The aim of this master thesis was to create a dynamic model for the processes in a solid fuel boiler of the moving grate type. Another aim with the model was to keep it as simple as possible but still able to catch the dynamics of the processes in the bedplate of the boiler. The creation of the model had its origin from drying and combustion equations used in earlier modeling work of boilers. The represented model has been used to simulate different kinds of disturbances in a boiler and different ways to control the boiler. These tests show that controlling a number of parameters in the bed of the boiler is an effective way to keep the grate stable during disturbances.

The predominant forestry harvesting method is based on the harvester-forwarder method, theharvester folds, branches and cuts trees, and sorts the logs into piles, while a forwarder transportsthe logs to a landing area.This master thesis work is about realization of a dynamic forwarder simulation model, and itspurpose is to provide an integrated forwarder simulation model in MATLAB/SimMechanicswhere the forwarder is based on a concept using pendulum arms to connect wheels and chassis.Active suspension control is developed and implemented into the simulation model, and finallycompared in simulation with passive suspension.In a first step, an integrated forwarder simulation model is developed, containing a simplifiedforwarder model, a tire-to-ground interaction model and a test track model. The simplifiedforwarder model is based a rigid multi-body system with a spring-damper suspension of thependulum arms. The tire-to-ground interaction model calculates the reaction forces, friction fromthe ground and applies the propulsion force. The test track model is a simplified version of thereal test track in Skogforsk. The propulsion wheel torque control is used to regulate theforwarder speed.

Affärssystem har de senaste åren uppträtt som kärnan i framgångsrik informationshantering och agerat ryggrad i många företagsorganisationer. Införskaffandet av rätt system är en komplicerad process, men ofta avgörande huruvida en framgångsrik implementering skall fortskrida eller inte. Perioden då företaget inskaffat ett system till den definitiva utrullningen är således ofta en krävande och kostsam process för organisationen. För att avgränsa begreppet affärssystem har vi valt att använda Gartner Groups definition: ?A collection of applications that can be used to manage the whole business?.

Kostnader har under många år varit en viktig faktor inom försvarsindustrin och vid ana- lys av militära system. I syfte att minska sina kostnader och öka effektiviteten har många nationer infört olika analyser, verktyg och begrepp för utvärdering av sina utgif- ter gällande försvarsmaterial, där en av dessa är livscykelkostnadsanalys. Livscykel- kostnadsanalysen används för att identifiera de mest betydande kostnadsdrivarna och därmed möjliggöra den bästa kombinationen av resursanvändning. Livscykelkostnads- baserade uppskattningar skapar också ett långsiktigt perspektiv och på så sätt underlät- tar detta en mer genomarbetad bedömning av investeringar.Denna studie har genomförts vid Saab Dynamics i Karlskoga som tillverkar missilsy- stem och understödssystem till försvarsindustrin. I Saab Dynamics fall finns det i dags- läget inte ett standardiserat arbetssätt för användning av livscykelkostnadsanalyser.

This 15 point thesis is carried out at Saab Dynamics AB in Karlskoga. The company produces defense material aimed at the Swedish market and for export.The task was to make a survey of the current zeroing procedure for Sub Caliber Adapter for 84 mm recoilless rifle Carl Gustaf, and to examine the accuracy of the tools used today for zeroing.Measurements performed show that some of the tools has good accuracy for zeroing of Sub Caliber Adapter 20 mm withe other tools are not so good. The accuracy for zeroing of Sub Caliber Adapter 7.62 mm is not sufficientWith a suitable design it is possible to produce tools with good accuracy for zeroing of Sub Caliber Adapters..

Millesgården is a museum on the island of Lidingö outside Stockholm. It contains the buildings which were the home and studios of the artist Carl Milles and his artist wife Olga. It also contains the grounds that originated as the garden of their home. Carl Milles later developed the garden into a sculpture park where a great part of the sculptors works are on display. In this report only the sculpture park is treated.

The purpose of this thesis is to examine how the working method partnering has been welcomed in the Swedish construction company NCC and find possible explanations to this. The theoretical background used to understand and discuss our findings mainly builds on value and network dynamics. The empirical study is of a qualitative nature and builds upon 13 semi-structured interviews and the participation in a two-day start up workshop with 21 representatives from involved parties. The study shows that partnering has been positively accepted at NCC. Possible explanations for this can be found in the contrast the method represents to the traditional way of working within the construction industry.

Visualization is a rapidly growing area of computer graphics. Due to the very progressive development of computer technology and especially 3D-graphic boards yesterdays imagination of visualizations, today is a reality. At Saab Bofors Dynamics in Linköping missile systems are developed. Through the development, different subsystems are simulated before the manufacturing starts. The results of these simulations have to be visualized to get a meaning.

Syftet med det här arbetet har varit att välja ut och integrera en lämplig fysikmotor med öppen källkod i simuleringsprogramvaran EWSim på Totalförsvarets Forskningsinstitut (FOI). EWSim är ett ramverk för duellsimulering i olika telekrigsscenarier. Teorin bakom fysikmotorer och några vanliga tekniker för fysiksimulering har beskrivits kortfattat. Tre fysikmotorer har presenterats och utvärderats med avseende på lämplighet för integrering i EWSim.Fysikmotorn Bullet valdes ut och integrerades i simuleringsprogramvaran. En av de huvudsakliga slutsatserna av arbetet är att fysikmotorer som Bullet mest kan bidra med ökad visuell realism i EWSim.

This essay examines the Swedish debate on Internet hate with focus on theories concerning Internet as a public sphere, sociocultural turbulence and subaltern counterpublics. Examining material fromnewspapers, alternative news media and discussion forums, with an hermeneutical influenced method, the task is to understand the Internet hate debate, and the study wishes to discover its relations to biggercontexts, such as social transformations and power dynamics. The conflict evolves between the establishment (journalists, writers, politicians et cetera) on one part, and Internet ?haters? on the other.The examined theme also shows a conflict where the two combatants show not only two opposite views on what Internet hate is, but also shows two different conceptions of the world..

The number of inhabitants of the towns and city centers have generelly increased, concurrent as the population in smaller towns has decreased. In Stockholm, the migration is very fast and here is also the most populous place, if one compares with other Sweden. In order to respond to the increasing population and the pressure they put on city spaces has Stockholm's town a town building strategy that says "build inwards". It means that one stem seals the town with spaces and business activities in central locations. The increased population in the towns and the densification of buildings leads however to an increased pressure on parks and public places.

Due to excess precipitation that cause runoff, all soils in Sweden naturally leaches nitrogen.High leaching from arable land is an environmental problem when the runoff reacheswaters. In the international agreement, Baltic Sea Action Plan, the aim is to reduce therunoff of nutrients. Sweden has agreed to reduce its load of e.g. nitrogen to the Baltic Sea.One of the proposed measures is an increased use of site-specific N-fertilization, which hasbeen shown to increase nitrogen use efficiency and therefore also reduce the nitrogen runoff.Either yields are increased with the same total amount of nitrogen, or the total quantityof nitrogen is reduced with preserved yield levels, which is profitable for the farmers.The dynamics of nitrogen leaching differs between top dressing applications above orbelow the economical optimum. There is a consensus about a difference in the dynamics,but not about its magnitude.

The purpose of this paper is to identify and analyze success factors in the integration of students with special needs in regular schools. This will be done through the case study of a nine year old autistic student in a small town public school ? a fairly representative case for the Swedish school system. The data collection methods used in the paper are; three participant observations of the student, and a qualitative interview with two of the student?s teachers.

This thesis has been conducted at Saab Bofors Dynamics AB. The purpose was to investigate if a non-linear missile model could be stabilized when the optimal control signal is computed considering constraints on the control input. This is particularly interesting because the missile is controlled with rudders that have physical bounds. This strategy is called Model Predictive Control. Simulations are conducted to compare this strategy with others; firstly simulations with step responses and secondly simulations when the missile is supposed to hit a moving target.

In this study we have focused on how board work is affected by companies growth and development. This research has been conducted through a case study of Teleopti AB, a private Swedish family-owned company, together with theory and literature studies. We have studied the development of Teleopti since its founding in 1992 until today and what impact this company's development has had on Teleopti's board work and composition during the same period. Through the study we came to the conclusion that Teleopti's board work has gone from being supportive and advisory to more professional with a higher degree of board involvement. This change has been caused by the reduced information asymmetries, the increased need for board's expertise, the new board dynamics and the CEO change caused by the company's growth..