This thesis explores the relationship between culture and human-centred design in Botswana, a topic on which there is little previous research. The pinnacle of good product innovation is when it is grounded on sensitive cultural analysis of users' culture; however, it has been observed that designers have not yet been able to encode cultural phenomena to the same extent as cognitive and physical human factors. The study develops a theoretical framework of cultural analysis, comparing traditional with contemporary socio-cultural factors that can be applied to designing products. The content analysis method was used to extract and synthesise traditional and contemporary socio-cultural factors from Botswana's cultural sources. An experimental study was undertaken in Botswana to investigate how socio-cultural factors can be integrated in product design, and the participants' challenge was to transfer and apply these into product features that reflect Botswana's culture. This data was analysed using the qualitative method of textual and visual content analysis. A culture-orientated design model has been proposed to assist designers to consciously integrate culture in their design practice. The framework demonstrates how to specify, analyse and integrate socio-cultural factors in the early stages of the design process by advancing local thought, content and solutions. It advances a new approach to design education, theory, research and practice. It emerged that culture can be used as a resource of information and a source of inspiration for product innovation that connects with users' traditions. The research findings show that culture-orientated products have meaningful content that reflects users' lifestyles as well as providing them with symbolic personal, social and cultural values, and that these aspects facilitate product acceptance.

As computational technology and new materials are entering the world of textiles, our view on the textile material is challenged; the areas of textiledesign and interaction design start to merge. Designing interactive textiles means communicating new expressional forms through textile material. This thesis aim to contribute to the exploration of designing interactive knitted textiles with focus on linking interactive properties, especially visual and tactile, to different ways of expressing them. Design examples and experiments presented are meant to show new possibilities for designing textile material able to change structure, colour and temperaturein different ways in response to environmental stimuli. As a way of presenting, and reflecting on, these interactive properties, a notion of expression diagrams is introduced. / <p>Photographs on pages 36, 37, 40, by Lars Hallnäs.</p><p>Other photographs by the authors and participants in the projects.</p>

The aim of the thesis is design and technological design of wing with significant reduction manual work and number of preparations in preparing part of structures. The first part of the work is to explanation the issues and machining metal parts forming wings and also the use of CAD systems. The next section describes several design proposals wings, strength test and compare price and weight of main girders with breams made of L-profiles. Followed by the technological process of production individual part design and control hems of sheet metal part design. The conclusion is dedicated to building assembler wings.

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Current electrical systems are faced with the limitation in performance by the electrical interconnect technology determining overall processing speed. In addition, the electrical interconnects containing many long distance interconnects require high power to drive. One of the best ways to overcome these bottlenecks is through the use of optical interconnect to limit interconnect latency and power. This research explores new computer-aided design algorithms for developing optoelectronic systems. These algorithms focus on place and route problems using optical interconnections covering system-on-a-chip design as well as system-on-a-package design. In order to design optoelectronic systems, optical interconnection models are developed at first. The CAD algorithms include optical interconnection models and solve place and route problems for optoelectronic systems. The MCNC and GSRC benchmark circuits are used to evaluate these algorithms.