The Vehicle Routing Problem, which main objective is to find the lowest-cost set of routes to deliver goods to customers, has many applications in transportation services. In the past, costs have been mainly associated to the number of routes and the travel distance, however, in…
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The present thesis designs, implements and evaluates a channel for interaction between office and field users through a collaborative mixed reality system. This channel is aimed to be used for civil engineering purposes and is thus oriented toward the design and construction pha…
The development of the nonlinear version of the Continuous-time Generalised Predictive Control (NCGPC) is presented. Unlike the linear version, the nonlinear version is developed in state-space form and shown to include Nonlinear Generalised Minimum Variance (NGMV), and a new al…
Workflow management systems enable organisations to deal with all aspects of business process management, including analysis, modelling, execution, and administration. Modelling workflow processes involves transformation of the process logic into a formal representation and it a…
This thesis is concerned with automated personnel scheduling in healthcare organisations; in particular, nurse rostering. Over the past forty years the nurse rostering problem has received a large amount of research. This can be mostly attributed to its practical applications an…
This research considers the role of ergonomics in consumer safety. The aim was to encourage and improve the input of ergonomics, and thus safety, into the design process. The research has resulted in a series of publications targeted specifically at designers and producers of co…
Shading conveys information on 3-D shape and the process of recovering this information is called shape-from-shading (SFS). This thesis divides the process of human SFS into two functional sub-units (luminance disambiguation and shape computation) and studies them individually. …
This thesis summarises research into adaptive room correction for small rooms and pre-recorded material, for example music of films. A measurement system to predict the sound at a remote location within a room, without a microphone at that location was investigated. This would a…
The research presented in this thesis explores work on micro and nanoscale patterning and structuring, towards 3D patterning of surfaces. The undertaking of such work is key to the advancement in areas such as microelectronics, nanotechnology and device and sensor fabrication. C…
This thesis investigates the impact of computers and interactive whiteboards on the teaching of Design and Technology in Key Stage 2. Their use within education is having an influence upon the curriculum. Various investigations into the impact of Information and Communication Te…
Total hip replacement is one of the most common surgical procedures performed both in the UK and worldwide, with aseptic loosening cited as the primary reason for revision. Aseptic loosening is attributed to the wear debris generated by wear of the components. Recently, as great…
The presented thesis documents the investigation and development of the mathematical foundations for a novel knowledge-based system for surface texture (VitualSurf system). This is the first time that this type of novel knowledge-based system has been tried on surface texture kn…
In order to ensure quality of products and to facilitate global outsourcing, almost all the so-called “world-class” manufacturing companies nowadays are applying various tools and methods to maintain the consistency of a product’s characteristics throughout its manufacturing lif…
This thesis reports research into the specification and implementation of an Information Technology (IT) Route Map. The purpose of the Route Map is to enable rapid design and deployment of IT solutions capable of semi-automating business processes in a manufacturing enterprise. …
The aim of the research is to develop a methodological analysis of problems in the area of design for manufacture in low volume high complex products found in the writer’s workplace. The majority of research in this area has been around high volume products, such as automotive p…
This thesis proposes a new, highly generalised and fundamental, information-modelling framework called the TRM (Ternary Relations Model). The TRM was designed to be a model for converging a number of differing paradigms of information management, some of which are quite isolated…
In this thesis, GaAs heterostructure MOSFETs are investigated as a potential technology for digital circuit design. The devices under investigation are 0.6 μm gate length, enhancement mode, heterostructure MOSFETs, with a high-κ dielectric (Ga2O3), and an InGaAs channel. Histori…
Touchscreen mobile devices often use cut-down versions of desktop user interfaces placing high demands on the visual sense that may prove awkward in mobile settings. The research in this thesis addresses the problems encountered by situationally impaired mobile users by using cr…