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16828 Uppsatser om Measurement system analysis - Sida 33 av 1122

Analys av tidsåtgång vid montering av aggregat på Haldex Barnes Hydraules

Haldex Barnes Hydraulics (HBH) is a company which produces hydraulic aggregates for use in forklifts, construction equipment, and trucks. The last two years the company has expanded. This has lead to an insufficient production of aggregates. Thus wishes HBH to increase their production without making to large investments.This report includes a now-state analysis of the problems and where they are. From this a further analysis of possible improvements are made.HBH works mainly with assembling and this is made manually.

Analys av lageregenskaper utifrån mätningar i testrigg

Vertical hydropower units has a rotating mass of up to 1000 tons. For the generator and turbine to work well the rotating system is required to be centered in relation to the surrounding structure. This is achieved by means of radial bearings. The dynamic characteristics of these bearings have a strong impact on the overall rotational dynamics of the total system and thus influence the vibrations in the unit. At Vattenfall Research & Development in Älvkarleby ongoing research is taking place on how the bearing parameters should be represented in the rotor dynamic calculations.

Spenarnas kondition i automatiska mjölkningssystem : en studie av två spensprayer

Two post milkning teat dips (PMTD´s) were compared in an automatic milking system at Kungsängen Research Farm, owned by SLU (Swedish University of Agriculture) in Uppsala. In the experiment an evaluation system was used where teat condition regarding skin and teat ends was graded according to a scale where 1 was the best score and 5 the worst. The evaluation period was almost six months in total devided into four minor experimental periods. The technician scoring the teats did not know which PMTD that was currently used. Statistical analysis showed a significant difference between the two PMTD´s regarding teat skin condition, but not regarding teat ends.

Verksamhetsanalys Jämförelse mellan IAEA och OKG AB inom E.ON-koncernen

The safety and safety work on OKG, Oskarshamns Kraftgrupp, is supervised by SKI, Swedish nuclear power inspectorate. The task of SKI is to inspect that the nuclear power plants of Sweden runs in a safe way. The proprietor of the permit who runs nuclear power plants has the responsibility to maintain the required safety to run a plant. SKI publishes a number of statue books that OKG has to meet to be able to run the plants. SKI recommends in SKIFS 2 004:1, that OKG work with the safety requirements of IAEA.

Hen på bibliotek : En diskursanalys av genusintresserade bibliotekariers tal om begreppet hen

This master?s thesis looks at discourses that use the pronoun ?hen?. The media debate in Sweden over this pronoun in 2012 started in connection with the publishing of a children?s picture book: Kivi och monsterhund, by Jesper Lundqvist and Bettina Jansson. The essay investigates how eight librarians, who take an interest in and work with gender issues, talk about the pronoun hen and about this picture book and other books that have characters which are not named as a sex/gender.The essay takes a discursive perspective on reality and on the construction of knowledge and carries out a discourse analysis of the librarians? talk in the qualitative interviews that were made for this study.

Utveckling av verktyg för linjär analys av JAS 39 Gripens styrsystem

Linjäriseringar av olinjära system är mycket relevanta eftersom det finns en i förhållandevis enkel och omfattande matematisk teori kring linjära system, till skillnad från allmänna olinjära system.För vissa olinjära system är det svårt eller inte ens möjligt att genomföra en analytisk linjärisering.Orsakerna till detta kan vara hög komplexitet av systemet eller avsaknaden av ett analytiskt uttryck.Numerisk analys kan vara en lösning på detta problem.I detta examensarbete används framåtdifferens och centraldifferens för att genomföra de derivata-approximationersom behövs för att genomföra en numerisk linjärisering av ett olinjärt system.Rapporten behandlar även vad som sker då det är dålig upplösning på den indata som används när man genomför enlinjärisering, vad som händer med heltal och binära signaler om de ingår i ett system som linjäriseras ocheffekten av att ha olika samplingstider för olika delmoduler i ett system som linjäriseras.Slutligen undersöks numerisk bilinjärisering av ett system på bilinjär form och en jämförelse mellan analytisk linjärisering och bilinjärisering görs..

Projektuppföljning - En studie av relationen mellan projektuppföljning och organisationsstruktur

This paper aims to examine performance monitoring in project organisations. The number of organisations that regularly performs projects as a key part of their operations grows rapidly, why this topic has become of large interest. Through a theoretical framework developed by Lars Östman in 1977, the performance monitoring system of the Swedish government-owned public utility Svenska Kraftnät is studied closely. The results from this analysis are then linked to an analysis of the organisation's internal structure through Mintzbergs generic organisational structures. Close connections are found between organisational structure and performance monitoring, which leads on to interesting observations about the connection between size of a project organisation and choice of monitoring method..

Solcellsdrivning av distribuerade inbyggda system

The high level of energy consumption that the industrialised countries have reached and thepollution that this brings has long been a cause for analysis and debate, development and usageof so called renewable energy sources is therefore more important than ever. The energy in theelectromagnetic radiation from the sun is an interesting alternative. One way of harvesting thisenergy is by using solar cells, devices that generate DC current when exposed to electromagneticradiation.The goal of this master?s thesis was to design a solar powered power supply to Syntronic AB?sMidrange platform. The envisioned application is a stand-alone distributed embedded system,for example a node-based temperature monitoring system.

??från att vara ett föremål av guld till en ?rostig metallbit?.? : en rättssociologisk studie, med en diskursanalytisk metod, av domar med hederskontext

This paper discusses honour related crimes and the judicial process within the legal system in a Swedish context. The empirical base of the study is four cases, with an honour background, and we have used discourse analysis as our method. We have developed four tools for analysing the sentences with which we observed aspects such as; language, the roles of victim and perpetrator that the involved can undertake, the different identities that the sentence might create and finally how the stories change when they enter the legal context. We connect our results to our theoretic backgrounds such as Kolfjord who discusses the legalization of conflicts, the holistic and individual perspective, the legal system as a theoretic background and finally the UN:s definition of honour crimes. These four theoretic perspectives have helped analyse the empiric base.

Minnet sviker Aldrig : Att utnyttja volatil data i Krypterade system

When the use of encryption amongst the regular computer user grows morewidespread than ever it makes the life of the IT-forensics experts difficult.Hampering the judicial investigations that otherwise could have lead to convictions.In this report we will treat the subject of crypto analysis with a focus on decrypting files and devices encrypted with the software TrueCrypt. A solution will be presented that can facilitate the future work involving encryption. The application DFEAT that has been developed during the writings of this report is faster than the corresponding software EFDD, and attacks both partitions and bitwise copies of entire harddrives where PKF fails.DFEAT is a lightweight application that is almost 50 times smaller compared to EFDD and 200 times smaller than PKF's portable version..

Verifiering av beräknad energiprestanda för flerbostadshus byggda år 2007-2009

The building industry consumes approximately 40 % of the total energy consumption in Sweden, where the using stage is dominating with 80 %. There is a lot of work in progress to reduce energy use in the building industry, and the demands from authorities regarding energy use increases. As a part of this work Building and planning department of Sweden has established a requirement that has been applied since 2006, and restricts a maximum energy use for buildings.The requirement includes that an energy simulation must be done in advance to demonstrate that it is possible to meet the demands.Reality is however more complex than an energy simulation program, that frequently underestimates the energy use of buildings. The purpose of this thesisis to study and analyse deviations between estimated and actual energy use in modern apartment buildings. The study includes four apartment buildings in Stockholm, Gothenburg and Jönköping that were built in 2007-2009.

Hur hanterar institutioner en miljö med blandade Operativsystem?

The purpose of this thesis is to investigate if there are environments that use some kind of central authentication system within institutions/schools. The hypothesis is that an institution not using a form of central authentication service has more need for maintenance and as such is considered a higher cost for the organization. The gathering of data has been done through interviews with technical personal at Blekinge Tekniska Högskola and Linköpings Universitet. Based on the technical background of the authors, and the system limited to discussing Windows and UNIX operating systems, a discussion and analysis of the systems working today has been done, with emphasize on the hypothesis..

Upphovsrättens effekter på biblioteken : En diskussion kring bibliotekens position, verksamhet och framtid

This master thesis examines the copyright law with the purpose of sorting out the consequences and the effects of the law impacted on libraries. The theories used are mainly discourse analysis and public domain theory. At the centre of the examination is the effects that copyright law bring to libraries and their ability to perform their work. A major part of this thesis is gathered around the analysis of the presumptive key words that give the structures of copyright law the possibility to claim rightfulness. This is an outspoken strategy to illustrate the discourse of copyright law.

Användbarhet i interna IT-system : Vilken påverkan har användbarheten i ett internt IT-system vid en arbetsmiljö på distans?

Användbarheten av IT-system förbättras ständigt och företag har fokus på att förbättra sina IT-system som företagets kunderna använder då det leder till fler och nöjdare kunder. Annorlunda ser det ut för interna IT-system, alltså datasystem som används av medarbetare och som ska förenkla arbetsuppgifter, effektivisera arbetet eller även möjliggöra att utöva arbetsuppgifter vid en arbetsmiljö på distans. Användbarheten av interna IT-system står inte lika mycket i fokus som användbarheten av kundcentrerade system och istället för att åtgärda brister i användbarheten tvingas medarbetarna att lära sig hantera IT-systemets brister.Utgångspunkten för arbetet var funderingarna över vilken betydelse användbarheten har för ett företag när det gäller interna IT-system vid en arbetsmiljö på distans. Ansatsen var att undersöka om användbarhetsproblem i praktiken leder till att användarna upplever ett IT-system som dåligt i den särskilda situationen av ett arbetsmiljö på distans. I en fallstudie utvärderades ett IT-system som används av försäkringsombud som arbetar på distans med hjälp av en enkätundersökning och användarintervjuar samt hierarkiska uppgiftsanalyser.

Kostnadsutjämningen inom Barnomsorgen i Sverige - en diskriminantanalys

Sweden?s District councils and Country councils are in itself to a large extent responsible for the state financed welfare. Because of this, Sweden has a contribution- and adjustment system. The reason for this system is to create equal chance, for all District councils and Country councils, to be able to give the citizens service independently of their income and non-influential structural differences. The adjustment is built upon the so-called standard cost method, which contains four different parts.

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