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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
141

APPLICATION OF ARTIFICIAL NEURAL NETWORK TECHNIQUES FOR DESIGN OF MODULAR MINICELL CONFIGURATIONS

Goyal, Arvind 01 January 2008 (has links)
Artificial neural networks, so far, have not been used for designing modular cells. Therefore, Self-organizing neural network (SONN) is used in the present research to design minicell-based manufacturing system. Two previously developed methods were studied and implemented using SONN model. Results obtained are compared with previous results to analyze the effectiveness of SONN in designing minicells. A new method is then developed with the objective to design minicells more effectively and efficiently. Results of all three methods are compared using machine-count and materialhandling as performance measuring criteria to find out the best method
142

AN INTEGRATED FRAMEWORK FOR APPLYING LEAN MANUFACTURING AND OTHER STRATEGIES IN MASS CUSTOMIZATION ENVIRONMENTS

Stump, Gregory Brandon 01 January 2008 (has links)
Manufacturing organizations are facing fragmented markets and increased demand of variety from consumers. As a result, many of these firms have adopted mass customization manufacturing strategies in an effort to offer their customers the freedom of choice while maintaining operational efficiency. Lean manufacturing strategies have also seen heavy use in manufacturing environments. This study investigates the possibilities of integrating lean manufacturing principles and practices into mass customization environments in order to improve system performance. The feasibility of other manufacturing strategies such as agility, Quick Response Manufacturing and the Theory of Constraints assisting in the application of lean manufacturing for mass customization is also explored with the goal of developing a theoretical framework for the application of these manufacturing systems in different types of mass customization environments. The result of these investigations is tested and verified using a real world case study.
143

Digital process : integration of digital fabrication in architectural craft of Nepal

Baniya, Deepak 07 July 2011 (has links)
Nepalese architectural craft production still relies on traditional hand tools and an ancient process, despite the intense labor and time requirements to produce traditional craft. This thesis examines the underlying issues inherent in the making of traditional crafts, and proposes an integration of modern digital fabrication tools and production processes that support a fast, economical process from design to production and integrating contemporary digital practices in the creation of ornamentation and carvings. / Department of Architecture
144

Distributed control synthesis for manufacturing systems using customers' decision behaviour for mass customisation.

Walker, Anthony John. January 2013 (has links)
The mass customisation manufacturing (MCM) paradigm has created a problem in manufacturing control implementation, as each individual customer has the potential to disrupt the operations of production. The aim of this study was to characterise the manufacturing effects of customers’ decisions in product configuration, in order to research steady state control requirements and work-in-process distributions for effective MCM operations. A research method involving both analytic and empirical reasoning was used in characterising the distributed control environment of manufacturing systems involved in MCM. Sequences of job arrivals into each manufacturing system, due to customers’ decisions in product configuration, were analysed as Bernoulli processes. A customer model based on this analysis captured the correlation in product configuration decisions over time. Closed form analytic models were developed from first principles, which described the steady state behaviour of flow controlled manufacturing systems under generalised clearing policy and uncorrelated job arrival sequences. Empirical analysis of data sets achieved through discrete event simulation was used in adjusting the models to account for more complex cases involving multiple job types and varying correlation. Characteristic response surfaces were shown to exist over the domains of manufacturing system load and job arrival sequence correlation. A novel manufacturing flow control method, termed biased minimum feedback (BMF) was developed. BMF was shown to posses the capability to distribute work-in-process within the entire manufacturing facility through work-in-process regulation at each manufacturing system, so as to increase the performance of downstream assembly stations fed from parallel upstream processing stations. A case study in the production of a configurable product was used in presenting an application for the models and methods developed during this research. The models were shown to be useful in predicting steady state control requirements to increase manufacturing performance. / Thesis (Ph.D.)-University of KwaZulu-Natal, Durban, 2013.
145

Gestaltung industrieller Dienstleistungen im Spannungsfeld zwischen Kundennähe und Effizienz /

Speth, Christoph. January 2001 (has links)
Universiẗat, Diss--St. Gallen, 2001.
146

A influência da complexidade na eficiência operacional do consórcio modular / Complexity influence on consortuim modular operational performance

Simon, Mateus Lemos [UNESP] 21 March 2016 (has links)
Submitted by MATEUS LEMOS SIMON null (mateus.simon@yahoo.com.br) on 2016-05-21T03:51:57Z No. of bitstreams: 1 Influência da Complexidade na Eficiência Operacional do Consorcio Modular - FINAL.pdf: 2683320 bytes, checksum: 0df5551d7116f8533bb5bb116893a7d6 (MD5) / Approved for entry into archive by Felipe Augusto Arakaki (arakaki@reitoria.unesp.br) on 2016-05-24T13:53:00Z (GMT) No. of bitstreams: 1 simon_ml_me_guara.pdf: 2683320 bytes, checksum: 0df5551d7116f8533bb5bb116893a7d6 (MD5) / Made available in DSpace on 2016-05-24T13:53:00Z (GMT). No. of bitstreams: 1 simon_ml_me_guara.pdf: 2683320 bytes, checksum: 0df5551d7116f8533bb5bb116893a7d6 (MD5) Previous issue date: 2016-03-21 / Em busca de competitividade, as montadoras vêm aumentando seu portfólio de produtos para ampliar vendas, mas com isso são desafiados a produzir com maior variedade e maior volume de produção. O gerenciamento das novas peças em conjunto com as antigas aumenta a complexidade do sistema produtivo. O objetivo deste trabalho é analisar a relação entre complexidade e eficiência operacional em operações de alto volume de produção e alta variedade de produtos, típicas na produção de veículos comerciais como caminhões e ônibus. O estudo é realizado no Consórcio Modular. A Literatura recente evidencia oportunidades de pesquisa para melhor entendimento sobre complexidade como forma de perseguir as necessidades do cliente, oferecer produtos personalizados e lidar com customização em massa sem perder de vista o desempenho operacional. / Pursuing competitiveness, automakers has increased its product portfolio to expand sales, but it is challenged to produce more variety and greater production volumes. The management of new parts increases systems complexity. The objective of this study is to analyze the relationship between complexity and operational efficiency in high-volume production and high variety of products, typical in the production of commercial vehicles such as trucks and buses. The study is conducted in the Modular Consortium. The recent literature shows research opportunities for better understanding of complexity in order to pursue the client's needs by offering customized products and deal with mass customization without letting go operational performance.
147

Personalizando com algoritmos: projetos de design para criação de peças únicas

GRACIANO, Andréa Pennino 07 August 2017 (has links)
Submitted by Patricia Figuti Venturini (pfiguti@anhembi.br) on 2018-08-20T19:08:30Z No. of bitstreams: 1 449038.pdf: 56272897 bytes, checksum: 70a424606162128ee393cae60a06e717 (MD5) / Approved for entry into archive by Patricia Figuti Venturini (pfiguti@anhembi.br) on 2018-08-20T20:25:59Z (GMT) No. of bitstreams: 1 449038.pdf: 56272897 bytes, checksum: 70a424606162128ee393cae60a06e717 (MD5) / Approved for entry into archive by Patricia Figuti Venturini (pfiguti@anhembi.br) on 2018-08-20T20:27:35Z (GMT) No. of bitstreams: 1 449038.pdf: 56272897 bytes, checksum: 70a424606162128ee393cae60a06e717 (MD5) / Made available in DSpace on 2018-08-21T13:42:09Z (GMT). No. of bitstreams: 1 449038.pdf: 56272897 bytes, checksum: 70a424606162128ee393cae60a06e717 (MD5) Previous issue date: 2017-08-07 / Coordenação de Aperfeiçoamento de Pessoal de Nível Superior - CAPES / The objective of this research is to investigate the possibilities of using algorithms in design projects, creating unique or customized pieces. It highlights the implications of the use of this tool on the creation process, since the designer, to take advantage of the programming codes potentialities, starts to design observing concepts like: repetition, modules, parameters. It explores the application of metadesign as the project design strategy, shifting the focus from the product to its creation process. In this case, the designer develops an algorithm (program) that virtually already includes all possible outcomes for the final product. The generation of distinct yet similar pieces is achieved through the manipu- lation of the input parameters of this code and/or the inclusion of random variables in its structure. As a case study, five projects are analyzed: Written Images (single piece), Square (limited edition), Dot One (customization), Crafted Technology (exclusive collection) and Orbi (parameterized typography), which illustrate the concepts presented throu- ghout the work. / O objetivo desta pesquisa é investigar as possibilidades da utilização de algoritmos em projetos de design, dando origem a peças únicas ou personalizadas. Destacando as implicações do uso dessa ferramenta sobre o processo de criação, uma vez que o designer, para tirar proveito das potencialidades dos códigos de programação, passa a projetar observando conceitos como: repetição, módulos, parâmetros. Explora-se a aplicação do metadesign como estratégia de concepção do projeto, transferindo o foco do produto para o seu processo de criação. Neste caso, o designer elabora um algoritmo (programa) que, virtualmente, já contempla todos os resultados possíveis para o produto final. A geração de peças distintas porém semelhantes entre si se dá por meio da manipulação dos parâmetros de entrada desse código e/ou da inclusão de variáveis randômicas em sua estrutura. Como estudo de caso, são analisados cinco projetos: Written Images (peça única), Square (edição limitada), Dot One (personalização), Crafted Technology (coleção exclusiva) e Orbi (tipografia parametrizada), que ilustram os conceitos apresentados no percorrer do trabalho.
148

Design de produto e processos de projeto com ênfase na customização pós-produção / Product design and design processes with emphasis on post-production customization

Medeiros, Diego Piovesan January 2012 (has links)
Em um mundo marcado pela globalização, mercados comuns, grandes grupos corporativos, produção em massa e uma oferta quase ilimitada de produtos industriais, a individualização é um requisito que ganha cada vez mais importância entre os consumidores. O mercado para produtos que expressem sua personalidade e seus gostos, que os identifiquem e os tornem únicos por meio da customização, está em franca expansão. Isto abre uma possibilidade para o design comprometido em desenvolver produtos que atendam essas necessidades individuais, mesmo em produtos produzidos em massa. No entanto, os métodos projetuais usualmente empregados por profissionais do design não contemplam esse novo cenário, gerando uma lacuna a ser estudada. Este trabalho tem como objetivo, identificar etapas e características dos processos metodológicos que incorporam a customização pós-produção. Este trabalho faz uso da investigação exploratória, bibliográfica e qualitativa por meio da aplicação de questionários e entrevistas. A aplicação das entrevistas ocorreu com um grupo de profissionais atuantes nas diferentes áreas do design de produto. A síntese das entrevistas, aliada a uma análise comparativa dos dados convergentes e divergentes, somaram para identificação das principais etapas no desenvolvimento de produtos que levam em conta a customização do usuário pós-produção. Os resultados finais dão conta da importância do pensamento voltado para a customização em diversas etapas do processo de projeto em design. / In a world marked by globalization, common markets, large corporations, mass production and an almost unlimited supply of industrial products, individualization is a requirement that is increasingly gaining importance among consumers. The market for products that express your personality and tastes, identifying them and make them unique by customizing is booming. This opens a possibility to design committed to developing products that meet these individual needs, even in mass produced products. However, projective methods usually employed by design professionals do not consider this new scenario, creating a gap to be studied. This study aims to identify steps and characteristics of methodological processes that incorporate the customization postproduction. This work makes use of exploratory research, and qualitative literature through questionnaires and interviews. The application of the interviews took place with a group of professionals working in different areas of product design. A summary of the interviews, together with a comparative analysis of convergent and divergent data, amounted to identify key steps in developing products that take into account user customization postproduction. Final results realize the importance of thought toward customization in various stages of project design.
149

Diretrizes para a adoção da customização em massa na construção habitacional para baixa renda / Guidelines for adopting mass customization in low-income house building

Tillmann, Patrícia André January 2008 (has links)
O termo customização em massa se refere à habilidade de fornecer produtos diferenciados aos consumidores sem que haja um aumento significativo de custos e tempo de entrega. Esta estratégia vem sendo adotada com sucesso por um crescente número de empresas do setor de manufatura, entretanto, o mesmo não se observa no contexto de produção habitacional. No Brasil, as empresas de construção civil engajadas na produção de habitações por intermédio de programas governamentais vêm sendo criticadas pela falta de eficiência em lidar com a diversidade de necessidades e desejos dos clientes finais. A oferta de flexibilidade nesses programas tende a ser muito limitada, devido, principalmente, à adoção de um paradigma de produção em massa no desenvolvimento desses empreendimentos. Dessa forma, o objetivo principal deste trabalho foi propor diretrizes para a adoção da estratégia de customização em massa na realização de empreendimentos habitacionais para a baixa renda no Brasil. Foram realizados dois estudos de caso em diferentes programas habitacionais, esses estudos foram desenvolvidos em três etapas. Na Etapa A buscou-se compreender o processo de desenvolvimento de produtos e identificar oportunidades para a adoção da customização em massa. Foram realizadas entrevistas com os agentes que participam do processo e analisados dados de fontes secundárias, previamente coletados por outros pesquisadores. A Etapa B teve como objetivo identificar os requisitos de customização. Para isto, foram analisados dados de fontes secundárias sobre o perfil dos clientes e avaliações pós-ocupação. Esses dados foram complementados com uma coleta sobre as adaptações realizadas realizadas pelos clientes durante o uso do imóvel. Por fim, a Etapa C caracterizou-se por uma reestruturação do PDP da empresa que participou desta pesquisa, na qual foram testadas as proposições sobre as oportunidades de adoção da customização em massa. As principais contribuições do presente trabalho dizem respeito não só a uma melhor compreensão da diversidade de requisitos do público-alvo desses programas, mas também à identificação de possibilidades de adoção da estratégia de customização em massa na realização de empreendimentos habitacionais para a baixa renda promovidos no âmbito de programas habitacionais Brasileiros. / Mass customisation stands for the ability to develop high value-added products within short time frames and at relatively low costs. This strategy is well known in manufacturing, where it has been widely used for competitive advantage. By contrast, the housing building industry in Brazil has been criticized for the lack of effectiveness in dealing with the diversity of customer needs. In low-income housing, for instance, product flexibility tends to be very limited, due to the fact that most housing programs adopt mass production core ideas in their conception. In this way, the main objective of this research was to propose guidelines for adopting a mass customization strategy in the provision of low-income housing in Brazil. Two case studies were carried out in different government housing programs. Both studies were divided into three phases. The first phase involved understanding the product development process and analysing opportunities to adopt a MC strategy. It was based on a set of interviews with product development participants and on the analysis of documents and secondary data previously collected by other researchers. The second phase consisted of mapping customization requirements, which was possible by analysing previously collected data regarding costumer’s profile and satisfaction. Also, data was collected to identify modifications made by users in their dwellings after occupation. Finally, in the third phase some propositions concerning the opportunities to adopt MC were tested. Some changes were implemented in the product development process of a house building company. Based on the main findings, guidelines for introducing a mass customisation in low cost housing are proposed. The main contributions of this research work are concerned with understanding the diversity of costumer’s requirements in low cost housing programs, and the identification of possibilities to adopt a mass customization strategy in the development of those programs in Brazil.
150

O design de sistemas modulares : customização em massa de produtos de moda / The design of modular systems : mass customization of fashion products

Körbes, Rafael January 2015 (has links)
Uma das vantagens da customização em massa está na possibilidade de atender aos desejos individuais de um maior número de consumidores. Em um mercado saturado de produtos massificados, com consumidores que desejam expressar sua individualidade por meio de sua aparência, a customização de produtos de moda pode significar um diferencial competitivo. A adoção de sistemas modulares no design de produtos de moda é um fator crucial para a implementação da customização em massa. O estudo aqui apresentado aborda aspectos do design de moda, customização em massa e design de sistemas modulares. Esta pesquisa foi desenvolvida com o intuito de investigar de que forma o uso de sistemas modulares aparecem no contexto atual da customização em massa de alguns produtos de moda brasileiros. Por meio de revisão bibliográfica e estudo de caso de seis empresas brasileiras que já oferecem produtos de moda customizados pelos próprios clientes, visa-se compreender como se dá o processo de design de moda em empresas customizadoras, para contribuir com a disseminação do pensamento projetual focado no design de sistemas modulares de produtos de moda. / One of the advantages of mass customization is the possibility of meeting the individual desires of a larger number of consumers. In a market saturated with mass products, with consumers wishing to express their individuality through their appearance, customization of fashion products can mean a competitive advantage. The adoption of modular systems in the design of fashion products is a crucial factor for the implementation of mass customization. The study presented here addresses aspects of fashion design, mass customization and modular system design. This research was developed in order to investigate how the use of modular systems appear in the current context of mass customization of some Brazilian fashion products. Through literature review and case study of six Brazilian companies that already offer fashion products customized by the customers themselves, the aim is to understand how is the process of fashion design in customizer companies, in order to contribute to the dissemination of the a design thinking focused on modular systems for fashion products.

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