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Actuator fault diagnosis of singular delayed LPV systems with inexact measured parameters via PI unknown input observer

Author
Hassanabadi, A.; Shafiee, M.; Puig, V.
Type of activity
Journal article
Journal
IET control theory and applications
Date of publication
2017-08-11
Volume
11
Number
12
First page
1894
Last page
1903
DOI
https://doi.org/10.1049/iet-cta.2016.1304 Open in new window
Repository
http://hdl.handle.net/2117/115923 Open in new window
URL
http://ieeexplore.ieee.org/document/7982992/ Open in new window
Abstract
In this study, actuator fault diagnosis of singular delayed linear parameter varying (SDLPV) systems is considered. The considered system has a time-varying state delay and its matrices are dependent on some parameters that are measurable online. It is assumed that the measured parameters are inexact due to the existence of noise in real situations. The system with inexact measured parameters is converted to an uncertain system. Actuator fault diagnosis is carried out based on fault size estimat...
Citation
Hassanabadi, A., Shafiee, M., Puig, V. Actuator fault diagnosis of singular delayed LPV systems with inexact measured parameters via PI unknown input observer. "IET control theory and applications", 11 Agost 2017, vol. 11, núm. 12, p. 1894-1903.
Keywords
Actuators, fault diagnosis, linear parameter varying systems, observers, optimisation
Group of research
CS2AC-UPC - Supervision, Safety and Automatic Control
SAC - Advanced Control Systems

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