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Journal Articles IEEE Transactions on Automatic Control Year : 2024

Analytical Bounds for an Interval Kalman Filter


This paper is concerned with analytical developments of results firstly introduced by the authors in [1]. These developments are devoted to the optimization of upper bounds of the interval covariance matrices appearing in the Interval Kalman Filter [2]. The proposed study is mainly highlighted through two aspects. Firstly, the optimization is further performed by considering a class of upper bounds and minimizing the traces of these bounds in two stages (in terms of a gain matrix and then with respect to a scalar parameter). Secondly, the paper provides conditions under which the optimal trace value is controlled and hence the proposed Algorithm in [1], namely Optimal Upper Bound Interval Kalman Filter (OUBIKF), is ensured to perform with stability (i.e. without width explosion of the resulting interval estimators). Also under these conditions, the OUBIKF Algorithm, having a similar structure of the Standard Kalman Filter (SKF), is ensured to get a smaller trace upper bound of the covariance matrices in the correction step than the one in the prediction step. Numerical simulations based on an automotive model is performed to illustrate the developed results.


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Dates and versions

hal-04070189 , version 1 (08-06-2023)



Quoc Hung Lu, Soheib Fergani, Carine Jauberthie. Analytical Bounds for an Interval Kalman Filter. IEEE Transactions on Automatic Control, In press, ⟨10.1109/TAC.2023.3268307⟩. ⟨hal-04070189⟩
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