Tire Radii Estimation Using a Marginalized Particle Filter

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2014-04-01

Author

Lundquist, Christian
Karlsson, Rickard
Özkan, Emre
Gustafsson, Fredrik

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In this paper, the measurements of individual wheel speeds and the absolute position from a global positioning system are used for high-precision estimation of vehicle tire radii. The radii deviation from its nominal value is modeled as a Gaussian random variable and included as noise components in a simple vehicle motion model. The novelty lies in a Bayesian approach to estimate online both the state vector and the parameters representing the process noise statistics using a marginalized particle filter (MPF). Field tests show that the absolute radius can be estimated with submillimeter accuracy. The approach is tested in accordance with regulation 64 of the United Nations Economic Commission for Europe on a large data set (22 tests, using two vehicles and 12 different tire sets), where tire deflations are successfully detected, with high robustness, i.e., no false alarms. The proposed MPF approach outperforms common Kalman-filter-based methods used for joint state and parameter estimation when compared with respect to accuracy and robustness.

Subject Keywords

Marginalized particle filter, Tire radius, Conjugate prior, Noise parameter estimation

URI

https://hdl.handle.net/11511/32896

Journal

IEEE TRANSACTIONS ON INTELLIGENT TRANSPORTATION SYSTEMS

DOI

https://doi.org/10.1109/tits.2013.2284930

Collections

Department of Electrical and Electronics Engineering, Article

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Citation Formats

C. Lundquist, R. Karlsson, E. Özkan, and F. Gustafsson, “Tire Radii Estimation Using a Marginalized Particle Filter,” IEEE TRANSACTIONS ON INTELLIGENT TRANSPORTATION SYSTEMS, pp. 663–672, 2014, Accessed: 00, 2020. [Online]. Available: https://hdl.handle.net/11511/32896.