The paper addresses networked estimation of the state of a nonlinear dynamical system. It is shown how, exploiting a suitable consensus approach wherein prior and novel information are dealt with in a separate way along with the extended Kalman filter linearization paradigm, the resulting distributed nonlinear filter guarantees local stability under minimal requirements of network connectivity and system collective observability. A simulation case-study concerning target tracking with a network of nonlinear (angle and range) position sensors is worked out in order to show the effectiveness of the considered consensus filter.
Stability of consensus extended Kalman filtering for distributed state estimation / G. Battistelli; L. Chisci. - (2014), pp. 5520-5525. (Intervento presentato al convegno 19th IFAC World Congress tenutosi a Cape Town, South Africa) [10.3182/20140824-6-ZA-1003.01993].
Stability of consensus extended Kalman filtering for distributed state estimation
BATTISTELLI, GIORGIO;CHISCI, LUIGI
2014
Abstract
The paper addresses networked estimation of the state of a nonlinear dynamical system. It is shown how, exploiting a suitable consensus approach wherein prior and novel information are dealt with in a separate way along with the extended Kalman filter linearization paradigm, the resulting distributed nonlinear filter guarantees local stability under minimal requirements of network connectivity and system collective observability. A simulation case-study concerning target tracking with a network of nonlinear (angle and range) position sensors is worked out in order to show the effectiveness of the considered consensus filter.File | Dimensione | Formato | |
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