This project has revolved around finding better ways of overseeing vibrations of the gearbox at a wind power station. The gearbox has been a huge problem at the stations located at Gässlingen and the sooner the warning of an incoming breakdown is at hand the more money you can save from preparations. The work has been carried out together with Askalon AB in cooperation with consults from ÅF. Askalon is a company with a department focused on overseeing vibrations and it is in collaboration with that department the work has been carried out. During this work, new positions for the sensors and new methods of gathering and analyzing data have been worked out. This was then implemented at a wind power station to be tried out on site.

Denna uppsats redogör för hur standardsystem utvecklas i utvalda,undersökta miljöer. Syftet med denna uppsats är att delge kunskap omutveckling av standardsystem samt att identifiera och belysa de steg somutvecklingsprocessen innefattar. Studien är genomförd på två fallföretagsom tillverkar standardsystem och har använt kvalitativa intervjuer föratt fånga kunskapen om standardsystemsutveckling.Resultatet av studien är en utvecklingsmodell som beskriver hurutvecklingen av standardsystem går till och vilka faser den innehar samthur de avviker från konventionella livscykelmodeller. Det beskrivs ävenmer ingående vilka faser som ingår i den identifieradeutvecklingsmodellen, Förstudie, Planering, Utveckling, Test,Implementering och support. Hur de fungerar och vilken betydelse dehar för standardsystemet..

Denna uppsats är ett examensarbete i integrerad produktutveckling vid Högskolan i Skövde.Rapporten redogör för utvecklingen av en hundgrind som är anpassad för hemmabruk. Syftet med projektet har varit att ta fram en estetiskt tilltalande produkt som är anpassad efterkundens behov.Projektet har genomförts i fyra faser; planering och förtydligande av uppdrag, konceptuell design, konceptutveckling samt detaljdesign. I samtliga faser har olika miljöaspekter vävts in, för att den färdiga produkten skall utgöra minimal miljöpåverkan. Miljöfokus har i förstahand integrerats i projektet i form av livscykelanalyser och en checklista för hållbar utveckling.Resultatet av projektet är en grind som till största del utgörs av perforerad aluminiumplåt. Grinden är flexibel till bredden så att den går att fästa i de flesta standarddörrkarmar..

Construction of an autonomous wind station was a project with the goal of creating a product that could collect wind data from a sensor and then transfer this data to a server wirelessly over the GSM network. The device would be powered by batteries and solar cells and function fully without requiring external power supply. This required that a small computer was constructed and programmed to store and send data at predetermined cycle times and programming of a server that received the sent data. The project also required optimization of power consumption and dimensioning of solar cells and batteries based on this. The construction of this station demanded research both for the selection of hardware and programming software. The computer was based on a microcontroller and a GSM module that sent the data over the 2G network.

In Sweden there are 1894 small-scale hydropower plants in operation, which together generate 4.3 TWh of electricity per year according to Swedish hydropower compound (SVKF, 2011). This corresponds to the annual consumption of about 860,000 Swedish households (based on an annual consumption of 5000 kWh). In the mid-1950s there were around 4000 small-scale hydropower plants in operation in Sweden before cheap fossil fuels and uranium competed with them, in the current situation only 1,894 of these are in use. If slumbering small hydropower plants once again would be taken into use and some new ones are built, we would be able to extract about 7 TWh of renewable electricity from these annually in Sweden, representing about 1.4 million households.The thesis intends to calculate and construct a hydroelectric power plant at the existing dam in Olofsfors and give suggestions on how the power station should run during the time that fish migration is greatest in Leduån.The turbine and generator to the station in Leduån at Olofsfors is designed by the height of the fall and the water flow through the dam. The turbine selected for the station is a CK-1000RM turbine with a 4-pole 250 kW generator from Cargo & power turbine Sweden AB, which is expected to deliver 1.2 GWh per year.

This Thesis in Military Technology deals with experiences drawn from the forced introduction of Weapons Station 01, 2009. The work aims to identify the experiences regarding the forced procurement of military equipment to see how they can develop normal and fast procurement of equipment. The main conclusions of  this work, is to achieve greater capability and increase the military utility, are: -          Common objectives and priorities of stakeholders-          Response and joint types shall determine requirements for system-          Ensure an integrated project team also at lower levels-          Engage the integrated logistic support early in the materiel process-          Include Armed Forces staff as early as possible in the testing and validation-          Prioritize work to facilitate the rapid development of decision on use (BOA)-          Provide back up for increased redundancy in the mission area .

In this thesis a transport system is sought after thatif realised in the city of Uppsala could provide bothwell-being to all its inhabitants and sustainability,here jointly refered to as liveability. It is found thatthe car dominated transport system that is inoperation today provides two fundamental values,namely accessibility in both time and space, whichsets it apart from other transport solutions. Thesetwo values are of immense importance for theliveability in our modern world. On the other handthe car dominated system decreases the liveabilityof Uppsala in several different ways. Some of theseproblems, it is argued, could be solved within thecar system, through the adoption of moreenvironmentally friendly cars etc., but otherproblems are inherent in the car system and willremain no matter what changes are made.

Detta examensarbete utfördes våren 2007 på industriverkstaden Ducorail i Luleå. Målet med examensarbetet är att få in tre nya arbetsstationer i den nuvarande produktionskedjan, dessa tre stationer är en demontering/monterings station för cylindriska lager, och en liknande station för TBU lager samt att en tvättanläggning ska nyinstalleras. Den befintliga kedjan ska ses över eftersom en del stationer kan hamna i vägen om man låter dem vara kvar. Utan omorganisation skulle det leda till onödigt truckanvändande eftersom hjulen måste lyftas över stationer som ligger felaktigt. Några alternativa lösningar togs fram, efter utvärdering av dessa valdes en idé att arbeta vidare på.

Eco-design is all about improving products environmental performances throughout the products lifecycle by including the environmental aspect into the product development process. There are a large number of different tools that can be used for this, but there are several factors that can affect which one will be the best to use. Some tools for eco-design takes comprehensive studies and can only be performed by experts, while some tools can be used more time- and cost efficient and with basic knowledge. The choice of tool should be based on the company?s situation.This report describes the research of how the design and furniture company Blå Station could include a tool for eco-design in their product development process.

For att brytning under jord ska vara mojlig maste stora mangder frisk luft pressasned till brytningsnivan, vilket gors fran olika gruvventilationsstationer. For att undvikanedisning i schakten varms tilluften upp till 1. innan luften transporteras nedi berget. Idag sker denna uppvarmning av varmebatterier som nyttjar spillvarmefran kulsinterverken. Finns ett extra varmebehov spetseldas det med olja.Franluften ar fuktig och varm.

Nanofiltration is a proper way of preparation of drinking water. The process has a lot in common with reverse osmosis where a semipermeable membrane is used to separate a pure water flow from the remaining water. A pilot plant was used to ensure that nanofiltration is a suitable technology for a specific waterworks station in Glemmingebro, Ystad. The purpose was also to find out if a pH-adjustment is needed for feed water in a possible full scale plant.  In this case nanofiltration is used mainly to remove sulphate and calcium since the raw water contains concentrations of these substances which exceed the limits for potable water. It is important to receive a high recovery (RC), otherwise the deliviery of water won?t be high enough.

The names of railway stations and halts along the earliest railway lines on Lithuanian territory have been studied, i.e. along those railway lines built between 1861 and 1873. Especially, attention has been drawn to names that are not obvious regarding the geographical location of the station or halt. Some 50 percent of the names are showing some kind of irregularity in this respect. Most common (about 30 examples) are stations or halts that are serving a population centre situated at some distance from the station, but still bearing the name of that population centre.

This report is presenting an approach that can be used to measure water surfaces in difficult conditions caused by dense vegetation and lack of nearby known points. The objective was to make a contribution to necessary measures for adaptation against floods in Grums Municipality along the stream Karlbergsån, which may occur when persistent rain raises the level of the stream. Along the river there are low-lying areas prone to flooding. According to Grums Municipality, the stream may widen where the water level differences are large, to create a better flow path and to counteract flooding. Grums Municipality was also interested in survey stormwater discharges which may affect the water level in the stream.

I början av 1800-talet började järnvägsnätet i delar av Europa elektrifieras. Då klarade inte motorerna att kommutera vid nätets höga frekvens, 50 Hz, då omformades istället frekvensen till 16,7 Hz. För att växla frekvensen användes roterande omformare. Senare kom mobila omformare som stod på järnvägsvagnar. Dessa omformarstationer var ofta placerade i bergrum.

The upstream spawning migration of Atlantic salmon (Salmo salar) at the confluence area between the power-station outlet and the bypass-channel in river Umeälven (flow 430 m3s-1) was compared in 2004 and 2005, two years with different experimental flow-regimes. In 2004 the water flow in the bypass-channel was altered during the day with increased flows during the nights while the water flow in 2005 mainly was altered between the weekdays and weekends. Salmon showed altered migratory behaviour in this confluence area, assessed with telemetry (n=116) and echo-sounding, with up- or downstream responses depending on flow-changes in both the bypass and the power station outlet. Increased turbine flow through the power-station generally attracted salmon into the tunnel outlet area while increased spill-flows facilitated salmon to enter the bypass. Echo-sounding in the confluence area showed an increased swimming activity up- and downstream due to time in the day and flow-rates through the tunnel outlet. No changes in activity could be detected due to increasing or decreasing flow through the hydro-power facility.