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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

Object tracking and motion analysis in CIM environment

Botha, Johan Lodewyk 16 August 2012 (has links)
M.Sc. / MANTIS, which is the acronym for "Motion Analysis and Tracking Integrated System", was originally conceived as part of the Interactive Visual-Event Scheduling tool (IVIS). MANTIS is used as an interpreter of and to interface between the vision system, which monitors the visual objects on the shop floor, and the physical-environment manager. MANTIS uses object behaviour models in order to validate the motion of each object and to identify exceptions in this regard. The physical-environment manager then further evaluates this information in relation to other data which it collects and passes on to the Dynamic Scheduling System. It also tracks the objects on the shop floor and uses this information to generate a kinematics model for each object which, in turn, is used to track the object, as well as to predict its position in the next frame. The main reasons for the predictions are to provide the vision system with pertinent information which it can use in order to improve its efficiency and accuracy by reducing its search space and providing additional information to be used in weighing close matches of objects up against each other. In order to accomplish all this, MANTIS needs to define the behavior model of an object and the valid margins for each model. These models are then used for the validation, tracking and prediction of each object's motion on the shop floor, thereby providing real-time feedback to the scheduling system, which then uses this data to maintain its Master Production Schedule.
2

An expert system for adaptive part routing in computer integrated manufacturing

Khaw, Fook Cheon January 1987 (has links)
No description available.
3

Proposta de modelo para análise da integração da cadeia de suprimentos utilizando-se índices de automação / Proposed model for analysis of supply chain integration applying indices of automation

Perroni, Isa Maria da Penha Madeira 18 August 2018 (has links)
Orientador: Oswaldo Luiz Agostinho / Dissertação (mestrado) - Universidade Estadual de Campinas, Faculdade de Engenharia Mecânica / Made available in DSpace on 2018-08-18T20:24:28Z (GMT). No. of bitstreams: 1 Perroni_IsaMariadaPenhaMadeira_M.pdf: 6601142 bytes, checksum: 9f1164593c8b5ceacb9522a30fb09f68 (MD5) Previous issue date: 2011 / Resumo: As organizações reconhecem que a integração intra e inter sistemas de manufatura é fundamental para manter-se não apenas competitivo, mas à frente da concorrência. O Sistema de manufatura pode ser visto como o conjunto de relações entre as atividades de Engenharia, Chão de Fábrica, Negócios e Suporte e suas sub atividades e, a sua Integração, entendida como o fluxo sinérgico de informação, pode ser alcançada ao se aplicar recursos de automação. Uma forma de analisar esta integração é através de Índices de Automação. O presente trabalho propõe o desenvolvimento de um modelo para análise de integração da cadeia de suprimentos baseado em índices de automação e para isto, considera a relação entre os sistemas de manufatura da empresa foco e seus primeiro nível de fornecedores. São apresentadas nove arquiteturas, divididas entre arquiteturas com capacidade de integração e arquiteturas sem capacidade de integração entre fornecedor e empresa. A aplicação do modelo de integração da cadeia de suprimento foi em uma Empresa foco do ramo de máquinas e implementos agrícolas e em três fornecedores primários, utilizando um questionário estruturado em 12 questões de múltipla escolha, referentes ao grau de automação das sub atividades de cada sistema de manufatura. A relação de integração da cadeia de suprimentos estudada se enquadra na arquitetura na qual a empresa foco não apresenta integração estrutural no sistema de manufatura e o primeiro nível de fornecedores apresenta integração estrutural das atividades no sistema de manufatura. Na conclusão, são propostas alternativas de integração para a cadeia de suprimentos e sugeridos trabalhos futuros / Abstract: The organizations recognize that integration within and between manufacturing systems is critical to maintain itself not only competitive, but ahead of the competition. The manufacturing system can be viewed as the set of relations between the activities of Engineering, Floor Factory, Business and Support and its sub-activities and their Integration, understood as the flow of synergistic information can be achieved by applying resources automation. A qualitative way to analyze this integration is through indices Automation. This paper proposes the development of a model for analysis of supply chain integration based on levels of automation and for this, consider the relationship between the manufacturing systems of the main company and its suppliers. Nine architectures are presented, divided in architectures with capability of integration between supplier and company and architectures without capability of integration between supplier and company. The application of the model of the supply chain integration will be in a main company of the field of agricultural machinery and implements and in three primary suppliers, using a questionnaire structured in 12 multiple choice questions, regarding to automation degree of the sub-activities of each manufacturing system. The relationship of integration of the studied supply chain fits in the architecture in which the main company has no structural integration in the manufacturing system and the supplier presents the structural integration of activities in the manufacturing system. In the conclusion, integration alternative for the supply chain are proposed and it is suggested future works / Mestrado / Materiais e Processos de Fabricação / Mestre em Engenharia Mecânica

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