The objectives of this paper are twofold: to identify engineering designers utilization of Design for Environment (DfE) methods and tools, and to investigate what basic design-related requirements a DfE method or tool should fulfill in order to become actively used in industry among engineering designers. Most of the requirements for designers are related to their aims of fulfilling product performance and minimizing development time. There are four major requirements that a DfE method or tool, as well as a common method or tool, must exhibit. First, it must be easy to adopt and implement; second, it must facilitate designers to fulfill specified requirements on the presumptive product. Third, it must reduce the risk that important elements in the product development phase are forgotten. The two latter requirements relate to a method or tool's degree of appropriateness, but also to the fourth requirement, which is considered here the most important: that the use of the method or tool must reduce the total calendar time (from start to end) to solve the task. The conclusion is that DfE methods and tools must be designed to better comply with its main users - in this case the designers

<p>Given a special focus on Design for Environment (DfE) methods and tools, the objectives of this thesis are to, <i>“Identify basic design-related requirements that a method or tool should fulfill in order to become actively used by engineering designers”</i>, and to <i>“Investigate how those basic requirements could be used to make DfE methods and tools more actively used in industry among engineering designers”</i>.</p><p>The research has shown that designers in general have three main purposes for utilizing methods and tools, of which the last two could be seen as subsets of the first one. The purposes are to: (1) <i>facilitate various kinds of communication within the product development process;</i> (2)<i> integrate knowledge and experience into the methods and tools as a know-how backup;</i> and (3) contribute with structure in the product development process. The low degree of follow-up implies a risk that methods and tools are used that affect the work within the company in a negative way. In order to be able to better follow-up methods and tools regarding both their utilization and usefulness, there is a need for a better definition of requirements for methods and tools.</p><p>Most of all designers’ related requirements are related to their’ aims to fulfill the product performance and keep down the development time. This can be concluded as four major requirements, that a DfE method or tool, as well as a common method or tool, must exhibit: (1)<i> be easy to adopt and implement, </i>(2)<i> facilitate designers to fulfill specified requirements on the presumptive produc</i>t, and at the same time (3) <i>reduce the risk that important elements in the product development phase are forgotten</i>. Both these two latter requirements relate to a method or tool’s degree of appropriateness. The second and the third requirements are related to the fourth requirement, which is found to be the most important: that the use of the method or tool (4)<i> must reduce the total calendar time (from start to end) to solve the task.</i> The conclusion is that DfE methods and tools must be designed to comply to a higher degree with the main users - in this case the designers’ requirements for methods and tools</p>

While 3D digital design tools have extended the reach of architectural and engineering designers within their own domains, restrictions on the use of the tools and an approach to practice whereby the architect designs (synthesises) and the engineer solves (analyses) - in that order ¡V have limited the opportunities for interdependent modes of interaction between the two disciplines during the early design phase. While it is suggested that 3D digital design tools can facilitate a more integrated approach to design exploration, this idea remains largely untested in practice. The central proposition of my research is that that 3D digital tools can enable interdependencies between crucial aspects of architectural and engineering design exploration during the early design phase which, before the entry of the computer, were otherwise impossible to affect. I define interdependency as a productive form of practice enabled by mutual and lateral dependence. Interdependent parties use problem solving processes that meet not only their own respective goals, but also those of others, by constructively engaging difference across their boundaries to actively search for solutions that go beyond the limits of singular domains. Developed through practice-based project work undertaken during my 3 year postgraduate internship within the Melbourne Australia office of the engineering firm Arup, my research explores new and improved linkages between early design exploration, analysis and making. The principal contribution of my research is to explore this problem from within the context, conditi ons and pressures of live practice. To test the research proposition this dissertation engages firstly with available literature from the fields of organisation theory and design, secondly with information gathered from experts in the field principally via interview, and lastly with processes of testing through practice-based (as opposed to university-based) project work. The dissertation is organized as follows: The Introductory Chapter outlines the central hypothesis, the current state of the discourse, and my motivations for conducting this research. I summarise the structure of my research, and the opportunities and limitations that have framed its ambitions. Chapter Two, Approach to Research and Method, details the constraints and possibilities of the Embedded Research within Architectural Practice context, within which this work has been undertaken, and describes the Melbourne office of Arup, the practice with whom I have been embedded. These contexts have led to the selection of a particular set of ethnographic research instruments, being the use of semi-structured interviews and the undertaking of practice-based studies as a participant-observer. These modes of testing are explained, and the constraints, limitations and requirements associated with them described. Within Chapter Three, Factors for Separation and Integration in Architectural and Engineering Design, I examine selected design literature to detail several factors impacting upon the historic and contemporary relationship between architects and engineers, and to introduce the problem towards which this thesis is addressed. I describe a process of specialisation that has led architects and engineers to see different aspects of a common problem, detail the historical factors for separation, the current relationship between domains and the emerging idea of increased integration during the early design phase. The aim of this section is primarily contextual - to introduce the characters and to understand why their interaction can be difficult - and investigation occurs through the concepts of specialisation and disciplinary roles. Chapter Four, Unravelling Interdependency, establishes an understanding of interdependency through the concept of collaboration. While I differentiate interdependency from collaboration because of the inconsistent manner in which the latter term is employed, the concept of collaboration is useful to initialise my understanding of interdependency because it, as opposed to the closely linked processes of cooperation and coordination, is recognised as being characterised by interdependency, and in fact is a viewed as a response specific to wider conditions of interdependency. From the literature, I identify four sites of intersection crucial to an understanding of interdependency; these are differing perceptions, shared and creative problem solving, communication and trust. These themes, which correlate with my practice experience at Arup Melbourne, are developed to introduce the concepts and vocabulary underlying my research. Chapter Five, Intersections & Interdependency between Architects and Engineers, grounds these four sites of intersection within contemporary issues of digital architectural and engineering practice. Each site is developed firstly through reference to design literature and secondly through the experiences and understandings of senior Arup practitioners as captured through my interviews. The views and experiences of these practitioners are used to locate digital limits to, and potential solutions for, interdependent design exploration between architects and engineers as they are experienced within and by practice. Through this combination of design literature and grounded experience, I extend: * the understanding of differing perceptions through reference to problems associated with digital information transfer. * the understanding of joint and creative problem solving by connecting it to the notion of performance-based design. * the understanding of communication by focussing it upon the idea of back propagating design information. * the understanding of trust by connecting it to the management and reduction of perceived complexity and risk. Chapter Six, Testing through Projects, details the project studies undertaken within this research. These studies are grouped into three discourses, characterized as Design(Arch)Design(Eng), Design|Analysis and Design|Making. As suggested by the concurrency operator that separates the two terms that constitute each of the three labels, each discourse tests how architectural and engineering explorations might execute in parallel. The section Design(Arch)|Design(Eng) reports projects that use a common language of geometry to link architectural and engineering design ideas through geometric interpretation. The section Design|Analysis reports projects in which analytical tools have been used generatively to actively guide and synthesise design exploration. The final section, Design|Making, reports projects in which the architectural and engineering design processes are synthesised around the procurement of fabrication information. Conclusions are then drawn and discussed in Chapter Seven. In evaluating the research I discuss how 3D digital design tools have enabled alternative approaches that resolve issues associated with differing perceptions, establishing common meanings, communication and trust. I summarise how these approaches have enabled increased interdependency in architect engineer interaction. Lastly, I draw together the impacts of intersecting 3D digital aspects of architectural and engineering design exploration during the early design phase, and indicate those aspects that require further analysis and research.

This thesis presents an extension of the contemporaryengineering design theory towards a unified view onsimultaneous development of products and manufacturing systems,i.e. concurrent engineering. The traditional engineering design theory explains therealization of a product design as a development of productstructure from four perspectives: technical process, function,technical solution, and physical embodiment. This thesisextends the engineering design theory with a set of definitionsand universal statements. These definitions and universalstatements describe manufacturing systems from same fourperspectives. In that context they also describe therelationship between a product and its manufacturing system.The thesis contributes to the creation of a single theoreticalsystem based on an integration of theories from two engineeringdesign schools, the WDK and the Axiomatic Design. WDKtheoriesare in this new context utilized for qualitative synthesis ofthe developed artifacts, while the Axiomatic Design is utilizedfor structuring and analyzing the corresponding quantitativeparameters. The definitions and universal statements describe thedevelopment structures for productsand manufacturing systems.This description is utilized for definition of a system fordevelopment of these structures, i.e. (i) a stage-gate-basedmanufacturing system development process, (ii) a developmentmethodology toolbox, and (iii) an information managementframework consisted of an information model harmonized with thesystems engineering data management standard STEP AP 233. The research has been carried out in a close collaborationwith Swedish manufacturing industry. The utilized researchmethodology is the hypothetic- deductive method, with casestudy as an observation method. Keywords:Concurrent Engineering, Engineering Design,Development Methods and Tools, Manufacturing System,Information Management.

Given a special focus on Design for Environment (DfE) methods and tools, the objectives of this thesis are to, “Identify basic design-related requirements that a method or tool should fulfill in order to become actively used by engineering designers”, and to “Investigate how those basic requirements could be used to make DfE methods and tools more actively used in industry among engineering designers”. The research has shown that designers in general have three main purposes for utilizing methods and tools, of which the last two could be seen as subsets of the first one. The purposes are to: (1) facilitate various kinds of communication within the product development process; (2) integrate knowledge and experience into the methods and tools as a know-how backup; and (3) contribute with structure in the product development process. The low degree of follow-up implies a risk that methods and tools are used that affect the work within the company in a negative way. In order to be able to better follow-up methods and tools regarding both their utilization and usefulness, there is a need for a better definition of requirements for methods and tools. Most of all designers’ related requirements are related to their’ aims to fulfill the product performance and keep down the development time. This can be concluded as four major requirements, that a DfE method or tool, as well as a common method or tool, must exhibit: (1) be easy to adopt and implement, (2) facilitate designers to fulfill specified requirements on the presumptive product, and at the same time (3) reduce the risk that important elements in the product development phase are forgotten. Both these two latter requirements relate to a method or tool’s degree of appropriateness. The second and the third requirements are related to the fourth requirement, which is found to be the most important: that the use of the method or tool (4) must reduce the total calendar time (from start to end) to solve the task. The conclusion is that DfE methods and tools must be designed to comply to a higher degree with the main users - in this case the designers’ requirements for methods and tools / QC 20101021

<p>This thesis presents an extension of the contemporaryengineering design theory towards a unified view onsimultaneous development of products and manufacturing systems,i.e. concurrent engineering.</p><p>The traditional engineering design theory explains therealization of a product design as a development of productstructure from four perspectives: technical process, function,technical solution, and physical embodiment. This thesisextends the engineering design theory with a set of definitionsand universal statements. These definitions and universalstatements describe manufacturing systems from same fourperspectives. In that context they also describe therelationship between a product and its manufacturing system.The thesis contributes to the creation of a single theoreticalsystem based on an integration of theories from two engineeringdesign schools, the WDK and the Axiomatic Design. WDKtheoriesare in this new context utilized for qualitative synthesis ofthe developed artifacts, while the Axiomatic Design is utilizedfor structuring and analyzing the corresponding quantitativeparameters.</p><p>The definitions and universal statements describe thedevelopment structures for productsand manufacturing systems.This description is utilized for definition of a system fordevelopment of these structures, i.e. (i) a stage-gate-basedmanufacturing system development process, (ii) a developmentmethodology toolbox, and (iii) an information managementframework consisted of an information model harmonized with thesystems engineering data management standard STEP AP 233.</p><p>The research has been carried out in a close collaborationwith Swedish manufacturing industry. The utilized researchmethodology is the hypothetic- deductive method, with casestudy as an observation method.</p><p><b>Keywords:</b>Concurrent Engineering, Engineering Design,Development Methods and Tools, Manufacturing System,Information Management.</p>

As empresas historicamente voltadas à produção de bens manufaturados têm enfrentado uma série de desafios ao longo das últimas décadas. Notadamente o acirramento da competitividade nos diversos mercados tem contribuído para com que diversos produtos sejam transformados em commodities com qualidade e desempenho similares. A disputa entre os players deixa de ser baseada em liderança tecnológica e tende a se resumir à busca por menores custos de produção. Paralelamente, cresce a consciência em diversos atores da sociedade em relação às questões ambientais e, consequentemente, a pressão sobre as indústrias para que contribuam com a criação de uma sociedade mais sustentável. A criação de pacotes que combinam produtos e serviços para entregar valor em uso ou via realização de uma função é uma estratégia que tem sido estudada para contornar os desafios citados. A criação e oferta de um Sistema Produto-Serviço (PSS &#8211; do inglês Product-Service System) por uma empresa de manufatura tem potencial para contribuir nas três perspectivas da sustentabilidade, mas traz alguns desafios. O desenvolvimento de produtos e de serviços deve ser feito de forma integrada, considerando seus relacionamentos e, muitas vezes, o modelo de negócios da empresa acaba sendo modificado. Para contornar os desafios relacionados ao desenvolvimento, existem modelos genéricos de processo de desenvolvimento de PSS propostos para que as empresas definam seus próprios modelos específicos. Esses modelos foram propostos para diferentes contextos de desenvolvimento e normalmente carregam os vieses de seus autores, apresentando pontos fortes e limitações. O presente trabalho tem como objetivo propor um framework para definir modelos de processos específicos de desenvolvimento de Sistemas Produto-Serviço. Para tanto este trabalho utiliza o paradigma do método hipotético-dedutivo e a abordagem metodológica DRM (Design Research Methodology). Os métodos de pesquisa utilizados são: painel de especialistas, linguística de corpus e semântica de frames, focus group, estudo de caso, revisão bibliográfica sistemática e análise de conteúdo. Foi possível obter três contribuições inéditas: um conjunto de 310 atividades-síntese; a análise de 15 modelos de processo de desenvolvimento de PSS; e o framework propriamente dito. As duas primeiras são contribuições à teoria. As atividades-síntese correspondem a todas as atividades de desenvolvimento de PSS previstas nos modelos de processo de desenvolvimento de PSS disponíveis na literatura, constituindo seu estado da arte. A análise dos modelos de processo evidenciou objetivamente os seus diferentes perfis, com cada modelo priorizando determinadas categorias de atividades em detrimento de outras. O framework criado foi testado em dois projetos de desenvolvimento de PSS em duas startups, e constitui uma contribuição aos praticantes nas indústrias, que podem utilizá-lo para definir seus modelos de processos específicos de desenvolvimento de PSS a partir de uma base mais abrangente de atividades que em qualquer um dos 15 modelos genéricos analisados. / Companies historically focused on the production of manufactured goods have faced a number of challenges over the past few decades. Notably, the intensification of competitiveness in the various markets has contributed to the transformation of various products into commodities of similar quality and performance. The dispute between players ceases to be based on technological leadership and tends to be limited to the search for lower production costs. At the same time, rises the awareness of various actors in society regarding environmental issues and, consequently, the pressure on industries to contribute to the creation of a more sustainable society. The creation of products and services bundles to deliver value in use or through the performance of a function is a strategy that has been studied to overcome the aforementioned challenges. The creation and offering of a Product-Service System (PSS) by a manufacturing company has the potential to contribute to the three perspectives of sustainability, but it also poses some challenges. The development of products and services must be done in an integrated way, considering their relationships and, often, the company\'s business model has to be changed. In order to overcome the development challenges, there are generic PSS development process models proposed for companies to define their own specific models. These models have been proposed for different development contexts and usually carry the biases of their authors, thus presenting strengths and limitations. The present work aims to propose a framework for defining specific process models to develop Product-Service Systems. For this, this work uses the paradigm of the hypothetical-deductive method and the DRM (Design Research Methodology) methodological approach. The research methods used are: experts\' panel, corpus linguistics and frame semantics, focus group, case study, systematic literature review and content analysis. It was possible to obtain three unpublished contributions: the set of 310 synthesis activities; the analysis of the 15 PSS development process models; and the framework itself. The first two are contributions to theory. The synthesis activities correspond to all the PSS development activities prescribed by the PSS development process models available in the literature, constituting its state of the art. The analysis of the process models objectively evidenced their different profiles, with each model prioritizing certain categories of activities in comparison to others. The framework created was applied to two PSS design project in two startups, being a contribution to practitioners in industries that can use it to define their specific PSS development processes models from a broader base of activities than in any of the 15 generic models analyzed.

Les dernières années ont connu une grande évolution dans la technologie de fabrication des circuits intégrés. Ces derniers sont de plus en plus complexes. Ils intègrent des parties dites logicielles (processeurs + programmes) et des parties matérielles dédiées ou spécifiques de calcul ou de mémorisation. <br />De nombreuses applications dans les domaines du multimédia et des télécommunications sont apparues. Elles nécessitent l'intégration de mémoires de différents types et tailles dans ces modèles d'architectures multiprocesseurs. Dans ces applications embarquées, les performances du système sont étroitement liées à celles de la partie mémoire. Celle-ci occupe plus de 90% de la surface du système, et la consommation en énergie ainsi que les performances temporelles du système sont essentiellement dues au stockage et à l'échange de données entre les différents composants. <br />Avec cette présence croissante de la mémoire dans les systèmes monopuce, on note de nos jours l'absence d'une méthodologie systématique et optimisée pour la conception de tels systèmes avec une architecture mémoire spécifique. <br />Nous proposons dans cette thèse un flot de conception d'une architecture mémoire spécifique pour les systèmes monopuce. L'architecture mémoire est obtenue avec une méthode exacte basée sur un modèle de programmation linéaire en nombres entiers. Ce modèle permet d'obtenir une architecture mémoire distribuée partagée optimale pour l'application, minimisant le coût global des accès aux données partagées et le coût de la mémoire. On réalise ensuite automatiquement les transformations de l'architecture et du code de l'application en fonction de l'architecture mémoire choisie. Cette nouvelle spécification système (architecture + code applicatif) reste simulable.<br />La faisabilité et les performances de ce flot ont été testées sur l'application du VDSL.

The objective of this study is to find out how and why Small to Medium sized Enterprises (SME’s) practice ecodesign. This problem is investigated by conducting seven qualitative interviews with spokesmen from ecodesigning SME’s in The Netherlands. The motivations for the researched SME’s to practice ecodesign are that there are new business opportunities, that it improves the corporate image, that they have a desire to change production to benefit the environment, and out of (expected) governmental legislation. In this thesis it was found that the researched SME’s get their knowledge to ensure that their products are sustainable firstly from their employees. They also apply the method of trial and error, they consult scientific publications, suppliers, and on sustainability events. The Life Cycle Assessment was the only scientific method or tool that was used by the businesses of the respondents. The benefits of practicing ecodesign for the SME’s are that the demand for ecodesigned products is growing, that it improves the corporate image of the company, that it improves business to business relations, that it increases the loyalty of employees to their businesses through working on values that are important to them, and that it provides a new base for innovative ideas. Obstacles to practicing ecodesign seem to be that trade-offs have to be made and that consumers perceive that the ecodesigned products are overpriced.

As empresas historicamente voltadas à produção de bens manufaturados têm enfrentado uma série de desafios ao longo das últimas décadas. Notadamente o acirramento da competitividade nos diversos mercados tem contribuído para com que diversos produtos sejam transformados em commodities com qualidade e desempenho similares. A disputa entre os players deixa de ser baseada em liderança tecnológica e tende a se resumir à busca por menores custos de produção. Paralelamente, cresce a consciência em diversos atores da sociedade em relação às questões ambientais e, consequentemente, a pressão sobre as indústrias para que contribuam com a criação de uma sociedade mais sustentável. A criação de pacotes que combinam produtos e serviços para entregar valor em uso ou via realização de uma função é uma estratégia que tem sido estudada para contornar os desafios citados. A criação e oferta de um Sistema Produto-Serviço (PSS &#8211; do inglês Product-Service System) por uma empresa de manufatura tem potencial para contribuir nas três perspectivas da sustentabilidade, mas traz alguns desafios. O desenvolvimento de produtos e de serviços deve ser feito de forma integrada, considerando seus relacionamentos e, muitas vezes, o modelo de negócios da empresa acaba sendo modificado. Para contornar os desafios relacionados ao desenvolvimento, existem modelos genéricos de processo de desenvolvimento de PSS propostos para que as empresas definam seus próprios modelos específicos. Esses modelos foram propostos para diferentes contextos de desenvolvimento e normalmente carregam os vieses de seus autores, apresentando pontos fortes e limitações. O presente trabalho tem como objetivo propor um framework para definir modelos de processos específicos de desenvolvimento de Sistemas Produto-Serviço. Para tanto este trabalho utiliza o paradigma do método hipotético-dedutivo e a abordagem metodológica DRM (Design Research Methodology). Os métodos de pesquisa utilizados são: painel de especialistas, linguística de corpus e semântica de frames, focus group, estudo de caso, revisão bibliográfica sistemática e análise de conteúdo. Foi possível obter três contribuições inéditas: um conjunto de 310 atividades-síntese; a análise de 15 modelos de processo de desenvolvimento de PSS; e o framework propriamente dito. As duas primeiras são contribuições à teoria. As atividades-síntese correspondem a todas as atividades de desenvolvimento de PSS previstas nos modelos de processo de desenvolvimento de PSS disponíveis na literatura, constituindo seu estado da arte. A análise dos modelos de processo evidenciou objetivamente os seus diferentes perfis, com cada modelo priorizando determinadas categorias de atividades em detrimento de outras. O framework criado foi testado em dois projetos de desenvolvimento de PSS em duas startups, e constitui uma contribuição aos praticantes nas indústrias, que podem utilizá-lo para definir seus modelos de processos específicos de desenvolvimento de PSS a partir de uma base mais abrangente de atividades que em qualquer um dos 15 modelos genéricos analisados. / Companies historically focused on the production of manufactured goods have faced a number of challenges over the past few decades. Notably, the intensification of competitiveness in the various markets has contributed to the transformation of various products into commodities of similar quality and performance. The dispute between players ceases to be based on technological leadership and tends to be limited to the search for lower production costs. At the same time, rises the awareness of various actors in society regarding environmental issues and, consequently, the pressure on industries to contribute to the creation of a more sustainable society. The creation of products and services bundles to deliver value in use or through the performance of a function is a strategy that has been studied to overcome the aforementioned challenges. The creation and offering of a Product-Service System (PSS) by a manufacturing company has the potential to contribute to the three perspectives of sustainability, but it also poses some challenges. The development of products and services must be done in an integrated way, considering their relationships and, often, the company\'s business model has to be changed. In order to overcome the development challenges, there are generic PSS development process models proposed for companies to define their own specific models. These models have been proposed for different development contexts and usually carry the biases of their authors, thus presenting strengths and limitations. The present work aims to propose a framework for defining specific process models to develop Product-Service Systems. For this, this work uses the paradigm of the hypothetical-deductive method and the DRM (Design Research Methodology) methodological approach. The research methods used are: experts\' panel, corpus linguistics and frame semantics, focus group, case study, systematic literature review and content analysis. It was possible to obtain three unpublished contributions: the set of 310 synthesis activities; the analysis of the 15 PSS development process models; and the framework itself. The first two are contributions to theory. The synthesis activities correspond to all the PSS development activities prescribed by the PSS development process models available in the literature, constituting its state of the art. The analysis of the process models objectively evidenced their different profiles, with each model prioritizing certain categories of activities in comparison to others. The framework created was applied to two PSS design project in two startups, being a contribution to practitioners in industries that can use it to define their specific PSS development processes models from a broader base of activities than in any of the 15 generic models analyzed.