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Fault detection and estimation based on full order unknown input Hamiltonian observers | IEEE Conference Publication | IEEE Xplore

Fault detection and estimation based on full order unknown input Hamiltonian observers


Abstract:

This paper deals with a novel diagnosis framework for robust fault detection and estimation purposes by combining an ordinary Unknown Input Observer (UIO) with the port-H...Show More

Abstract:

This paper deals with a novel diagnosis framework for robust fault detection and estimation purposes by combining an ordinary Unknown Input Observer (UIO) with the port-Hamiltonian formalism. Based on energy aspect, the full order Unknown Input Hamiltonian Observer (UIHO) design scheme guarantees robust residual generation through decoupling the disturbances effects from the fault ones. The fault estimation is, then, allowed by an algebraic transformation taking into account co-energy variables. Finally, simulation tests on ladder networks illustrate the effectiveness of the theoretical development.
Date of Conference: 16-19 March 2015
Date Added to IEEE Xplore: 07 December 2015
Electronic ISBN:978-1-4799-1758-7
Conference Location: Mahdia, Tunisia

References

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