Search for dissertations about: "I Rosén"

Showing result 1 - 5 of 85 swedish dissertations containing the words I Rosén.

  2. 1. A Comparative Investigation of Gear Performance BetweenWrought and Sintered Powder Metallurgical Steel : Utilizing In-situ Surface Profile Measurements to Investigate theInitiation and Evolution of Micropitting and Pitting Damage

    Author : Edwin Bergstedt; Ulf Olofsson; Bengt-Göran Rosén; KTH; []
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Gear testing; Micropitting; Pitting; Efficiency; Surface transformation; Kugghjulstestning; Micropitting; Pitting; Effektivitetsmätning; Yttransformationer; Machine Design; Maskinkonstruktion;

    Abstract : Vehicle electrification is a strong trend that introduces new challenges, such as increased input speed of the transmission and increased power density. Alsothe noise emittance of the gearbox is of increasing importance, as the sound of the gearbox is no longer masked by the internal combustion engine. READ MORE

  4. 2. A study of multilevel models with block circular  symmetric covariance structures

    Author : Yuli Liang; Tatjana von Rosen; Dietrich von Rosen; Abdullah Almasri; Stockholms universitet; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; Block circular symmetry; Covariance matrix; Explicit solution; Maximum likelihood estimator; Multilevel model; Spectrum; statistik; Statistics; Matematik;

    Abstract : This thesis concerns the study of multilevel models with specific patterned covariance structures and addresses the issues of maximum likelihoodestimation. In particular, circular symmetric hierarchical datastructures are considered. READ MORE

  5. 3. Acoustic Platform for MXene Synthesis and Electrochemical Behaviour of i-MXenes in Aqueous Electrolytes

    Author : Ahmed El Ghazaly; Johanna Rosén; Ahmed Etman; Husam N. Alshareef; Linköpings universitet; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; Surface Acoustic Waves; MXene; i-MXene; Supercapacitor;

    Abstract : Climate Change is believed to be the greatest global challenge and on its forefront is the topic of energy. While being of extreme importance, debates over energy have become a normality. READ MORE

  6. 4. Patients' experiences of symptoms, discomfort and their impact on daily living following day surgery

    Author : Helena Rosén; Högskolan i Skövde; []
    Keywords : MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; Medical sciences; Medicin;

    Abstract : The frequency of day surgery continues to increase worldwide. However, knowledge of the patients experiences of symptoms and discomfort beyond the first 72 hours postoperatively remains almost nonexistent.  The overall aim of this study was to describe patients' experiences of symptoms and discomforts and their impact on daily living. READ MORE

  7. 5. What did you expect? : A human-centered approach to investigating and reducing the social robot expectation gap

    Author : Julia Rosén; Jessica Lindblom; Erik Billing; Maurice Lamb; Christian Balkenius; Iolanda Leite; Högskolan i Skövde; []
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; HUMANIORA; HUMANITIES; NATURVETENSKAP; NATURAL SCIENCES; NATURVETENSKAP; NATURAL SCIENCES; Interaction Lab ILAB ; Interaction Lab ILAB ;

    Abstract : We live in a complex world where we proactively plan and execute various behaviors by forming expectations in real time. Expectations are beliefs regarding the future state of affairs and they play an integral part of our perception, attention, and behavior. READ MORE