Tire Lateral Force Estimation Using Kalman Filter

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As for the tire analysis, lateral tire force is a fundamental factor that describes the stability of vehicle handling. Attempts to analyze the vehicle stability have been made based on various objective test methods and some specific factors such as yaw, lateral acceleration and roll angle. However, the problem to identify which axle is lack of the tire grip at a certain situation still remains. Since indoor tire force measurement system cannot represent a real road and vehicle conditions, tire force measurement through a real vehicle test is inevitable. Due to the high price of the tire force measurement device, tire force estimator can be an alternative toward cost reduction and device failure. In this paper, nonlinear planar full car model combined with tire model is proposed. Then, using discrete-time extended Kalman-Bucy filter (EKBF), individual tire lateral force are estimated with modified relaxation length model.
Publisher
KOREAN SOC AUTOMOTIVE ENGINEERS-KSAE
Issue Date
2018-08
Language
English
Article Type
Article
Citation

INTERNATIONAL JOURNAL OF AUTOMOTIVE TECHNOLOGY, v.19, no.4, pp.669 - 676

ISSN
1229-9138
DOI
10.1007/s12239-018-0064-6
URI
http://hdl.handle.net/10203/244269
Appears in Collection
ME-Journal Papers(저널논문)
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