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Sökning: WFRF:(Ryden Lars) > Konferensbidrag

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  • Olsson, Per-Ola, et al. (författare)
  • Unbroken Digital Data Flow In The Built Environment Process : A Case Study In Sweden
  • 2019
  • Ingår i: Int. Arch. Photogramm. Remote Sens. Spatial Inf. Sci., XLII-2/W13. ; XLII-2/W13, s. 1347-1352
  • Konferensbidrag (refereegranskat)abstract
    • An unbroken digital data flow would save substantial resources in the built environment process. In this study, which is part of a larger Swedish project, data delivery specifications and methods to integrate BIM and geodata are developed and tested with the aim to facilitate such an unbroken data flow. The main focus areas of the study are: (1) specifications that enables building permission applications based on BIM data to automate the building permission process, (2) reuse of as-built BIM models to update geodata when a building is constructed and (3) a national Swedish CityGML ADE for buildings. The study shows that building permission applications can be partly automated even though the delivery specifications were in the early stages of development at the time of a performed test case. With fully implemented delivery specifications more regulations can be checked. Furthermore, the study demonstrates how a BIM model can be georeferenced with a standard deviation of the transformation of 3 cm compared to field measurements performed with a total station. The georeferenced BIM model can then be converted to a LOD2 geodata building model to update existing geodata. Finally, a proposal for a national Swedish CityGML ADE for buildings is presented.
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  • Rydén, Lars (författare)
  • Is Local Energy Supply a Main Road to Sustainability?
  • 2015
  • Ingår i: Sustainable Development, Knowledge Society And Smart Future Manufacturing Technologies. - Cham : Springer International Publishing. - 9783319148830 ; , s. 19-31
  • Konferensbidrag (refereegranskat)abstract
    • The use of local energy production as a strategy to improve energy safety, control costs and mitigate climate change is reviewed. Local energy is in practice equivalent to renewable energy. There are a large number of different sources of local energy production. Some of them, including solar electricity, energy efficient building and biogas production, are in rapid technical development. The use of local energy is estimated to be around 50 % in Sweden. A number of cases, mostly from Sweden and Europe, where local energy has been a strong and important policy are described. Networks of municipalities which work for local energy autonomy are found all over the world and some of them are reviewed. Typically a strong policy for local energy production creates substantial numbers of job opportunities and thus contributes to the local economy, provides social and environmental benefits, improves energy security, and reduces emissions of greenhouse gases.
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  • Rydén, Lars (författare)
  • Technological Development and Lifestyle Changes
  • 2015
  • Ingår i: Sustainable Development, Knowledge Society And Smart Future Manufacturing Technologies. - Cham : Springer International Publishing. - 9783319148830 ; , s. 113-124
  • Konferensbidrag (refereegranskat)abstract
    • The debate on technology and life style most often raises the question if one or the other is necessary/sufficient for sustainable development. In this paper I intend to demonstrate that interactions between them is more complex, arguing that technological development leads to life style changes, and vice versa that life style changes fosters new ways to use technology. Five different areas are described to illustrate this. Population growth has decreased in developed countries because of economic growth, improved health care, better education, and family planning tools all of which may be seen as part of technological development; it has led to a completely new family life with fewer children and decreasing population growth. In developed urban areas we see a reduced car use among a younger generation as public transport is improving; ICT offers new possibilities to meet without moving, also reducing travelling. Sharing music and films on the Internet is part of the life of younger generation; also many other forms of sharing resources rather than owning them can be pointed out. Finally working life is dramatically influenced by new technologies as increased automation is expected to lead to reduced working hours, while the private time may be influenced by raising interest for urban agriculture. Most life style changes discussed seem to be beneficial for sustainability.
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  • Resultat 1-6 av 6

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