stability blended-wing-body unmanned aerial vehicle.
The aircraft has a moveable centre of mass ...
Fast accurate diphone-based phoneme recognition
(Stellenbosch : University of Stellenbosch, 2009-03)
Statistical speech recognition systems typically utilise a set of statistical models of subword
units based on the set of phonemes in a target language. However, in continuous
speech it is important to consider co-articulation ...
High-power broadband absorptive waveguide filters
(Stellenbosch : University of Stellenbosch, 2009-12)
ENGLISH ABSTRACT: This dissertation presents a synthesis method for broadband high-power absorptive microwave
lters by cascading a wide stop-band wa e-iron lter with an absorptive harmonic
pad.
The classical image ...
Hover control for a vertical take-off and landing vehicle
(Stellenbosch : University of Stellenbosch, 2009-03)
This thesis details the development and comparison of two linear control systems
that performhover control for a vertical take-off and landing unmanned
aerial vehicle.
A non-linear mathematical model of the aircraft ...
Impact assessment of energy-efficient lighting interventions
(Stellenbosch : University of Stellenbosch, 2009-12)
ENGLISH ABSTRACT: Energy-efficient (EE) lighting projects form a substantial percentage of Demand Side Management (DSM) initiatives. These largely entail the exchange of one lighting technology for another more energy-efficient ...
Image processing techniques for sector scan sonar
(Stellenbosch : University of Stellenbosch, 2009-12)
ENGLISH ABSTRACT: Sonars are used extensively for underwater sensing and recent advances
in forward-looking imaging sonar have made this type of sonar an appropriate
choice for use on Autonomous Underwater Vehicles. The ...