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IMM estimator versus optimal estimator for hybrid systems

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3 Author(s)
Bar-Shalom, Y. ; Dept. of Electr. & Comput. Eng., Connecticut Univ., Storrs, CT, USA ; Challa, S. ; Blom, H.A.P.

The special feature of the interacting multiple model (TMM) estimator that distinguishes it from other suboptimal multiple model (MM) estimators is the "mixing/interaction" between its "mode-matched" base state filtering modules at the beginning of each cycle. This note shows that the same feature is exactly what it has in common with the optimal estimator for hybrid (MM) systems and this can be seen as the main reason for its success.

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Aerospace and Electronic Systems, IEEE Transactions on  (Volume:41 ,  Issue: 3 )