Please use this identifier to cite or link to this item: https://doi.org/10.1109/ICCA.2009.5410522
Title: A novel UIO-based approach for fault detection and isolation in finite frequency domain
Authors: Lum, K.Y. 
Xu, J. 
Xie, L.
Loh, A.P. 
Issue Date: 2009
Source: Lum, K.Y., Xu, J., Xie, L., Loh, A.P. (2009). A novel UIO-based approach for fault detection and isolation in finite frequency domain. 2009 IEEE International Conference on Control and Automation, ICCA 2009 : 471-476. ScholarBank@NUS Repository. https://doi.org/10.1109/ICCA.2009.5410522
Abstract: This paper proposes a novel unknown input observer (UIO) design approach to detect and isolate the actuator faults in finite frequency domain. Instead of completely rejecting the disturbance or noise of traditional UIOs, we exclude certain controlled inputs from the residuals. Meanwhile, knowledge on the disturbance/noise, such as frequency and statistical characteristics, is embedded into the design to enhance the performance of fault detection and isolation. One significant advantage of our approach lies in the number of UIOs which is dramatically reduced when considering multiple faults. All the design conditions are formulated in terms of LMI or BMI problems, which enable to consider other design specifications in addition to the robustness and sensitivity requirements. ©2009 IEEE.
Source Title: 2009 IEEE International Conference on Control and Automation, ICCA 2009
URI: http://scholarbank.nus.edu.sg/handle/10635/68994
ISBN: 9781424447060
DOI: 10.1109/ICCA.2009.5410522
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