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Piecewise Linear Road Grade Estimation
KTH, School of Electrical Engineering (EES), Automatic Control. KTH, School of Electrical Engineering (EES), Centres, ACCESS Linnaeus Centre.
KTH, School of Electrical Engineering (EES), Automatic Control. KTH, School of Electrical Engineering (EES), Centres, ACCESS Linnaeus Centre.ORCID iD: 0000-0001-9940-5929
2011 (English)In: SAE 2011 World Congress and Exhibition, SAE international , 2011Conference paper, Published paper (Refereed)
Abstract [en]

Emerging heavy duty vehicle control systems increasingly rely on advance knowledge of the road topography, described by the longitudinal road grade. Highway road grade profiles are restricted by road design specifications to be piecewise affine. This characteristic is used herein to derive a method for road grade estimation based on standard on-vehicle sensors and optimal piecewise linear estimation through dynamic programming. The proposed method is demonstrated with on-road experiments. It is able to represent the road grade profile for two studied 15 km road sections, by 20 linear segments for each, with a root mean square error between 0.42 % and 0.55 % grade.

Place, publisher, year, edition, pages
SAE international , 2011.
Keyword [en]
Heavy duty vehicles, Linear segments, Piecewise affines, Piecewise linear, Road design, Road grades, Road section, Root mean square errors
National Category
Control Engineering
Identifiers
URN: urn:nbn:se:kth:diva-89661DOI: 10.4271/2011-01-1039Scopus ID: 2-s2.0-79959812764OAI: oai:DiVA.org:kth-89661DiVA: diva2:503216
Conference
SAE 2011 World Congress and Exhibition; Detroit, MI; United States; 12 April 2011 through 12 April 2011
Note

QC 20120215

Available from: 2012-02-15 Created: 2012-02-15 Last updated: 2014-08-25Bibliographically approved

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Johansson, Karl Henrik

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CiteExportLink to record
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Citation style
  • apa
  • harvard1
  • ieee
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Language
  • de-DE
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  • Other locale
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Output format
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