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Energy management and control for hybrid renewable energy sources in rural area / Gestion de l'énergie et de contrôle pour les hybrides sources d'énergie renouvelables en zone ruraleAhmed, Rana 27 November 2015 (has links)
Cette thèse propose principalement, un algorithme État-Flow MPPT basé P&O, amélioré avec deux degrés de liberté, dans lequel le système événementiel (MPPT) de comportement est modélisé par le décrivant en terme de transition entre les états, sous certaines conditions. Secondairement, un algorithme étendu MPPT, base d'exploitation en parallèle de l'état-débit est en outre proposé d'être une solution difficile pour le contrôle indépendant du système hybride, où la caractéristique de contrôle continu peut se présenter au cours d'un certain état de travail tout en discrète, est indiquée le long des transitions d'état. Deux configurations possibles pour le système hybride sont proposées : deux convertisseurs DC/DC séparés, et un convertisseur de sortie unique à double entrée (DISO) de configurations. Enfin, il est proposé, un comportement du système DC modélisation utilisant État-Flow, menant à l'ensemble de la conception de la stratégie de commande qui concernent RES MPPT, RES et la coordination BESS, la stabilité du système d'alimentation et de régulation de la tension du bus DC. La simulation et les résultats expérimentaux valident l'efficacité et l'applicabilité de l'algorithme proposé. Les deux résultats montrent la supériorité du MPPT basé proposé État-Flow pour réduire les oscillations de puissance RESs à l'état d'équilibre dans diverses conditions d'exploitation, en plus de son démarrage plus rapide, et l’opération de transition sans divergence de la MPP, selon des conditions météorologiques variables. / This thesis primarily proposes, an improved P&O based State-Flow MPPT algorithm featuring two degree of freedom, in which the event driven system (MPPT) behaviour is modelled by describing it in terms of transitions among states under certain conditions. Secondarily, an extended parallel operating State-Flowbased MPPT algorithm is further proposed to be a challenging solution for the independent control of the hybrid system, where continuous control characteristic can present during a certain working state while discrete one is indicated along state transitions. Two possible configurations for the hybrid system are proposed; two separate DC/DC converters and dual input single output converter (DISO) configurations. Finally it is proposed, DC system behaviour modelling using State-Flow leading to the whole control strategy design which concern RESs MPPT, RESs and BESS coordination, power system stability and DC bus voltage regulation.Simulation and experimental results validate the effectiveness and applicability of the proposed algorithm, both results show the superiority of the proposed State-Flow based MPPT in reducing the RESs power oscillations at steady-state in various operating conditions in addition to its faster start-up and transition operation without divergence from the MPP during sudden varying weather conditions.
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PI de cultivares na Embrapa Tabuleiros Costeiros : estudo das relações de parceria / Sayonara Marinho Soares BorgesBorges, Sayonara Marinho Soares 24 July 2014 (has links)
Considering the legal and technical sceneries, which are favorable to the development of new cultivars: the founding of the National System for Cultivar Protection in the Department of Agriculture, Livestock and Food Supply (SNPC/MAPA), the Cultivar Protection Act (LPC), the Biosafety Act (LB), the Industrial Property Act (LPI), the Innovation Act (LI), the Seeds and Seedlings Act (LSM) and also the vegetable Genetic Improvement Program (PMGV), as well as the farming sector and market demand for technological solutions, this work aims at studying the partnership affairs between Brazilian Agricultural Research Corporation - Embrapa Coastal Tablelands and other Embrapa Units for the development of cultivars. As part of the methodology, the case study was divided into a quantitative and qualitative research, focusing mainly on looking into the number of registered cultivars as of the year in which the SNPC was founded until the latest cultivar jointly developed by Embrapa Coastal Tablelands and other Embrapa Units, presenting the scenario of cultivars placed on the market after the SNPC was founded and having a deeper look into the intellectual property (IP) status of those new materials. In order to complement the quantitative data, searches were carried out on the Embrapa Headquarters and Embrapa Products and Market´s websites, with the assistance of Embrapa´s Technological Business Secretariat. Moreover, interviews were conducted with Embrapa´s improvers and experienced cultivar IP technicians at Embrapa Products and Market in Petrolina/PE and Sete Lagoas/MG. The partnership affairs were matched up by means of bibliographic revision, based the concept of innovation management employed by leading organizations, called Open Innovation. The study has shown that Embrapa Coastal Tablelands had jointly developed 23 cultivars with other Embrapa Units. The hybrids were disregarded as part of the results, being counted in only to encompass the totals of cultivar development, as well as to update the Unit´s product catalogue. It has been concluded that the partnership among Units has made it possible to empower the initiatives for technology transfer by the partner Units in the region of the Coastal Tablelands, as well as to enhance vegetable genetic improvement programs and to introduce in the production systems materials which are more adaptable to the Brazilian Northeast soil and climate conditions. / Considerando o cenário legal e técnico, favorável para o desenvolvimento de cultivares (criação do Sistema Nacional de Proteção de Cultivares, do Ministério da Agricultura, Pecuária e Abastecimento (SNPC/MAPA), Lei de Proteção de Cultivares (LPC), Lei de Biossegurança (LB), Lei de Propriedade Industrial (LPI), Lei de Inovação (LI) e Lei de Sementes e Mudas (LSM), e os Programas de Melhoramento Genético Vegetal - PMGV), bem como as demandas da agricultura e exigências do mercado por soluções tecnológicas, o trabalho teve como objetivo fazer um estudo das relações de parceria entre a Embrapa Tabuleiros Costeiros e outras Unidades da Empresa Brasileira de Pesquisa Agropecuária (Embrapa) no desenvolvimento de cultivares. Como parte da metodologia, o estudo de caso (YIN, 2010) foi dividido em pesquisa quantitativa e qualitativa, dando ênfase a um levantamento de cultivares registradas a partir do ano da criação do SNPC até a última cultivar desenvolvida em parceria entre a Embrapa Tabuleiros Costeiros e outras Unidades da Embrapa, apresentando o panorama das cultivares lançadas no mercado após a criação do Órgão e detalhando o status de PI desses materiais. Para complementar os dados quantitativos foram feitas buscas nos sites da Embrapa Produtos e Mercado (antigos Escritórios de Negócios) e da Embrapa Sede, junto à Secretaria de Negócios Tecnológicos. Foram realizadas, ainda, entrevistas com melhoristas da Embrapa, e experientes técnicos em PI de cultivares na Embrapa Produtos e Mercado de Petrolina/PE e de Sete Lagoas/MG. As relações de parceria foram confrontadas, por meio de revisão bibliográfica, com o conceito e modelo de gestão da inovação utilizados por grandes empresas e corporações, denominada Open Innovation ou Inovação Aberta. O estudo mostrou que a Embrapa Tabuleiros Costeiros desenvolveu 20 cultivares em parceria com outras Unidades de pesquisa. Os híbridos não foram foco do estudo, sendo apenas identificados para compor o leque de cultivares da Unidade e suas parceiras internas, bem como para atualizar o Catálogo de Produtos, Tecnologias e Serviços da Embrapa Tabuleiros Costeiros. Concluiu-se que a parceria entre as Unidades possibilitou ampliar as ações de transferência de tecnologia das Unidades parceiras na região de atuação da Embrapa Tabuleiros Costeiros, fortalecer os Programas de Melhoramento Genético Vegetal e introduzir nos sistemas produtivos materiais com maior adaptação às condições edafoclimáticas do Nordeste brasileiro.
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Vybrané projekční práce na procesu stripování kyselých vod / Selected designing works on the acid water stripping processMotyka, Ondřej January 2021 (has links)
The diploma thesis is focused on selected designing works related to the design of a specific process of acid water stripping. The main purpose of the work is to describe the procedure and the obtained results for these performed design work based on the relevant assignment and the process requirements. In the introductory two chapters, the work focuses on process introduction and description of main process equipment. The following chapters are devoted to the description of the designing works, specifically simulation of the process in CHEMCAD, design calculation of the spiral plate heat exchanger for feed preheating, creation of 3D model and drawing documentation using AutoCAD Plant 3D and lastly strength analysis of the selected pipeline. The main outputs of this work are mainly generated result reports from the process and equipment simulation and strength analysis of the solved pipeline route, 3D model of the process and selected technical and drawing documentation. At the end of the diploma thesis, the performed activities and their outputs are summarized and evaluated.
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Beyond Traditional Perspective: The Solo Piano Waltz in the Twentieth CenturyHSIEH, CHENG-FENG 27 August 2008 (has links)
No description available.
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船舶所有人防護及補償保險之研究 / Study on Protection and Indemnity (P&I) Insurance for Shipowner張培倫, Chang, Pei Lun Unknown Date (has links)
十九世紀英國經濟活動、社會結構及工藝技術發生重大變革,船舶所有人從事海上運送活動所面臨之責任風險,種類繁多且金額甚鉅,非其能獨自承擔而有轉嫁風險之必要,船舶所有人防護及補償保險遂應運而生,迄今已有一百五十餘年之歷史。
船舶所有人防護及補償保險,乃由船舶所有人組成非營利性之防護及補償協會,以相互保險之方式承保船舶所有人之責任風險,其承保範圍廣泛,包括船員及旅客傷病死亡責任、人命救助之費用及報酬、貨物責任、船舶碰撞責任、污染責任、船舶拖帶責任、船骸移除責任、共同海損分攤額、檢疫費用、罰金、損害防阻及法律費用等等。
船舶所有人透過船舶所有人防護及補償保險之安排,轉嫁龐大之責任風險,使海上運送活動得以存續,船舶所有人防護及補償保險之貢獻重大,已成為海上保險不可或缺之一環,其重要性並不亞於船體保險及貨物保險。惟目前我國學界關於船舶所有人防護及補償保險之文獻極為有限,且多數文獻因論著年代較為久遠,部分內容已與現況有所差異。
鑒於船舶所有人防護及補償保險之重要性,本文乃以英國不列顛防護及補償協會之2007年協會規則為主要研究對象,並以相關國際公約、英國法及我國法為研究範圍,自法律層面分析探討船舶所有人防護及補償保險之意義、功能、歷史沿革、法律架構、契約之成立與效力及其承保範圍,建立船舶所有人防護及補償保險之概念與體系論述,以期能達成協助船舶所有人瞭解並維護其關於船舶所有人防護及補償保險之各項權益、引起國內學界對船舶所有人防護及補償保險之重視與研究興趣、俾利國內航運保險相關主管機關對航運業轉嫁責任風險之行政監理及對我國船舶所有人組成防護及補償協會可行性之評估等研究目的。
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A Comparison of Major Factors that Affect Hospital Formulary Decision-Making by Three Groups of PrescribersSpence, James Michael 05 1900 (has links)
The exponential growth in medical pharmaceuticals and related clinical trials have created a need to better understand the decision-making factors in the processes for developing hospital medication formularies. The purpose of the study was to identify, rank, and compare major factors impacting hospital formulary decision-making among three prescriber groups serving on a hospital's pharmacy and therapeutics (P&T) committee. Prescribers were selected from the University of Texas, MD Anderson Cancer Center which is a large, multi-facility, academic oncology hospital. Specifically, the prescriber groups studied were comprised of physicians, midlevel providers, and pharmacists. A self-administered online survey was disseminated to participants. Seven major hospital formulary decision-making factors were identified in the scientific literature. Study participants were asked to respond to questions about each of the hospital formulary decision-making factors and to rank the various formulary decision-making factors from the factor deemed most important to the factor deemed least important. There are five major conclusions drawn from the study including three similarities and two significant differences among the prescriber groups and factors. Similarities include: (1) the factor "pharmacy staff's evaluation of medical evidence including formulary recommendations" was ranked highest for all three prescriber groups; (2) "evaluation of medications by expert physicians" was ranked second for physicians and midlevel providers while pharmacists ranked it third; and (3) the factor, "financial impact of the treatment to the patient" was fifth in terms of hospital formulary decision-making statement and ranking by all three prescriber groups. Two significant differences include: (1) for the hospital-formulary decision making statement, "I consider the number of patients affected by adding, removing, or modifying a drug on the formulary when making hospital medication formulary decisions," midlevel providers considered this factor of significantly greater importance than did physicians; and (2) for the ranked hospital formulary decision-making factor, "financial impact of treatment to the institution," pharmacists ranked this factor significantly higher than did physicians. This study contributes to a greater understanding of the three prescriber groups serving on a P&T committee. Also, the study contributes to the body of literature regarding decision-making processes in medicine and specifically factors impacting hospital formulary decision-making. Furthermore, this study has the potential to impact the operational guidelines for the P&T committee at the University of Texas, MD Anderson Cancer Center as well as other hospitals.
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Fatores que influenciam a probabilidade de ocorrência de inovação tecnológica em micro e pequenas empresas brasileiras: uma análise quantitativa dos dados da PINTEC 2008Leite, Marco Antonio Silvestre 07 December 2011 (has links)
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Previous issue date: 2011-12-07 / This research aims to identify which factors influence the technological innovation in micro and small businesses in Brazil, through the analysis of secondary data from the Survey of Technological Innovation (PINTEC 2008), conducted by the Brazilian Institute of Geography and Statistics (IBGE) at 16,371 companies in selected industries and services. To that end, we made statistical modeling of micro-data on the su b-sample formed by the 3,092 micro and small businesses surveyed by PINTEC 2008. The analysis of correlations between the variables that influence innovation and four variables that characterize the type and scope of technological innovation – product innovation for the domestic market, product innovation to the world market, process innovation for the domestic market, process innovation for the global market – allowed to select the most significant independent variables in terms of influence on the occurrence of innovation in micro and small enterprises. Based on these same correlations were developed logistic regressions (logit), in which the dependent variables chosen were the four variables characterizing the type and the scope of innovation mentioned above, and the independent variables were selected from those with greater explanatory power on the occurrence of innovation. Precautions have been taken to prevent occurrence of multicollinearity in the regressions. The results of the regressions, examined under the light of the literature review, reveal the importance of the independent variables for the occurrence of innovation in micro and small enterprises, and help in discussions about possible improvements in policies to stimulate technological innovation in micro and small enterprises. / A presente pesquisa visa identificar os fatores que influenciam a inovação tecnológica em micro e pequenas empresas brasileiras, por meio da análise dos dados secundários da Pesquisa de Inovação Tecnológica (PINTEC 2008), conduzida pelo Instituto Brasileiro de Geografia e Estatística (IBGE) junto a 16.371 empresas de ramos industriais e de serviços selecionados. Para tanto, foi feita a modelagem estatística dos microdados relativos à sub-amostra formada pelas 3.092 micro e pequenas empresas inquiridas pela PINTEC 2008. A análise das correlações entre as variáveis que influenciam as inovações e quatro variáveis que caracterizam o tipo e a abrangência das inovações tecnológicas – inovação em produto para o mercado nacional, inovação em produto para o mercado mundial, inovação em processo para o mercado nacional, inovação em processo para o mercado mundial – permitiu selecionar as variáveis independentes mais significativas em termos de influência sobre a ocorrência de inovação em micro e pequenas empresas. Com base nessas mesmas correlações, foram elaboradas regressões logísticas (logit), nas quais as variáveis dependentes escolhidas foram as quatro variáveis caracterizadoras do tipo e da abrangência da inovação acima mencionadas, e as variáveis independentes foram selecionadas dentre aquelas com maior poder explicativo sobre a ocorrência de inovação. Foram tomadas as devidas precauções para evitar a ocorrência de multicolinearidade nas regressões. Os resultados das regressões, analisados à luz da revisão bibliográfica, revelam a importância das variáveis independentes para a ocorrência de inovação em micro e pequenas empresas, e ajudam nas reflexões sobre possíveis melhorias nas políticas de estímulo à inovação tecnológica em micro e pequenas empresas.
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Avaliação de programas de bolsas de pesquisa em uma instituição pública de C&T em saúde: o programa pesquisador visitante Fiocruz / Program evaluation of research grants in a public institution of Science in Technology in health: the visiting scholar program FiocruzBarros, Seir de Souza January 2009 (has links)
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Previous issue date: 2009 / A pesquisa e o desenvolvimento tecnológico com vistas à inovação contribuíram significativamente para os progressos observados ao longo da últimametade do século XX, influenciando a formação de recursos humanos qualificados e a gestão das instituições de Ciência & Tecnologia. Entretanto, pesquisa, desenvolvimento e inovação são atividades intrinsecamente ligadas. Assim, as políticas de fomento à inovação implicam em apoio à pesquisa técnico-científica e conseqüentemente na manutenção da capacidade técnico-científica das instituições e exige, também, a análise e o constante aperfeiçoamento da gestão da pesquisa e dos programas de fomento à Pesquisa & Desenvolvimento das instituições públicas de pesquisa. Neste sentido, este trabalho se ocupou da análise qualitativa de um programa de apoio às atividades de P&D realizadas pela maior instituição de pesquisa em saúde do país a Fundação Oswaldo Cruz. O objetivo foi a proposição de um modelo de avaliação de bolsas de pesquisa adequado à complexidade organizacional da FIOCRUZ, que sem abrir mão do mérito científico, da produtividade e da eficiência como componentes da avaliação, seja capaz de identificar critérios e indicadores que levem em conta as articulações dos projetos de pesquisa com os objetivos estratégicos da instituição, com as políticas governamentais de estímulo à inovação eo impacto social de suas atividades. Espera-se com o resultado desta proposta contribuir para a efetividade do modelo de gestão de programas de bolsa de P&D na instituição. / The research and technological development with a view to innovation significantly contributed to the progress observed throughout the last half of the twentieth century, influencing the formation of qualified human resources and the management of Science & Technology institutions. However, research, development and innovation are intrinsically linked activities. So, the innovation promotion policies implicate in support to technical -scientific research and consequently in maintenance of technical-scientific capacity of the institutions and also require analysis and a constant improvement of the research management and of Research & Development fomentation programs of research public institutions. In this sense, this work was in charge of the qualitative analysis of a support program to Research & Development
activities accomplished by the major health research institution in the country –
Oswaldo Cruz Foundation. The aim was the proposition of a research scholarships
evaluation model suitable to the organizational complexity of FIOCRUZ , that considering the scientific merit, productivity and efficiency as evaluation components, be capable of identify criteria and indicators which take into account the research projects articulations with the strategic aims of the institution, with governmental policies of incitement to innovation and social impact of its activities. Our hope with the result of this proposal is to contribute to the effectiveness of the Research &
Development scholarship programs management model in the institution.
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Medidas de desempenho em instituições de ciência, tecnologia e inovação: estudo de caso do Laboratório Nacional de Luz SíncrotronFrare, Eduardo 10 August 2010 (has links)
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Previous issue date: 2010-08-10 / Fundo Mackenzie de Pesquisa / In the late 1990s, in the context of reform of the Brazilian state was created the model of Social Organization with the aim of expanding the managerial capacity of institutions operating public resources, but whose activities are not exclusive state. In mid 1997, the Brazilian Association of Synchrotron Light Technology - ABTLuS was qualified as an OS to operate the Brazilian Synchrotron Light Laboratory - LNLS, organization object of this Case Study. The adoption of the OS model and the requirements for establishing the parameters for results through the Management Contract signed between the ABTLuS and the Ministry of Science and Technology - MCT, has led to new artifacts management were deployed in the LNLS. Among the major contributions of the OS model is the identification of measures to monitor performance in organizations of Science, Technology and Innovation - C, T & I. The survey was conducted using the qualitative method, exploratory and applied using a procedure to collect data, apply in-depth interviews with a member of the Board, four directors or former directors of LNLS, two group leaders and three agents of the external evaluation organization. The collected data were analyzed using content analysis with triangulation. The research identified key performance measures for monitoring the LNLS which were grouped into two perspectives: i) the strategic and ii) of inducing results. The accompanying measures of the strategy are: i) Legitimacy, ii) Research Results; iii) Reliability of Facilities and iv) Open of Facilities. Accompanying measures known inducers of results was composed by the aggregation of the following categories: i) Human Resources, ii) Financial Resources and iii) Managerial Efficiency. Finally, the thesis presents a conceptual model for monitoring the performance measures for organizations, C, T & I and the practical point of view, suggesting a new framework of performance indicators for the LNLS. / No final da década de 1990, no contexto da Reforma do Estado brasileiro, foi criado o modelo de Organização Social com o objetivo de ampliar a capacidade gerencial de instituições que operam recursos públicos, mas cujas atividades não são exclusivas de Estado. Em meados de 1997, a Associação Brasileira de Tecnologia de Luz Síncrotron ABTLuS foi qualificada como OS para operar o Laboratório Nacional de Luz Síncrotron LNLS, entidade objeto desse estudo de caso. A adoção do modelo de OS e as exigências de estabelecer os parâmetros de resultados por meio do contrato de gestão, firmado entre a ABTLuS e o Ministério da Ciência e Tecnologia - MCT, fez com que novos artefatos gerenciais fossem implantados no LNLS. Dentre as principais contribuições do modelo de OS é a identificação de medidas para o acompanhamento de desempenho em organizações de Ciência, Tecnologia e Inovação C,T&I. A pesquisa foi realizada com o uso do método qualitativo, do tipo exploratório e aplicado, utilizando como procedimento de coleta de dados, entrevistas em profundidade aplicadas com um membro do Conselho de Administração, quatro dirigentes ou ex-dirigentes do LNLS, dois líderes de grupo, e três agentes de avaliação externos à organização. Os dados coletados foram analisados por meio de análise de conteúdo, com triangulação. A pesquisa identificou as principais medidas de desempenho para o acompanhamento do LNLS que foram agrupadas em duas perspectivas: i) a da estratégica propriamente dita e ii) a de indutores de resultados. As medidas de acompanhamento da estratégia foram: i) Legitimidade, ii) Resultados Científicos; iii) Confiabilidade das Instalações; iv) Disponibilidade das Instalações. As medidas de acompanhamento denominadas indutores de resultados foram compostas pela agregação das seguintes categorias: i) Recursos Humanos; ii) Recursos Financeiros; e iii) Eficiência Gerencial. Por fim, a dissertação, apresenta um modelo conceitual para acompanhamento das medidas de desempenho para organizações de C,T&I e do ponto de vista prático sugere-se um novo quadro de indicadores de desempenho para o LNLS.
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