Sökning: "hovering"

Visar resultat 6 - 10 av 20 avhandlingar innehållade ordet hovering.

1. 6. Fuzzy Control for an Unmanned Helicopter

   Författare :Bourhane Kadmiry; Dimiter Driankov; Linköpings universitet; []
   Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Helicopter; Robust control; Fuzzy gain scheduling; Gradient descent method; Computer science; Datavetenskap;

   Sammanfattning : The overall objective of the Wallenberg Laboratory for Information Technology and Autonomous Systems (WITAS) at Linköping University is the development of an intelligent command and control system, containing vision sensors, which supports the operation of a unmanned air vehicle (UAV) in both semi- and full-autonomy modes. One of the UAV platforms of choice is the APID-MK3 unmanned helicopter, by Scandicraft Systems AB. LÄS MER

3. 7. The processing of natural images in the visual system

   Författare :Olga Dyakova; Karin Nordström; Dan Larhammar; Eric Warrant; Uppsala universitet; []
   Nyckelord :MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; natural scenes; image statistics; hoverflies; optomotor response; cSIFE neuron; sleep deprivation;

   Sammanfattning : Any image can be described in terms of its statistics (i.e. quantitative parameters calculated from the image, for example RMS-contrast, the skewness of image brightness distribution, and slope constant of an average amplitude spectrum). LÄS MER

4. 8. Transition towards autonomy and psychological empowerment in self-management, among teenagers with type 1 diabetes

   Författare :Agneta Karlsson; Lena Haglund; Maria Arman; Carina Berterö; Linköpings universitet; []
   Nyckelord :MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; transition; life world; phenomenology; qualitative content analysis; psychological empowerment; teenage diabetes; adolescence.; Caring sciences; Vårdvetenskap;

   Sammanfattning : The general aim of this thesis was to study the transition process from dependency towards anatomy and psychological empowerment among teenagers with type 1 diabetes. Thirty-two teenagers (18 female/14 male) aged 13-17 took part in conversational interviews. The interviews followed a semi-structured question guide. LÄS MER

5. 9. Living with serious chronic illness from the perspective of people with serious chronic illness, close relatives and district nurses

   Författare :Marja Öhman; Luleå tekniska universitet; []
   Nyckelord :MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; Nursing; Omvårdnad;

   Sammanfattning : The overall aim of this licentiate thesis is to elucidate the meaning of experiences of serious chronic illness as narrated by people with such illness (n=10), close relatives (n=14) and district nurses (DN) (n=10), that is from an insider viewpoint. Data was collected through narrative interviews that were analysed using a phenomenological hermeneutic interpretation. LÄS MER

7. 10. Some results on closed-loop identification of quadcopters

   Författare :Du Ho; Martin Enqvist; Gustaf Hendeby; Alexander Medvedev; Linköpings universitet; []
   Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY;

   Sammanfattning : In recent years, the quadcopter has become a popular platform both in research activities and in industrial development. Its success is due to its increased performance and capabilities, where modeling and control synthesis play essential roles. LÄS MER