African University of Science and Technology: Recent submissions
Now showing items 781-800 of 4824
-
Collaboration between designers and scientists in the context of scientific research
(University of CambridgeDepartment of EngineeringInstitute for Manufacturing (IfM), 2013-10-08)Collaboration between Designers and Scientists in the Context of Scientific Research This thesis presents the results of a research project that examines collaboration between product designers and scientific researchers. ...
-
Automatic Transcription of Multi-genre Media Archives
(2013)This paper describes some recent results of our collaborative work on developing a speech recognition system for the automatic transcription or media archives from the British Broadcasting Corporation (BBC). The material ...
-
Mean reaction rate closures for nanoparticle formation in turbulent reacting flow
(University of CambridgeDepartment of Chemical Engineering and Biotechnology, 2012-11-08)This thesis investigates mean reaction rate closures for turbulent reacting flow. The closures model the mean rate of reaction in the flow and are applied to simulations of nanoparticle formation. The simulations couple ...
-
Understanding environmental performance variation in manufacturing companies
(EmeraldInternational Journal of Productivity and Performance Management, 2013)Sustainability is an area of increasing interest for industry and its stakeholders, and some companies now aspire to address sustainability issues (e.g. carbon emissions) at strategic and operational levels. As companies ...
-
-
Control for transient response of turbocharged engines
(University of CambridgeDepartment of Engineering, 2013-07-09)The concepts of engine downsizing and down-speeding offer reductions in CO2 emissions from passenger cars. These reductions are achieved by reducing pumping and friction losses at part-load operation. Conventionally, rated ...
-
Technology acquisition: sourcing technology from industry partners
(University of CambridgeDepartment of EngineeringCentre for Technology Management, 2013-07-09)This thesis describes the conditions that influence technology acquisition when an industry partner is involved. The objective of this thesis is to contribute to the knowledge regarding the conditions that affect effective ...
-
Modelling the vibration of tyre sidewalls
(ElsevierJournal of Sound and Vibration, 2013)
-
Modelling of friction stir spot welding
(University of CambridgeDepartment of EngineeringSidney Sussex CollegeTrinity Hall, 2013-07-09)Friction stir spot welding (FSSW) is a solid-state welding process which is especially useful for joining precipitation-hardened aluminium alloys that undergo adverse property changes during fusion welding. It also has ...
-
Response of piled buildings to the construction of deep excavations
(IOS PressUniversity of CambridgeDepartment of EngineeringJesus CollegeDeltares, 2013-04-30)Trends in the construction of deep excavations include deeper excavations situated closer to buildings. This research provides insight into mechanisms of soil-structure interaction for piled buildings adjacent to deep ...
-
Mechanics of biomimetic materials for tissue engineering of the intervertebral disc
(University of CambridgeDepartment of Engineering, 2013-04-16)Tissue engineering offers a paradigm shift in the treatment of back pain. Engineered intervertebral discs could replace degenerated tissue and overcome the limitations of current treatments that disrupt the biomechanics ...
-
Large eddy simulation of primary liquid-sheet breakup
(University of CambridgeDepartment of Engineering, 2012-11-13)This research project aims at providing the aeronautical industry with a modelling capability to simulate the fuel injection in gas turbine combustion chambers. The path to this objective started with the review of ...
-
Cross-sector policy research: insights from the UK energy and transport sectors
(University of CambridgeDepartment of Engineering, 1993-10-26)Following established traditions in anthropology and sociology, where cross-border research helps to identify important themes which benefit from comparative study, this dissertation introduces cross-sector policy research ...
-
Essays on electricity market reforms: a cross-country applied approach
(University of CambridgeJudge Business School, 2013-06-11)In the last two decades, more than half of the countries in the world have introduced a reform process in their power industries and billions of dollars have been spent on liberalizing electricity markets around the world. ...
-
Analysis of amorphous indium-gallium-zinc-oxide thin-film transistor contact metal
(AIP Publishing LLCApplied Physics Letters, 2013-04-15)It is widely reported that threshold voltage and on-state current of amorphous indiumgallium- zinc-oxide bottom-gate thin-film transistors is strongly influenced by the choice of source/drain contact metal. Electrical ...
-
Colour videos with depth : acquisition, processing and evaluation
(University of Cambridge, 2012-03-06)The human visual system lets us perceive the world around us in three dimensions by integrating evidence from depth cues into a coherent visual model of the world. The equivalent in computer vision and computer graphics ...
-
Gas-sensitive holographic sensors
(University of CambridgeDepartment of Chemical Engineering and BiotechnologyInstitute of Biotechnology, 2013-04-16)Holographic sensors are photonic layered structures contained in analyte sensitive lms that upon illumination produce monochromatic reflections (λ). The present work reports the fabrication of oxygen and ammonia sensors ...
-
Automatic induction of verb classes using clustering
(University of CambridgeFaculty of Computer Science and TechnologyComputer Laboratory, 2013-04-30)Verb classifications have attracted a great deal of interest in both linguistics and natural language processing (NLP). They have proved useful for important tasks and applications, including e.g. computational lexicography, ...
-
Autoregressive models for statistical parametric speech synthesis
(IEEE (Institute of Electrical and Electronics Engineers), 2013-03)We propose using the autoregressive hidden Markov model (HMM) for speech synthesis. The autoregressive HMM uses the same model for parameter estimation and synthesis in a consistent way, in contrast to the standard approach ...
-
Fast, low-artifact speech synthesis considering global variance
(IEEE (Institute of Electrical and Electronics Engineers), 2013-05-27)Speech parameter generation considering global variance (GV generation) is widely acknowledged to dramatically improve the quality of synthetic speech generated by HMM-based systems. However it is slower and has higher ...
