Concurrent systems are becoming increasingly common in spite of their complexity. Therefore, a multitude of computational models and tools for modeling and developing such systems have emerged. Ptolemy II is an environment for modeling, simulation and design of large concurrent real-time systems which is mainly centered on addressing heterogeneous systems. Ptolemy II which is developed at CHESS in the Department of Electrical Engineering and Computer Sciences of the University of California, is a system-level design environment that provides the possibility of blending different versions of Models of Computation (MoCs) in one hierarchical heterogeneous model. Modelica is a non-proprietary, object-oriented, equation based language aimed at modeling complex multi-domain physical systems. This language is also supported by a number of free and commercial tools, in particular by OpenModelica, an open source compiler and tool suite.This thesis work concerns the integration of OpenModelica into the multi-paradigm environment of Ptolemy II. The integration of OpenModelica and Ptolemy II allows the simulation of non-causal models in Modelica by the OpenModelica Compiler and simulator within the Ptolemy II environment where models communicate with different versions of MoCs with the aim of addressing the heterogeneous design as well.

Denna rapport beskriver det examensarbete som genomförts av Christoffer Hardmo och Erik Dellby. Examensarbetets syfte var att utveckla en nerskalad användbar version av KompetensUtvecklingsInstitutets nuvarande elevhanteringsprogram. Rapporten kommer beskriva hur vi lagt upp jobbet för att få en användbar applikation för KUI att använda. Vår slutsats är att arbeta mot användbarhet är en väldigt viktig punkt när det gäller utveckling av produkter i alla miljöer. Arbetet har gett oss en bra erfarenhet hur man jobbar ihop med kunden för att få en bra produkt.

Arbetet gick ut på att designa och programmera en prototypmobiltelefonmodul till HandyBlue, ett omgivningskontrollsystem för personer med funktionshinder. Rapporten går igenom de olika momenten i modulens utveckling som marknadsundersökning, expertintervjuer, design och implementation och fältester. Programmet fick bra betyg i fälttester och ansågs av samtliga testare som lättanvänt och intuitivt. Slutsatsen är att  genom att hålla målgruppens önskemål i fokus och låta tänkta användare vara delaktiga i utvecklingen i ett tidigt skede, blir slutresultatet en modul som väl uppfyller de krav som ställts på den.

The work was carried out on Termisk Systemteknisk’s office in Linköping. The aim was to create a computer system with infrared camera technology for quality control and temperature monitoring of manufacturing processes in industry. The system should be configurable such that it can be used on several different issues, including those where the real-time analysis of camera images is required. The developed system is based on an existing framework, Panola, to deal with measurement results and images in a database. The framework is built for the system continually check for new data , and the task was to create a foundation upon which to build systems that use the framework, but fully or partially utilize direct calls . To get up to speed on the system to the desired level e.g. for real time analysis. The need emerged when one wanted to use the system with other machines in the factory, to some extent, regulated from the result of infrared camera analysis. The result was an analysis module which was directly connected to an existing camera module. Analysis module stores the results of image analysis in the database through Panola. A separate module compiles the analytical results and presents them in a user interface.

Precis som titeln avslöjar handlar rapporten om att utveckla ett system som kan användas vid utvärdering av övningsmoment. Idag saknas ett liknande system som vara ett stöd för hemvärnets instruktörer vid utvärderingar som har till syfte att öka förståelsen hos övande personal. Systemet består av en mobilapplikation och en webbapplikation. Mobilapplikationen loggar hur en soldat har framryckt under ett övningsmoment och sedan sammanställs data från en eller flera mobilapplikationer i en webbapplikation där data visas på en interaktiv karta. Kartan ger möjlighet att stega sig igenom händelseförloppet. Ett fungerande system utvecklades och nästan samtliga krav kunde uppfyllas. Tester visade att tekniken fungerade och några ytterligare utvecklingsmöjligheter identifierades.

This bachelor thesis will explore how two traffic shaping mechanisms can help preserve battery power while retaining a certain Quality of Service (QoS) in an Android based application developed for crisis management. The implemented user-space mechanisms will delay all elastic data requests in order to reduce the number of times the 3G transmission radio enters high power states. This lowers the QoS but extends the user equipment's battery life. The thesis will show that a shaping mechanism has the capability to reduce radio energy usage by up to 50% for the given Android application at the cost of added transmission delays by up to 134 seconds for background traffic. The study also presents two policies that help the application adapt to the current battery level and lower the QoS accordingly, namely one that has a lenient savings effect and one that has an aggressive savings effect.

In this Master's project increasing the performance of object detection inforestry environment, based on the extracted features is studied. There areseveral object detection projects for robots which are based on feature cal-culation and extraction. An example of these kinds of projects is the sugarbeet project [3] that has inspired the feature selection and calculations partspresented in this report. Extracted feature sets are given to several classiersand their results are merged and fused such that the overall performance ofthe forestry object detection increases. Furthermore dierent supervised andunsupervised methods of dimensionality reduction are applied on the featureset as an approach to improve classication accuracy. Comparison betweenthe output classication performance of dimensionality reduction methodsshow that applying supervised methods result in improving the classicationperformance by about 12 percent.

The rapid growth of the mobile consumer market has influenced companies to make their workplace digital and mobile, with the goal to remove ties to a physical workplace, increase productivity, and trivialize tedious tasks. The construction industry is in need of modernization; it is a competitive market and to get a contract it is vital to provide a reasonable price quote fast.This bachelor thesis was performed together with Byggwalle AB in Västerås with the objective to create a mobile solution for price quotes, based on an earlier experimental prototype. This thesis will look at how the manual price quote creation process can be sped up and made more transparent to build up trust between the companies and the customers. It will also look at the choices made when developing a mobile application for the construction industry, how to make it flexible enough to fit different kinds of businesses, and look at how the data is administrated using a web based administration system. The result of this thesis is a promotional prototype, which sped up the delivery of price quotes from 3 weeks to 3 hours, and will be distributed to selected companies for further testing in the near future. We hope that this product can change the way business is done in construction industry.

In the era of smartphones and millions of apps just a few taps away, the effort required to retain the users in a particular app is increasing. Gamification is a relatively new tool to increase user engagement and is used in a wide range of apps belonging to categories far away from traditional games. Game mechanics, like achievements and leaderboards, belongs to the fundamentals of gamification. This master thesis examines how some of these game mechanics affect user retention. A custom made app game was implemented as an experiment to measure the effects of different game mechanics during a couple of months. The results indicate that game mechanics does affect some types of user retention but also that it might have no or negative impact of other types. In the end, the purpose of the app might play a central role in the decision making of picking the "right" mechanic. This demonstrates the importance of knowledge about game mechanics and their effects.

The focus of this thesis is to analyze cryptographic protocol and algorithm usage based on three different data sets where the largest set contains one million websites. Ciphers, algorithms and different versions of cryptographic protocols are described and discussed. Some of the common attacks that make the ciphers or protocols obsolete are also presented and explained. In order to obtain the data sets and analyze them, a web crawler and a prober program were developed. The results from the analysis show that more popular websites have better security compared to the not so popular ones. The results also show that many broken and insecure ciphers and protocols are still very popular today. The thesis discusses the use of old software as a potential reason for why so many websites support weak protocols and ciphers.