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Desenvolvimento de hardware e software para viabilizar a operação de um microdensitômetro / Devolopment of hardware and software to operate a microdensitometerMárcio Alexandre Marques 22 September 1992 (has links)
O presente trabalho foi desenvolvido para viabilizar a operação do microdensitômetro Optronics P-1000 através de um microcomputador tipo IBM-PC. Assim, desenvolveu-se uma interface (hardware), bem como todo o software necessário para operar o equipamento e fazer a aquisição dos dados digitalizados. Este software, permite, também, a visualização interativa das imagens, usada para definir regiões de interesse no filme. / The present work was developed to enable the operation of the Optronics P-1000 densitometer using a IBM-PC compatible microcomputer. Therefore a hardware interface as well as all the needed software to operate the equipment and execute the data acquisition was developed. This software provides also interactive vicualization and operation used to define regions of interest on the film.
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Ambiente de modelagem e implementação de sistemas tempo real usando o paradigma de orientação a objetos / Modeling and implementation environment for the development of real-time systems using object oriented paradigmBecker, Leandro Buss January 1999 (has links)
Este trabalho descreve o desenvolvimento de um ambiente integrado para modelagem, simulação e implementação de sistemas de tempo real distribuídos (STRD), especialmente aqueles voltados para automação industrial. O ambiente proposto faz use do paradigma de orientação a objetos, sendo baseado no ambiente SIMOO, desenvolvido no Âmbito de uma tese de doutorado no CPGCC. A motivação para a realizado deste trabalho surgiu através de alguns estudos de caso, que constataram que as ferramentas CASE existentes não incorporavam todas as propriedades desejadas em termos de suporte para modelagem e implementação dos STRD. Dentre estas propriedades, destacam-se a capacidade para especificação de restrições temporais, o suporte a simulação do modelo desenvolvido e a capacidade de geração automática de código para a aplicação final. O ambiente proposto tem por objetivo suprir as carências observadas, adicionando ao ambiente SIMOO original facilidades para a descrição de restrições temporais e facilidades para descried° de comportamento do modelo desenvolvido. Além disso, é incorporada ao ambiente a capacidade de geração automática de código em uma linguagem que suporte as restrições temporais descritas no modelo. Este trabalho foi desenvolvido no contexto do projeto ADOORATA (A Distributed Object-Oriented Architecture for Real-Time Automation), como parte do Programa de Cooperação entre Brasil e Alemanha, financiado pelas agencias CNPq e DLR. / This work describes the development of an integrated object-oriented environment for modeling, simulation and implementation of distributed real-time systems (DRTS), especially those conceived for industrial automation. This work extends the SIMOO environment, conceived as part of a Ph.D. thesis in the CPGCC at Federal University of Rio Grande do Sul. Its motivation began during some case studies, which concluded that existing CASE tools don't incorporate all the desired features for modeling and implementation of DRTS. Among these features, capacities to specify timing constraints, to simulate/animate the model and to automatically generate the final application code are highlighted. The proposed environment intends to overcome these lacks, adding to the original environment features for the specification of timing requirements and the application behavior, allowing the creation of an object-oriented simulation model. Additionally it automatically generates the application executable code, which makes use of the incorporated specifications to guarantee its correctness. This work has been developed within the context of the ADOORATA project (A Distributed Object-Oriented Architecture for Real-Time Automation), as part of the Brazilian-German Cooperation Program, sponsored by CNPq and DLR.
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Ferramenta de comunicação e acesso remoto a imagens medicas / Tool for communication and remote access to medical imagesBorges, Carmem Lucia 20 December 2003 (has links)
Orientador: Eduardo Tavares Costa / Dissertação (mestrado) - Universidade Estadual de Campinas, Faculdade de Engenharia Eletrica e de Computação / Made available in DSpace on 2018-08-06T06:58:33Z (GMT). No. of bitstreams: 1
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Previous issue date: 2003 / Resumo: O trabalho desta dissertação se baseia no desenvolvimento de uma ferramenta computacional (software) que permite a captação, transmissão, leitura, edição, e armazenamento remoto de dados biomédicos, com critérios de segurança, autenticação,autorização e integridade de dados. Como adicional importante, o software permite o acoplamento de um sistema de controle de serviços remoto. A aplicação segue um modelo de requisição de serviços cliente-servidor, sob uma arquitetura em camadas, escrita na linguagem de programação Java com as seguintes funcionalidades: visualização de imagens médicas (formato DICOM), edição remota de laudos com assinatura digital, armazenamento de dados relativos ao paciente (demográficos e imagens) e transmissão de imagens médicas. Seu objetivo principal é mostrar a possibilidade de edificação de softwares de acesso e controle remoto de dados biomédicos baseados em sistemas de segurança e permissão seletiva / Abstract: This work describes the development of a computational tool (software) that allows acquisition, transmission, reading, edition, and remote storage of biomedical data, following the protocols established for a Virtual Private Network - VPN, implying in security, authentication, authorization and integrity of data. The software allows the coupling of a control system of remote services. The application follows a model of requisition of services customer-server, under an architecture in layers, written in the programming language Java with the following functionalities: visualization of medical images (DICOM format), remote editing of medical findings with digital signature, storage of patient data (demographic and images) and transmission of medical images. Its objective is to show the possibility of construction of software for access and remote control of biomedical data based in security systems and selective permission / Mestrado / Engenharia Biomedica / Mestre em Engenharia Elétrica
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Sins : um editor Xchart na forma de plugin para o ambiente eclipse / Sins : an Xchart editor as a plugin for the eclipse environmentKollross, Diogo 10 October 2007 (has links)
Orientador: Hans Kurt Edmund Liesenberg / Dissertação (mestrado) - Universidade Estadual de Campinas, Instituto de Computação / Made available in DSpace on 2018-08-11T00:52:22Z (GMT). No. of bitstreams: 1
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Previous issue date: 2007 / Resumos: Sistemas reativos têm grande importância em muitas áreas da engenharia e da computação, mas a qualidade e maturidade das metodologias e ferramentas de apoio ao desenvolvimento deixam a desejar em relação às voltadas a sistemas transformacionais. Uma das metodologias de destaque é a Arquitetura Orientada a Modelos, onde os sistemas reativos são descritos por modelos que podem ser diretamente traduzidos em formas executáveis. A linguagem mais bem sucedida na modelagem de sistemas reativos é Statechart, que deu origem a variações como os diagramas de máquinas de estado do padrão UML e à linguagem Xchart. Essa linguagem é uma extensão de Statechart que introduz construções para controle de processos externos, história de ativações e hierarquização de eventos. Para superar as limitações da ferramenta já existente para edição de diagramas Xchart conhecida como Smart, foi desenvolvido o editor Sins (Sins 1s Not Smart), implementado como plugin para o ambiente integrado de desenvolvimento Eclipse. Com o editor Sins é possível editar os diagramas através de manipulação direta, diagramar a especificação automaticamente e gerar o código fonte correspondente na linguagem textual TEXchart. O algoritmo de layout implementado é uma variação do algoritmo de Sugiyama, modificado para melhorar a legibilidade do dia:grama ao garantir a consistência na apresentação de suas estruturas e gerar mapas semelhantes aos desenhados livremente / Abstract: Reactive systems have great importance in many areas of Engineering and Computing, but the quality and maturity of the development support methodologies and tools Iack when compared to those directed to transformational systems. One of the outstanding methodologies is Model Oriented Architecture, where the reactive systems are described by models that can be directly translated to executable form. The best succeeded language for modeling of reactive systems is Statechart, which is the origin of variations like state machine diagrams from the UML standard and the Xchart Language. This language is an extension of Statechart that introduces eIements for external process control, activation history and hierarchization of events. To overcome the limitations of the already existing tool for the edition of Xchart diagramas known as Smart, the Sins editor was developed (Sins Is Not Smart), implemented as a plugin for the Eclipse IDE. With the Sins editor it is possible to edit diagramas through direct manipulation, layout the specification automatically and generate the corresponding source code in the textual Language TEXchart. The implemented layout algorithm is a variation of the Sugiyama algorithm, modified for better legibility of the diagram by assuring consistency in the presentation of its structures and generation of layouts similar to those freely drawn / Mestrado / Sistemas de Computação / Mestre em Ciência da Computação
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Verificação baseada em indução matemática para programas C++Gadelha, Mikhail Yasha Ramalho 20 December 2013 (has links)
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Previous issue date: 2013-12-20 / FAPEAM - Fundação de Amparo à Pesquisa do Estado do Amazonas / The use of embedded systems, computational systems specialized to do a function in
larger systems, electronic or mechanical, is growing in the daily life, and it is becoming increasingly important to ensure the robustness of these systems. There are several techniques to ensure that a system is released without error. In particular, formal verification is proving very effective in finding bugs in programs. In this work, we describe the formal verification for C++ Programs and correctness proof by mathematical induction. Both techniques will be developed using the tool Efficient SMT-Based Context-Bounded Model Checker (ESBMC), a model checker based on satisfiability modulo theories and first order logic. The experiments show that the tool can be used to check a wide range of applications, from simple test cases to commercial applications. The tool also proved to be more efficient than other models checkers to verify C++ programs, finding a greater number of bugs, and supporting a larger number of the features that the language C++ has to offer, in addition to being able to prove several properties, using the method of mathematical induction. / A utilização de sistemas embarcados, sistemas computacionais especializados para realizar uma função em sistemas maiores, eletrônicos ou mecânicos, vem crescendo no dia a dia das pessoas, e vem se tornando cada vez mais importante garantir a robustez desses sistemas. Existem diversas técnicas para garantir que um sistema seja lançado sem erros. Em especial, a verificação formal de programas está se mostrando efetiva na busca por falhas. Neste trabalho, serão descritos a verificação formal de programas C++ e a prova de corretude por indução matemática. Ambas as técnicas serão desenvolvidas utilizando a ferramenta Efficient SMTBased Context-Bounded Model Checker (ESBMC), um verificador de modelos que se baseia
em teorias de satisfabilidade de fórmulas proposicionais e de lógica de primeira ordem. Os experimentos mostram que a ferramenta pode ser utilizada para verificar uma ampla gama de aplicações, de casos simples à aplicações comerciais. A ferramenta também mostrou-se superior em comparação com outros verificadores na verificação de programas C++, encontrando um maior número de erros e suportando um número superior das funcionalidades que a linguagem C++ tem a oferecer, além de ser capaz de provar diversas propriedades (por exemplo, laços invariantes), utilizando a técnica de indução matemática.
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Noções de programação estruturada em Python no ensino de Física: um caminho para o ensino médio por meio da cultura lúdica / Notions of structured programming with Python in the teaching of Physics: a path to high school through ludic cultureParizotto, Giovanna Moreno 14 September 2017 (has links)
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Previous issue date: 2017-09-14 / In this qualitative research with case study elements, we discuss why the use of notions of structured programming in Python language constituted as a manipulation of the play culture for the teaching of Physics in the first year of the High School, at night. Manipulation in this case, refers us to aspects related to notions of game and characteristics related to the game, recognizing the game as a place of emergency of the ludic culture. This theme is related to the teacher training of the researcher, who seeks to enrich the student's playful culture in which she has greater didactic difficulty. In the course of the research, the researchers find several characteristics of the games during the interventions. This process is discussed as to the characteristics of the philosophical game proposed by Brougère (1998) and also to the typical behaviors of them, considered as primary impulses by Caillois (1990), related to the term game. We also relate corruption characteristics of these primary impulses to the lubricant ludic term. / Nesta pesquisa qualitativa com elementos de estudo de caso discutimos por que o uso de noções de programação estruturada em linguagem Python constituiu-se como uma manipulação da cultura lúdica para o ensino de Física no primeiro ano do Ensino Médio noturno. Manipulação neste caso, remete-nos a aspectos ligados a noções de jogo e características relacionadas ao jogos, reconhecendo o jogo como lugar de emergência da cultura lúdica. Tal temática está de encontro a formação docente da pesquisadora, que busca enriquecer a cultura lúdica do alunado no qual possui maior dificuldade didática. No decorrer da pesquisa, os pesquisadores encontram várias características dos jogos durante as intervenções. Tal processo é discutido quanto as características do jogo filosófico propostas por Brougère (1998) e também aos comportamentos típicos dos mesmos, tidos como impulsões primárias por Caillois (1990), relacionado ao termo jogo. Relacionamos ainda características de corrupções destas impulsões primárias ao termo lúdico lúbrico.
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O uso de Arduino na criação de kit para oficinas de robótica de baixo custo para escolas públicas / Using Arduino kit for creating robotics workshops for low cost public schoolsFabri Junior, Luiz Ariovaldo, 1983- 24 August 2018 (has links)
Orientadores: Marli de Freitas Gomes Hernandez, Paulo Sérgio Martins Pedro / Dissertação (mestrado) - Universidade Estadual de Campinas, Faculdade de Tecnologia / Made available in DSpace on 2018-08-24T15:23:29Z (GMT). No. of bitstreams: 1
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Previous issue date: 2014 / Resumo: Neste trabalho apresentamos o desenvolvimento de um kit para aplicação de oficinas de robótica de baixo custo para introdução às engenharias nas escolas públicas de ensino médio brasileira. Para desenvolver este trabalho foi utilizado a placa microcontrolada Arduino, versão Uno, o Minibloq que é um ambiente de desenvolvimento gráfico para computação física que utiliza blocos para desenvolvimento de programação, também desenvolvemos uma apostila para acompanhamento passos a passo do desenvolvimento das oficinas. Com esta oficina de robótica educacional, pretendemos introduzir conceitos de física, matemática, programação e robótica básica, conceitos que estão estritamente relacionados com as engenharias / Abstract: This paper presents the development of a kit for implementing a robotics workshop for low cost introduction to engineering in the public schools of Brazilian high school. To develop this work microcontrolled Arduino Uno board version was used, Minibloq which is a graphical development environment for physics computation that uses blocks to development programming, we also developed a booklet to follow step by step the development of the workshop. With this educational robotics workshop, we plan to introduce concepts of physics, mathematics, programming and basic robotics concepts that are closely related to engineering / Mestrado / Tecnologia e Inovação / Mestre em Tecnologia
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Model-Driven Development of Distributed Systems in UmpleZakariapour, Amid January 2018 (has links)
Model-driven software development can help tackle complexity when developing large software systems. Model-driven development tools facilitate this. Such tools support multiple features and languages; some are multi-platform and support multi-language code generation from models. Umple is a full-featured open source language and modelling tool that we used as a basis for this thesis.
Distribution concerns have become a critical part of modern software systems. In this thesis, we present how we extended Umple to support the development of model-driven synchronous or asynchronous distributed systems. Our contributions provide simple syntax, model analysis capabilities, and programming APIs, which allow users to change the configuration of systems both at development and deployment stages. We also demonstrate how a system can be modeled without distribution concerns and easily be transformed to a distributed system through our approach.
The contributions of this thesis are: a) Creating a mechanism to distribute objects in Umple; b) Developing new semantics for modelling of distributed objects and providing supporting syntax for this in Umple; c) Investigating different patterns and technologies to implement code generation for distributed systems; d) Implementation, testing, and comparison of the distributed feature in Umple for executable Java code; and e) implementing a mechanism to dynamically modify the distribution plan at runtime.
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Abstraction fonctionnelle pour la programmation d’architecture multi-niveaux : formalisation et implantation / Functional abstraction for programming multi-level architectures : formalisation and implementationAllombert, Victor 07 July 2017 (has links)
Les architectures parallèles sont de plus en plus présentes dans notre environnement, que ce soit dans les ordinateurs personnels disposant des dizaines d’unités de calculs jusqu’aux super-calculateurs comptant des millions d’unités. Les architectures haute performance modernes sont généralement constituées de grappes de multiprocesseurs, elles même constituées de multi-cœurs, et sont qualifiées d’architecture hiérarchiques. La conception de langages pour de telles architectures est un sujet de recherche actif car il s’agit de simplifier la programmation tout en garantissant l’efficacité des programmes. En effet, écrire des programmes parallèles est, en général, plus complexe tant au point de vue algorithmique qu’au niveau de l’implémentation. Afin de répondre à cette problématique, plusieurs modèles structurés ont été proposés. Le modèle logico-materiel BSP définit une vision structurée pour les architectures parallèles dites plates. Afin d’exploiter les architectures actuelles, une extension adaptée aux architectures hiérarchiques a été proposée : Multi-BSP. Tout en préservant la philosophie BSP, ce modèle garanti efficacité, sécurité d’exécution, passage à l’échelle et prédiction de coût.Cette thèse s’articule donc autour de cette idée et propose de définir Multi-ML, un langage basé sur le modèle logico-materiel Multi-BSP, garantissant les propriétés énoncées ci-dessus. Afin de pouvoir garantir la sécurité d’exécution des programmes Multi-ML, nous proposons une sémantique formelle ainsi qu’un système de type afin d’accepter uniquement des programmes bien formés. De plus, nous proposons une machine abstraite permettant de décrire formellement l’évaluation d’un programme Multi-ML sur une machine Multi-BSP. Une implantation du langage, développé dans le cadre de cette thèse, permet de générer un code exécutable. Il est donc possible d’exécuter, efficacement, des algorithmes Multi-BSP écrits à l’aide de Multi-ML sur diverses machines hiérarchiques / From personal computers using an increasing number of cores, to supercomputers having millions of computing units, parallel architectures are the current standard. The high performance architectures are usually referenced to as hierarchical, as they are composed from clusters of multi-processors of multi-cores. Programming such architectures is known to be notoriously difficult. Writing parallel programs is, most of the time, difficult for both the algorithmic and the implementation phase. To answer those concerns, many structured models and languages were proposed in order to increase both expressiveness and efficiency. Among other models, Multi-BSP is a bridging model dedicated to hierarchical architecture that ensures efficiency, execution safety, scalability and cost prediction. It is an extension of the well known BSP model that handles flat architectures.In this thesis we introduce the Multi-ML language, which allows programming Multi-BSP algorithms “à la ML” and thus, guarantees the properties of the Multi-BSP model and the execution safety, thanks to a ML type system. To deal with the multi-level execution model of Multi-ML, we defined formal semantics which describe the valid evaluation of an expression. To ensure the execution safety of Multi-ML programs, we also propose a typing system that preserves replicated coherence. An abstract machine is defined to formally describe the evaluation of a Multi-ML program on a Multi-BSP architecture. An implementation of the language is available as a compilation toolchain. It is thus possible to generate an efficient parallel code from a program written in Multi-ML and execute it on any hierarchical machine
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Reducing remodularization complexity through modular-objective decouplingChern, Rick 11 1900 (has links)
This dissertation defines "modular-objective coupling", and shows that programming language designs which imply reduced modular-objective coupling reduce complexity of remodularizations--behaviour-preserving restructurings for which the only intended goals are to change program source code structure.
We explicitly distinguish between two points of view on program structure: modular structure--the structure of a program as a set of static text documents, and objective structure--the structure of a program as a dynamic computational model during execution. We define modular-objective coupling as the degree to which changes in modular structure imply changes to objective structure, for a given programming language.
We use the term remodularization to refer to any behaviour-preserving source code restructuring, for which the only intended goal is to change modular structure. We argue that programming languages with strong modular-objective coupling introduce accidental complexity into remodularizations, by requiring complex objective structure changes to achieve intended modular structure changes. Our claim is that a programming language design which implies reduced modular-objective coupling reduces remodularization complexity in the language.
To validate this claim, we first present SubjectJ, a subject-oriented programming system that extends Java. The design of Java implies strong modular-objective coupling, while SubjectJ is designed for reduced modular-objective coupling. We then perform a series of remodularization case studies comparing Java and SubjectJ. Our results suggest that remodularizations are less complex in SubjectJ. / Science, Faculty of / Computer Science, Department of / Graduate
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