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Visar resultat 1 - 5 av 24 avhandlingar som matchar ovanstående sökkriterier.

  1. 1. An interactive health technology solution for encouraging physical activity : a first model based on a user perspective

    Författare :Anna Åkerberg; Maria Lindén; Anne Söderlund; Maria Hagströmer; Mälardalens högskola; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; physical activity; user perspective; user; technology; encourage; behavior change; application; smartphone; fysisk aktivitet; användarperspektiv; användare; teknik; uppmuntra; beteendeförändring; applikation; smartphone; Care Sciences; vårdvetenskap;

    Sammanfattning : Globally, the level of physical inactivity is increasing. The overall aim of this thesis was to develop and test a first model of an interactive health technology solution (called App&Move) that should encourage physically inactive adults to be more physically active. LÄS MER

  3. 2. High resolution laser doppler imaging for microvascular blood flow measurements

    Författare :Maria Lindén; Linköpings universitet; []
    Nyckelord :MEDICINE; MEDICIN;

    Sammanfattning : Techniques for functional assessment of blood flow dynamics in individual microvessels are likely to become tools of increasing importance, for example in the evaluation of new vasoactive drugs. Laser Doppler perfusion Imaging (LDI) is a non- contact method for visualization of spatial and temporal blood flow dynamics. LÄS MER

  4. 3. Electromyogram Signal Enhancement and Upper-Limb Myoelectric Pattern Recognition

    Författare :Sara Abbaspour; Maria Lindén; Christian Antfolk; Mälardalens högskola; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; elektronik; Electronics;

    Sammanfattning : Losing a limb causes difficulties in our daily life. To regain the ability to live an independent life, artificial limbs have been developed. Hand prostheses belong to a group of artificial limbs that can be controlled by the user through the activity of the remnant muscles above the amputation. LÄS MER

  5. 4. Proposing Combined Approaches to Remove ECG Artifacts from Surface EMG Signals

    Författare :Sara Abbaspour; Maria Lindén; Urban Wiklund; Mälardalens högskola; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY;

    Sammanfattning : Electromyography (EMG) is a tool routinely used for a variety of applications in a very large breadth of disciplines. However, this signal is inevitably contaminated by various artifacts originated from different sources. LÄS MER

  7. 5. Real-time signal processing in MEMS sensor-based motion analysis systems

    Författare :Jiaying Du; Maria Lindén; Helena Grip; Mälardalens högskola; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; elektronik; Electronics;

    Sammanfattning : This PhD thesis focuses on real-time signal processing for hardware-limited micro-electro-mechanical system (MEMS) sensor-based human motion analysis systems. The aim of the thesis is to improve the signal quality of MEMS gyroscopes and accelerometers by minimizing the effects of signal errors, considering the hardware limitations and the users' perception. LÄS MER