This diploma thesis describes issues of use of means of artificial intelligence for the decision making support on stock market. It includes theoretical knowledge of technical, fundamental and psychological analysis and artificial intelligence. Based on these facts have been created specific suggestions for the use of artificial neural networks to forecast the future value of the index S&P 500 by using development environment of the MATLAB software.

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Aldrig förr har vi konsumerat så mycket som nu och konsumenterna ställer hela tiden krav på högre kvalitet till lägre pris, samtidigt som kostnader för arbetskraft, energi och material ständigt ökar. För att bemöta kundernas behov används olika produktionssystem. Lean production är ett sådant produktionssystem och inkluderar en mängd uppsättning praktiska verktyg, men också en filosofi byggd på engagemang, kunskap, team-känsla och ledarskap. Lean är något många företag eftersträvar att införa, men studier visar att mindre än 20% lyckas att införa hela Leans koncept. Det är främst de mjuka delarna av Lean (filosofin) som företagen har svårast att implementera, vilket innebär att Lean i många fall reduceras till en verktygslåda. I denna studie har Lean-implementationen på ett fallföretag studerats. Fallföretaget införde Lean i samband med ”Produktionslyftet” år 2007 i syfte att effektivisera processer och bemöta hårdnande konkurrens. Ett antal intervjuer har genomförts med både produktions-personal och personer i ledande befattning. För att synliggöra individens roll i införandet och anammandet av Lean har en ny undersökningsmodell tagits fram för att analysera empirin och som utgår från ramverket för teknik, organisation och miljö, TOE, men där influensen av miljö har ersatts av influensen av individ, TOI. Den teoretiska undersöknings-modellen är undersökarens bidrag till forskningen. Resultatet av studien visar på att fallföretaget är ett klassiskt exempel på ett företag som lyckats väl med att införa de tekniska verktygen av Lean och att verksamheten fungerar mycket bättre idag än före införandet av Lean. Fallföretaget har ökat leveranssäkerheten och omsättningen men samtidigt minskat på produktionsytan och producerar ändå mer på samma tid. Däremot har fallföretaget inte lika tydligt implementerat de mjuka beståndsdelarna av Lean, det vill säga själva filosofin. Undersökningsmodellen TOI lyfter här fram verksamhetens karaktär, en hierarkisk och toppstyrd organisation, som en möjlig faktor till varför de mjuka beståndsdelarna inte har fått fäste. Modellen visar även att individen inte integrerar och samspelar med de influenser som borde skapa Lean. Samspelet mellan individ och ledning (organisation) ses som väsentliga för att uppnå de mjuka beståndsdelarna. För att få Leans hela koncept måste det finnas ett samspel och förbindelse mellan TOI modellens tre influenser; teknik, organisation och individ. Alla delarna är lika viktiga för att hela Lean ska få fäste. Detta är en möjlig anledning till varför det är mindre än 20% av Lean-projekteten som misslyckas med att implementera Leans hela koncept. / Never before have we consumed as much as now and customers are constantly demanding higher quality at a lower price, while at the same time costs are increasing for labour, energy and materials. Different production systems are used to meet customer needs. Lean production is such a production system and includes a variety of practical tools but also a philosophy based on commitment, knowledge, team spirit and leadership. Lean is something many companies strive to introduce, but studies shows that less than 20% succeed in introducing the entire Lean concept. It’s mainly the soft parts of Lean (the philosophy) that companies have most difficulty to implement, which means that in many cases Lean is reduced to a toolbox. This study is about the Lean implementation in a case company. The case company introduced Lean through its participation in the "Produktionslyftet" in 2007 with the aim of streamlining processes and responding to toughening competition. A number of interviews have been carried out with both production staff and senior executives. In order to highlight the individual's role in the introduction and adoption of Lean, a research model has been developed to analyse the empirical data, which is based on the framework for technology, organization and environment, TOE, but where the influence of environment has been replaced by the influence of the individual, TOI. The theoretical survey model is the investigator's contribution to the science. The result of the study shows that the case company is a classic example of a company that has succeeded well in introducing the technical tools of Lean and that the operation works much better today than before the introduction of Lean. The case company has increased the delivery reliability and sales but at the same time decreased the production area and still produces more at the same time allotted. However, the case company has not as clearly implemented the soft elements of Lean, that is, the philosophy itself. The survey model TOI highlights the nature of the business, a hierarchical and top-down organization, as a possible factor why the soft components have not been attached. The model also shows that the individual does not integrate and interact with the influences that should create Lean. The interaction between individual and management (organization) are seen as essential for achieving the soft components. In order to get the whole concept of Lean, there must be an interaction and connection between the three influences of the TOI model; technology, organization and individual. All parts are equally important for the whole of Lean to get attached. This is a possible reason why there are less than 20% of Lean projects that fail to implement the entire Lean concept.

O livro didático é pensado e concebido com vistas ao aluno, porém, sua escolha e uso em sala de aula dependem da ação do professor, que muitas vezes o utiliza no preparo de aulas e na elaboração de atividades. A partir da década de 1960 se institucionalizou a prática de ofertar material específico ao docente nos compêndios o chamado Manual do Professor. Antes disso, no entanto, tal iniciativa partia dos próprios autores e editores. Referenciando-se nos estudos de Roger Chartier sobre a História do Livro e da Leitura e de Allain Choppin e Circe Bittencourt acerca do livro didático este trabalho investiga a presença de orientações aos professores em livros escolares direcionados ao nível primário e secundário, editados no Brasil em três períodos (1880 a 1930, 1930 a 1960 e 1966 a 1985). Utiliza uma amostra de obras voltadas a diferentes disciplinas. O objetivo é identificar o conteúdo das instruções, como se apresentam para cada nível escolar e de que maneira dialogam com as determinações legais e com os modelos pedagógicos vigentes e propagados pelos periódicos educacionais. Conclui que, até a década de 1960, a presença de subsídios ao docente não era uma regra para as casas publicadoras e que variava conforme o público a que se destinava. A partir de fins dos anos 1960, formaliza-se, mediante a ação de três personagens autores e editores, Estado e professores , a oferta de um livro didático voltado especificamente ao docente. Até 1930, nota-se uma aproximação entre o teor das instruções presentes nos livros e o paradigma da Caixa de Utensílios, com seus modelos práticos a serem aplicados em sala de aula. Entre 1930 e 1960, este modelo parece arrefecer nas obras didáticas. Na década de 1970 o aparecimento do Manual do Professor parece reforçar a oferta de orientações passo a passo. / The textbook is designed and conceived with a view to the student, however, its choice and use in the classroom depends on the actions of the professor, who often uses in the preparation of lessons and in the development of activities. From the 1960s, has become institutionalized the practice of offering specific material to faculty members in compendiums - the so-called Teacher Handbook. Before that, however, this initiative stemmed from the authors and publishers. Referencing the studies of Roger Chartier on the History of Books and Reading and Allain Choppin and Circe Bittencourt about textbook - this paper investigates the presence of guidelines to teachers in school books directed in primary and secondary level textbooks, edited in Brazil in three periods (1880 to 1930, 1930 to 1960 and 1966 to 1985). It uses a sample of works involving different disciplines. The goal is to identify the content of the instructions, as they are for each school level and how dialogue with the legal requirements and with current pedagogical models and propagated by educational journals. I concluded that, until the 1960s, the presence of subsidies to the teacher was not a rule for the publishing houses which varied according to the public for which it was intended. From the late 1960s, formalizes it through the action of three characters - authors and publishers, State and teachers - the offer of a textbook focused specifically to the teacher. Until 1930, we note a connection between the content of the instructions in the books and the paradigm of \"Tool box\", with its practical models to be applied in the classroom. Between 1930 and 1960, this model seems to attenuate in the didactic works. In the 1970s, with the appearance of the Teacher\'s Guide, returns the offering of a step by step guidance.

The dangerous work environment in the construction industry and the inherent high risks associated with construction work make it the focus of safety training and regulations. Highway construction and maintenance has unique hazards but seemingly less directly applicable safety standards, regulations, and programs. Department of Transportation (DOT) employees working in highway maintenance are exposed to a variety of unique hazards specifically associated with their work and not relating to the adjacent traffic. Yet, highway construction and maintenance work has not received sufficient attention in terms of safety research and programs. The lack of safety training and education in highway construction and maintenance work leaves a significant portion of DOT employees prone to different work-related hazards that can be avoided with additional safety awareness. As part of the efforts of the Kentucky Transportation Cabinet (KYTC) to improve safety of their employees, the study describes the design, implementation, and evaluation of a pre-task safety briefing toolbox. By analyzing recordable incidents of KYTC maintenance employees and identifying frequent hazards present within their typical work operations and the causes behind the frequent incidents, the final product of design phase is a toolbox that is relatable and relevant to KYTC maintenance crews. The toolbox presents these hazards along with incidents causes and the appropriate safety practices to avoid or mitigate the associated risk. The goal of this safety toolbox is to improve safety awareness of KYTC maintenance crews. The second part of the study is a comprehensive systematic evaluation of the effectiveness of the toolbox. Three evaluation phases including reaction and knowledge evaluation, implementation evaluation, and behavior change evaluation were carried out to assess the effectiveness of the toolbox. With 22% improvement in workers safety knowledge, 23% improvement in workers hazards identification skills, and 33.24% increase in the likelihood of safe behavior, the results showed that pre-task safety toolbox talks can increase highway workers’ safety awareness, improve their hazards identification skills, and increase their safe behavior. In addition to serving an underserved audience of the construction workforce, this study contributes to the body of knowledge in different ways. First, it sheds the light on a significant underserved portion of construction workers and the unique hazards present in their work environment. Second, it presents the design, implementation, and evaluation of a data driven safety intervention that addresses the most frequent safety issues in highway maintenance operations. Finally, it presents an empirical trial to evaluate the effectiveness of a common practice used in the construction industry in a unique sector of the industry that has not received sufficient research efforts.

In some antenna applications, having high directivity while keeping the antenna dimensions small is desired, which can be obtained by use of superdirective arrays. Superdirective arrays have been popular in academic world since a superdirective array provides higher directivity than the uniformly excited antenna array of same length. In this thesis, superdirective arrays are investigated by making high precision numerical computations. Superdirective array element excitations, array factors and directivities are inspected for different number of elements. Superdirective array pattern and directivity features are compared to uniformly excited array pattern and directivities. Superdirective array tolerance is investigated by examination of array element excitation sensitivities. Bandwidth of superdirective arrays is also inspected. Multiple Precision Toolbox is used during numerical computations in Matlab.

<p>Continental Automotive Systems is a German company that develops control systems for different applications in cars. A control system for electrically powered lift gates that are opened or closed on the driver’s command is one of the products developed. The drive system itself is composed of a spindle that is driven by a DC-motor over a gear and a spring. When developing the control system it is convenient to use a simulation model instead of having to implement it on the system every time. The simulation analytically describes how the system is behaving.</p><p>In this thesis a simulation model of a drive system and a lift gate is developed and evaluated. The model parameters are estimated using System Identification Toolbox in Matlab.</p> / <p>Continental Automotive Systems är ett tyskt företag som utvecklar styrsystem för olika tillämpningar i bilar. Bland annat utvecklas ett styrsystem till eldrivna bakluckor som öppnas och stängs av föraren per knapptryck. Själva drivanordningen består av en skruv som drivs av en likströmsmotor över en utväxling och en fjäder. Då man vill utveckla styrsystemet utan att behöva implementera det på systemet varje gång är en simuleringsmodell av drivanordningen och luckan ett bra hjälpmedel. Denna simuleringsmodell kan då analytiskt beräkna hur systemet uppför sig.</p><p>I detta examensarbete har en simuleringsmodell av en drivanordning med tillhörande lucka utvecklats och utvärderats. Modellparametrarna estimerades med hjälp av System Identification Toolbox i Matlab.</p>

Continental Automotive Systems is a German company that develops control systems for different applications in cars. A control system for electrically powered lift gates that are opened or closed on the driver’s command is one of the products developed. The drive system itself is composed of a spindle that is driven by a DC-motor over a gear and a spring. When developing the control system it is convenient to use a simulation model instead of having to implement it on the system every time. The simulation analytically describes how the system is behaving. In this thesis a simulation model of a drive system and a lift gate is developed and evaluated. The model parameters are estimated using System Identification Toolbox in Matlab. / Continental Automotive Systems är ett tyskt företag som utvecklar styrsystem för olika tillämpningar i bilar. Bland annat utvecklas ett styrsystem till eldrivna bakluckor som öppnas och stängs av föraren per knapptryck. Själva drivanordningen består av en skruv som drivs av en likströmsmotor över en utväxling och en fjäder. Då man vill utveckla styrsystemet utan att behöva implementera det på systemet varje gång är en simuleringsmodell av drivanordningen och luckan ett bra hjälpmedel. Denna simuleringsmodell kan då analytiskt beräkna hur systemet uppför sig. I detta examensarbete har en simuleringsmodell av en drivanordning med tillhörande lucka utvecklats och utvärderats. Modellparametrarna estimerades med hjälp av System Identification Toolbox i Matlab.

O livro didático é pensado e concebido com vistas ao aluno, porém, sua escolha e uso em sala de aula dependem da ação do professor, que muitas vezes o utiliza no preparo de aulas e na elaboração de atividades. A partir da década de 1960 se institucionalizou a prática de ofertar material específico ao docente nos compêndios o chamado Manual do Professor. Antes disso, no entanto, tal iniciativa partia dos próprios autores e editores. Referenciando-se nos estudos de Roger Chartier sobre a História do Livro e da Leitura e de Allain Choppin e Circe Bittencourt acerca do livro didático este trabalho investiga a presença de orientações aos professores em livros escolares direcionados ao nível primário e secundário, editados no Brasil em três períodos (1880 a 1930, 1930 a 1960 e 1966 a 1985). Utiliza uma amostra de obras voltadas a diferentes disciplinas. O objetivo é identificar o conteúdo das instruções, como se apresentam para cada nível escolar e de que maneira dialogam com as determinações legais e com os modelos pedagógicos vigentes e propagados pelos periódicos educacionais. Conclui que, até a década de 1960, a presença de subsídios ao docente não era uma regra para as casas publicadoras e que variava conforme o público a que se destinava. A partir de fins dos anos 1960, formaliza-se, mediante a ação de três personagens autores e editores, Estado e professores , a oferta de um livro didático voltado especificamente ao docente. Até 1930, nota-se uma aproximação entre o teor das instruções presentes nos livros e o paradigma da Caixa de Utensílios, com seus modelos práticos a serem aplicados em sala de aula. Entre 1930 e 1960, este modelo parece arrefecer nas obras didáticas. Na década de 1970 o aparecimento do Manual do Professor parece reforçar a oferta de orientações passo a passo. / The textbook is designed and conceived with a view to the student, however, its choice and use in the classroom depends on the actions of the professor, who often uses in the preparation of lessons and in the development of activities. From the 1960s, has become institutionalized the practice of offering specific material to faculty members in compendiums - the so-called Teacher Handbook. Before that, however, this initiative stemmed from the authors and publishers. Referencing the studies of Roger Chartier on the History of Books and Reading and Allain Choppin and Circe Bittencourt about textbook - this paper investigates the presence of guidelines to teachers in school books directed in primary and secondary level textbooks, edited in Brazil in three periods (1880 to 1930, 1930 to 1960 and 1966 to 1985). It uses a sample of works involving different disciplines. The goal is to identify the content of the instructions, as they are for each school level and how dialogue with the legal requirements and with current pedagogical models and propagated by educational journals. I concluded that, until the 1960s, the presence of subsidies to the teacher was not a rule for the publishing houses which varied according to the public for which it was intended. From the late 1960s, formalizes it through the action of three characters - authors and publishers, State and teachers - the offer of a textbook focused specifically to the teacher. Until 1930, we note a connection between the content of the instructions in the books and the paradigm of \"Tool box\", with its practical models to be applied in the classroom. Between 1930 and 1960, this model seems to attenuate in the didactic works. In the 1970s, with the appearance of the Teacher\'s Guide, returns the offering of a step by step guidance.

How can we predict key decisions made by organizations in the presence of big data and on-demand information? In this dissertation we exploit a large repository of B2B real-time transactional data with service quality indicators and present evidence that organizational decision analytics apply both rational and boundedly-rational (i.e. behavioral) economic models. The dissertation’s findings demonstrate that both utility and heuristic models, respectively, play significant roles in predicting organizational decisions on churn, a key decision in this context. In the presence of a large data set the assumed rationality of organizations appears to provide accurate predictions in uncontrolled experiences and selected boundedly-rational decision rules appear to cause somatic states that make organizations more sensitive to past total qualities of service. This dissertation makes significant new contributions to the understanding of how organizations can effectively use big data to make key operational decisions. As a managerial implication, organizations must be alert to heuristics that might exacerbate the impact of total service pain on customer’s decision to churn.