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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.
1

Práticas de melhoria de manufatura com curto ciclo de vida de produtos e imprevisibilidade de demanda: aplicação na indústria de vestuário de moda / Improvement practices for manufacturing short life cycle products with uncertain demand: application in apparel fashion industry

Heitor de Araujo Martins 15 March 2013 (has links)
A tendência de aumento de mix e redução do ciclo de vida de produtos está se ampliando em diversos setores da economia e a imprevisibilidade de demanda resultante gera novos desafios para o gerenciamento da cadeia de suprimentos que deve buscar maximizar a disponibilidade dos produtos ao mesmo tempo em que a sobra é minimizada. Apesar dessa tendência ainda não estar consolidada, a relevância de setores que já enfrentam esses desafios (principalmente as indústrias relacionados à moda e à tecnologia) e a importância da adequação dos processos da empresa a esse novo ambiente para a lucratividade do negócio constituem os motivadores dessa pesquisa. Dessa forma, o principal objetivo deste trabalho é identificar quais práticas de melhoria de manufatura podem ser utilizadas para lidar com os desafios inerentes a esse ambiente. Além disso, propõe-se caracterizar tais desafios formalmente, explicitando mais detalhadamente a relação entre eles, às práticas de manufatura e alguns resultados operacionais e financeiros das empresas. Para isso são utilizadas a revisão bibliográfica e a pesquisa-ação em uma indústria de vestuário de moda como os dois principais procedimentos técnicos de pesquisa. Os resultados positivos obtidos permitem concluir que práticas de melhoria provenientes da manufatura enxuta e da manufatura ágil podem ser utilizadas em conjunto para adequar o processo de planejamento e produção aos desafios desse novo cenário, permitindo a obtenção de melhores resultados operacionais. / The trend of increased mix and shorter product life cycle is expanding in several sectors of the economy and the resulting demand unpredictability generates new challenges for the supply chain management, which needs to find new ways to maximize products availability and minimize inventory obsolescence. Despite this trend is not yet consolidated, the relevance of sectors already facing this challenges (especially industries related to fashion and technology) and the importance of processes adaptation to this new environment for business profitability are the motivators of this research. Thus, the main objective of this work is to identify which manufacturing improvement techniques can be used to deal with this environment challenges. Furthermore, it is proposed to formally characterize those challenges, explaining in more detail the relationship between them, the manufacturing practices and some operational and financial results of companies. To achieve this goal, literature review and action research in a fashion apparel industry are used as the two main research procedures. The positive results obtained indicate that improvement practices from lean manufacturing and agile manufacturing can be used together to tailor production and the planning process to this new scenario, allowing for better operational results.
2

Práticas de melhoria de manufatura com curto ciclo de vida de produtos e imprevisibilidade de demanda: aplicação na indústria de vestuário de moda / Improvement practices for manufacturing short life cycle products with uncertain demand: application in apparel fashion industry

Martins, Heitor de Araujo 15 March 2013 (has links)
A tendência de aumento de mix e redução do ciclo de vida de produtos está se ampliando em diversos setores da economia e a imprevisibilidade de demanda resultante gera novos desafios para o gerenciamento da cadeia de suprimentos que deve buscar maximizar a disponibilidade dos produtos ao mesmo tempo em que a sobra é minimizada. Apesar dessa tendência ainda não estar consolidada, a relevância de setores que já enfrentam esses desafios (principalmente as indústrias relacionados à moda e à tecnologia) e a importância da adequação dos processos da empresa a esse novo ambiente para a lucratividade do negócio constituem os motivadores dessa pesquisa. Dessa forma, o principal objetivo deste trabalho é identificar quais práticas de melhoria de manufatura podem ser utilizadas para lidar com os desafios inerentes a esse ambiente. Além disso, propõe-se caracterizar tais desafios formalmente, explicitando mais detalhadamente a relação entre eles, às práticas de manufatura e alguns resultados operacionais e financeiros das empresas. Para isso são utilizadas a revisão bibliográfica e a pesquisa-ação em uma indústria de vestuário de moda como os dois principais procedimentos técnicos de pesquisa. Os resultados positivos obtidos permitem concluir que práticas de melhoria provenientes da manufatura enxuta e da manufatura ágil podem ser utilizadas em conjunto para adequar o processo de planejamento e produção aos desafios desse novo cenário, permitindo a obtenção de melhores resultados operacionais. / The trend of increased mix and shorter product life cycle is expanding in several sectors of the economy and the resulting demand unpredictability generates new challenges for the supply chain management, which needs to find new ways to maximize products availability and minimize inventory obsolescence. Despite this trend is not yet consolidated, the relevance of sectors already facing this challenges (especially industries related to fashion and technology) and the importance of processes adaptation to this new environment for business profitability are the motivators of this research. Thus, the main objective of this work is to identify which manufacturing improvement techniques can be used to deal with this environment challenges. Furthermore, it is proposed to formally characterize those challenges, explaining in more detail the relationship between them, the manufacturing practices and some operational and financial results of companies. To achieve this goal, literature review and action research in a fashion apparel industry are used as the two main research procedures. The positive results obtained indicate that improvement practices from lean manufacturing and agile manufacturing can be used together to tailor production and the planning process to this new scenario, allowing for better operational results.
3

Understanding brand loyalty and disloyalty formation among consumers’ of short life-cycle products

Ramachandran, S. (Sunder) 26 October 2015 (has links)
Abstract This study examines the formation of brand loyalty and disloyalty behaviours among consumers of short life-cycle technology products. Today, the life cycle of technology products have become shortened due to rapid pace of innovation leading to introduction of new and innovative products at shortened intervals. Such technological changes create a dynamic market, induce uncertainties among the consumers in the usage leading to stress and anxiety and development of coping strategies to deal with such situations. This study attempts at an understanding of the formation of brand loyalty and brand disloyalty behaviours from the consumer’s lived consumption experiences. The importance of loyalty and disloyalty have long been recognized in marketing, by academic and practitioners alike and assumes even more salience in today’s highly dynamic and competitive market environment. This study adopts the qualitative approach based on a constructivist and interpretive perspective using narrative strategy of inquiry through semi-structured and open-ended interviews to bring forth the experiences and meanings emanating from the consumption narratives. A theoretical framework was developed and employed to aid in the analysis of the empirical data. Based on the lines of the theoretical framework, three different phases of consumption, pre-adoption, adoption and post-adoption were examined which brought forth rich details of consumption experiences and outcomes during each consumption phase. This study interestingly finds consumers to be more brand loyal than disloyal. This supports a school of thought which endorses the existence of brand loyalty and contradicts another school of thought which profess the decline of brand loyalty. The study also reveals the factors which cause brand loyalty, brand disloyalty, divided brand loyalty and no brand loyalty tendencies in the context of short life-cycle technology products providing insights to both practitioners and academics. And more interestingly, this study finds short life-cycle products influencing the brand disloyalty and divided brand loyalty tendencies significantly, if not most significantly. This is important in view of today’s highly changed, dynamic and competitive marketplace and in the context of short life-cycle technology products. / Tiivistelmä Tutkimuksessa tarkastellaan brändilojaaliuden ja -epälojaaliuden kehittymistä teknologiaintensiivisten kuluttajatuotteiden käyttäjien keskuudessa. Sellaisten tuotteiden käyttöikä on lyhentynyt uusien tuoteinnovaatioiden ja -ratkaisujen tullessa markkinoille yhä nopeammalla tahdilla. Teknologiamuutokset johtavat dynaamisiin markkinoihin ja samalla kuluttajien huoli ja pyrkimykset hoitaa tuotteiden valinta- ja käyttötilanteita kasvavat. Tutkimuksessa pyritään ymmärtämään ja tulkitsemaan brändilojaaliuden ja -epälojaaliuden muodostumiseen liittyviä tekijöitä. Se on yhä tärkeämpää paitsi tutkijoille, myös liiketoiminnan harjoittajille. Tutkimukseen otetaan konstruktiivinen mutta tulkitseva ote, perustuen kuluttajien kertomiin kokemuksiin, joita kerättiin sekä avoimilla että puoliavoimilla haastatteluilla. Hankittu narratiivinen tutkimusaineisto analysoitiin aiempien tutkimusten perusteella muodostetun teoreettisen viitekehyksen avulla niin, että tuotteen valinta, hankinta ja käyttö jaettiin kolmeen periaatteelliseen vaiheeseen. Ne ovat käyttöön omaksumista edeltävä, käytön omaksumisen ja käyttöön omaksumisen jälkeinen vaihe. Tutkimusaineistosta saatiin kehikon avulla analysoituna esille rikas tuotteen valintaan ja käyttöön liittyvä kulutuskokemusten joukko koskien brändilojaaliutta ja -epälojaaliutta. Tutkimuksen mielenkiintoinen tulos on, että kuluttajien brändilojaalius on suurempi kuin epälojaalius. Se vahvistaa näkemyksen, että brändilojaaliuden merkitys ei ole vähentynyt eikä etenkään loppunut. Tutkimuksesta tulee silti esiin myös tekijöitä, jotka vaikuttavat lojaaliuden ohella jakaantuneeseen lojaaliuteen tai lojaaliuden puuttumiseen lyhytikäisten kuluttajatuotteiden tapauksessa. Kaiken kaikkiaan tekijöiden jäsentäminen, näkyväksi tekeminen ja analysointi tarjoavat kiinnostavia näkemyksiä tutkijoille, liiketoiminnan harjoittajille ja muille tahoille. Erityisesti jakaantuneeseen lojaaliuteen ja epälojaaliuteen vaikuttavat tekijät ovat tärkeitä lyhytikäisille teknologiaintensiivisille kuluttajatuotteille, joiden markkinat ovat erittäin dynaamiset ja kilpaillut.

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