NDLI: A robust disturbance decoupling approach to fault detection in process systems

Content Provider	IEEE Xplore Digital Library
Author	Patton, R.J. Chen, J. Miller, J.H.P.
Copyright Year	1991
Description	Author affiliation: Dept. of Electron., York Univ., Heslington, UK (Patton, R.J.; Chen, J.)
Abstract	The authors describe a robust scheme for use in the role of fault detection in sensors and actuators of process systems. The fault detection scheme is designed to be insensitive to disturbances, while being sensitive to faults. The authors present the robust fault detection approach based on eigenstructure assignment in the discrete-time domain. By assigning the left eigenvectors of the observer orthogonal to the disturbance, robust (disturbance decoupling) fault detection is achievable. The approach has been applied to an 11th-order nuclear reactor system. A reduced-order model is used to approximate this system and modeling errors are considered as disturbances acting on the reduced-order model contained in the observer. The work involves the development and use of a method for estimating the disturbance direction. The robust fault detection scheme design uses this direction as that of the direction of unknown input acting on a fourth-order model. Simulation results show that the scheme can detect soft or incipient faults efficiently.<>
Starting Page	1543
Ending Page	1548
File Size	436870
Page Count	6
File Format	PDF
ISBN	0780304500
DOI	10.1109/CDC.1991.261662
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1991-12-11
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Robustness Fault detection Reduced order systems Transducers Signal processing Redundancy Costs Uncertainty Sensor phenomena and characterization Sensor systems
Content Type	Text
Resource Type	Article

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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