A sampled-data observer is proposed for linear continuous-time systems whose outputs are sequentially sampled via non-uniform sampling intervals repeating a prescribed Round-Robin sequence. With constant sampling intervals (jitter-free case) we provide constructive necessary and sufficient conditions for the design of an asymptotic continuous–discrete observer whose estimation error is input-to-state stable (ISS) from process disturbances and measurement noise. We use a time-varying gain depending on the elapsed time since the last measurement. With non-constant sampling intervals (jitter-tolerant case), our design conditions are only sufficient. A suspension system example shows the effectiveness of the proposed approach.

State observer with Round-Robin aperiodic sampled measurements with jitter / Sferlazza, A.; Tarbouriech, S.; Zaccarian, L.. - In: AUTOMATICA. - ISSN 0005-1098. - 129:(2021), p. 109573. [10.1016/j.automatica.2021.109573]

State observer with Round-Robin aperiodic sampled measurements with jitter

Sferlazza A.;Tarbouriech S.;Zaccarian L.
2021-01-01

Abstract

A sampled-data observer is proposed for linear continuous-time systems whose outputs are sequentially sampled via non-uniform sampling intervals repeating a prescribed Round-Robin sequence. With constant sampling intervals (jitter-free case) we provide constructive necessary and sufficient conditions for the design of an asymptotic continuous–discrete observer whose estimation error is input-to-state stable (ISS) from process disturbances and measurement noise. We use a time-varying gain depending on the elapsed time since the last measurement. With non-constant sampling intervals (jitter-tolerant case), our design conditions are only sufficient. A suspension system example shows the effectiveness of the proposed approach.
2021
Sferlazza, A.; Tarbouriech, S.; Zaccarian, L.
State observer with Round-Robin aperiodic sampled measurements with jitter / Sferlazza, A.; Tarbouriech, S.; Zaccarian, L.. - In: AUTOMATICA. - ISSN 0005-1098. - 129:(2021), p. 109573. [10.1016/j.automatica.2021.109573]
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11572/336224
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