Sökning: "large disturbances"

Visar resultat 21 - 25 av 269 avhandlingar innehållade orden large disturbances.

1. 21. Insomnia symptoms in elderly persons - assessment, associated factors and non-pharmacological nursing interventions

   Författare :Amanda Hellström; Institutionen för hälsovetenskaper; []
   Nyckelord :MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; Care environment; Elderly; Everyday activities; Evidence; Insomnia; Leisure activities; Nursing interventions; Sleep disturbances.;

   Sammanfattning : The aim of this thesis was to test a tool for assessing insomnia symptoms in elderly persons and to investigate late-life insomnia in terms of associated factors and evidence of non-pharmacological interventions in healthcare settings. Data were collected by means of a systematic literature search (Study I), questionnaires (Studies II-III), interviews and observations (Study IV). LÄS MER

3. 22. Stability of power systems with large amounts of distributed generation

   Författare :Valerijs Knazkins; Lennart Söder; Ian A. Hiskens; KTH; []
   Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Electrical engineering; engineering; electronics and electrical engineering; system science; Elektroteknik; Electrical engineering; Elektroteknik;

   Sammanfattning : This four-part dissertation is essentially concerned with some theoretical aspects of the stability studies of power systems with large penetration levels of distributed generation. In particular, in Parts I and II the main emphasis is placed upon the transient rotor angle and voltage stability. LÄS MER

4. 23. Falls in people with dementia

   Författare :Staffan Eriksson; Lillemor Lundin-Olsson; Yngve Gustafson; Lars Gustafson; Umeå universitet; []
   Nyckelord :MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; Dementia; behavioural disturbances; accidental falls; risk factors; circumstances; analysis of fall predictors; male sex; walking difficulties; visual perception; Geriatrics and medical gerontology; Geriatrik och medicinsk gerontologi;

   Sammanfattning : Falls and concomitant injuries are common problems among large groups of the elderly population, leading to immobility and mortality. These problems are even more pronounced among people suffering from dementia. This thesis targets fall risk factors for people with dementia in institutions. LÄS MER

5. 24. On the Transformation of Maintenance Organisations in Digitalised Manufacturing

   Författare :Jon Bokrantz; Chalmers tekniska högskola; []
   Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; scenario planning; digitalisation; production disturbances; manufacturing; OEE; maintenance; production;

   Sammanfattning : The key to ensuring competitiveness in the future of manufacturing is digitalisation. This has been unanimously recognised by all the world’s largest economies, which is spurring global efforts that will lead to the realisation of digitalised manufacturing: the next manufacturing era that will see a seamless convergence of the virtual and physical world. LÄS MER

7. 25. Coordination of Heavy-Duty Vehicle Platooning

   Författare :Sebastian van de Hoef; Dimos V. Dimarogonas; Simona Sacone; KTH; []
   Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; road freight transport; optimization; optimal control; automatic control; fuel-efficiency; match-making; off-board; intelligent transport systems; automated driving; clustering; scheduling; cooperative; large-scale; dynamic programming; trucks; Electrical Engineering; Elektro- och systemteknik;

   Sammanfattning : A network-wide coordination system for heavy-duty vehicle platooning with the purpose of reducing fuel consumption is developed. Road freight is by far the dominating mode for overland transport with over 60 % modal share in the OECD countries and is thus critically important for the economy. LÄS MER