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Computing The Ideal Racing Line Using Optimal Control
Linköping University, Department of Electrical Engineering.
2008 (English)Independent thesis Advanced level (professional degree), 20 credits / 30 HE creditsStudent thesis
Abstract [en]

In racing, it is useful to analyze vehicle performance and driving strategies to achieve the best result possible in competitions. This is often done by simulations and test driving.

In this thesis optimal control is used to examine how a racing car should be driven to minimize the lap time. This is achieved by calculating the optimal racing line at various tracks. The tracks can have arbitrary layout and consist of corners with non-constant radius. The road can have variable width. A four wheel vehicle model with lateral and longitudinal weight transfer is used.

To increase the performance of the optimization algorithm, a set of additional techniques are used. The most important one is to divide tracks into smaller overlapping segments and find the optimal line for each segment independently. This turned out to be useful when the track is long.

The optimal racing line is found for various tracks and cars. The solutions have several similarities to real driving techniques. The result is presented as driving instructions in Racer, a car simulator.

Place, publisher, year, edition, pages
Institutionen för systemteknik , 2008. , 72 p.
Keyword [en]
Optimal control, Racing, Car tuning
National Category
Control Engineering
Identifiers
URN: urn:nbn:se:liu:diva-11544ISRN: LiTH-ISY-EX--08/4074--SEOAI: oai:DiVA.org:liu-11544DiVA: diva2:17976
Presentation
2008-03-07, Systemet, B-huset, Linköping, 13:15 (English)
Uppsok
teknik
Supervisors
Examiners
Available from: 2008-04-30 Created: 2008-04-30Bibliographically approved

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Department of Electrical Engineering
Control Engineering

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CiteExportLink to record
Permanent link

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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