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Piecewise Linear Road Grade Estimation
KTH, Skolan för elektro- och systemteknik (EES), Reglerteknik. KTH, Skolan för elektro- och systemteknik (EES), Centra, ACCESS Linnaeus Centre.
KTH, Skolan för elektro- och systemteknik (EES), Reglerteknik. KTH, Skolan för elektro- och systemteknik (EES), Centra, ACCESS Linnaeus Centre.ORCID-id: 0000-0001-9940-5929
2011 (engelsk)Inngår i: SAE 2011 World Congress and Exhibition, SAE international , 2011Konferansepaper, Publicerat paper (Fagfellevurdert)
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.

sted, utgiver, år, opplag, sider
SAE international , 2011.
Emneord [en]
Heavy duty vehicles, Linear segments, Piecewise affines, Piecewise linear, Road design, Road grades, Road section, Root mean square errors
HSV kategori
Identifikatorer
URN: urn:nbn:se:kth:diva-89661DOI: 10.4271/2011-01-1039Scopus ID: 2-s2.0-79959812764OAI: oai:DiVA.org:kth-89661DiVA, id: diva2:503216
Konferanse
SAE 2011 World Congress and Exhibition; Detroit, MI; United States; 12 April 2011 through 12 April 2011
Merknad

QC 20120215

Tilgjengelig fra: 2012-02-15 Laget: 2012-02-15 Sist oppdatert: 2014-08-25bibliografisk kontrollert

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