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Angular Velocity Estimation for Sensorless Brushless DC Motors

In the automotive industry today, safety is of highest priority. ASIL is a safety standard that quantifies risk. This project investigates how a redundant speed estimate in a sensorless BLDC motor can be developed to meet ASIL B requirements. The proposed solution involves tracking the shape of the phase curve to determine the angular velocity. This is accomplished by changing the boundaries on th

Production of recombinant NS2B-NS3 in E. coli and inhibition studies

The recent 2019 COVID pandemic elucidated the tremendous effects a viral outbreak can have on the societies of the world with almost 7 million cumulative deaths worldwide. It is therefore of high importance to prepare preventative measures to aid the handling of emerging viral threats before a new pandemic is realized. One of the more prevalent and rapidly spreading viruses today are the Dengue vi

Spår från barndomen En studie om unga vuxnas anknytning och betydelsen av närvarande fäder

Denna studie har som mål att undersöka anknytningsmönster hos unga vuxna i relation till närvaron av fäder. För att skapa en förståelse för hur fäders närvaro under barndomen påverkar anknytningen genomfördes en enkät konstruerad specifikt för studiens ändamål. Totalt deltog 152 personer i åldern 18 till 35 år. Enkäten bestod av två huvuddelar; den första delen inkluderade 12 skattningsfrågor som This study aims to examine young adults' attachment patterns in relation to the presence of fathers. In order to create an understanding of how a father's presence during childhood affects young adults' attachment, a survey was constructed for the purpose of the survey. The survey had 152 participants who were between 18 and 35 years old. The questionnaire consisted of two main parts;

MotionCanvas: Generative Motion-Driven Interactive Art Experience

We introduce MotionCanvas, a spatial art creation tool that integrates Generative AI and motion capture technologies into artistic interactive experiences. Existing interactive platforms provide engaging environments and allow users to interact through touch or gestures. However, they are often limited by predefined interactive content and gestures, lacking the ability to respond to user movements

Digital nudging in air travel: An exploration of its impact on passenger sustainable behaviours

The aviation industry contributes to greenhouse gas emissions, demanding the adoption of sustainable practices. Digital nudging, described as the use of design elements in user interfaces to guide decision-making, can encourage sustainability in aviation. This research aims to explore the perceptions and responses of passengers towards digital nudges aimed at promoting sustainable behaviour in air

Understanding the Complexities of Urban Flood Governance: A Case Study of Ruiru, Kenya

Urban flooding presents a significant challenge in developing cities, where rapid urbanisation, population growth, and infrastructure development intersect with natural processes and climate change. This study examines how governance structures influence urban flood management in Ruiru, Kenya. Through thematic analysis, this study explores local experiences with flooding, evaluates existing govern

Revisionsbyråer i trotsålder

Examensarbetets titel: Revisionsbyråer i trotsåldern – en analys av revisorsbranschens reaktion på de sänkta kvalifikationskraven Seminariedatum: 30 maj 2024 Ämne/kurs: FEKH69, Examensarbete i redovisning på kandidatnivå, 15 hp Författare: Adam Petersson, Alexander Hauptmann, Sara Forghani Eklund Handledare: Alexander Hedlund Fem nyckelord: Auktoriserad revisor, revisionsbyråer, förändringsprocess

The Role of Community-Based Organizations (CBOs) in the Transition to Circular Economy: The Case of Monteverde, Costa Rica

This research investigates the role of Community-Based Organizations (CBOs) in the transition to a circular economy (CE) in the Monteverde region of Costa Rica. The study utilizes the Multi-Level Perspective (MLP) framework to identify the dynamic interactions between different levels (regime, landscape, and niche) in facilitating sustainability transitions from a linear economy to a circular econ

Rethinking Human Rights for Transgender Athletes. A Policy Analysis of Transgender Eligibility Regulations in Competitive Sport

The number of openly outed trans individuals in society and in sport is increasing and can be expected to keep growing. The sporting domain is singled out as special in terms of trans rights, as it is solely based on physical characteristics. Trans people in sport have become a subject of heated debates. However, the field of human rights has so far neglected the topic. Analysing 16 transgender el

Dimensioneringen av överbyggnader med PMS Objekt respektive ERAPAVE PP

En vägöverbygganad består av olika materiallager med specifika funktioner som tillsammans underlättar uppfyllande av krav på säkerhet, beständighet och livslängd. Dimensioneringen av överbyggnader är en process som syftar till att bestämma lämpliga och tillräckliga tjocklekar på ingående materiallager. Denna process äger rum med hjälp av dimensioneringsprogram bland annat ERAPAVE PP (Elastic RespoA road superstructure consists of different material layers with specific functions that together facilitate the fulfilment of requirements for safety, durability and service life. The design of superstructures is a process that aims to determine suitable and sufficient thicknesses of included material layers. This process takes place with help of dimensioning programs including ERAPAVE PP (Elasti

Testing Measures for Degree of PIT-ness in PD models

This thesis explores the Point-in-Time (PIT) in probability of default (PD) models, focusing on evaluating the degree of PIT-ness. Unlike previous studies that developed new measures for PIT characteristics, this research compares existing measures and frameworks to identify unique challenges and opportunities. By analyzing and testing existing measures for 1-year PD models, the study offers new i

The effects of different anonymity regimes on liquidity at Nasdaq Nordic Exchanges

The purpose of this paper is to investigate the effect of various post-trade anonymity regimes on the liquidity of the Stockholm, Helsinki, and Copenhagen exchanges in 2014, 2019, 2020, and 2022. The theoretical perspectives used for this paper include information asymmetry, adverse selection, informational value of broker codes, trader dynamics under anonymity, order anticipation, and market make

Spheres of Influence: Exploring the impact of different ownership structures on the cost of debt

Title: Spheres of Influence - Exploring the impact of different ownership structures on the cost of debt. Purpose: The purpose of this study is to investigate whether sphere ownership influences the cost of debt for Swedish firms, and if the effect can be explained by different types of sphere ownership, such as family, institutional, or bank-affiliated spheres. Methodology: To investigate the r

Att bedöma arbetsminne hos barn med typisk utveckling - En explorativ studie

Det saknas tester som mäter hur arbetsminnets kapacitet varierar hos barn med typisk utveckling. Studien avser att undersöka arbetsminneskapaciteten genom modifiering av två befintliga arbetsminnestester, crosslinguistic nonword repetition test (CL-NWRT) och sifferrepetition “running”. Tidigare har testerna visat på takeffekt hos barn med typisk utveckling. För att komma ifrån takeffekten behöver Current working memory assessments lack sensitivity to individual differences in children with typical development. This study aimed to investigate working memory capacity by modifying two existing working memory tasks: the crosslinguistic nonword repetition test (CL-NWRT) and the digit span task "running". Previous research has demonstrated a ceiling effect in the results of these asses

The Relations Between Perceived Stress, Psychological Resilience and Social Media Addiction Among European Young Adults

This study explored the relationship between perceived stress, psychological resilience, and social media addiction among European young adults. It is motivated by the need to understand how social media affects mental health and development during important life stage. Our study sample consisted of 223 participants aged 18-25 from various regions across Europe. We found significant positive relat

Preliminary Design for a Mobile Ammonia Genset for Use with Electric Mining Excavators

Given global temperatures are expected to rise past the Paris Agreement’s 2°C limit, Liebherr Mining aims to develop products that progress their Zero Emission Mining strategy. This project therefore selected the major components required by a mobile ammonia-fuelled genset under certain operating conditions and assessed the proposed design against existing solutions. The project was built on find

Interaction Shifting Identity: The Dynamic Identity Construction of Chinese Women through the Pursuit of Thinness on Social Media

This thesis investigates the interaction of the "thinness is beauty" concept on Chinese women's social media, the rise of anti-body anxiety content, and their effects on female identity formation and consumer behavior, focusing on fast fashion brands and Red. It aims to explore the factors reinforcing narrow beauty standards, analyze changes due to anti-body anxiety content, and exam

Luft, vatten och saltvattens inverkan på asfalt över tid

Denna studie åsyftar att utreda hur saltlösning påverkar vanliga slitlager i kontrast till hur luft samt vatten påverkar slitlager. Slitlagerna representerades av asfalttyperna asfaltbetong, dränerande (ABD11 70/100) vilken är en dränerande beläggning samt asfaltbetong, stenrik (ABS11 70/100) som är en tät beläggning. ABD och ABS användes i experimentet eftersom ABD har en högre hålrumshalt än ABSThis study aims to investigate how salt solution affects typical road wear courses in contrast to how air and water affect road surfaces. The wear layers are represented by the asphalt concrete Porous Asphalt (PA or ABD11 70/100) which is a draining road surface and Stone Mastic Asphalt (SMA or ABS11 70/100) which is a dense road surface. PA and SMA were used as contrasts to use in the experiment

Evaluating Reverse Logistics and Second Life Applications of End-of-Life Electric Vehicle Batteries in Kenya

The rapid growth of the global electric vehicle (EV) market has led to an increased focus on the lifecycle management of electric vehicle batteries (EVBs), particularly concerning their end-of-life (EoL) handling. The thesis explores and evaluates the implementation of reverse logistics (RL) setups for EoL EVBs of electric motorcycles in Kenya, a market that is observing an increasing EV sector bu

Simulation of Screening ECG data for Training of ML-based AF Detectors

Simulerad patientdata och AI för förbättrad upptäckt av förmaksflimmer År 2030 förväntas upp emot 17 miljoner människor i Europa lida av förmaks-flimmer, en sjukdom med mycket allvarliga konsekvenser. Denna studie utforskar användningen av simulering och maskininlärning för att effektivisera diagnostiseringen, och därigenom potentiellt förebygga uppemot 20% av alla strokes. I Sverige uppskattas Atrial fibrillation (AF) is an arrhythmia distinguished by irregular heartbeats, which has seen a significant rise in prevalence globally. Due to the risk of strokes, the condition necessitates early detection and intervention to prevent severe complications, highlighting the critical role of early and precise detection techniques. To effectively train and validate machine learning (ML) models, ha