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Communication Dans Un Congrès Année : 2017

Unbiased observer synthesis using dynamic output allocation for discrete-time linear plants with redundant sensors

Résumé

The problem of output redundancy in discrete-time linear plants is addressed, wherein the presence of redundant sensors is motivated by unknown bias or faults affecting the measurement equation. In this context, we focus on the design of a nonlinear estimation procedure consisting in a bias estimator together with a linear Luenberger structure augmented with an adaptive weighted pseudo-inverse combination of the available measurements. It is shown that the proposed scheme is characterized by higher performances compared to the classical compensation of the observer output injection using the estimated bias. Simulation results are given to illustrate the potential behind the proposed solution.
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Dates et versions

hal-01700158 , version 1 (17-02-2018)

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Andrea Cristofaro, Luca Zaccarian. Unbiased observer synthesis using dynamic output allocation for discrete-time linear plants with redundant sensors. 2017 IEEE 56th Annual Conference on Decision and Control (CDC), Dec 2017, Melbourne, Australia. ⟨10.1109/CDC.2017.8263902⟩. ⟨hal-01700158⟩
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