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455 Uppsatser om Parameter estimation - Sida 21 av 31

Arenor för fysisk aktivitet, om ungdomarna får bestämma! : - En tvärsnittsstudie avseende vilka idrotts- och motionsanläggningar ungdomar vill att deras kommun satsar på.

Introduktion: En fysiskt aktiv livsstil är förenlig med många positiva hälsoeffekter hos både vuxna och ungdomar. Dessutom är upplevelsen av fysisk aktivitet i ungdomsåren en viktig parameter för en fortsatt fysiskt aktiv livsstil i vuxen ålder. Dock finns en stor grupp ungdomar som inte når rekommendationerna för fysisk aktivitet. Samtidigt anses ökad delaktighet, tillgänglighet och möjligheter till egna val vara viktiga aspekter för att ungdomar ska bli fysiskt aktiva.Syfte: Syftet med föreliggande studie är att undersöka vilka idrotts- och motionsanläggningar som ungdomar vill att det satsas på.Metod: Studiens design är en tvärsnittsstudie, där underlaget består av en enkätundersökning innehållandes 2,404 skolungdomar. Enkätunderlaget införskaffades inom projektet ?Ung livsstil? i Stockholms stad.

Capacity studies on DeLavals sort gate DSG10

In the dairy production it is necessary to be able to sort cows. Dairy cows are sorted for many different reasons i.e. regrouping into production strings or for treatments i.e. inseminations, pregnancy and health checks, vaccinations or hoof trimmings. One labour saving way of conducting sorting is by using an automatic sort gate.

En generell processkartläggning av leveransplanering för biobränsle i Sverige

The contribution of biofuels to the total consumption of energy in Sweden must increase to 49 % in order to meet the goals for the year 2020 set by the European Union. In order to do so, improved information systems are needed to support the business processes within delivery scheduling between customers and suppliers.Enterprise Architecture (EA) is a concept to enable the alignment of Business processes and Information Systems. EA is the framework for the architectures of business, information and applications. With a comprehensive view of the architectures, an Information System aligned with the Business processes can be enabled. The first step in the development of an Information System is documenting the business processes.The goal of this study is to clarify a generic sequence of activities performed within the delivery scheduling process and the information needed to perform the activities.Data for the study was collected through qualitative interviews, first through a meeting with the respondent and after that a following telephone interview with in total 5 suppliers and 6 customers of biofuels.

Det strategiska kanalvalet - ett kriskommunikativt framgångsrecept

Kris, kris, kris! Löpsedlarna skriker ut sitt budskap och allt ställs på sin spets. Situationen är allvarlig och företagets kommunikativa kompetens sätts på prov. Det är just denna kommunikation, den relaterad till en krishändelse, som fokuseras på i föreliggande uppsats. Området anses vara intressant då det förefaller som om det föreligger en teoretisk kunskapslucka däri. Begreppen issues- respektive reputation management behandlar främst proaktiva åtgärder medan crisis management framstår som ett luddigt formulerat samlingsnamn för alla åtgärder relaterade till en kris.

Trötthet hos sjuksköterskor och patientsäkerhet

Aim Developmental Coordination Disorder Questionnaire 2007 (DCDQ'07) is an international survey tool based on parents' estimation of their child's motor coordination skills. The purpose of this study was to investigate the validity of a Swedish version of DCDQ'07 by finding out how the classification of Developmental Coordination Disorder (DCD) via DCDQ'07 is consistent with the classification of DCD via the motor impairment test, Movement ABC.MethodIn the context of a larger study, a Swedish translated version of the parent survey DCDQ'07 were sent to 4000 randomly selected families with children aged 8 - 10 years in Stockholm County. The classifications "DCD" or "NOT DCD" with cut-off values ??of 56 (9 years) and 57 (10 years) were applied. Forty families were selected from 410 registered responses.

Utveckling av en HBV/PULS-model med sammanfogade markfuktighets- och responsrutiner

Soil properties affect the chemical composition of soil water. When studying transport of chemical substances through a basin, it is therefore important to know from which soil layer the main part of the runoff is generated. The aim of this study is to develop an HBV/PULSE model with merged soil moisture and response routines, which generates good approximations of groundwater levels. It should be possible to extend the model to simulate transport of substances and take into account which soil layer the groundwater level is currently in. The hydrological version of HBV/PULSE is used since there is no need to account for pH or alcalinity at this stage.

En ekonomisk utvärdering av framtida biobränslebaserade processkoncept inom energisektorn

The main purpose of this bachelor thesis is to create a product in the form of a database that can be used for cost estimates of equipment within bio refineries. Through interviews and literature searches the key components and their costs were identified. The database was constructed in Microsoft Excel with different tabs for different categories of components; these tabs are further divided into three parts: one part with costs, one part with calculations and an information part. Most of the part with costs contains the expenses found in scientific papers during the literature study, the calculating part converts different capacities according to user preferences and the currency to euro (?) from 2010 and the information part consists of references and information about what is included in the cost.The database is a good tool for making cost estimates for bio refineries.

Reglerstrategi för fria ventiler : ? Utveckling av en fyrtakts förbränningsmodell för att prediktera optimala ventilinställningar

As emission legislations across the world continuously pushes engine development forward,engineers constantly need to come up with and implement fuel saving technologies. During thelast decade, variable cam phasing has become a popular solution to increase gas exchangeefficiency. This configuration is typically mechanically constrained by camshaft limitations, anda solution to circumvent this problem would be to use a different valve actuation principle.One example of this is to use pressurized air controlled by electrical solenoids. Such a systemhas been developed byCargine Engineering and this provides the starting point for this work. Tobe able to operate the valvetrain on an actual engine, a control system is needed.

Nutrition och nutritionsstatus hos patienter med esofaguscancer

Aim Developmental Coordination Disorder Questionnaire 2007 (DCDQ'07) is an international survey tool based on parents' estimation of their child's motor coordination skills. The purpose of this study was to investigate the validity of a Swedish version of DCDQ'07 by finding out how the classification of Developmental Coordination Disorder (DCD) via DCDQ'07 is consistent with the classification of DCD via the motor impairment test, Movement ABC.MethodIn the context of a larger study, a Swedish translated version of the parent survey DCDQ'07 were sent to 4000 randomly selected families with children aged 8 - 10 years in Stockholm County. The classifications "DCD" or "NOT DCD" with cut-off values ??of 56 (9 years) and 57 (10 years) were applied. Forty families were selected from 410 registered responses.

Retention av tungmetaller i en anlagd våtmark : studier av Vattenparken i Enköpings kommun

The aim of this study was to examine the amounts of heavy metals in the sediment of a wetland constructed for stormwater treatment. The wetland is called Vattenparken and is located in the city of Enköping. The heavy metals which were analysed were Pb, Cd, Ni, Zn, Cu, Cr and Hg. The total metal concentrations were determined using HNO3 chemical extraction. From 8 sampling sites 5 sediment cores were taken.

Habitat preferences and reproductive success forthe threatened longhorn beetle Plagionotusdetritus

Plagionotus detritus is a threatend longhorn beetle that only exists at one site in Sweden. It is saproxylic and depending on recently dead coarse oak wood for its larval development. Trees at Djurgården, Stockholm that have been colonized by Plagionotus detritus has been studied to find out the habitat preferences of the species and to see what affects the density of beetles in a tree. The bark of some trees and wood from the breeding project at Nordens Ark has also been studied to find out what affects the species reproductive success. The reproductive success was measured in two ways, the larval mortality and the size of the hatching holes.

Värderelevansen av Bokföringsdata - samband mellan immateriella tillgångar och marknadsvärde

In latter years there has been a discussion about the increasing importance of intangible assets and how to incorporate this fact into strategies, accounting and valuation. The ?Internet-bubble? is a recent event that drew much attention to intangible assets, and was an indicator of how complex it can be to value assets in general and intangible information in particular. Legislators recently addressed this issue by introducing IFRS3, which led to an update of IAS38, which in turn revised the methods for handling intangible assets. A specific intangible asset that has caused much debate is research and development (R&D), since it is commonly not allowed to be realized as an asset, which could cause implications concerning analysis and valuation.

Hackelselängdens betydelse för tuggtid och foderkonsumtion hos mjölkkor :

Today, our cows experience a harder pressure to achieve higher milk yield. To manage this challenge the animal needs first class feeding and treatment. An important aspect of the feeding is to fulfil the need from the cows of especially fiber; and fiber with a sufficient proportion of long particles. Both too much and too little fiber is bad for the wellbeing of the cow, and she might get diseases like acidosis. Many models for feed management have been developed to secure that the animal gets enough of e.g. fiber with a sufficient proportion of long particles.

vindkraftens påverkan på elkvaliten

This thesis concerns how the power quality in the grid is affected by the connection of wind power plants. As things are at present, Fortum Distribution AB has a number of wind turbines and wind parks connected to the own grid. As the pressure on building and connecting additional wind power is increasing, so is also the interest of how the already existing wind power generation affects the power quality in the nearby distribution grids. The study is performed by direction of Fortum Distribution AB and is limited to the 10 kV/40 kV-grid in Bohuslän, Sweden. The methods for calculation of power quality are compared to the results of a number of measurements.

GPS-­baserad virtuell geografisk inhägnad för mobil enhet

The aim of this paper is to find an algorithm to establish and maintain a virtual enclosure around a mobile unit. The area may take any form and should be scalable up to and including national borders. The enclosure is managed on the mobile unit. The target system is Android. Smartphones, tablets and more recently, cameras is examples of mobile units.

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