Den tekniska tjänsten är idag av stor betydelse för att Försvarsmakten skall fungera. Uppgifter inomden tekniska tjänsten är bland annat att hantera driftstörningar som inträffar på materiel och hantera uppföljningar av dessa inträffade fel. Syftet med den här uppsatsen är att undersöka två olika uppföljningssystem för driftstörningar, ett system från armén och ett system från flygvapnet. Utifråndetta diskuteras systemen ur olika synvinklar med fokus på bland annat fördelar och nackdelar. Under bakgrundsbeskrivningen av de olika systemen visade det sig att ARGUS och DA-flyg följer upp i två olika riktningar vid driftstörningar.

Denna rapport har för avsikt att utreda tekniska lösningar och programmeringsspråk som kan varalämpliga att använda vid utveckling av ett administrationsverktyg som ska användas över internet. Dehuvudsakliga kraven för verktyget är säkerhet och tillförlitlighet.Huvudsakligt fokus ligger på två programmeringsspråk, Java och Erlang. Deras virtuella maskiner,syntax, standardbibliotek samt feltolerans år några av aspekter som presenteras. Därutöver har olikalösningar för kryptering, minneshantering, nätverkstopologier samt olika sätt att kommunicera i parallella system granskats. Baserat på denna studie har två system implementerats, ett system i Java och ett iErlang.

Denna uppsats handlar om formella metoder i samband med systemutveckling. Formella metoder används främst vid utveckling av kritiska system, men de kan även tillämpas i vanlig systemutveckling. Ny teknik utvecklas ständigt och system blir alltmer komplexa och detta medför i sin tur högre krav på systemutvecklaren. Många systemutvecklingsprojekt misslyckas och en bidragande orsak har varit bristfällig analys och framtagande av kravspecifikationer. Att tillämpa formella metoder i systemutveckling medför många fördelar.

In this study, company reconstructions and the financing of current accounts hereof are analysed from a perspective of insolvency law. The purpose with a company reconstruction is to maintain the operations of the company despite the insolvency of the mandator. In contrast to bankruptcy proceedings the person liable for payment stays in charge of the operations. However, this person is not allowed to sign for new loans, issue pledges of security for these loans or in any other way enter new obligations without the approval from the temporary company reconstructor. Besides providing for a successful reconstruction the reconstructor also has to consider the interests of creditors, especially to maintain the preferential order of the creditor's claims, keeping them unchanged in case of a formal bankruptcy.

According to the EC fuel regulations 2 % bio fuel has to be blended in all fuel by the year 2005, and 5.75 % by the year 2010, which means ethanol for gasoline driven vehicles, so there will be a substantial demand for ethanol. Brazil already has an established industry for producing ethanol and is the leading producer and exporter of fuel ethanol. My purpose with this paper is to investigate why Brazil decided to develop ethanol production on a large-scale operation and to find out today?s situation. Focus will mainly be on ethanol production with sugarcane as a feedstock.

This report will show the energy usage of Hotel Princess in Sandviken, Sweden. When the hotel changed owner an examination of the hotels heating, ventilation and sanitary systems were done. The report showed flaws in the ventilation system, and is why the new owner wanted a closer look at the energy use of the hotel. The original building was built in the 1930s and two major extensions have been built, one in the 1950s and the most recent in the 1980s. An assumption made is that the building parts were built to the restrictions during the time. Activities on the hotel include sleep over, conference, night club, massage and swimming in the hotels pool section.

The purpose of this study was to investigate the reason behind thedecision by a company regarding the desire to use mobile access to theirERP-system and to discover whether this will involve any loss offunctionally in comparison to using the ERP-system on a computer atthe office. In addition, the pros and cons involved in using mobiledevices for accessing the ERP-system will also be examined. Semistructured telephone interviews were conducted with companies whicheither used or did not use mobile devices in relation to their work. Atelephone interview was also conducted with a consultant who isworking with the implementation of ERP-systems and mobile solutions.The survey showed that companies with staff working in the field assellers, service personnel and construction workers want to gain directaccess to their ERP-system so as to be able to act directly and takedecisions, to have the ability to provide more efficient order processingand to send out invoices more quickly. Those companies which have notopted to use mobile devices at work within this field are those whichare unsure of the connection to the Internet and the capacities availablewithin cellphones.

Designmönster har under senare år blivit ett allt mer vanligt förekommande begrepp inom objektorienterad systemutveckling. Designmönster har nämligen visat sig kunna höja abstraktionsnivån vid designbeslut, vilket dels leder till en effektivisering av denna process, men även minskar risken att fel begås då de döljer viss komplexitet. Designmönster har främst setts som ett sätt att återanvända gamla designlösningar, som har visat sig vara bra i vissa återkommande problemsituationer. En positiv effekt av att dessa används har också varit att ett gemensamt språk i termer av designmönster har skapats. I detta projekt har dock designmönster studerats utifrån aspekten att använda dessa för att förbättra dokumentationen av objektorienterade programvarusystem.

The aim of this thesis is to define digital library, and to investigate a relation between the construction of a digital library and user needs. The main questions to be answered are: 1 What criteria was used when constructing a digital library, particularly concerning issues like purpose, function, design, supply, services, resources and future development of the digital library? 2 How do the digital library system designers and system builders criteria correspond with those of postgraduate researchers? And what factors affect the use? A digital library is an enterprise that gives access to information stored digitally and directly available on the net. The crucial is that the enterprise has a control over collection of information and responsibility to make it available to a defined group of users. In order to investigate the relation between the construction of the digital library and user needs, I have interviewed five key people involved with the work with the digital library and twenty postgraduate researchers from the Gothenburg University.

The purpose of this thesis is to identify the factors that drive efficiency and effectiveness in technical development projects performed at A?F?s department of product development. In addition to identifying and analyzing these factors, the thesis also analyzes what needs to be taken in to account in order to implement a measurement system that is able to both monitor and control the identified factors.The thesis has been performed in a qualitative manner. It is based on interviews with people from several different technological companies, within different lines of business, all of which are customers to A?F?s department of product development.The results show that there are seven critical factors for project efficiency and effectiveness.

The purpose of this thesis is to identify the factors that drive efficiency and effectiveness in technical development projects performed at A?F?s department of product development. In addition to identifying and analyzing these factors, the thesis also analyzes what needs to be taken in to account in order to implement a measurement system that is able to both monitor and control the identified factors.The thesis has been performed in a qualitative manner. It is based on interviews with people from several different technological companies, within different lines of business, all of which are customers to A?F?s department of product development.The results show that there are seven critical factors for project efficiency and effectiveness.

This is a heuristic evaluation of Umeå university library?s Online Public Access Catalog (OPAC). It makes use of four of Nielsen?s ten heuristics, flexibility and efficiency to use, match between the system and real world, visibility of system status, and aesthetic and minimalist design. The evaluation was done by having 3 evaluators inspect the interface individually, as per Nielsen?s (1990) recommendation of 3-5 evaluators.

Problemet med hantering av fel vid informationsutbyte mellan system hos stora företag med komplex IT-arkitektur är bakgrunden till varför denna rapport har skrivits. Det primära företaget i denna studie har varit Sandvik AB.Typiska fel som kan uppstå i sådana sammanhang är så kallade logiska fel. Definitionen av ett logiskt fel är ett fel som påverkar processens funktionalitet vid utbyte av information mellan två eller flera system. Exempel på sådana fel är att ett visst system behöver en viss speciell information eller har vissa regler uppsatta för att kunna ta emot information från ett annat system. När det hänvisas till tekniska fel, så avses fel som kan uppstå i den tekniska infrastukturen.Problemet med logiska fel finner man mest i distribuerade system och i SOA-arkitektur där det finns en anledning till detta på grund av dess uppbyggnad och lösa kopplingar mellan system.

Omfattningen av vad som loggas i ett system idag är varierande, de flesta har någon form av loggning av oönskade händelser. Vi inriktar oss på olika metoder för att applicera auditing så det går att spåra hela händelseförlopp. Vi undersöker vilka vitala delar en auditlogg ska innehålla, utifrån SANS policy för auditing. Vi designar och implementerar ett ramverk för auditing och väljer ut en säker digitalsigneringsmetod för loggad data. Slutligen verifierar vi implementation och signeringsmetod..

The aim of this project was to look into ten small sewer systems in the municipality of Laholm, in Sweden, in order to work out common assessment grounds for them. The sizes of the systems for purification of wastewater were within the range of 25 to 2000 population equivalents. Our method was to study literature, the laws and regulations applicable and the files at the municipality. The conclusion is that every sewer system is different and every situation is unique. We concluded that based on laws and assessment grounds sewer systems equal in size and pollution load ought to have similar demands attached to them.