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A tool for optimized layout of flat cable harnesses for future on-board cabling systems in cars
Linköping University, Department of Computer and Information Science.
2004 (English)Independent thesis Basic level (professional degree), 20 credits / 30 HE creditsStudent thesis
Abstract [en]

Current cabling systems in cars are about to be, completely or partially, replaced by a cabling technology called flexible flat cables, FFCs. This new technology requires tools that can assist engineers in the design process of the cable layouts. The aim of this thesis is to develop a software demonstrator of a concept tool for this purpose.

The task is divided into three problem areas. Topology modeling, optimization and visualization. An editor is to be implemented which handles creation and modification of topologies which represents FFC harnesses. The optimization is performed using global and local routing. The global routing handles optimization on topology level, defining net paths in the topology. Local routing handles the exact net placement on each bus cable. Finally, the local routing solutions should be graphically presented to the user.

The topology modeling requirement was implemented as a graph layouteditor. Global routing is performed using graph search techniques and local routing is based on VLSI channel routing methods. Visualization is implemented for the local routing solutions using the SVG format.

The developed application handles most of the requirements. The editor has support for an XML netlist which is used for specifying connectors and nets used in the topology. Global routing and local routing can be performed on the topology. Prerouting of nets can be performed on both global and local level. Support for assigning specific cables, from a library, to bus cables is possible.

Place, publisher, year, edition, pages
Institutionen för datavetenskap , 2004. , 67 p.
Keyword [en]
Datalogi, Channel routing, Flexible Flat Cables, Optimization, Topology modeling, Visualization
Keyword [sv]
Datalogi
National Category
Computer Science
Identifiers
URN: urn:nbn:se:liu:diva-2325ISRN: LITH-IDA-EX--04/027--SEOAI: oai:DiVA.org:liu-2325DiVA: diva2:19656
Uppsok
Technology
Available from: 2004-06-08 Created: 2004-06-08 Last updated: 2011-03-14

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Department of Computer and Information Science
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CiteExportLink to record
Permanent link

Direct link
Cite
Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • oxford
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
  • rtf