Trade-offs on fault estimation via proportional multiple-integral and multiple-resonant observers for discrete-time systems
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Mostrar el registro completo del ítemcomunitat-uji-handle:10234/9
comunitat-uji-handle2:10234/7034
comunitat-uji-handle3:10234/8619
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Título
Trade-offs on fault estimation via proportional multiple-integral and multiple-resonant observers for discrete-time systemsFecha de publicación
2019-03Editor
Institution of Engineering and TechnologyCita bibliográfica
SALES-SETIEN, Ester; PEÑARROCHA, Ignacio. Trade-Offs on Fault Estimation via Proportional Multiple-integral and Multiple-resonant Observers for Discrete-time Systems. IET Control Theory & Applications, 2019, 13.5: 659 – 671Tipo de documento
info:eu-repo/semantics/articleVersión de la editorial
https://digital-library.theiet.org/content/journals/10.1049/iet-cta.2018.5201Versión
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Resumen
The authors develop a fault estimation strategy which is based on a novel proportional multiple-integral (PMI) and multiple-resonant observer. This observer is an extension of the well-known PMI observer and it is ... [+]
The authors develop a fault estimation strategy which is based on a novel proportional multiple-integral (PMI) and multiple-resonant observer. This observer is an extension of the well-known PMI observer and it is able to estimate from low to high-frequency fault signals. The proposed estimation strategy is applied to discrete-time systems which are affected by faults and stochastic noises. We present a multi-objective design strategy of the observer that fixes the trade-offs between practical engineering parameters regarding the noise attenuation and the ability to track each kind of fault dynamics considered by the augmented observer. They study the influence of the order of the observer on the steady-state and transient performance of the estimation of different types of faults. Finally, a numerical example is given to illustrate the effectiveness of the proposed observer, design and characterisation. [-]
Proyecto de investigación
Spanish Ministry of Education, Culture and Sports (FPU14/01592) ; Spanish Ministry of Economy, Industry and Competitiveness (EC2015-69155-R) ; Universitat Jaume I (P11B2015-42).Derechos de acceso
© 2019 The Institution of Engineering and Technology
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