Tracking of vehicle motion on highways and urban roads using a nonlinear observer

Abstract : This paper focuses on the development and use of a nonlinear observer for tracking of vehicle motion trajectories while using a radar or laser sensor. Previous results on vehicle tracking have typically used an interacting multiple model filter that needs different models for different modes of vehicle motion. This paper uses a single nonlinear vehicle model that can be used for all modes of vehicle motion. Previous nonlinear observer design results from literature do not work for the nonlinear system under consideration due to the wide range of operating conditions that need to be accommodated. Hence, a new nonlinear observer design technique that utilizes better bounds on the coupled nonlinear functions in the dynamics is developed. The exponential stability of the observer is established using Lyapunov techniques. The observer design with the developed technique is then implemented in both simulations and experiments. Experimental results show that the observer can simultaneously and accurately estimate longitudinal position, lateral position, velocity and orientation variables for the vehicle from radar measurements. Results are presented both for tracking of vehicle maneuvers on highways and of maneuvers on urban roads at traffic intersections where turns and significant changes in vehicle orientation can occur.
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https://hal.archives-ouvertes.fr/hal-02054179
Contributor : Ali Zemouche <>
Submitted on : Friday, March 1, 2019 - 4:52:39 PM
Last modification on : Wednesday, April 17, 2019 - 2:39:28 PM

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Woongsun Jeon, Ali Zemouche, Rajesh Rajamani. Tracking of vehicle motion on highways and urban roads using a nonlinear observer. IEEE/ASME Transactions on Mechatronics, Institute of Electrical and Electronics Engineers, 2019, 24 (2), pp.644-655. ⟨10.1109/TMECH.2019.2892700⟩. ⟨hal-02054179⟩

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