The content of this master’s thesis is the choice of a suitable concept for the multifunctional machining center for rotary and non-rotating workpieces and design and processing of one structural node of this machine. The structure of the work is divided into three parts. In the first part, the market analysis is carried out from which it follows to the second part and it is the choice of a suitable machine concept. The third part deals with its own design of the constructional structure of this machining center.

The diploma work is focused on a complex design of a high mobility multipurpose vehicle. We live in a world full of dramatic changes and it brings many situations, which for a special equipment is needed. That should be right this vehicle. Thanks to its unique character, especially total variability and driving abilities, it is possible to solve various quests in all kinds of weather, terrain or environmental conditions. It is specially aimed on an projects economy and on an future development upgrade possibility.

This thesis will focus on a design of multifunctional machining center. The work is created in cooperation with two colleagues. Michal Kunorza will design a rotary table and Tomáš Grëtz will design a machine spindle with automatic tool exchange. My part of the work will focus on design of linear tool axis. The result of this cooperation should be machining center for rotary and non-rotary workpieces.

In almost each enterprise there is a software support for business processes. With a growing number of the applications there is an increasing demand to integrate those applications in order to have an effectively working environment, which generates profit. In enterprise applications integration there are few principles, each with their own advantages and disadvantages. However, the message-oriented middleware layer proves to be the best solution to many integration scenarios. This work deals with an enterprise of applications running on multifunction embedded office devices based on Java ME platform, and introduces an in-house developed communication middleware layer to integrate those applications. The resulting software component applies principles of messaging in a printing management SOA environment to communicate with a print server using a designed set of messages.

No description available.

Dual-band antenna elements that support dual-polarization provide ideal performance for applications including space-based platforms, multifunction radar, wireless communications, and personal electronic devices. In many communications and radar applications, a dual-band, dual-polarization antenna array becomes a requirement in order to produce an electronically steerable, directional beam capable of supporting multiple functions. The multiple polarizations and frequency bands allow the array to generate multiple simultaneous beams to support true multifunction radar. Many of the applications in spaced-based systems and personal electronic devices have strict restraints on the size and weight of the antenna element, favoring a low-profile, lightweight device. The research performed in this dissertation focuses on the design of a dual-band, dual-polarized antenna element capable of operating as an isolated element or in an array environment. The element contains two concentric, dual-polarized radiators. The low band radiator is a shorted square ring antenna, and the high band radiator is a square ring slot. Each constituent element achieves circular polarization through the introduction of triangular perturbations into opposing corners of the radiating element. This technique has been shown to introduce two, near-degenerate modes in the structure that – when excited in phase quadrature – combine to form circular polarization. The perturbations allow circular polarized operation with only a single feed point. The sense of the circular polarization is determined by the location of the feed point with respect to the perturbations. Both senses of circular polarization are excited by the introduction of orthogonal feeds for each of the two radiating elements. Thus, dual-ban, dual-circular polarization is obtained. The element achieves a low-profile from its printed circuit board realization. The high band square ring slot is realized in stripline. The orthogonal feeding transmission lines are printed on opposing sides of an electrically thin dielectric layer to allow them to cross without physically intersecting. This thin feeding substrate is sandwiched between two dielectric layers of matched dielectric constant. A ground plane is located on the top and bottom of the sandwiched dielectric structure, and the top ground plane contains the square ring slot with perturbed corners. Slotted stripline structures have been shown in the literature to excite a parallel-plate mode that can degrade overall performance of the antenna. Plated through holes are introduced at the outer perimeter of the square ring slot to short out this parallel-plate mode. The plated through holes (also called vias) serve as the shorting mechanism for the low band microstrip shorted square ring radiator. This element also contains triangular perturbations at opposing corners to excite circular polarization with a single feed point. In this element, orthogonal probe feeds are present to excite both senses of circular polarization. A dual-band, dual-polarized antenna element was built, tested, and compared to simulations. The constructed element operated at two distinct industrial, scientific, and medical (ISM) frequency bands due to their popularity in low power communications. The antenna element was realized in a multilayer printed circuit layout. A complex design procedure was developed and submitted to a printed circuit board company who manufactured the antenna element. The s-parameters of the antenna were measured using a Network Analyzer, and the results show good agreement with simulations. The radiation and polarization characteristics were measured in a compact range facility. These results also agreed well with simulations. The measured results verify the simulation models that were used in the simulations and establish a confidence level in the feasibility of constructing this element. The dual-band, dual-polarization nature of this element was established through the construction and measurement of this element. A novel size reduction technique was developed that allows for significant reduction of the element's footprint. This size reduction facilitates the placement of this element within an array environment. The loading technique utilizes a structure analogous to a parallel-plate capacitor to drastically reduce the overall size of the low frequency shorted square ring. The loading structure uses a substrate that is separate from that of the radiating elements. This allows the load to use a high dielectric material to achieve a high capacitance without requiring the radiating elements to be printed on high dielectric material that is potentially expensive and lossy at microwave frequencies. The two frequency bands were selected to be in separate industrial, scientific, and medical (ISM) bands. These frequency bands are increasingly popular in low power communication devices because unlicensed operation is permitted. The 2.45 GHz and 5.8 GHz ISM bands are commonly used for applications including Bluetooth technology, multiple 801.11 protocol, cellular phone technology, and cordless phones. The ISM bands were chosen for this antenna element due to their popularity, but this antenna is not restricted to these bands. The frequency ratio can be altered by controlling the dielectric constant used in the printed circuit board design, the parameters of the capacitive loading structure, and the size of the constituent elements that are used. After the size reduction technique is applied, the dual-band, dual-polarized elements can be placed in an array environment resulting in an array capable of generating both senses of circular polarization in the two, distinct ISM bands. This provides an aperture capable of supporting multiple functions. Depending on the applications required, the frequency bands of the antenna element can be altered to suit the particular system needs. The array analysis performed in this dissertation used a unique hybrid calculation technique that utilizes nine active element patterns to represent the patterns of the individual elements within a large antenna array. A common first look at array performance is achieved by multiplying the element pattern of an isolated element by an array factor containing the contributions of the geometrical arrangement of the antenna elements. This technique neglects mutual coupling between elements in the array that can alter the impedance match and radiation characteristics of the elements in the array. The active element pattern defines the radiation pattern of a given element in an array when all other elements are terminated in a matched impedance load. The active element pattern is unique for each element in an array. When these patterns are summed, the exact array pattern is obtained. While this technique has the advantage of accuracy, it is not ideal because it requires the simulation, calculation, or measurement of the pattern for each element in the array environment. The technique developed in this dissertation uses only nine active element patterns. These elements are then assigned to represent the active element patterns for all elements in the array depending on the geometrical region where the given element resides. This technique provides a compromise between the speed of using a single element pattern and the accuracy of using the unique active element pattern for each element in the array. The application of these two concentric, coplanar radiators along with the capacitive loading technique provides a unique contribution to the field of antenna engineering. The majority of dual-band antenna elements in the literature operate with a single polarization in each band. The ones that operate with dual-polarization in each band are typically limited to dual-linear polarization. Circular polarization is preferable to linear in many applications because it allows flexible orientation between the transmitting antenna and receiving antenna in a communications system, while also mitigating multipath effects that lead to signal fading. The ability to operate with two, orthogonal senses of circular polarization allows a system to reuse frequencies and double system capacity without requiring additional bandwidth. The uniqueness of this element lies in its ability to provide dual-circular polarization in two separate frequency bands for an individual element or an antenna array environment. The arrangement of the two element geometries with the addition of the novel capacitive loading technique is also unique. The performance of this element is achieved while maintaining the light weight, low profile design that is critical for many wireless communications applications. This dissertation provides a detailed description of the operation of this dual-band, dual-polarized antenna element. The design of the constituent elements is discussed for several polarization configurations to establish an understanding of the building blocks for this element. The dual-band, dual-polarized element is presented in detail to show the impedance match, isolation, and axial ratio performance. The capacitive loading technique is applied to the dual-band, dual-polarized element, and the performance with the loading in place is compared to the performance of the unloaded element. Next, there is an in-depth description of the array calculation technique that was developed to incorporate mutual coupling effects into the array calculations. This technique is then applied to the dual-band, dual-polarized array to show the performance of several array sizes. / Ph. D.

Esta tese de Doutorado busca contribuir na formação de subsídios científicos tanto para o projeto de uma prótese antropomórfica para membros superiores, quanto para a criação de um ambiente de treinamento, ou seja, um ambiente virtual de ação e realimentação das sensações, que poderá incorporar os mecanismos, atuadores, sensores ou estimuladores desenvolvidos. Ao final desta pesquisa, foram projetados e testados os mecanismos, sensores e alguns dispositivos de realimentação que farão parte do desenvolvimento de uma prótese de mão, a Mão de São Carlos, que possuirá características antropomórficas, para reproduzir os movimentos naturais da mão humana com um controle simplificado para o paciente. A motivação principal deste trabalho é diminuir o índice de rejeição das próteses para membros superiores, facilitando seu processo de treinamento e controle / This Doctoral thesis should contribute to the gathering of scientific subsidies for the project of a multifunction anthropomorphic upper limb prosthesis, in special the artificial hand, and for the creation of a training software, i.e., a software for the sensory's action and feedback. At the end of this research, the mechanisms, sensors, actuators and some feedback devices were designed and tested, that will be part of the development of a hand prosthesis, the São Carlos Hand, which will possess anthropomorphic characteristics, a simplified control for the patient and will reproduce the natural movements of the human hand. The main motivation of this work is to reduce the rejection index of the upper limb prosthesis, facilitating training process and control

Este trabalho procura demonstrar que a multifuncionalidade dos centros comerciais planejados contribui de forma decisiva para acelerar a sua consolidação. A parte teórica se apoia particularmente nos trabalhos de Eberhard Ziedler, Heliana C. Vargas, Lucrécia D\'A. Ferrara, Herman Hertzberger, Richard Rogers e Carlos J. L. Balsas. Quanto à base empírica os centros comerciais escolhidos foram estudados a partir de uma abordagem generalista, até uma análise mais pormenorizada, crítica, de quatro estudos de caso (o Shopping Parque D. Pedro de Campinas, o Centro Industrial e Empresarial AlphaVille de Barueri, o Catuaí Shopping Center de Londrina e o BarraShopping do Rio de Janeiro), chegando-se à definição de três fases em seu processo evolutivo: a de implantação, de desenvolvimento e consolidação. A partir da análise dos padrões atuais, foi possível a idealização de um cronograma hipotético de instalação de um centro comercial condizente com a realidade brasileira. Algumas recomendações para um melhor planejamento e projeto foram elaboradas. Ao final, apenas para ilustrar a metodologia idealizada, apresenta-se um exercício de aplicação que propõe um centro comercial multifuncional para a cidade de Maringá - PR. / This text advances the premise that the multifunction of planned commercial centers contributes in a decisive way to accelerate its consolidation. Eberhard Ziedler, Heliana C. Vargas, Lucrécia D\'A. Ferrara, Herman Hertzberger, Richard Rogers and Carlos J. L. Balsas, researches, support the theoretical part. With regard to the empiric basis, the chosen commercial centers were studied from a generalist approach toward a detailed and critical analysis concerning four cases (Shopping Parque D. Pedro - Campinas, Centro Industrial e Empresarial AlphaVille - Barueri, Catuaí Shopping Center - Londrina and BarraShopping - Rio de Janeiro). This leaded to the definition of the commercial centers three-evolution phases: implantation, development and consolidation. The recent standard analysis turned possible the idealization of a hypothetical chronogram viewing a commercial center installation suitable to Brazilian reality. For better planning and design some recommendations were elaborated. Finally to illustrate the idealized methodology, an application exercise proposing a multifunction commercial center to the City of Maringá -PR, is presented.

Este trabalho procura demonstrar que a multifuncionalidade dos centros comerciais planejados contribui de forma decisiva para acelerar a sua consolidação. A parte teórica se apoia particularmente nos trabalhos de Eberhard Ziedler, Heliana C. Vargas, Lucrécia D\'A. Ferrara, Herman Hertzberger, Richard Rogers e Carlos J. L. Balsas. Quanto à base empírica os centros comerciais escolhidos foram estudados a partir de uma abordagem generalista, até uma análise mais pormenorizada, crítica, de quatro estudos de caso (o Shopping Parque D. Pedro de Campinas, o Centro Industrial e Empresarial AlphaVille de Barueri, o Catuaí Shopping Center de Londrina e o BarraShopping do Rio de Janeiro), chegando-se à definição de três fases em seu processo evolutivo: a de implantação, de desenvolvimento e consolidação. A partir da análise dos padrões atuais, foi possível a idealização de um cronograma hipotético de instalação de um centro comercial condizente com a realidade brasileira. Algumas recomendações para um melhor planejamento e projeto foram elaboradas. Ao final, apenas para ilustrar a metodologia idealizada, apresenta-se um exercício de aplicação que propõe um centro comercial multifuncional para a cidade de Maringá - PR. / This text advances the premise that the multifunction of planned commercial centers contributes in a decisive way to accelerate its consolidation. Eberhard Ziedler, Heliana C. Vargas, Lucrécia D\'A. Ferrara, Herman Hertzberger, Richard Rogers and Carlos J. L. Balsas, researches, support the theoretical part. With regard to the empiric basis, the chosen commercial centers were studied from a generalist approach toward a detailed and critical analysis concerning four cases (Shopping Parque D. Pedro - Campinas, Centro Industrial e Empresarial AlphaVille - Barueri, Catuaí Shopping Center - Londrina and BarraShopping - Rio de Janeiro). This leaded to the definition of the commercial centers three-evolution phases: implantation, development and consolidation. The recent standard analysis turned possible the idealization of a hypothetical chronogram viewing a commercial center installation suitable to Brazilian reality. For better planning and design some recommendations were elaborated. Finally to illustrate the idealized methodology, an application exercise proposing a multifunction commercial center to the City of Maringá -PR, is presented.

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No. of bitstreams: 1 DISS_2015_Valdite Aparecida Heinzen.pdf: 2272694 bytes, checksum: 51713938a1c9a7025f93f8d9d93de97d (MD5) Previous issue date: 2015-12-14 / Nosso objetivo foi investigar tanto a produção quanto o uso ou não de mapas táteis como recursos didáticos-suporte para o ensino de ciências aos alunos com deficiência visual (DV) e identificar necessidades que indicassem a proposição de formação continuada em produção de mapas táteis, para professores que atendem alunos com DV em Salas de Recursos Multifuncionais (SRM). O problema da pesquisa consistiu em saber como os mapas táteis podem servir de recursos didáticos-suporte significativos, para mediação do ensino e da aprendizagem de conteúdos de ciências aos alunos deficientes visuais do ensino fundamental? Supomos que os mapas táteis (elementos sensoriais), quando utilizados como suporte didático ao ensino de ciências, permitem: a) - aos professores que atuam nas SRM o ensino complementar e mediação da aprendizagem de conteúdos de ciências do ensino fundamental aos alunos DV; b) - a percepção tátil e mentalização de conceitos científicos, por meio de objetos representativos, possibilitando ao aluno o entendimento significativo e ampliação das suas possibilidades de aprendizagem. Utilizamos a pesquisa bibliográfica, documental e de levantamento, com uso do questionário aplicado a 27 professoras que atuam nas SRM das Escolas Estaduais de Cuiabá e Várzea Grande. Para análise dos dados utilizamos técnicas de análise estatística básica (representação gráfica e tabelas) e análise documental. Os resultados indicam que 22 professoras são efetivas, 9 contratadas, predominantemente pedagogas com especialização em atendimento educacional especializado e possui de 36 a 45 anos de idade. Alguns temas estudados nas SRM têm relação com os conteúdos de ciências na Educação Infantil e Fundamental. Constatamos o desconhecimento do que sejam recursos de Tecnologia Assistiva, pois, os indicados não são de fato (“computador”, “internet” e “televisão”). As 31 professoras afirmam que utilizam materiais concretos, mas a maioria não produz material didático que sirva de suporte didático para ensinar ciências aos alunos deficientes visuais. Quanto à formação continuada observamos que nenhuma das formações informadas se refere à produção de material didático e, em especial, de mapas táteis ou material em alto relevo para o ensino de ciências aos alunos DV. Dentre as dificuldades apresentadas estão a falta de material pedagógico adaptado e de confecção de materiais para o atendimento educacional especializado. Como possível solução das dificuldades as professoras apontam a formação continuada e existência de materiais adaptados, indicando assim a necessidade de formação continuada como forma de subsidiar sua prática docente, promovendo possibilidades de produção de material didático adaptado (mapas táteis), que atendam à especificidade pedagógica desses alunos. / Our goal was to investigate both the production and the use or not of tactile maps as learning-support resources for teaching science to students with visual impairment, as well as identify needs to indicate the proposition of continuing education in producing tactile maps for teachers serving students with visual impairment. The research’s problem was how tactile maps can serve as a significant learning-support resources for mediation of teaching and learning science content to visually impaired elementary school students? The hypothesis is that the tactile maps (sensory elements) allow the tactile perception and mentalizing concepts through representative objects, enabling the student to meaningful understanding and expanding their learning opportunities. We use the bibliographical research, documentary and survey, using the questionnaire as a dice technique collection applied to 27 teachers who work in the Resource Rooms Multifunction of state schools of Cuiabá and Várzea Grande. For dice analysis we use basic statistical techniques (with representation in graphs and tables) and document analysis. The results indicate that 22 teachers are effective, 9 contracted predominantly pedagogues with expertise in educational specialized services who have between 36-45 years of age. Some topics studied in the Multifunction Resource living rooms are related to the science content in Elementary Education. We notice that the lack of resources as Assistive Technology, therefore the nominees are not actually ("computer", "internet" and "TV"). The 31 teachers say that they use concrete materials, but most of them do not produce educational materials to serve as a didactic support for teaching science for visually impaired students. As for continuing education we noted that none of the formations informed refer to the production of teaching materials and, in particular, production of tactile maps or materials embossed for teaching science for students with visual impairment. Among the difficulties faced are the lack of teaching materials and adapting/making materials for specialized educational services. As a possible solution for the difficulties, the teachers pointed the continuing education and the existence of adapted materials. From the survey we see the need to present to teachers who work with visually impaired students grants to assist their teaching practice, promoting adapted courseware production possibilities (tactile maps) that comply with the educational specificity of these students.