This thesis deals with marketing communication. The first part of the work is focused on the theoretical and general concept of marketing, communication mix and marketing communication on social networks. In the second part of thesis is realized a survey in the field of influencer marketing and there are recommended suggestions for improving the activity of influencers towards followers, and especially suggestions inspiring companies that do not use this form of promotion on social networks.

This thesis is focused on design and prototyping of solar panel position control system for an obtaining of the maxima renewable energy from sun. In this thesis, various ways of solar panel positioning are considered and analyzed. Consequently, a construction arrangement of the positioner is presented. It is mechanically adapted to obtain the maximum efficiency in typical environment corresponding with the Central European geographical latitude. Different methods of sun monitoring are considered and analyzed. On the basis of this analysis, a proper prototype of sun monitor for exact positioning with disturbance filtering has been constructed. Following part of work is devoted to stable, fully automated, control subsystem for reliable functionality of solar system. A suitable microprocessor with a robust firmware has been implemented to this control unit. Finally, system parameters measurement and closing analysis of gained renewable energy and backflow computation is presented in the end of this diploma thesis.

This diploma thesis deals with creation of a laboratory task related with analysis of kinematic quantities on cam machanism. A new measuring chain was created as a part of the new laboratory task for analysis of kinematic quantities with use of sensors and signal processing by software LabVIEW. The concept of the laboratory task on a experimental machine was based on knowledge gained from Current State of Knowledge where basic principles of laboratory training and utilization of cam mechanisms in learning were described.

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Titel: Transformativt ledarskap i en digitaliserad värld - En kvalitativ studie om användning av digitala verktyg och följarnas upplevelse av ett digitalt transformativt ledarskap Ämne: Magisteruppsats i företagsekonomi inriktning strategisk ledning, 30 hp. Författare: Arvin Moani och Anton Gustafsson  Handledare: Jean-Charles Languilaire  Examinator: Michal Lysek Nyckelord: Transformativt ledarskap, Digitala verktyg, Digitalt ledarskap, Ledare, Följare  Bakgrund: Idag påverkas de flesta organisationer av den digitala transformationen vilket leder till att ledarskapet nu måste förmedlas digitalt. Digitala ledare behöver därav utföra ledarskapet genom digitala verktyg och lösa de utmaningar digitaliseringen medför. Däremot är ledarskapet inte kopplat till någon traditionell ledarskapsstil och följarnas upplevelser av ledarskapet har inte uppmärksammats. Vidare specificeras inte vilka digitala verktyg en ledare är i behov av. Denna transformation har därför lett till ett aktuellt forskningsområde. Frågeställning: Hur använder en transformativ ledare digitala verktyg och anpassar sig till ett digitalt ledarskap? Syfte: Syftet med vår studie är att beskriva vilka digitala verktyg som behövs i ett digitalt transformativt ledarskap, samt beskriva hur följarna upplever ledarskapet. Detta görs genom att titta på hur väl det transformativa ledarskapet fungerar i den digitala miljön samt vilka digitala verktyg som används utifrån både ledare och följares perspektiv.   Metod: Studien genomfördes med kvalitativ karaktär och tillämpar en abduktiv ansats. Insamling av data har utförts genom semistrukturerade intervjuer till ledare inom olika branscher. Datainsamling från respektive ledares följare utfördes även genom kvalitativa enkäter. Den totala datainsamlingen bestod av 7 ledare och 19 följare.  Resultat: Studien drar slutsatsen att de digitala verktyg en digitalt transformativ ledare värdesätter främst är IKT och GSS/fildelnings verktyg. Vidare finner studien att andra digitala verktyg ledare använder är komplement och grundas på arbetet som utförs. Studien fastställer även att följarna i stor grad bekräftar ledarnas syn på det digitalt transformativa ledarskapet. Vidare finner studien tre centrala faktorer för ledarskapet som består av kommunikation, individ uppmärksammande och teknisk kunskap.

Biomechanical testing of cadaveric spinal segments forms the basis for our current understanding of healthy, pathological, and surgically treated spinal function. Over the past 40 years there has been a substantial amount of data published based on a spinal biomechanical testing regimen known as the flexibility method. This data has provided valuable clinical insights that have shaped our understanding of low back pain and its treatments. Virtually all previous lumbar spinal flexibility testing has been performed at room temperature, under very low motion rates, without the presence of a compressive follower-load to simulate upper body weight and the action of the musculature. These limitations of previous work hamper the applicability of published spinal biomechanics data, especially as researchers investigate novel ways of treating low back pain that are intended to restore the spine to a healthy biomechanical state. Thus, the purpose of this thesis work was to accurately characterize the rate-dependent flexibility of the lumbar spine at body temperature while in the presence of a compressive follower-load. A custom spine simulator with an integrated environmental chamber was developed and built as part of this thesis work. Cadaveric spinal motion segments were tested at 12 different rates of loading spanning the range of voluntary motion rates. The testing methodology allowed for comparison of spinal flexibility at room and body temperatures in the three primary modes of spinal motion, both with and without a compressive follower-load. Additionally, the work developed a stochastic model for rate-dependent spinal flexibility that allows for accurate prediction of spinal flexibility at any rate within the range of voluntary motion, based on a single flexibility test. In conclusion, the biomechanical response was significantly altered due to testing temperature, loading-rate, and application of a compressive follower-load. The author emphasizes the necessity to simulate the physiological environment during ex vivo biomechanical analysis of the lumbar spine in order to obtain a physiological response. Simplified testing procedures may be implemented only after the particular effect is known.

This thesis explores the role and impact of leadership as a socially constructed and aesthetic phenomenon in tribal-dominated Bedouin Arabia. The concept of leadership is investigated in terms of its discursive and aesthetic dimensions across different geographical, historical, and intellectual settings by adopting and applying a Foucauldian perspective of interconnected concepts of power/knowledge, discourse, subjectivity, body symbolism and the power of gaze. The thesis draws on three related types of data: First, images to understand the leaders’ perspective. Second, interviews with artists to gain insights into the visual message and the creative process. Third, through semi-structured interviews with the audience to garner an understanding of how it perceives the message leaders send. This thesis contributes theoretically to ongoing research into the visual representation of leadership and to critical debates concerning Foucauldian perspectives on discourse, power, discipline and the body. This thesis concludes by recommending practical implications for rethinking leadership as something both aesthetic and mythical to consider the role of followership in the consumption of leadership-themed visual artworks and communication, and the growing global role and influence of social media in shaping leader-follower relations.

A line-follower is a robot that follows a line. Line-followers can be used in industry, mostly for material transportation, but are also raced against each other in competitions. While line-followers used in industry prioritize smooth motion and accuracy, competition-style line-followers prioritize speed around the track. In order for a line-follower to perform well, it needs a robust control-algorithm. Usually, competition-style line-followers use a manually tuned PID-algorithm for control. Tuning a PID-controller can be difficult, and is dependent on the skill of the tuner. There are, however, multiple so called ”heuristic” tuning methods that can give more consistent results, quickly. In this work, some popular heuristic tuning methods have been investigated for control of a competition-style line-follower. The methods have been compared in terms of step-responses and cumulative deviation of the robot from a track. The results indicate that the purely proportional variant of the Ziegler-Nichols method gives the best performance for competition-style line-followers. The ”some overshoot” variant of the modified Ziegler-Nichols method gave the most consistent and accurate results, and could be appropriate for use in an industrial-scale line-follower. Surprisingly the newest method tested, the Tyreus-Luyben technique, had a very unstable behaviour, and have thus been excluded from multiple tests. / En av de enklaste typer av själkörande fordon är en linjeföljande robot. Dessa kan användas i industrin, som materialtransportörer, men också i tävlingar där den snabbaste vinner. För att en linjeföljare ska prestera väl så krävs en robust kontrollalgoritm. De flesta tävlingsinriktade linjeföljare använder sig av en manuellt inställd PID-algoritm. Att manuellt ställa in en kontroller kan dock vara svårt, och kan ge inkonsekventa resultat. För att snabbt ställa in en kontrollalgoritm, med goda och konsekventa resultat, finns det ett flertal så kallade ”heuristiska” metoder. I det här arbetet har några heuristiska metoder använts för att kontrollera en liten linjeföljare. Metoderna har sedan utvärderats utifrån stegsvar och den totala avvikelsen från en bana under en körning. För en liten linjeföljare så gav den rent proportionella varianten av Ziegler-Nichols-metoden bäst prestanda. ”Som eovershoot” varianten av den modifierade Ziegler-Nichols metoden hade dock det jämnaste och mest konsekventa resultatet, och lämpar sig antagligen bäst för en industriell linjeföljare. Förvånande nog så gav den nyaste metoden, Tyreus-Luyben, absolut sämst resultat, och kunde i många fall inte ens testas utan att roboten spårade ur.

The aim: to improve the efficiency of business processes in the promotion of the company in social networks on the example of Instagram. To achieve the goal, the following tasks were set and solved: 1. To study the theoretical foundations of the use of information systems for the efficiency of business processes. 2. To analyze the use of social networks to promote the company on the market. 3. To develop an information product promoting the company in the market. 4. To analyze the effectiveness of the introduction of information product based on Instagram. Object of study: The social network Instagram. Subject of research: business process of enterprise promotion "Points Kudelina". Results of work: 1) Considered the business processes of the enterprise, the necessity of the use of information technologies to improve business efficiency. 2) Studied options for promoting the company's products on the market, as well as the methods of conducting an advertising campaign in Instagram. 3) An advertising campaign was conducted by LLC "Points" and an assessment of its economic efficiency was made. / Цель работы: повышение эффективности бизнес-процессов при продвижении компании в социальных сетях на примере Instagram. Для достижения цели поставлены и решены следующие задачи: 1. Изучить теоретические основы использования информационных систем для эффективности бизнес-процессов. 2. Проанализировать использование социальных сетей для продвижения компании на рынке. 3. Разработать информационный продукт продвижения компании на рынке. 4. Проанализировать эффективность внедрения информационного продукта на основе Instagram. Объект исследования: Социальная сеть Instagram. Предмет исследования: бизнес-процесс продвижения предприятия «Очки Куделиной». Результаты работы: 1) Рассмотрены бизнес-процессы предприятия, обоснована необходимость применения информационных технологий для повышения эффективности бизнеса. 2) Изучены варианты продвижения продукции компании на рынке, а также представлена методика проведения рекламной кампании в Instagram. 3) Проведена рекламная кампания ООО "Очки" и сделана оценка еѐ экономической эффективности.

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