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- Title
FAULT ESTIMATION FOR TIME-VARYING SYSTEMS WITH ROUND-ROBIN PROTOCOL.
- Authors
HAIJING FU; HONGLI DONG; JINBO SONG; NAN HOU; GONGFA LI
- Abstract
This paper is concerned with the design problem of finite-horizon H1 fault estimator for a class of nonlinear time-varying systems with Round{Robin protocol scheduling. The faults are assumed to occur in a random way governed by a Bernoulli distributed white sequence. The communication between the sensor nodes and fault estimators is implemented via a shared network. In order to prevent the data from collisions, a Round-Robin protocol is utilized to orchestrate the transmission of sensor nodes. By means of the stochastic analysis technique and the completing squares method, a necessary and sufficient condition is established for the existence of fault estimator ensuring that the estimation error dynamics satisfies the prescribed H1 constraint. The time-varying parameters of fault estimator are obtained by recursively solving a set of coupled backward Riccati difference equations. A simulation example is given to demonstrate the effectiveness of the proposed design scheme of the fault estimator.
- Subjects
TIME-varying systems; DIFFERENCE equations; RICCATI equation; NONLINEAR systems; STOCHASTIC analysis; DIFFERENCE sets
- Publication
Kybernetika, 2020, Vol 56, Issue 1, p107
- ISSN
0023-5954
- Publication type
Article
- DOI
10.14736/kyb-2020-1-0107