Distributed fault estimation of nonlinear dynamical systems over sensor networks: a non-fragile approach
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| Pubblicato in: | Robotic Intelligence and Automation vol. 44, no. 6 (2024), p. 761 |
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Emerald Group Publishing Limited
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| Accesso online: | Citation/Abstract Full Text Full Text - PDF |
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| Abstract: | Purpose The purpose of this paper is to investigate the fault estimation issue of nonlinear dynamical systems via distributed sensor networks. Furthermore, based on the communication topology of sensor networks, the nonfragile design strategy considering the gain fluctuation is also adopted for distributed fault estimators. Design/methodology/approach By means of intensive dynamical model transformation, sufficient conditions with disturbance attenuation performance are established to design desired fault estimator gains with the help of convex optimization. Findings A novel distributed fault estimation framework for a class of nonlinear dynamical systems is established over a set of distributed sensor networks, where sampled data of sensor nodes via local information exchanges can be used for more efficiency. Originality/value The proposed distributed fault estimator gain fluctuations are taken into account for the nonfragile strategy, such that the distributed fault estimators are more applicable for practical sensor networks implementations. In addition, an illustrative example with simulation results are provided to validate the effectiveness and applicableness of the developed distributed fault estimation technique. |
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| ISSN: | 2754-6969 2754-6977 0144-5154 1758-4078 |
| DOI: | 10.1108/RIA-03-2023-0026 |
| Fonte: | ABI/INFORM Global |