Estimation of sideslip angle and cornering stiffness of an articulated vehicle using a constrained lateral dynamics model

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In this paper, a constrained lateral dynamics model of articulated vehicles and an algorithm for estimating sideslip angle and cornering stiffness are proposed. The articulated vehicle was modeled using the bicycle model, linear tire model, and modified Dug-off model. The normal force of each axle included in the model was estimated based on the longitudinal load transfer model. Physical constraints were applied to reduce model states. Accurate sideslip angle and cornering stiffness are essential for vehicle control safety and autonomous driving performance. The sideslip angle and cornering stiffness were simultaneously estimated using a dual linear time-varying (LTV) Kalman filter. The observability matrix guaranteed the convergence of the proposed estimation algorithm. The estimation performance was verified by simulation with TruckSim and an experiment using an articulated bus.
Publisher
PERGAMON-ELSEVIER SCIENCE LTD
Issue Date
2022-08
Language
English
Article Type
Article
Citation

MECHATRONICS, v.85

ISSN
0957-4158
DOI
10.1016/j.mechatronics.2022.102810
URI
http://hdl.handle.net/10203/296817
Appears in Collection
ME-Journal Papers(저널논문)
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