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Fusion of OBD and GNSS Measurements of Speed
Univ Oxford, England.
Linköping University, Department of Electrical Engineering, Automatic Control. Linköping University, Faculty of Science & Engineering.
KTH Royal Inst Technol, Sweden.
KTH Royal Inst Technol, Sweden.
2018 (English)In: IEEE Transactions on Instrumentation and Measurement, ISSN 0018-9456, E-ISSN 1557-9662, Vol. 67, no 7, p. 1659-1667Article in journal (Refereed) Published
Abstract [en]

There are two primary sources of sensor measurements for driver behavior profiling within insurance telematics and fleet management. The first is the on-board diagnostics system, typically found within most modern cars. The second is the global navigation satellite system, whose associated receivers commonly are embedded into smartphones or off-the-shelf telematics devices. In this paper, we present maximum likelihood and maximum a posteriori estimators for the problem of fusing speed measurements from these two sources to jointly estimate a vehicles speed and the scale factor of the wheel speed sensors. In addition, we analyze the performance of the estimators by use of the Cramer-Rao bound, and discuss the estimation of model parameters describing measurement errors and vehicle dynamics. Last, simulations and real-world data are used to show that the proposed estimators yield a substantial performance gain compared to when employing only one of the two measurement sources.

Place, publisher, year, edition, pages
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC , 2018. Vol. 67, no 7, p. 1659-1667
Keywords [en]
Driver behavior profiling; fleet management; global navigation satellite system (GNSS); insurance telematics; on-board diagnostics (OBD)
National Category
Signal Processing
Identifiers
URN: urn:nbn:se:liu:diva-149343DOI: 10.1109/TIM.2018.2803998ISI: 000434457600016OAI: oai:DiVA.org:liu-149343DiVA, id: diva2:1229836
Available from: 2018-07-02 Created: 2018-07-02 Last updated: 2018-07-02

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CiteExportLink to record
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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