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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

Proposta de heurística baseada no conceito de mercado para geração de rotas

Balderrama, Péricles Aparecido Vasconcelos, 92-2129-2993 09 February 2018 (has links)
Submitted by Divisão de Documentação/BC Biblioteca Central (ddbc@ufam.edu.br) on 2018-09-11T13:46:43Z No. of bitstreams: 2 license_rdf: 0 bytes, checksum: d41d8cd98f00b204e9800998ecf8427e (MD5) Dissertação Pericles Balderrama.pdf: 2562430 bytes, checksum: 225d4c2dd608f78114e9938de2d5861a (MD5) / Made available in DSpace on 2018-09-11T13:46:43Z (GMT). No. of bitstreams: 2 license_rdf: 0 bytes, checksum: d41d8cd98f00b204e9800998ecf8427e (MD5) Dissertação Pericles Balderrama.pdf: 2562430 bytes, checksum: 225d4c2dd608f78114e9938de2d5861a (MD5) Previous issue date: 2018-02-09 / This dissertation proposes a heuristic that uses the concept of market and the process of price formation as guidelines for the generation of routes in a factory plant scenario. The assumption is that the economic market is efficient in allocating scarce resources and that the price agglutinates in a single number the complexity of the productive process, simplifying the system of evaluation of economic agents. In this way, the price is adopted as the main variable in the selection of the sections that compose the routes. The price definition considered in the proposal differs from the cost per an updated variable considering only the market, that is, the interactions between economic agents. The market is modeled and implemented to simulate the movement of inputs in a manufacturing space, this space consisting of production cells interconnected by a transport grid in which the mobile robots carry inputs between the central warehouse and the production cells. In the proposed context robots are consumer economic agents and the crate of the grid are the traded products, there is a vendor that caters to all the robots. In the implementation of the proposed heuristic the Dijkstra algorithm is used to detect to the stretches that form the route with the minimum price in the market at a certain instant / Este trabalho propõe uma heurística que utiliza o conceito de mercado e no processo de formação de preço como diretrizes para a geração de rotas em um cenário de uma planta fabril. Assume-se como premissa que o mercado econômico é eficiente em alocar os recursos escassos e que o preço aglutina em um único número a complexidade do processo produtivo, simplificando o sistema de avaliação dos agentes econômicos. Desta forma, adota-se o preço como principal variável na seleção dos trechos que compõem as rotas. A definição de preço considerada na proposta diferencia-se do custo por se uma variável atualizada considerando unicamente o mercado, ou seja, as interações entre os agentes econômicos. O mercado é modelado e implementado para simular a movimentação de insumos em um espaço fabril, espaço este constituido por células de produção interligadas por uma grade de transporte na qual os robôs moveis transportam insumos entre o deposito central e as células de produção. No contexto proposto os robôs são agentes econômicos consumidores e os treicho da grade são os produtos negociados, existe um vendedor que atende a todos o conjunto de robôs. Na implementação da heurística proposta o algoritmo Dijkstra é utilizado para detectar aos trechos que forma a rota com o preço mínimo no mercado em determinado instante.
2

Comment la méditation pleine conscience a conquis l’Occident : une étude de cas montréalaise sur les conditions d’importation d’une pratique aux origines orientales

Moriceau, Mélissa 02 1900 (has links)
Depuis une trentaine d’années, la méditation a fait une entrée fracassante dans nos vies. En renaissant sous le nom de pleine conscience, ou « mindfulness », elle est aujourd’hui mobilisée dans de nombreux contextes comme le travail, la prison ou l’hôpital. L’objectif de ce mémoire est de comprendre comment la méditation a pu s’implanter durablement dans un régime temporel marqué par l’accélération et la rentabilité, alors que la philosophie sur laquelle s’arc-boute cette pratique se situe aux antipodes de la vision consumériste de notre société. Comme d’autres pratiques de bien-être importées d’Asie, la méditation a dû s’ajuster aux besoins et aux aspirations occidentales. À travers son déploiement au sein de contextes variés et la façon dont elle est distribuée au sein de plusieurs professions, elle a subi des adaptations qui entrent parfois en contradiction avec ses valeurs telles qu’elles avaient été pensées initialement. À la frontière du bien-être, de l’économie et de la spiritualité, la pleine conscience cristallise les défis qui sont en jeu lors de la marchandisation d’une activité nouvelle. / It’s been thirty years since meditation made a dramatic entrance into our lives. Rebranded under the name « mindfulness », meditation has found her place in many environments, such as the workplace, the carceral system or the hospital sector. The objective of this thesis is to understand how meditation sustainably implanted itself in a modern setting that relies on acceleration and profit, although the philosophy it relies on is in direct conflict with the consumerist vision of our society. As other « well-being » practices imported from Asia, meditation knew how to adjust to the occidental needs and aspirations. During its expansion in the hearts of many diverse environments and the way it is distributed in several professions, it has gone through some changes that are sometimes in contradiction with its original values. Well-being, economy and spirituality are now at a crossroad and meditation marks down the challenges that arise from the commodification of a new activity.

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